Platform Engineer (Security) at Coast | New York

Join Relay Protocol as a Security Engineer and play a pivotal role in safeguarding our digital infrastructure. As a Security Engineer, you will be responsible for identifying vulnerabilities, implementing security measures, and ensuring the integrity of our systems. This position offers you the chance to work with cutting-edge technologies and collaborate with a dynamic team dedicated to maintaining high security standards.

Join Coast as a Security Engineer, where you'll play a critical role in safeguarding our digital infrastructure and data integrity. You will collaborate with our engineering teams to design and implement security measures, assess risks, and respond to security incidents. Your expertise will help us ensure that our systems are robust and secure against emerging threats.

At Momenti, we are pioneering a new era of content creation, transforming traditional media into immersive experiences that resonate deeply with audiences. Our focus is on interactive video that dismantles the 4th wall, fostering profound connections and emotions. Join us in redefining audience engagement and bringing moments to life in an innovative way.Job Overview:We are looking for a skilled and dedicated Security Engineer to become our inaugural security hire at Momenti, reporting directly to our Engineering Director. In this influential role, you will be charged with safeguarding the security and integrity of our systems, applications, and data. You will collaborate closely with cross-functional teams to identify vulnerabilities, formulate and implement security protocols, and provide continuous support to ensure a secure environment. This role offers a unique opportunity to make a lasting impact and help shape the security framework at Momenti.Key Responsibilities:• Design and implement robust security strategies, policies, and procedures to protect Momenti's technological assets.• Conduct ongoing security evaluations, vulnerability assessments, and risk analyses to uncover and mitigate potential security threats.• Work alongside software engineers and other team members to establish secure coding standards and practices to ensure secure software development.• Actively monitor and respond to security incidents, investigating and resolving breaches, intrusions, and unauthorized access attempts.• Keep abreast of the latest developments in security technologies, trends, and best practices, and provide actionable recommendations to enhance our security posture.• Conduct training sessions for employees to foster a culture of security awareness and best practices within the organization.

At profound, we are dedicated to empowering organizations with the insights and control they need over their AI presence. We are seeking a proactive Security Engineer to spearhead the security framework of our platform, infrastructure, and corporate environment. You will collaborate closely with our Engineering and Operations teams to establish and uphold security controls, compliance procedures, and threat mitigation strategies that safeguard customer data while facilitating our rapid expansion.This position is perfectly suited for an individual who perceives security as a catalyst for business growth, rather than an impediment, and who is passionate about constructing practical, scalable security systems from the ground up. As our inaugural dedicated security hire, you will play a pivotal role in shaping our strategies for access control, vulnerability management, compliance, and incident response as we grow.

About Method SecurityAt Method Security, we are on a mission to redefine the landscape of cybersecurity in response to the rapid evolution of AI-driven threats. Our commitment lies in protecting essential institutions—ranging from government and defense to critical commercial sectors—against these advanced threats through the development of state-of-the-art, autonomous defense solutions. By integrating our expertise in AI, cybersecurity, and software engineering, we aim to shift the balance of power in security from the attackers to the defenders.Our Team and ValuesWhen you join Method, you become part of a distinguished, mission-oriented team that champions innovation, transparency, and excellence. We operate with intention, embracing a myriad of perspectives and experiences while upholding rigorous quality standards. Our culture is founded on trust, efficiency, and respect, fostering an environment where everyone can make significant contributions. We believe in the power of small, agile teams that can tackle complex challenges and yield remarkable results. At Method, you will have the freedom to lead projects, receive the support to overcome obstacles, and play a pivotal role in shaping the future of cybersecurity.Role OverviewAs a Security Engineer at Method Security, you will play a vital role in enhancing our product's capabilities by crafting tools and workflows that bolster the AI-driven defenses of our platform. This position demands a unique combination of security engineering expertise and software development skills to transform intricate security workflows into solutions that our product can autonomously utilize. You will collaborate closely with developers and product teams to ensure that the tools and security primitives within our offering empower users to address a variety of dynamic cybersecurity challenges.Key ResponsibilitiesDevelop and fortify both defensive and offensive security tools and workflows that augment the efficacy of our AI-driven platform.Create automated solutions within our product to optimize security workflows and facilitate intelligent responses to identified vulnerabilities and misconfigurations, utilizing Python and Go.Construct and maintain infrastructure utilizing Terraform and virtualization software for continuous testing and simulation.Engage with cross-functional teams to integrate security capabilities that align with user requirements and uphold high operational standards.Explore and implement diverse security tools and develop integration points within our product to support comprehensive security strategies.

