Network Security Engineer

Join CGS Federal as a Senior Lead Network Engineer II and play a pivotal role in the evaluation, enhancement, and maintenance of a large-scale network project. This project encompasses both wired and wireless network infrastructure alongside essential hardware and software.Your responsibilities will include assessing the current setup of disparate networks, designing and implementing a cohesive network infrastructure that meets both wireless and wired requirements. You will also provide consultation on hardware and software to ensure optimal support for this infrastructure, alongside conducting systems testing, vulnerability assessments, and quality assurance for the new setup.As a vital team member, you will collaborate with state and local government personnel, internal stakeholders, subject matter experts, and vendors providing development services.CGS Federal is dedicated to assembling motivated, skilled, and creative professionals to tackle the government’s most pressing challenges using innovative technology. We seek candidates passionate about contributing to government innovation, fostering collaboration, and anticipating the needs of others. Our supportive environment encourages professional growth through various learning opportunities.

CGS Federal is on the lookout for a seasoned Senior Lead Network Engineer to become an integral part of our dynamic team. This role is centered around evaluating, enhancing, and maintaining a large-scale network infrastructure project, which includes both wired and wireless elements along with associated hardware and software. The primary objectives entail assessing the current fragmented network setup and designing a cohesive infrastructure that meets all wireless, wired, and software requirements. As part of this project, you will also provide consultation on the necessary hardware and software to effectively support this comprehensive infrastructure, as well as the testing, vulnerability assessments, and quality assurance processes needed for implementation.Your collaboration will involve interfacing with state and local government personnel, internal stakeholders, subject matter experts, and vendors providing development services. At CGS, we pride ourselves on bringing together motivated, skilled, and innovative individuals to tackle the most pressing challenges faced by the government using cutting-edge technology. We encourage candidates who are enthusiastic about contributing to government innovation, value collaboration, and can proactively anticipate the needs of others. Our work environment is designed to support our employees and foster professional growth through numerous learning opportunities.

As a Network Solutions Lead at Stripe, you will play a pivotal role in shaping our network infrastructure. You will lead a team of engineers in designing, implementing, and optimizing our network solutions to enhance performance and reliability. Your expertise will guide strategic decisions and ensure our systems can scale effectively as we grow.

Senior Network Engineer Maven Securities is a premier proprietary trading firm specializing in the allocation of internal capital across discretionary, systematic, and market-making strategies. We pride ourselves on our team of expert traders, engineers, and technologists, all working together to enhance our status as a leading liquidity provider for globally listed derivatives. By leveraging cutting-edge execution and pricing technologies, we strive to redefine and improve the operational landscape of financial markets. The Maven Infrastructure team comprises diverse and innovative technologists dedicated to continuously enhancing the performance, resilience, scalability, visibility, and supportability of our computing systems. As a Senior Network Engineer on our Infrastructure team, you will gain in-depth knowledge of the data flows within Maven's trading systems. Your role will involve constructing robust network infrastructure and collaborating closely with developers, traders, and fellow infrastructure engineers to optimize system performance. Your main focus will be on enhancing our US network and datacenter infrastructure while also collaborating with our global team to maintain a strong worldwide network. Key Responsibilities: Design, configure, and maintain our global network infrastructure while collaborating across teams to optimize low-latency trading applications. Build, support, and troubleshoot a high-performance hybrid wireless and wired network environment. Utilize an automated, data-driven approach to diagnose and resolve complex network infrastructure issues such as micro-bursting, jitter, and queuing. Proactively identify enhancements to existing configurations, technologies, and procedures to boost performance. Lead and manage global network initiatives from requirements gathering through design review, implementation, deployment, and documentation. Contribute to documenting network processes, systems, and configurations. Collaborate with systems teams to build and manage datacenter infrastructure effectively. Maintain network security infrastructure to ensure perimeter protection and appropriate separation of internal environments.

