Senior Software Engineer - Server Security

Join Our Dynamic Security TeamAt OpenAI, we are on a mission to ensure that artificial general intelligence serves the betterment of humanity, with security at the heart of our vision. Our dedicated Security team is integral to safeguarding OpenAI's technologies, personnel, and products. We blend technical expertise with operational excellence, striving to empower all research and product initiatives at OpenAI. Our team values include impactful prioritization, enabling innovation, forward-thinking preparation for transformative technologies, and fostering a proactive security culture.Your Role as a Software Engineer, Security ObservabilityWe are looking for a Software Engineer specializing in Security Observability to enhance our Security team. In this pivotal role, you will design and implement secure, scalable systems that elevate our security observability framework. Utilizing your engineering prowess, you will partner with diverse teams to develop, deploy, and maintain resilient software solutions that bolster our security and detection capabilities. This position is available for remote work, or you may choose to relocate to one of our OpenAI offices situated in San Francisco, Seattle, or New York City.Your Responsibilities:Create and implement scalable software systems that enhance security observability across our infrastructure.Develop and sustain data pipelines that centralize and securely store security-related data from various sources.Continuously enhance the resilience and reliability of data systems to guarantee high platform availability.Collaborate closely with Detection & Response (D&R) and other security teams to mitigate security risks.Support data engineering for forensic investigations and compliance initiatives.You May Be a Great Fit If You Have:Extensive software engineering experience, proficient in programming languages such as Python, Go, or similar.Experience with infrastructure as code, utilizing tools like Terraform and working with cloud platforms such as Azure.Track record of building and maintaining data pipelines, especially for security-centric applications.A versatile engineering mindset, able to navigate various technical challenges seamlessly.

Role Overview Sigma Computing is growing its engineering team in New York City. The Senior Software Engineer - Observability and Reliability will help build technology that makes data accessible for all. This role focuses on improving how systems are monitored, measured, and maintained for reliability. What You Will Do Design and build observability tools and platforms, including metrics collection, logging, distributed tracing, dashboarding, alerting, and application performance management. Work with technologies such as Go, Open Telemetry, and Kubernetes. Take part in on-call rotations to help maintain high service uptime. Develop runtime tools and processes that support cloud triaging and help minimize downtime. Define and promote best practices for monitoring and measuring systems and services. Collaborate with engineers and stakeholders through design and code reviews, with a strong emphasis on hands-on coding.

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.

About AdaptiveAdaptive Security is at the forefront of AI cybersecurity, proudly recognized as NVIDIA and OpenAI's exclusive investment in this domain. Our mission is to thwart AI-driven cyber threats effectively.Founded by seasoned entrepreneurs Brian Long and Andrew Jones, who have previously scaled companies to remarkable heights, Adaptive recently secured $81 million in a Series B funding round, led by NVIDIA and Bain Capital Ventures, with contributions from Capital One Ventures, Citi Ventures, and ongoing backing from industry leaders like Andreessen Horowitz (a16z) and the OpenAI Startup Fund. Our founders have a proven track record, having co-founded Attentive and TapCommerce, and are committed to building a robust security framework for the AI era.With our trusted solutions already employed by leading banks, technology firms, and healthcare organizations, Adaptive is dedicated to protecting teams from evolving threats, including deepfakes, smishing, and AI-driven voice scams. As we continue to experience rapid adoption in the enterprise sector, we are poised to capitalize on a market exceeding $200 billion.RoleWe are on the lookout for a passionate Software Engineer eager to contribute to high-quality software development in a dynamic startup environment where every engineer's impact is significant. You will be directly involved in shipping tangible features for our customers from day one, creating products that are pivotal to the field of AI cybersecurity. As you advance in your role, you will cultivate your technical acumen and develop a unique vision for product direction.ResponsibilitiesDevelop and deploy features across the entire technology stack—frontend, backend, and infrastructure.Produce clean, well-tested code that is easily comprehensible and maintainable by fellow engineers.Collaborate closely with product management and design teams—our engineers play a crucial role in shaping our product vision.Engage with customer feedback to develop your insights on product enhancements.Commit to ongoing professional development— we heavily invest in advanced tools and resources, including AI coding assistants.Qualifications1-4+ years of experience in developing customer-facing software applications.Bachelor's degree or equivalent experience in Computer Science, Software Engineering, or a related discipline.Proficient in relevant programming languages and frameworks with a strong understanding of software development principles.

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 MongoDB as a Senior Software Engineer within the Atlas Clusters Organization, a team that's pivotal in developing MongoDB Atlas, our premier database-as-a-service offering and the fastest-growing product in our portfolio. Atlas empowers users to effortlessly deploy secure, fault-tolerant, and globally distributed MongoDB clusters within minutes. You will be instrumental in crafting software that interfaces with major cloud providers (AWS, Azure, and GCP) to ensure security, durability, availability, and performance across all MongoDB deployments. The Atlas Clusters Security team is dedicated to delivering a top-tier cloud database security experience to our diverse clientele. Our team works on developing and maintaining essential systems for cluster networking, data encryption, database authentication, and more, enabling critical applications around the globe. This position is available in New York City with the flexibility of a hybrid work model or can be remote for candidates on the East Coast.

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.

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.

Join Veeam Software as a Senior Sales Engineer specializing in Data & AI Security. In this pivotal role, you will leverage your extensive technical expertise to support our sales team, ensuring the successful delivery of data protection solutions to our clients. Your ability to communicate complex technical concepts in an accessible manner will be crucial as you engage with customers and stakeholders.

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.

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 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.

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.

HHAeXchange is at the forefront of technology solutions for home and community-based care. Established in 2008, our mission is to create a comprehensive, end-to-end homecare ecosystem that empowers aging individuals and those with disabilities to thrive within their communities. Our dedicated team is passionate about revolutionizing healthcare by seamlessly connecting patients, personal care providers, managed care organizations, and state agencies. We are currently on the lookout for a Principal Cloud Security Engineer to join our expanding Cybersecurity team. In this pivotal role, you will lead initiatives to validate our security posture, manage and implement cutting-edge technical solutions, enhance existing security protocols, and establish robust security standards and policies. As a subject matter expert, you will develop reusable and secure solutions while cultivating strong relationships across HHAeXchange, technical teams, and customers. Your expertise will ensure alignment between our overall security strategy, HHAeXchange’s strategic objectives, and compliance requirements. You will maintain senior-level proficiency across various technical domains, particularly in Cloud and Incident Response, engage in proof-of-concept projects, adopt innovative and business-aligned technology platforms, and expand your areas of expertise as our business evolves. To excel in this role, you must be capable of fulfilling each essential duty satisfactorily. We are committed to providing reasonable accommodations to enable individuals with disabilities to perform essential functions.