About the Position Join our global team at Jane Street as an IT Security Engineer, where your extensive Windows engineering expertise and hands-on experience with contemporary security controls will play a pivotal role in safeguarding our IT platforms. You will be instrumental in enhancing the security of our internal IT and remote work environments through a blend of technical execution, consultation, and strategic influence across the IT team. We seek a candidate who possesses exceptional judgment and an eye for prioritizing intricate remediation efforts. Your insights will guide our mitigation strategies, while you provide essential technical counsel and decision-making support as required. Your responsibilities will include: Proactively proposing, designing, testing, implementing, and documenting advanced security controls. Coordinating and delivering security solutions across our IT platforms, while identifying opportunities for further automation of intelligent workflows. Developing scalable security controls, investigating emerging threats, creating new security tools, and spearheading vulnerability management initiatives. This role is part of our dedicated IT Engineering team, which monitors and manages our computing environment across three continents. Your analytical skills and expertise will be critical in supporting our colleagues' daily operations and ensuring our systems are maintained to the highest standards.

Join our dynamic team at StemXpert as an Integration Engineer specializing in FIX Protocol. In this role, you will be responsible for designing, implementing, and maintaining integration solutions that enhance our trading platforms. Your expertise in FIX Protocol will be pivotal in ensuring seamless communication and data exchange between various financial systems.

About Blee Blee builds AI-powered solutions that help organizations streamline and strengthen compliance processes. Our platform serves thousands of active users from a wide range of enterprise clients, many of whom have long-term contracts. The team includes professionals with backgrounds at Adobe, Chime, PayPal, and AWS. While Blee’s roots are in San Francisco, we have recently opened an office in New York City, and most of our team works from one of these two locations. Role Overview: Security Engineer Blee is hiring its first Security Engineer in New York City. This person will own the company’s security framework, setting the foundation for how we protect our systems and data. The scope includes SOC 2 compliance, infrastructure security, and enterprise security assessments. As the first in this role, expect both autonomy and influence over key security decisions. Growth Path This role suits someone who wants to build a security program from the ground up. As Blee grows, the Security Engineer will have the chance to move into a leadership position, shaping security strategy and team structure as customer needs and regulations evolve. What You Will Do Lead compliance certifications such as SOC 2 Type II, ISO 27001, and frameworks like GDPR, CCPA, HIPAA, and PCI-DSS. Design and maintain secure infrastructure for real-time systems and AI batch processing workloads. Develop security practices and select tools that scale with the company, keeping security tightly integrated with engineering. Improve cloud infrastructure security by managing access controls, secrets, audit logging, and vulnerability management. Refine CI/CD pipelines and developer workflows to support both security and a smooth developer experience. Blee welcomes candidates who enjoy solving complex problems and want to make a direct impact on security at a growing company.

Join Our Security Operations Team We are seeking a passionate, driven, and technically inquisitive individual with a strong focus on IT operations to become a valued member of Jane Street’s IT Security team. Your role will be pivotal in safeguarding our firm's IT systems and user identities through hands-on technical work, innovative problem-solving, and collaborative teamwork. Key responsibilities for this position include: Deploying, documenting, and implementing security controls at scale. Contributing significantly to our Vulnerability Management program to effectively detect and mitigate vulnerabilities. Providing expert guidance and support to the IT department and IT Operations team during security incidents. Collaborating with engineering teams to develop both technical and non-technical solutions addressing security concerns. Assisting in the creation and refinement of our team’s operational playbooks and procedures. We are looking for someone who thrives in collaborative environments, enjoys tackling complex challenges, and is adept at delegating and escalating tasks efficiently. This role emphasizes communication, as you will be responsible for translating intricate technical issues for diverse audiences while maintaining accuracy. We welcome applicants from varied backgrounds, but preference will be given to candidates with experience in code-driven or declarative environments and hands-on experience in security incident response.

About Our CompanyGeneral IntuitionAs a pioneering research lab, we are committed to advancing foundation models tailored for environments that demand intricate spatial and temporal reasoning. Over the past year, we have been at the forefront of AI innovation, developing agents adept at navigating complex environments, creating world models that serve as training grounds for these agents, and enhancing video understanding models with an emphasis on real-world applicability.With a successful seed round of $133M secured from General Catalyst and Khosla, we are poised to establish ourselves as the leading AI lab specializing in embodied agents.Your RoleAt General Intuition, alongside our sister company Medal, we operate at the convergence of large-scale gaming data, cutting-edge AI research, and rapid product engineering. In this vital role, you will be responsible for securing the infrastructure that connects these domains. Your tasks will include fortifying our cloud environments, safeguarding our data pipelines, and ensuring our deployment systems are resilient against supply-chain attacks and other potential threats.You will create secure-by-default frameworks without hindering the efficiency of research or product teams, integrating standard security tools with customized protections as needed. Your contributions will significantly minimize operational risks for both General Intuition and Medal, helping us maintain trust as we expand sensitive AI workflows and large creator-driven platforms.