The Networks team is at the forefront of designing, building, and maintaining the robust communication infrastructure that powers our high-capacity, low-latency trading and data research environments, operating around the clock. Our network spans over 25 countries and more than 100 locations worldwide. We are seeking a Senior Network Engineer who possesses extensive experience in architecting and managing large-scale environments to meet the rigorous performance and availability standards of a leading algorithmic trading firm within the global financial sector.This role demands a blend of project management acumen and deep technical expertise. Collaborating with some of the brightest minds in the industry, you will take charge of product selection, design, routing configurations, and troubleshooting. You will work closely with our Systems and Trading Operations teams, along with other departments at HRT, to construct, oversee, and monitor our low-latency trading network. Your responsibilities will be wide-ranging, allowing you the autonomy to analyze challenges and devise solutions that will have an immediate and significant impact on our global operations.We are looking for a technology enthusiast who thrives on tackling complex problems. You will engage in various projects aimed at enhancing the performance and capacity of our global trading and research platforms while contributing to both strategic initiatives and the intricate details of our network architecture.

Join our dynamic global network team as a Backbone Network Engineer, where you will play a critical role in designing, implementing, and optimizing the backbone infrastructure that supports our international trading operations. Collaborate with engineers around the globe to ensure our network consistently provides ultra-low latency, high availability, and robust security, essential for maintaining our competitive advantage in the market.Core Responsibilities:Design and enhance backbone infrastructure for high-speed, low-latency data transmission and scalability.Deploy and configure high-performance routing and optical hardware to minimize congestion and maximize availability.Create low-latency routing paths between data centers, trading venues, and counterparties.Proactively identify, troubleshoot, and resolve network issues using advanced monitoring and analytical tools.Plan and scale backbone capacity to support global growth.Collaborate with trading, development, and infrastructure teams to integrate network changes seamlessly into production.Work globally to maintain documentation, policies, and operational standards.

Role Overview inflowfed is hiring a Network Engineer in Chicago, IL. This role focuses on designing, implementing, and improving network infrastructure that supports the company’s systems. What You Will Do Design and build network solutions to support business needs Optimize existing network infrastructure for reliability and performance Work closely with teams across the company to ensure smooth connectivity Location This position is based in Chicago, IL.

IMC is on the lookout for skilled Network Engineers who are enthusiastic about designing and maintaining state-of-the-art, high-speed networks. In this role, you will collaborate closely with traders, developers, quantitative analysts, and performance engineers to architect, deploy, and uphold the critical infrastructure that supports our trading operations. Key Responsibilities: Architect, execute, and maintain the North American network infrastructure, focusing on low-latency networking, unicast and multicast routing, BGP, PIM-SM, performance optimization, gap analysis, and automation. Utilize existing tools to monitor and assess network health, while also proposing and developing next-gen monitoring solutions. Drive continuous improvements within the network environment by participating in automation initiatives (e.g., Bash, Python, Ansible, AWX). Ensure meticulous documentation of IMC’s network architecture, configurations, and operational protocols. Engage with external vendors, exchanges, and service providers to assess technological solutions, deploy new services, and resolve issues.

Job Description:We are seeking a seasoned Network Architect with over 10 years of experience. Please refrain from submitting junior profiles.The ideal candidate will possess extensive experience in routing and switching, along with foundational knowledge of load balancers, firewalls, and WLAN setups. Key responsibilities include:Configuring and installing various network devices and services including routers, switches, firewalls, load balancers, VPNs, and QoS setups.Executing network maintenance and system upgrades involving service packs, patches, hot fixes, and security configurations.Monitoring network performance to ensure system availability and reliability.Managing system resource utilization, trending, and capacity planning.Providing Level 2/3 support and troubleshooting to resolve complex issues.Adhering to established configuration and change management policies to ensure the success of network infrastructure modifications.Selecting and implementing security tools, policies, and procedures in collaboration with the company’s security team.Liaising with vendors and IT personnel for effective problem resolution.

Welcome to AdyenAt Adyen, we offer a comprehensive suite of payment, data, and financial products tailored for leading brands such as Meta, Uber, H&M, and Microsoft. Our platform stands as the preferred choice for fintech solutions, engineered for those who aspire to achieve great things.We cultivate an environment that empowers our teams to excel, fostering a culture of support that allows everyone to take charge of their career paths. Our motivated professionals tackle complex technical challenges at scale, collaborating to deliver innovative and ethical solutions that expedite business success. Position: Senior Software Engineer, Banking Network TeamThe Banking Network team is at the forefront of creating the backbone for money movement at Adyen. You will be instrumental in engineering the core infrastructure for our North American operations, designed to manage high-volume transactions with a keen focus on fault tolerance and observability. Your role will involve enhancing our direct connections to the Federal Reserve, optimizing systems for scale while simplifying the complexities of various payment protocols to provide seamless banking experiences for our merchants.

