Level 3 Linux Administrator

About Five RingsFive Rings is an innovative proprietary trading firm that merges strategy, technology, and creativity to excel in the global markets. With a presence in major cities such as New York, Boca Raton, London, and Amsterdam, Five Rings engages in diverse domestic and international trading activities. Our team is dedicated to discovering new opportunities, assessing their risks and rewards, and developing strategies and tools to leverage them.We foster an open culture that promotes the exchange of knowledge and ideas across all levels of the organization.About the RoleWe are looking for a skilled Linux Systems Administrator to join our expanding systems administration team. In this hands-on role, you will be responsible for managing the workstations and servers that support our trading operations. This includes performing systems work on both desktops and in our data centers, while collaborating with users throughout the organization.As a Linux-focused environment, our operations primarily utilize Linux servers and desktops, with minimal use of Windows servers and desktops as required.

Later stands as the world's leading influencer marketing platform, empowering brands to craft unforgettable campaigns confidently. By leveraging authentic creator relationships, reliable insights, and expert support, Later eliminates uncertainty from one of marketing's most significant investments.Built on a unique AI-driven platform and over a decade’s worth of proprietary data—including billions of social interactions, impressions, and more than $2.4 billion in verified influencer-driven purchases—Later equips teams with the knowledge they need to ensure success before launching initiatives.By merging trusted insights with expert guidance, Later enables brands to select the right creators, execute fully managed campaigns, and drive substantial growth across awareness, engagement, and revenue. Trusted by major brands like Nike, Wayfair, Unilever, and Southwest Airlines, Later harmonizes creativity with performance, ensuring campaigns deliver tangible results. Discover more at later.com.About this Position:As a premier influencer marketing company powered by AI and data, Later assists brands and agencies in achieving measurable growth through our comprehensive offerings: Later Influence (influencer strategy and campaign services), Later Social (social media management), and Mavely (creator commerce).In the role of Account Executive, you will be tasked with establishing and nurturing revenue-generating relationships with mid-market and enterprise clients and agencies. This position requires a blend of consultative solution selling and extensive knowledge of the influencer and creator economy, enabling clients to harness the full potential of Later's platform and services. This role is a mix of client acquisition and partnership enhancement.

Later is a pioneering influencer marketing platform designed to empower brands with the confidence to execute exceptional campaigns. By leveraging authentic relationships with creators, reliable intelligence, and expert insights, Later eliminates uncertainty in one of marketing's most impactful investments.Built on an advanced, AI-driven platform backed by over a decade of proprietary data—spanning billions of social interactions, impressions, and more than $2.4 billion in verified influencer-driven purchases—Later equips teams with insights to forecast success before launching their campaigns.By merging reliable insights with professional guidance, Later enables brands to select the right creators, implement fully managed campaigns, and achieve substantial growth in awareness, engagement, and revenue. Trusted by prominent enterprise brands, including Nike, Wayfair, Unilever, and Southwest Airlines, Later harmonizes creativity with performance to ensure campaigns are not just visually appealing but also deliver measurable results. Learn more at later.com.About this Position:We are seeking a Senior UX Designer to join our dynamic team and spearhead the end-to-end design of critical products within our marketing and social analytics ecosystem. This position is perfect for an individual who thrives in an autonomous environment, possesses a strategic and tactical mindset, and has a profound understanding of data-rich, modular design systems. The designer will play a pivotal role in crafting scalable, intuitive, and highly functional user experiences that empower our tools utilized by brands, creators, and internal stakeholders.About UX at Later:We operate in a fast-paced environment focused on influencer marketing, social media analytics, and campaign performance measurement. Our product offerings include dashboards, reporting tools, and creator engagement platforms—all centered around data visualization, marketing insights, and social commerce trends.Key ResponsibilitiesLead the UX strategy for a core product area, translating business objectives, technical limitations, and user requirements into distinct experience principles and design direction.Collaborate with Product Management to shape roadmap priorities through user insights, usability considerations, and long-term experience strategies.Balance immediate project delivery with scalable, future-ready design choices that foster product growth and evolution.