About EliseAIAt EliseAI, we are dedicated to revolutionizing vital industries such as housing and healthcare. Everyone deserves a comfortable home and access to quality healthcare, yet these essentials are often challenging to obtain. By seamlessly integrating AI agents into existing workflows, we enhance efficiency, reduce costs, and elevate the overall experience for our users.Housing: We streamline the rental experience by simplifying apartment tours, lease signings, maintenance requests, and communication with property management—bringing everything tenants need into one convenient platform.Healthcare: We facilitate appointment scheduling, streamline intake forms, and enhance communication between patients and providers, allowing everyone to prioritize health over paperwork.With EliseAI, organizations minimize manual tasks, enhance accessibility, and deliver a cohesive experience across crucial services. Recently, we secured a $250 million Series E round led by Andreessen Horowitz to further accelerate our mission.About The RoleEliseAI is seeking a Senior Security Engineer to join our dynamic team and safeguard our cutting-edge AI solutions. In this role, you will be tasked with designing, implementing, and maintaining robust security measures to protect our systems, data, and users. Collaborating closely with our engineering, IT, and infrastructure teams, you will identify and resolve security vulnerabilities, automate security processes, and ensure compliance with industry standards.Key ResponsibilitiesAutomate security processes, including asset management, vulnerability management, and patch management using cloud-based tools and scripting.Drive the integration of developer tooling—such as linters, static analysis tools, posture assessment scanners, and query inspectors—to expedite secure system development.Develop and incorporate security-first application foundations across our products.Contribute significantly to AWS security, ensuring comprehensive protection across our cloud infrastructure.Provide security guidance throughout the development lifecycle, including secure coding practices and vulnerability assessments.

JOIN OUR TEAMAre you ready to take your career in cybersecurity to the next level? At FanDuel, we're on the lookout for a skilled Enterprise Security Engineer who is passionate about designing and implementing cutting-edge enterprise security controls. You will play a pivotal role in shaping our security posture while balancing risk management and user experience. Reporting to the Senior Manager of Enterprise Security Engineering, you’ll tackle a variety of security challenges to protect our organization.

OverviewJoin Moment as a Security Engineer, where you will play a pivotal role in fortifying our security infrastructure. Our mission is to build cutting-edge trading and portfolio management technology, and we rely on your expertise to ensure the integrity and safety of our systems.Position HighlightsLocation: 5 days/week at our NYC headquartersBase Salary: $200K to $325KEquity: Competitive initial grant plus annual performance bonusesAbout MomentFounded in 2023 by a talented group of quantitative traders and researchers from Citadel and Jane Street, Moment is at the forefront of developing next-generation trading technologies. With over $100M in funding from prominent investors such as Andreessen Horowitz and Index Ventures, we support crucial workflows for financial institutions managing upwards of $8 trillion in assets.Role ResponsibilitiesAs a key member of our security engineering team, you will:Gain an in-depth understanding of our products and collaborate with engineering teams to ensure they are built securely.Integrate and develop tools that promote secure coding practices across the organization.Design, implement, and advocate for application primitives that enhance our security posture.Work with platform engineers to devise and deploy solutions to common security challenges.Take charge of leading security incident responses.Your ProfileYou are an ideal candidate if you:Are an engineer at heart, eager to grow as a security expert in a fast-paced environment.Possess a robust understanding of security technologies, tools, and industry trends.Have experience in platform or infrastructure roles.Preferred QualificationsExperience with AWS and managing secure cloud environments.History of leading efforts to resolve security incidents.Familiarity with programming languages such as Go, Python, or TypeScript.

About 10a Labs: 10a Labs serves as the essential safety and threat-intelligence framework relied upon by pioneering AI labs, high-growth AI companies, Fortune 10 enterprises, and major global technology platforms. Our expert red teaming, model evaluations, and intelligence-gathering activities empower engineering, safety, and security teams to preemptively tackle emerging threats and ensure the secure deployment of AI systems.Role Overview: As a Security Engineer, you will play a crucial role in safeguarding advanced AI systems. Your responsibilities will include identifying vulnerabilities, integrating protective measures into code and workflows, and collaborating closely with researchers to mitigate risks posed by adversarial actors. This position demands robust technical expertise, a proactive security mindset, and adaptability in a dynamic startup atmosphere where threats and priorities shift rapidly.

