Lead Application Security Engineer

About the Role Adaptive Security is looking for a Lead Application Security Engineer in NYC. This position shapes how we defend our software against threats, guiding security strategy and execution across our applications. What You Will Do Lead the design and rollout of security measures for software applications Develop and refine security strategies to address emerging risks Work closely with teams to uphold strong security standards Ensure our practices align with industry regulations and compliance requirements What Matters Here Deep experience in application security Ability to guide teams and set technical direction Commitment to both proactive defense and regulatory compliance

Join Our Innovative Security TeamAt OpenAI, security is paramount to our mission of ensuring that artificial general intelligence serves the best interests of humanity. Our dedicated Security team safeguards OpenAI’s technology, personnel, and products. We are technical in our solutions and operational in our approach, committed to supporting all aspects of our products and research. Our guiding principles include prioritizing impactful initiatives, empowering our researchers, preparing for future technological advancements, and fostering a robust security culture.Your Role as an Application Security EngineerIn the role of Application Security Engineer, you will play a vital part in identifying and mitigating security vulnerabilities within our software applications. This involves creating security tools, conducting code reviews, performing penetration testing, and executing comprehensive security assessments.We seek individuals who will collaborate closely with development teams to embed secure coding practices throughout the software development lifecycle, preemptively addressing security risks. You will also offer security guidance to developers and stakeholders, promoting a culture of security awareness across the organization.This position is based in New York City, but we also consider candidates for remote work. Our hybrid work model requires three days in the office each week, and we offer relocation assistance for new employees.Key ResponsibilitiesConduct Security Assessments: Regularly perform security assessments, code reviews, and penetration tests to identify vulnerabilities in applications and software.Create and Implement Security Tools: Design and develop security tools, frameworks, and methodologies to defend applications against potential threats.Collaborate with Development Teams: Work hand-in-hand with development teams to ensure security best practices are integrated throughout the software development lifecycle, including secure coding standards.Threat Modeling and Risk Assessment: Carry out threat modeling and risk assessments to proactively identify potential risks and devise effective mitigation strategies.Manage Vulnerabilities: Track, analyze, and manage vulnerabilities within applications, providing guidance and support for remediation efforts.Incident Response Support: Assist in incident response efforts and contribute to the development of incident response protocols.

Are you passionate about safeguarding applications in a dynamic environment? Join us as an Application Security Engineer at Contentful. In this pivotal role, you will leverage your expertise to enhance the security posture of our applications, ensuring that our customers' data remains secure and protected against emerging threats.Your responsibilities will include conducting security assessments, implementing security best practices, and collaborating with development teams to integrate security into the software development lifecycle. We are looking for someone who is not only knowledgeable in application security but also eager to learn and adapt in a fast-paced setting.

About UsAt Imprint, we are revolutionizing co-branded credit cards and innovative financial products, making them smarter, more rewarding, and truly brand-centric. We collaborate with renowned companies such as Crate & Barrel, Rakuten, Booking.com, H-E-B, Fetch, and Brooks Brothers, to launch cutting-edge credit programs that enhance customer loyalty, offer significant savings, and drive substantial growth. Our advanced platform merges intelligent payment infrastructure with seamless user experiences, enabling brands to provide impactful financial products without the need to become a bank.Co-branded cards represent over $300 billion in annual spending in the U.S., yet many are still reliant on outdated banking systems. Imprint stands out as a modern alternative, characterized by flexibility, advanced technology, and a focus on today’s consumer needs. Supported by top-tier investors such as Kleiner Perkins, Thrive Capital, and Khosla Ventures, we are assembling an exceptional team to transform the landscape of payments and card technology. If you are eager to work in a fast-paced environment, tackle complex challenges, and make a meaningful impact, we invite you to connect with us.Discover more about our journey on Imprint's Technology Blog.Our TeamThe Security Engineering team at Imprint plays a crucial role in safeguarding the trust of our customers, partners, and products. We are dedicated to developing a comprehensive and scalable security program that protects our infrastructure, applications, and data from threats while allowing the company to innovate rapidly and securely. By joining our dynamic FinTech startup, you will significantly influence the future of payment solutions and card technology.Your RoleAs a Senior Application Security Engineer, you will be pivotal in ensuring our products and services are designed with security at their core. You will establish and implement security best practices across our applications, conduct thorough testing, and empower engineering teams to proactively identify and address vulnerabilities.LocationThis hybrid position allows you to work remotely while also spending 2-3 days per week on-site at our offices located in New York City, San Francisco, or Seattle as directed by your manager.Key ResponsibilitiesConduct systematic threat modeling, utilizing frameworks such as MITRE ATT&CK, to identify risks, define attack paths, and propose mitigation strategies early in the development lifecycle.Perform detailed security architecture reviews to ensure that applications and microservices adhere to secure design principles.Collaborate with engineering teams to conduct code reviews, identifying vulnerabilities and ensuring code quality meets security standards.