Later stands at the forefront of influencer marketing, empowering brands to craft remarkable campaigns with confidence. By blending genuine creator partnerships, reliable insights, and professional guidance, Later eliminates uncertainty from one of marketing's most significant investments.Our platform, powered by cutting-edge AI and over a decade of exclusive data—including billions of social interactions and more than $2.4 billion in verified influencer-driven purchases—enables teams to predict success before launching campaigns.By merging trusted insights with expert support, Later transforms influencer marketing, allowing brands to select the perfect creators, execute fully-managed campaigns, and achieve substantial growth in awareness, engagement, and revenue. Trusted by industry leaders such as Nike, Wayfair, Unilever, and Southwest Airlines, Later harmonizes creativity with performance to ensure campaigns not only look great but deliver tangible results. Explore more at later.com.About the Role:The Senior Engineer will spearhead large-scale projects, implement impactful features, and uphold exceptional engineering standards. You will tackle intricate challenges, collaborate across various teams, and mentor junior engineers while continuously enhancing our codebase and cultivating a culture of technical excellence. With profound knowledge in modern software development and Agile methodologies, you will influence our approach to building, scaling, and innovating—directly affecting product velocity and engineering culture.What You’ll Do:StrategyScope, plan, and oversee the delivery of large-scale features and roadmap initiatives.Clarify and refine requirements among stakeholders in a dynamic environment.Navigate ambiguous requirements and competing interests to deliver features that exceed user expectations.Contribute to long-term architectural planning and system design.Technical / ExecutionLead technical problem-solving for complex, cross-team challenges and production issues.

Role overview Trexquant is looking for a Linux Systems Engineer to support and enhance its on-premise infrastructure in New York. The position involves direct, hands-on work with bare-metal Linux servers. Daily tasks include provisioning new hardware, managing storage resources, and working to keep systems reliable and efficient in a production environment. What you will do Set up and maintain physical Linux servers Oversee storage systems and uphold data integrity Monitor system health and implement improvements to reliability in production environments Who thrives in this role Approaches system administration with care and discipline Feels comfortable in production-critical situations Brings a strong grasp of Linux internals, automation tools, and high-performance system setups Location This role is based in New York, New York, United States, with a focus on managing on-premise, physical infrastructure.

Join the City of New York as a Lead Unix/Linux Systems Engineer, where you will play a pivotal role in managing and optimizing our Unix/Linux environments. You will collaborate with cross-functional teams to implement robust solutions that enhance system performance and security. Be part of a dynamic organization that values innovation and excellence.

Later is at the forefront of influencer marketing, empowering brands to design memorable campaigns with confidence. We leverage genuine creator relationships, reliable insights, and expert support to eliminate uncertainty from one of marketing's most significant investments.Our AI-driven platform, backed by over a decade of proprietary data—including billions of social interactions, impressions, and more than $2.4 billion in verified influencer-driven purchases—enables teams to anticipate success before launching campaigns.By merging trusted insights with professional guidance, Later streamlines the influencer marketing process, allowing brands to select ideal creators, execute comprehensive campaigns, and foster substantial growth in awareness, engagement, and revenue. Our clients include notable enterprise brands such as Nike, Wayfair, Unilever, and Southwest Airlines, demonstrating our ability to blend creativity with performance to deliver impactful results. Discover more at later.com.About the RoleLater is on the lookout for an Account Manager to serve as a trusted advisor and strategic partner for our clients. In this role, you will be responsible for the success of a portfolio of influencer marketing clients, ensuring that campaigns yield measurable ROI and deliver long-term value.Your responsibilities will encompass strategic consulting, campaign implementation, and relationship management, all aimed at helping clients achieve their marketing objectives. Internally, you will mentor Coordinators and Co-Ops during execution and act as the voice of the customer to shape Later's product and service strategies. This is a crucial position that plays a central role in enhancing our customer experience.What You’ll Be Doing:StrategyManage a portfolio of client relationships from onboarding to renewal, ensuring high levels of adoption, satisfaction, and retention.Oversee the execution of influencer marketing campaigns to guarantee they meet client expectations and objectives.