About Akuna Capital:Akuna Capital is a forward-thinking trading firm that emphasizes teamwork, advanced technology, data-driven solutions, and automation. As a premier options market-maker, we are dedicated to delivering competitive quotes for buying and selling. Our success hinges on the design and implementation of our proprietary low-latency technologies, trading strategies, and mathematical models.Founded by our partners in Sydney, Akuna opened its first office in Chicago in 2011, strategically located in the heart of the derivatives market. Today, we proudly operate additional offices in Sydney, Shanghai, London, and Singapore.Your Role as a Network Engineer III:We are on the lookout for a skilled Network Engineer III to join our dynamic IT Infrastructure team at Akuna. The ideal candidate will possess a robust background in low-latency IP networking and will be pivotal in maintaining and enhancing our global trading infrastructure. This position demands both technical expertise and independent decision-making, as you will often be the primary network resource during critical hours, ensuring the stability and efficiency of our trading systems. Self-motivation, excellent multitasking abilities, and comfort working in a high-speed electronic trading environment are essential. Candidates should hold an active CCNP certification and aspire to achieve CCIE certification in the future.

Join Akuna Capital as a Network Engineer I and play a critical role in enhancing our network infrastructure. You will collaborate with experienced engineers to design, implement, and maintain high-performance networks that support our trading operations. This entry-level position is ideal for those looking to kickstart their career in network engineering within a dynamic and innovative environment.

Join CGS Federal as a Senior Data Specialist IIEmployment Type: Full-Time, ExperiencedDepartment: eDiscoveryCGS Federal is actively searching for a highly skilled Senior Data Specialist II with profound expertise in litigation discovery processes to support the EDRM workflow for a significant Federal agency project.At CGS Federal, we unite driven, talented, and innovative individuals to tackle the most pressing challenges faced by the government using state-of-the-art technology. We are looking for candidates who are eager to contribute to government innovation, value teamwork, and can proactively address the needs of their colleagues. We pride ourselves on fostering a supportive environment where our employees can thrive and achieve professional growth through diverse learning opportunities.Key Responsibilities:- Conduct file manipulation, data loading, conversion services, database indexing, and perform quality assurance checks on data loads.- Develop, assess, and enhance methodologies and procedures for file manipulation compatible with COTS products and litigation support applications.- Ensure that incoming productions comply with the relevant ESI specifications.- Execute advanced tasks related to data export from contractor and client databases, including identifying data for export, confirming redactions and other markups, ensuring compliance with ESI specifications, and conducting quality checks on exported data.- Provide support to client attorneys, investigators, and paralegals by tracking and processing incoming documents, managing document review databases, producing documents for opposing parties in litigation, and maintaining records of produced documents. Applications include Everlaw, Relativity, and others.

Role Overview Crown Innovations Inc. is hiring a Network or Electronics Engineer in Chicago. This role focuses on designing and implementing network solutions, as well as supporting electronic systems. Collaboration with fellow engineers and stakeholders is a key part of the work. What You Will Do Design network solutions to meet business needs Implement and maintain network infrastructure Support and troubleshoot electronic systems Work closely with engineers and other stakeholders to improve systems

Jump Trading Group is at the forefront of global financial technology, dedicated to pioneering research and innovation. We cultivate exceptional talent in Mathematics, Physics, and Computer Science, empowering our team to explore scientific boundaries and apply cutting-edge research to enhance financial markets. Our unique culture fosters continuous innovation, demanding creativity, intellectual honesty, and a competitive spirit. At Jump, we thrive on collaboration and mutual respect, believing that our collective success is built on individual strengths.Our Trading Infrastructure team encompasses a global network of engineers responsible for designing, constructing, and maintaining top-tier infrastructure. Our work spans from data center design and implementation to optimizing exchange connectivity and building high-performance, low-latency Wide Area Networks. We leverage advanced research and automation to continuously refine our infrastructure, ensuring it scales effectively to support our trading and evolving business needs.As a member of our Network Infrastructure Team, you will collaborate with some of the brightest minds in the industry, tackling challenges at one of the highest-performing networks in the field. We are seeking exceptional talent to elevate our infrastructure to new heights.