About WRITERWRITER is at the forefront of AI-driven innovation, empowering leading enterprises to harness the potential of artificial intelligence in their operations. Our mission is to enhance human capabilities through superintelligence. We are making this vision a reality with robust and reliable AI solutions that bridge the gap between IT and business, driving transformative results across organizations. With our comprehensive platform, renowned companies such as Mars, Marriott, Uber, and Vanguard are successfully developing AI agents tailored to their unique data needs, all powered by WRITER's enterprise-grade LLMs. As a company valued at $1.9 billion and supported by prestigious investors like Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is establishing itself as a dominant force in the realm of generative AI.Founded in 2020 and with headquarters in San Francisco, New York City, Austin, Chicago, and London, our team thrives on innovation and agility. We seek intelligent and dedicated individuals to join us in shaping the future of work through AI. About the RoleIn this pivotal role as a Security Engineer focused on applications at WRITER, you will establish the security framework that safeguards our AI systems, which serve some of the most renowned brands globally. You will collaborate closely with engineering teams, integrating security seamlessly into every line of code while ensuring our platform remains powerful and reliable.This is a unique opportunity to influence the security landscape of enterprise AI applications. You will engage in threat modeling for our LLM architectures and develop automated security controls that scale as our platform expands. Your approach will focus on innovative solutions that enhance security rather than restrict it. You will face challenges that few security engineers encounter, such as securing AI agents, protecting training data pipelines, and designing controls for emerging systems.This position offers flexibility, allowing you to work remotely within the US or in a hybrid capacity from our San Francisco or New York City offices, reporting directly to the head of security engineering.

Role overview Datadog is hiring an Engineering Manager II to lead source security efforts in New York. This position guides a team of engineers focused on strengthening security protocols and protecting Datadog’s systems. The manager’s leadership shapes how the team responds to emerging security threats and maintains product protection as risks change. What you will do Lead and mentor a team of engineers focused on source security projects Develop and improve protocols that safeguard company systems Collaborate with teams across the organization to design, implement, and monitor security measures Encourage security awareness and proactive risk management within engineering Support the integration of security best practices throughout the software development process Location This position is based in New York, New York, USA.

Join the Thread AI Team!At Thread AI, we are pioneering the development of an innovative AI-native workflow orchestration engine. We invite passionate and skilled professionals to be part of our expanding team. Our mission is to simplify infrastructure for enterprises and public sector organizations aiming to maximize the potential of AI.Based in New York, our dynamic team comprises experts in AI, product development, and engineering, all with a proven history of designing and executing intricate workflows and infrastructure.Our Engineering CultureWe pride ourselves on being a compact, dedicated technical team that encompasses engineering, research, design, product, and operations. We believe that a small, committed team with a flat structure and a collaborative ethos can achieve more and innovate faster than larger, hierarchical organizations.Role OverviewWe are seeking a talented software engineer to take charge of implementing and overseeing the security of our internal information systems’ infrastructure and processes. You will collaborate closely with senior engineers to develop robust security capabilities, enforce security policies, and vigilantly monitor internal systems for potential security threats.

About Sei LabsSei Labs is pioneering open-source technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain engineered for industry-scale efficiency. Our innovative optimizations empower Web3 applications to achieve Web2 levels of scalability and performance, propelling the widespread adoption of digital assets.Our diverse teams include experts from leading organizations such as Google, Goldman Sachs, Robinhood, Nvidia, and Databricks, all committed to integrating the next billion users into a robust ecosystem of applications.Sei Labs has secured over $30 million from prestigious investors like Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.For more information, visit our website and our documentation.Protocol Engineering at SeiWe are in search of a Protocol Engineer to spearhead the development of essential components of the Sei Blockchain. In this role, you will be at the cutting edge of blockchain infrastructure, tasked with designing and refining the foundational layers of a scalable decentralized network. You will collaborate closely with our engineering team and ecosystem partners, continuously innovating to advance blockchain technology. If you possess a passion for low-level systems design, performance optimization, and influencing the future of decentralized networks, this is an exceptional opportunity to leave a significant mark in the Web3 landscape.

Join Copia as a Lead Security Engineer, where you will play a pivotal role in safeguarding our digital assets and infrastructure. You will lead a team of talented engineers, implementing cutting-edge security measures and developing innovative solutions to protect our organization from cyber threats.In this role, you will be responsible for conducting security assessments, developing security protocols, and ensuring compliance with industry regulations. Your expertise will be crucial in identifying vulnerabilities and enhancing our security posture to mitigate risks effectively.