The City of New York is hiring a Senior Systems Administrator to help maintain and enhance IT infrastructure in Brooklyn. This role supports essential city operations by ensuring systems remain stable and secure. Key responsibilities Manage installation, configuration, and ongoing maintenance of servers and systems Monitor system performance and address security concerns Resolve technical problems as they occur Follow best practices to keep operations reliable and secure Location This position is based in Brooklyn, New York.

Join the City of New York as a Senior Systems Administrator and play a pivotal role in managing and optimizing our IT infrastructure. You will be responsible for ensuring the reliability, security, and performance of our systems while collaborating with other IT professionals to implement innovative solutions. This position offers the opportunity to make a significant impact in a dynamic and diverse environment.

Logic Technology, Inc. (LTI), recognized as the "Pro People" company, is a premier technology solutions provider dedicated to delivering exceptional services to organizations at local, national, and global levels. With over three decades of experience, our name has become synonymous with Leadership, Technology, and Integrity.We foster a workplace where motivated and confident employees can thrive, ensuring that our client relationships remain strong. LTI is committed to creating an engaging environment that attracts talented professionals through competitive benefits, stimulating work, and opportunities for personal growth.

Later stands as the leading influencer marketing platform, empowering brands to craft remarkable campaigns with confidence. Our unique blend of genuine creator relationships, reliable intelligence, and expert insights eliminates the uncertainties associated with one of marketing's most visible investments. Leveraging a cutting-edge, AI-driven platform and over a decade's worth of proprietary data—including billions of social interactions and $2.4 billion in verified influencer-driven sales—Later equips teams with the foresight to understand what will succeed prior to launch. By merging trusted insights with professional guidance, Later transforms influencer marketing, allowing brands to select the right creators, execute fully managed campaigns, and significantly enhance growth across awareness, engagement, and revenue. With a clientele that includes renowned enterprise brands such as Nike, Wayfair, Unilever, and Southwest Airlines, Later harmonizes creativity with performance, ensuring campaigns are not only visually appealing but also yield tangible results. Discover more at later.com.About this Position:We are in search of a highly technical and strategically astute Domain Architect to spearhead the next phase of our platform architecture. In this pivotal role, you will swiftly evaluate our current systems, identify convergence opportunities between key domains, and craft an integration strategy that fosters scalability, speed, and long-term technical prowess. You will connect product, engineering, and data to delineate clear domain boundaries, establish technical standards, and oversee the architectural modernization—ensuring a balance between innovation and business impact.This position is tailored for an experienced architect who thrives in dynamic environments, comprehends the balance between practicality and perfection, and can distill intricate technical concepts into clear, actionable strategies across teams.

About the PositionWe are in search of a dynamic leader to guide our expanding team of Linux Engineers at Jane Street.This team, comprising both managers and individual contributors, consists of dedicated Systems Engineers, Administrators, and Programmers who are responsible for maintaining and enhancing the platform that drives Jane Street's production trading systems. (Learn more about the Linux Engineer role here.)We expect our managers to lead by example. While supporting their teams, the ideal candidate will be eager to begin as an individual contributor, develop a solid grasp of Jane Street's technical landscape, and evolve into a managerial role.We value individuals who resonate with our core principles: honesty, collaboration, intellectual curiosity, humility, and a quantitative approach to decision-making and problem-solving. To excel in this role, candidates should be Linux Engineers at heart, with experience in various areas including people management, project and program management, large-scale coordination, partnership facilitation, strategic planning, and service delivery.About YouWe are looking for a Linux Engineering Manager who possesses a robust technical background and substantial leadership experience. Candidates should lead by example, balancing their individual technical contributions with their leadership responsibilities. A willingness to learn OCaml, our programming language of choice, is essential. Candidates should meet the following qualifications:Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent experience)Exceptional communication skills, capable of engaging in one-on-one meetings as well as larger group discussions, with the ability to analyze and deconstruct complex problems efficientlyA proven track record of supporting individuals and fostering team growthExperience in building and nurturing cross-company partnershipsStrong analytical and troubleshooting abilities across various dimensions (technical, process, interpersonal, etc.)In-depth understanding of operating system fundamentals, particularly LinuxProficiency with the Unix command line and shell scriptingHands-on experience with modern Linux systems and systems programming conceptsBasic understanding of network protocolsProgramming experience in any language