Join Stanley Consultants, a prestigious global consulting engineering firm recognized for our unwavering commitment to culture, values, and ethics. Our mission is to enhance client experiences while tackling intricate challenges to build a sustainable, interconnected, and thriving world. As we navigate the evolving landscape, we embrace innovation and resilience, integrating cutting-edge technology into our operations. With a rich history spanning over a century, we have made significant contributions across the energy, federal government, transportation, and water sectors, improving lives and shaping vital infrastructure systems. As an employee-owned firm that prioritizes our people, we distinguish ourselves from other engineering consulting companies. At Stanley, your input matters, your career development is a priority, and your achievements reflect our collective success. We offer flexible work arrangements, competitive salaries, comprehensive benefits, a strong community spirit, and the opportunity to build a rewarding, long-term career.Position: Senior Drainage Engineer / Drainage LeadLocation: Chicago, ILJob Type: HybridRequisition ID: SENIO005967Are you passionate, driven, and ready to connect with clients, contractors, and subconsultants in the A/E/C industry? Do you have a strong enthusiasm for Water Resources and Transportation projects? If you value work/life balance and possess these qualities, we want you to join our team as a Senior Drainage Engineer/Drainage Lead in our Chicago office. You will contribute your engineering expertise to a diverse range of infrastructure projects, including transportation, stormwater management, and civil site design.This role presents an exciting chance to lead and guide Stanley's transportation projects, mentor junior engineers, engage with professional organizations and technical committees, and foster collaboration and growth within our Chicago office.

Join Our TeamAt Arista Networks, as a vital member of our Sales Engineering team, you will collaborate with a group of seasoned experts and technical leaders. Reporting directly to the Regional Engineering Manager, you will partner with some of the finest field engineers in the industry. Our team excels not only in understanding advanced technologies but also in recognizing their business implications, ensuring our solutions align seamlessly with our clients' broader objectives. Working closely with our Product Management and Software Development teams, you will influence product innovations, offerings, and strategic directions to effectively serve our customers and prospects. Backed by the expertise of our renowned Arista TAC, state-of-the-art proof-of-concept resources, and support from our executive team, you are poised to drive industry-leading solutions.Important Note: Candidates must reside in the metropolitan Chicago area.Your RoleArista Networks is on the lookout for a skilled Pre-Sales Network Systems Engineer who will utilize their technical prowess in mission-critical networks, routing, and switching to deliver systems engineering support that expands the Arista brand for our clients in the Financial Services and Trading sectors.Key Responsibilities:Act as a trusted technical advisor for customers and partners, gathering requirements and identifying opportunities with both existing and prospective clients.Manage the pre and post-sales technical relationship within the assigned territory and customer base.Develop and maintain comprehensive knowledge of all Arista technologies to enable strategic customer success.Conduct technical training on Arista’s products, highlighting differentiators and solutions.Engage with key partners to enhance service delivery around Arista’s solutions.Participate in executing Proof of Concepts (POCs) and customer testing on-site.Lead technical Quarterly Business Reviews with the customer base.Address on-site customer requirements effectively.Respond to customer inquiries, including conducting research and lab testing of solutions.Deliver technical content presentations to global audiences both virtually and in person.Develop technical marketing materials for the global Arista organization.Anticipate travel requirements of approximately 10%.

Join Our Team as a Network Engineer!Employment Type: Full Time, Experienced LevelDepartment: Information TechnologyCGS Federal is on the lookout for a skilled Network Engineer to enhance our team dedicated to the evaluation, improvement, and upkeep of an expansive network project. This initiative encompasses both wired and wireless network infrastructures along with associated hardware and software. The primary goal is to assess the current configuration of varied networks and to design and implement a cohesive network infrastructure that meets all wireless, wired, and software network needs. Additionally, this role involves providing insights on the necessary hardware and software to support this comprehensive infrastructure, along with conducting system testing, vulnerability assessments, and quality assurance to ensure the successful deployment of the new setup.As a Network Engineer, you will engage with state and local government officials, internal stakeholders, subject matter experts, and vendors providing development services, ensuring a collaborative approach to problem-solving.At CGS, we unite passionate, highly skilled individuals to tackle the government's most pressing challenges through innovative technology. Our mission thrives on candidates who are eager to drive government innovation, value teamwork, and can foresee the needs of others. We pride ourselves on fostering a supportive environment and promoting professional growth through a variety of learning opportunities.

Join Sonsoft Inc. as a Network Architect and play a pivotal role in designing and implementing advanced network infrastructures. You will work with cutting-edge technologies and collaborate with cross-functional teams to deliver innovative solutions that enhance connectivity and performance.