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.

About UsAt Gecko Robotics, we empower critical infrastructure by ensuring its availability, reliability, and sustainability through our innovative solutions. Our cutting-edge technology integrates wall-climbing robots, top-of-the-line sensors, and an AI-driven data platform, offering clients unprecedented insights into the current and future state of their physical assets. This enables real-time decision-making that enhances operational efficiency and safety, promotes mission readiness, and safeguards the environment from potential infrastructure failures.Position OverviewWe are seeking our inaugural dedicated Product Security Engineer to enhance and expand our application security measures at Gecko. In this pivotal role, you will have a significant impact on the security framework of our product as we continue to evolve.This is a hands-on position that requires direct collaboration with engineering teams to establish secure software practices as the default standard. While we have existing tools in place, we need someone who can refine them, automate processes, and minimize manual security tasks.If you thrive on building systems from scratch, addressing tangible challenges, and working closely with product and engineering teams, this role is tailored for you.Key ResponsibilitiesEnhance application security across our products and cloud systems, partnering with engineers to ensure secure software is the norm without hindering productivity.Integrate security checks into CI/CD pipelines to catch potential issues early, while refining existing tools to minimize distractions for engineers.Conduct code and infrastructure reviews to identify and mitigate security vulnerabilities, guiding teams in implementing secure, repeatable patterns.Automate currently manual security tasks, establishing scalable guardrails as the company expands.Collaborate with platform teams to bolster cloud security in AWS or Google Cloud, avoiding common pitfalls.Support the implementation of security controls necessary for SOC 2, ISO, and similar standards as we grow.Technologies We UtilizePython, JavaScript, ReactAmazon Web Services and Google CloudGitHub, GitLab, JenkinsContainers and Infrastructure as Code

At January, we are on a mission to revolutionize consumer finance from the ground up. By personalizing interactions and optimizing decision-making throughout all stages of consumer credit, we empower both consumers and creditors, ensuring that credit is fair, accessible, and tailored to individual needs.As a Lead Security Engineer, you will redefine security standards in an industry where trust has been significantly compromised. This is a unique opportunity to join us at a pivotal moment: we have established the hard-earned trust of leading financial institutions, and now you will create the security framework that extends this trust to millions of consumers.You will design and implement a dual trust architecture, safeguarding both consumer-facing experiences and robust enterprise systems. You will tackle technical challenges that are unparalleled in the industry, such as privacy-preserving data systems, compliance automation across multiple jurisdictions, and AI-driven decision-making processes. Your influence will shape our security strategy and culture from the ground up, demonstrating that security is not merely an overhead cost, but a competitive advantage that drives enterprise partnerships and market growth.Your ImpactTransform security into a competitive edge: Position January's security as a key differentiator that attracts banks and enterprises, unlocking Tier 1 partnerships and deals that competitors cannot secure.Promote security-by-design in product and application development: Collaborate with product and engineering teams to identify critical risks early in the process, focusing on application security across frontend, Flask services, and databases. Integrate security into the discovery and design phases, ensuring secure development patterns are embedded in workflows.Design systems for bank-grade data protection: Create and enforce data classification, encryption, and access control mechanisms that comply with regulatory standards, ensuring sensitive data remains within authorized boundaries.Foster a security-first engineering culture: Advocate for security-centric thinking within engineering teams without hindering progress. Lead incident responses decisively, ensuring that January emerges stronger from security events through thorough post-incident analyses.Streamline compliance with minimal overhead: Maintain SOC 2, PCI-DSS, and financial compliance using automated systems and build infrastructure that generates audit evidence seamlessly, eliminating compliance bottlenecks.