Later stands at the forefront of influencer marketing, empowering brands to craft unforgettable campaigns with confidence. Our unique blend of authentic creator partnerships, reliable data, and expert insights alleviates the uncertainties associated with marketing investments.Leveraging a cutting-edge, AI-driven platform enriched by over a decade of proprietary data—comprising billions of social interactions and more than $2.4 billion in verified influencer-driven purchases—Later equips teams with the intelligence to predict successful outcomes before launching campaigns.By combining valuable insights with expert assistance, Later eliminates the guesswork in influencer marketing, enabling brands to select ideal creators, execute fully managed campaigns, and foster substantial growth in awareness, engagement, and revenue. Trusted by industry leaders such as Nike, Wayfair, Unilever, and Southwest Airlines, Later merges creativity with performance, ensuring campaigns yield impressive results. Discover more at later.com.About this Position:The Affiliate Account Manager plays a pivotal role in ensuring client success and campaign excellence within our brand partnerships. Acting as the main point of contact between brands and our internal teams, you will facilitate smooth onboarding, strategic execution, and exceptional support that surpasses client expectations. By handling everything from tracking and reporting to managing paid placements and optimizing performance, you will directly influence client satisfaction and revenue growth. Your contributions will not only ensure smooth brand relationships but also provide actionable insights that shape future strategies, underscoring the value of this role.Responsibilities:StrategyWork closely with clients and internal sales teams to design and enhance campaign strategies that align with performance objectives.Deliver data-driven insights and recommendations based on performance trends and industry benchmarks.Enhance affiliate marketing initiatives by analyzing campaign results and adjusting strategies as necessary.Engage in strategic discussions with stakeholders to uncover opportunities for growth and innovation.Technical / ExecutionOversee the execution of affiliate onboarding, including commission updates, management of tracking links, and accuracy audits of brand cards.Manage end-to-end execution of paid placements, ensuring timely asset submission and seamless delivery.

Later stands at the forefront of the influencer marketing landscape, empowering brands to craft impactful campaigns with confidence. Our innovative approach is grounded in genuine creator relationships, trusted data intelligence, and expert insights, eliminating uncertainty from one of marketing's most significant investments.Fueled by an advanced, AI-driven platform and over a decade of proprietary insights—including billions of social interactions and $2.4 billion in verified influencer-driven purchases—Later equips teams with the knowledge to optimize their strategies before launch.By merging reliable insights with seasoned guidance, Later empowers brands to select the ideal creators, implement comprehensive campaigns, and achieve substantial growth in awareness, engagement, and revenue. Trusted by industry leaders such as Nike, Wayfair, Unilever, and Southwest Airlines, Later bridges the gap between creativity and performance, ensuring campaigns deliver not just aesthetic appeal but tangible results. Discover more at later.com.About the RoleLater is on the lookout for an Account Lead to spearhead strategic partnerships and deliver exceptional influencer marketing initiatives. In this pivotal role, you will take ownership of key accounts, developing integrated strategies, driving cross-functional execution, and ensuring each campaign produces measurable business outcomes.As a senior client partner and internal leader, you will supervise Account Managers and Coordinators, shape strategic direction, and serve as a trusted advisor to brands. This high-impact position blends client strategy, operational excellence, and team leadership to bolster Later’s reputation as a premier partner in the creator economy.What You’ll DoStrategyLead the creation of influencer marketing strategies that align with client goals and yield measurable ROI.Build and maintain strong relationships with key stakeholders, ensuring proactive communication and effective collaboration.

Later stands at the forefront of influencer marketing, empowering brands to craft unforgettable campaigns with confidence. By leveraging authentic creator partnerships, reliable intelligence, and expert insights, Later eliminates the uncertainty that often accompanies one of marketing's most significant investments.Our AI-driven platform, backed by over a decade of proprietary data—including billions of social interactions and more than $2.4 billion in verified influencer-driven purchases—equips teams with the knowledge they need to make informed decisions before launching their campaigns.With a focus on delivering meaningful growth in awareness, engagement, and revenue, Later collaborates with top-tier brands like Nike, Wayfair, Unilever, and Southwest Airlines, ensuring that campaigns not only resonate creatively but also yield measurable results. Discover more at later.com.About the RoleLater is on the lookout for a dynamic Influencer Marketing Coordinator to join our Influencer Marketing Services team. In this role, you will play a pivotal part in executing influencer campaigns for renowned brands, ensuring seamless operations, impactful results, and reinforcing Later’s reputation for excellence in service.This position offers a unique opportunity to deepen your knowledge in influencer marketing, gain hands-on experience with the Later Influence™ platform, and contribute to campaigns that drive tangible business outcomes. You will collaborate closely with cross-functional teams, influencers, and clients, honing your ability to balance operational excellence with strategic insight in a fast-paced, growth-oriented environment.What You’ll DoStrategyAssist in developing influencer campaign strategies, utilizing data-driven insights to recommend talent, platforms, and formats.

Later is recognized as the leading influencer marketing platform, designed to empower brands to craft unforgettable campaigns. By merging genuine creator relationships, reliable intelligence, and expert advice, Later alleviates the uncertainties often associated with one of marketing's most significant investments.Built on a sophisticated, AI-driven platform and leveraging over a decade of proprietary data—including billions of social interactions and more than $2.4 billion in verified purchases driven by influencers—Later equips teams with insights into what strategies will succeed before they even launch.By blending trusted insights with professional guidance, Later simplifies influencer marketing, enabling brands to select the right creators, implement fully managed campaigns, and achieve substantial growth in awareness, engagement, and revenue. Trusted by top enterprise brands such as Nike, Wayfair, Unilever, and Southwest Airlines, Later effectively merges creativity with performance to ensure campaigns are not only visually appealing but also result-oriented. Discover more at later.com.About this position:As a Senior Account Manager for Client Success, you will be responsible for the retention, growth, and long-term success of a portfolio of strategic clients. This revenue-critical role entails driving net revenue retention through renewals, upsells, and cross-sells, while guaranteeing that clients continuously derive significant value from Later’s offerings.You will serve as a trusted advisor to senior stakeholders, balancing strategic planning with hands-on execution. Achieving success in this role demands sharp commercial acumen, exceptional executive-level communication skills, and the ability to proactively pinpoint growth opportunities within complex client organizations.This position reports directly to the VP of Client Success and collaborates closely with Sales, Services, Product, and Finance teams to ensure clients thrive with Later over time.What you'll be doing:StrategyDevelop and maintain Mutual Success Plans for all assigned clients, aligning their business goals with measurable outcomes facilitated by Later.Identify and actively pursue expansion opportunities across products and services within your client portfolio.Create and maintain account maps that detail key stakeholders, decision-makers, influencers, and succession risks.Adopt a strategic and commercial approach to drive growth across your accounts.

Later stands at the forefront of influencer marketing, empowering brands to craft unforgettable campaigns with confidence. By leveraging authentic creator relationships, reliable insights, and expert support, Later eliminates uncertainty from one of marketing's most significant investments.Our AI-driven platform is built on over a decade of proprietary data, which includes billions of social interactions and $2.4B+ in verified purchases influenced by creators. This wealth of knowledge enables teams to anticipate successful strategies before launching campaigns.With a commitment to combining insightful analysis and expert advice, Later empowers brands to select the right creators, manage campaigns effectively, and foster substantial growth in awareness, engagement, and revenue. Trusted by leading brands such as Nike, Wayfair, Unilever, and Southwest Airlines, Later seamlessly integrates creativity with performance, ensuring campaigns not only captivate but also deliver measurable results. Discover more at later.com.Position Overview:As a Senior Paid Media Manager within Later’s Professional Services team, you will spearhead the complete paid social strategy and execution for Later Influence clients. You will manage large-scale, multi-platform campaigns, collaborating closely with program and account leaders to drive measurable performance and enhance client growth.This high-impact role is designed for a paid social expert who excels in dynamic environments, possesses strong analytical skills, and has a proven track record of transforming influencer-driven creative into successful performance metrics. Additionally, you will contribute to developing best practices in paid media, exploring new channels and tactics, and enhancing the skill set of our Services team as we expand.