Employee Applicant Privacy Notice About SoFi SoFi is a national bank and financial services provider focused on helping millions of members achieve their financial goals. The company builds mobile-first technology that empowers users to take control of their finances. SoFi’s work directly impacts people’s lives and shapes the financial industry. Core values guide the team as they work to improve both careers and the broader financial landscape. Role Overview The Security Product Lead for Product & AI Security sets the strategy, roadmap, and measurable outcomes for securing SoFi’s product lifecycle and supporting AI/ML initiatives. This position sits within the Security Strategy & Delivery team and works closely with leaders and teams in Product Security, Engineering, and Data Science/AI. Main Responsibilities Define and communicate the strategic direction for Product Security and AI Security as internal security products. Align security initiatives with enterprise risk priorities. Develop and maintain a clear roadmap for security capabilities. Establish and track key performance indicators (KPIs) to measure success. Implement structured program governance for security initiatives. Collaborate across teams to integrate security controls throughout the software development lifecycle (SDLC). Address unique risks associated with AI/ML systems. Influence stakeholders and drive alignment without direct authority. Help protect member trust, company assets, and support business stability and growth. Location Roles are available in Seattle, WA; Cottonwood Heights, UT; San Francisco, CA; New York City, NY; and Frisco, TX.

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.

Join Hudson River Trading (HRT), a pioneering firm in the trading space, as the Lead for Security Governance, Risk, and Compliance within our expanding Information Security team. This pivotal role will spearhead the security governance initiatives for HRT entities across America, Europe, and Asia, driving the automation of security governance at scale.In this hands-on position, you will collaborate closely with HRT’s Compliance and Legal teams to research, develop, and uphold security solutions tailored to a diverse range of industry regulations and requirements. You’ll lead a skilled technical team tasked with strategically ensuring HRT’s compliance with global security standards, facilitating our growth into new markets with complex regulatory landscapes.

Join Crosby as the Founding IT & Security Operations Lead, where you will play a pivotal role in establishing and leading our IT and security operations. You will be responsible for developing robust security protocols, overseeing IT infrastructure, and ensuring the seamless operation of our systems. This is an exciting opportunity to influence the direction of our technology strategy and develop innovative solutions to enhance our security posture.

lm-studio seeks an Application Engineer based in New York City. This role centers on designing and building software solutions that address specific client needs. Application Engineers work closely with colleagues from different teams, guiding projects from initial idea through to launch. Responsibilities Design and develop software applications for a range of client projects Work with cross-functional teams throughout each stage of development Offer technical input and creative ideas to tackle complex challenges Support the delivery of applications that meet project requirements Requirements Interest in technology and building software Strong communication skills and ability to collaborate Creative problem-solving approach Motivation to contribute meaningful work

Join Crosby as a Security Engineer, where you'll play a pivotal role in safeguarding our information systems and data integrity. As a vital member of our security team, you will implement robust security measures, conduct risk assessments, and collaborate with cross-functional teams to protect our infrastructure from potential threats.

About Our TeamAt OpenAI, our dedicated Security team is committed to providing our researchers, engineers, and staff with seamless access to the tools and resources necessary for optimal productivity, security, and comfort. As an Enterprise Security Engineer, you will thrive in a highly technical, collaborative environment focused on employee satisfaction.Our IT team, though compact and agile, covers a wide array of security domains, empowering you to contribute to innovative solutions and build robust systems from the ground up. With strong support and ample resources, we aim to implement a world-class enterprise security program.Role OverviewIn the role of Enterprise Security Engineer, you will play a key role in safeguarding OpenAI's internal information systems through the implementation and management of security protocols. You will collaborate closely with our IT and Security teams to enhance security capabilities, enforce policies, and monitor systems for potential threats.This position is available for remote work or relocation assistance can be provided for candidates moving to San Francisco.Your Responsibilities Will Include:Designing and executing robust security measures to protect our organization's information assets from unauthorized access, disclosure, or misuse.Monitoring both internal and external systems for security threats and responding promptly to alerts.Contributing to and enforcing IT and Security policies and procedures across the organization.Collaborating with the IT department to fortify our infrastructure using best practices in AzureAD, GSuite, GitHub, and other SaaS tools.Providing guidance to employees on best practices for securing endpoints, as well as office AV and network infrastructure.Creating innovative sharing controls and associated monitoring to safeguard company data, including intelligent group management, Data Loss Prevention (DLP), and other relevant security controls.Implementing forward-thinking models such as 'secure by default' and 'zero trust' to establish sustainably secure environments for knowledge workers and developers.Identifying and addressing vulnerabilities within our internal systems while adhering to best practices for data security.Utilizing our AI-driven models to enhance systems for improved security detection and response, data classification, and other security-related tasks.

Join Hudson River Trading (HRT), a leading quantitative trading firm renowned for its commitment to technological advancement. We develop and deploy state-of-the-art systems in one of the most sophisticated computing environments globally, driving our expansive trading operations.We are on the lookout for a seasoned Security Operations Engineer to become a vital part of our expanding Security Operations team. In this pivotal role, you will design, build, and maintain strategic security solutions that safeguard HRT’s global cyber security infrastructure.The ideal candidate will possess a deep understanding of SIEM, SOAR, UEBA, and DLP technologies. Proficiency in programming languages, particularly Python, along with experience in log management and observability platforms such as the Elastic stack, is essential. This role demands strong technical troubleshooting abilities, along with exceptional organizational, automation, project management, and communication skills across various functions.

About the Role Sigma Computing is seeking a Senior Security Engineer II focused on Cloud & Data Security to help safeguard our large-scale, cloud-native SaaS platform. This position centers on engineering: building security solutions, not just operating existing tools. The role calls for a subject matter expert in cloud security architecture. Collaboration with Engineering, Security, and Product teams is key, as is designing scalable controls that support business growth. Responsibilities include creating secure architectures, integrating controls into infrastructure-as-code, and setting up automated guardrails so teams can move quickly without waiting for manual security sign-offs. This is a hands-on position for someone who thrives in complex cloud environments, values automation, and knows how to scale security for a growing SaaS company. What You Will Do Architectural Leadership: Work closely with infrastructure and engineering teams to embed security into development workflows. Lead technical discussions that shape security strategy and initiatives. Multi-Cloud Engineering: Design, implement, and refine Sigma’s cloud security across AWS, GCP, and Azure, using deep architectural expertise. Threat Modeling & Incident Response: Conduct threat modeling for cloud environments and handle incident response, including investigation and remediation of malicious activity. Identity & Access Management: Develop strategies for IAM and privileged access (RBAC/ABAC, federation, least privilege, cross-account access). Remove standing privileges and long-lived credentials, and promote zero-trust and privileged access controls across IaaS and SaaS. Cloud Data Security Controls: Implement data classification, encryption/KMS, masking/tokenization, access governance, retention and deletion policies, and reduce exfiltration risks across APIs and data pipelines. Automated Remediation Workflows: Build automated responses for recurring cloud misconfigurations, drift, and policy violations to improve operational efficiency and response times. Security Stack Management: Deploy and manage cloud-native services, including CSPM, CNAPP, DSPM, SIEM, DLP, WAF, Kubernetes, and container security tools. Network Defense: Evaluate and implement zero-trust network security measures. Location: New York City, NY

About the RoleJoin our dynamic team at FanDuel as we seek a skilled Senior Enterprise Security Engineer. This pivotal role requires a professional who is dedicated to crafting and implementing enterprise security control strategies, while also shaping our security posture. You will play a key role in balancing risk reduction with user experience and operational enablement at scale.Reporting directly to the Senior Manager of Enterprise Security Engineering, you will tackle diverse security challenges and lead initiatives that foster a secure environment for our operations.Your ResponsibilitiesImplement cutting-edge models such as “secure by default” and “zero trust” to maintain a robust security posture.Act as a security subject matter expert, collaborating with internal teams to meet business objectives and overcome security challenges.Develop and manage team roadmaps while staying informed of the latest threats and identifying security risks independently.Utilize automation and development approaches to enhance enterprise-wide security controls.Employ AI technologies to amplify the effectiveness of Security Engineering and FanDuel's operations.Support the security organization as needed, fostering a collaborative team environment.What We’re Looking ForProven expertise in security engineering across multiple domains, including Zero Trust, Endpoint Security, Data Protection, and more.Intermediate proficiency in scripting languages such as Python, Go, or Ruby; experience with Python and PowerShell is a plus.Familiarity with identity access management frameworks and protocols like SAML, SCIM, OAuth, and WebAuthN.Ability to model threats to corporate infrastructure and implement preventative architectures and controls.Strong communication skills to work effectively with a diverse range of partners, from engineering to legal teams.Adeptness in navigating rapidly evolving environments with a focus on solving ambiguous challenges.