Later is the leading influencer marketing platform designed to empower brands in crafting impactful campaigns with ease and confidence. By leveraging authentic creator partnerships, insightful analytics, and professional guidance, Later alleviates uncertainties from one of marketing's most crucial investments.Driven by an advanced AI-powered platform and over a decade of exclusive data—including billions of social interactions, impressions, and more than $2.4 billion in verified influencer-driven purchases—Later equips teams with the knowledge to make informed decisions prior to launching campaigns.By merging reliable insights with expert support, Later takes the guesswork out of influencer marketing, allowing brands to select ideal creators, manage comprehensive campaigns, and stimulate substantial growth in awareness, engagement, and revenue. Trusted by top enterprises such as Nike, Wayfair, Unilever, and Southwest Airlines, Later harmonizes creativity with performance, ensuring campaigns not only captivate but also deliver results. Explore more at later.com.About the RoleThe Creator Success Manager is a revenue-focused, creator-centric role aimed at expanding and retaining a portfolio of high-value creators through data-driven monetization strategies, robust relationship management, and proactive risk assessment. This role operates at the nexus of creator partnerships, revenue enhancement, and product utilization.You will be accountable for outcomes, not just relationships. Success in this role is measured by tangible revenue growth, sustained creator loyalty, and your capability to turn insights into actionable strategies that empower creators to increase their earnings and maintain long-term engagement.This is an individual contributor position with high accountability, clear revenue targets, and significant cross-functional influence. It is not a customer support or campaign execution role.What You’ll DoStrategyDevelop and own a portfolio-level growth strategy aimed at driving creator revenue, retention, and long-term value.Identify monetization opportunities, adoption gaps, and churn risks utilizing performance and revenue data.Create customized, one-on-one creator growth plans based on data, experimentation, and definitive success metrics.Proactively adjust strategies in anticipation of changes in creator behavior or performance.Technical / ExecutionConsistently achieve revenue and retention targets across your portfolio.

Salesforce Systems Administrator Hybrid Work Schedule: 3 days per week in NYC Office About Us DoubleVerify is a premier software platform that specializes in digital media measurement, analytics, and data-driven insights. Our mission is to provide unparalleled transparency and actionable insights into the effectiveness of digital advertising for the world's leading brands, publishers, and ad platforms. Since our inception in 2008, we have empowered numerous Fortune 500 companies to maximize their advertising investments through our innovative solutions, continuously enhancing the digital advertising landscape. Discover more about us at www.doubleverify.com. Your Role As a Salesforce Systems Administrator, you will play a crucial role in identifying and addressing operational inefficiencies within our Salesforce support team. Your responsibilities will include implementing configuration changes in accordance with our defined Software Development Life Cycle (SDLC), as well as engaging in clear communication and documentation with team members and stakeholders across all levels. Your focus will be on ensuring user satisfaction and effective support for all internal users of our systems. Key responsibilities include: Implementing Salesforce updates, testing new functionalities, and managing system upgrades. Building and configuring Salesforce features tailored to support team requirements. Delivering effective user-directed solutions via our Salesforce application. Ensuring user satisfaction through precise and comprehensive instructions. Proactively engaging with users to identify their needs and providing detailed proposals. Conducting user training on Salesforce features and best practices. Ensuring compliance with company security policies and regulatory standards regarding Salesforce data. Performing regular data quality checks and clean-ups within Salesforce and related systems. Collaborating with the team to identify solutions that enhance operational efficiencies across the support division.