Join Olo, a premier SaaS provider revolutionizing the restaurant sector by enhancing digital transformation. Our platform empowers businesses to offer highly personalized and lucrative guest experiences, ensuring that every interaction feels special and tailored.As a Staff Security Engineer, you will serve as the technical anchor for the Olo Security Blue Team, spearheading initiatives that fortify our systems while safeguarding sensitive client and customer information. Reporting directly to the Security Engineering Director, you will play a pivotal role in establishing robust security measures that maintain operational integrity.Your responsibilities will encompass identifying and prioritizing future projects based on risk assessments, executing cross-departmental initiatives with both ownership and excellence, and mentoring fellow team members to enhance their skill sets. If you are driven by the desire to mitigate risks while fostering innovation, we invite you to become part of our dynamic team!This position offers the flexibility to work remotely from anywhere within the U.S. or from Olo's vibrant headquarters located in NYC.

At Artemis, we are revolutionizing the realm of AI-driven cybersecurity, empowering organizations to proactively detect and defend against threats in a rapidly evolving digital landscape where AI technologies are engaged in cyber warfare.Supported by esteemed investors such as First Round Capital and Brightmind, alongside a cadre of renowned cybersecurity professionals, we are committed to delivering cutting-edge solutions.Our leadership team, including Shachar (former Palo Alto Networks, AWS, Demisto) and Dan (former Abnormal Security, Twitter), has successfully launched and scaled trusted cybersecurity products for thousands of clients, bringing unparalleled expertise in customer relations, technology, and security.Our diverse and talented team consists of software engineers, AI researchers, security engineers, and product designers from leading companies including Google, Abnormal AI, Wiz, Meta, AWS, and CERN.As we expand our team, we seek enthusiastic builders eager to contribute to our growing customer community.Position SummaryAs a Security Research Engineer at Artemis, you will spearhead detection research, threat hunting, and the automation of security processes powered by AI. This role presents a unique opportunity to engage with both security expertise and advanced AI technology, where you will research data sources, develop detection mechanisms, investigate real incidents, and collaborate directly with clients to enhance security outcomes. Your contributions will significantly influence the threats we identify and the methods we employ to tackle them.Key ResponsibilitiesAI-Driven Detection Development - Create automation tools that utilize AI to expedite the development, fine-tuning, and validation of detection strategies on a large scale.Security Research - Conduct thorough analyses of cloud, identity, and SaaS data sources, including AWS CloudTrail, Okta, and more.

About the Opportunity At Contentful, we are dedicated to creating a secure and reliable service. Our commitment to security encompasses significant investment in resources and efforts. Our Security team plays a pivotal role in managing information security across the organization and collaborates closely with various internal teams. We believe in embedding security within our DevOps principles, ensuring robust and repeatable processes. We are seeking an enthusiastic and dedicated Manager of Security Engineering, someone who is eager to tackle complex security challenges with innovative and scalable solutions. In this role, you will oversee security engineering initiatives for Contentful's corporate systems, including the tools and platforms that empower our internal security team. Although this position is not responsible for customer-facing product security, you will work in tandem with product security teams within our security organization on overlapping responsibilities. Your role will involve a blend of leadership and hands-on technical execution, focusing on designing, implementing, and managing security controls and tools at scale. Key areas of focus will include identity and access management, data security, and SaaS platforms. You will provide strategic direction and spearhead initiatives while remaining actively involved in their execution. While you may work independently at times, you will frequently collaborate with security leadership, IT, and cross-functional partners to align strategies, implement shared initiatives, and effectively mitigate risks while minimizing impacts on end users across the organization. What to Expect? Develop a high-performing team through coaching, mentorship, goal setting, and performance feedback. Define roles and make hiring decisions to expand the team in alignment with departmental needs. Maintain a hands-on approach, balancing technical leadership with direct implementation work. Own execution and prioritization across projects and operations, utilizing agile delivery practices. Enhance effectiveness and efficiency by refining processes and tools. Champion continuous improvement across all facets of the security program. Communicate risks and technical concepts clearly to leadership and stakeholders. Collaborate with security leadership to execute business-aligned, risk-reduction roadmaps. Shape work scope, sequencing, and success criteria in line with departmental and company objectives. Drive security processes, standards, and best practices across information technology assets.