Top Security Engineer Jobs

Secure LiteLLM’s Python application, cloud infrastructure, CI/CD pipeline, and software releases. Responsibilities include vulnerability remediation, pull request and architecture reviews, GitHub Actions hardening, secrets detection, credential management, release signing, IAM and workload identity improvements, security guardrails, documentation, and ownership of product and pipeline security initiatives.

Own application security across cloud services, APIs, data pipelines, and edge-deployed applications. Lead threat modeling, secure design reviews, code reviews, vulnerability assessments, and remediation. Build CI/CD security tooling, automation, and secure-by-default developer frameworks while maturing the SDLC, supply-chain security, vulnerability disclosure, and bug bounty processes. Partner with engineering and security operations, provide incident expertise, and deliver developer security training.

Performs technical security assessments and manages system security plans, ATO packages, RMF compliance, security controls, continuous monitoring, vulnerability remediation, POA&Ms, and reauthorization activities. The role coordinates with ISSOs, administrators, security architects, and technology teams; maintains security documentation; evaluates system changes; tests configurations; and supports security operations in a 24/7 federal environment.

Designs, deploys, and optimizes enterprise network security solutions for clients. Leads firewall, SD-WAN, segmentation, secure access, identity, and SASE implementations; resolves critical incidents; performs security assessments; advises technical and executive stakeholders; collaborates across cloud and infrastructure teams; and mentors junior engineers.

Manages enterprise CCTV, access control, and related security technology across multiple stadium and organizational properties. Responsibilities include Genetec infrastructure administration, video storage and retention, system monitoring, redundancy planning, troubleshooting, upgrades, documentation, project management, budgeting, user training, and vendor coordination. The role also supports event operations, supervises direct reports, and works flexible hours in physically demanding environments.

Secures enterprise applications, cloud platforms, networks, and infrastructure through security engineering, monitoring, threat detection, vulnerability management, and incident response. Designs security controls, develops security policies and documentation, supports hybrid and air-gapped environments, and mentors technical teams. The role also integrates applications and advanced AI systems, manages data architectures, and applies cybersecurity practices across AWS, Azure, or Google Cloud environments.

Designs and improves cloud security architecture across Iterable’s infrastructure. Responsibilities include reviewing system designs, addressing vulnerabilities, implementing automated security testing, integrating security controls into CI pipelines, enforcing secure Infrastructure as Code policies, advancing DevSecOps practices, and coordinating cloud penetration tests. The role requires strong AWS, Kubernetes, Terraform, programming, identity, infrastructure, and cloud security expertise.

Monitor and investigate security alerts, triage and contain incidents, analyze logs and endpoint artifacts, document findings, support root-cause analysis, escalate complex events, and participate in security exercises and continuous improvement.

Deploys, integrates, maintains, and troubleshoots cybersecurity solutions across government customer environments. Performs STIG compliance validation, vulnerability scanning, remediation, system hardening, RMF support, configuration management, and security testing. Creates technical documentation and presents security concepts and remediation plans to stakeholders. The role requires extensive onsite travel to CONUS and OCONUS locations and collaboration with government personnel, vendors, and engineering teams.

Performs and reviews technical security assessments, architects secure systems and networks, evaluates security controls, and advises on vulnerability remediation. Responsibilities include implementing continuous vulnerability monitoring, reviewing certification and accreditation documentation, testing against NIST 800-53 controls, supporting incident response, and managing security technologies such as firewalls, IDS/IPS, SIEM, PKI, and MFA. The role also provides technical leadership, policy guidance, product evaluation, and customer support in a government environment.

The Senior Cloud Security Engineer protects NYC agency systems by assessing cloud identity and access management, enforcing cybersecurity policies, operating cloud and on-premises defensive technologies, and advising agencies on remediation. The role supports security implementations, network defenses, email filtering, endpoint protection, project coordination, stakeholder communication, deployment planning, and risk management in a 24/7 operational environment.

Designs, implements, and maintains security controls across cloud, infrastructure, endpoint, and application environments. Supports secure configurations, vulnerability remediation, logging and monitoring integration, security assessments, audits, documentation, and continuous improvement of security baselines and engineering processes.

Monitors and investigates security events across SIEM, endpoint, identity, cloud, email, and network environments. Develops and tunes detections, conducts threat hunting, investigates compromises and malware, determines incident scope and impact, coordinates containment and remediation, preserves evidence, and documents findings. The role also partners with internal technology teams and external SOC/MSSP providers to improve detection, incident response, security metrics, and compliance evidence.

Lead architecture and hands-on development of Microsoft's AI Safety Platform, building observability, detection, investigation, threat-hunting, and distributed data-processing capabilities. Design attack detection infrastructure, correlate high-volume telemetry, apply AI security research, conduct security and privacy reviews, and partner across engineering, science, and incident response teams. Mentor engineers and provide technical leadership for complex AI security systems.

Drive technical pre-sales engagements for Microsoft Security: build demos/PoCs, lead hands-on workshops, design secure cloud architectures, resolve technical blockers, and advise customers on improving security posture using Microsoft security products and AI-enabled solutions.

Build and operate secure, resilient distributed systems for secrets and key management across Cloudflare’s global network. Re-architect internal PKI and machine or workload identity systems, participate in on-call incident response, support internal developers, and advise engineering teams on secure system design. The role requires software development, distributed systems expertise, Linux/UNIX administration, and hands-on security implementation experience.

Own and expand CivilGrid’s security program, including SOC 2 readiness, access controls, endpoint security, threat modeling, vulnerability management, incident response, and customer security reviews. Support AWS infrastructure, GIS servers, reliability practices, observability, SLOs, on-call operations, and post-incident reviews. Partner with engineering, IT, and leadership to embed security and reliability across the SDLC and production systems.

Build, validate, deploy, tune, monitor, and retire high-confidence security detections across SIEM, endpoint, cloud, identity, SaaS, developer, and AI environments. Translate incidents, threat intelligence, hunts, and red-team findings into tested detection logic. Improve detection-as-code workflows, telemetry quality, coverage tracking, and alert context while reducing false positives. Partner with responders and security teams, conduct reviews, document operational content, and coach analysts and engineers.

Designs and reviews security architecture for Azure and AWS environments, builds security infrastructure as code, and maintains cloud, application, API, and runtime security tooling. Performs threat modeling, vulnerability remediation, IAM support, vendor security assessments, penetration-testing coordination, and incident response. The role also supports AI platform security, CI/CD security integration, documentation, risk reporting, and secure development guidance.

Own application and product security across secure development standards, code review, threat modeling, security tooling, automated testing, sensitive-data protection, and secure software integrations. Partner with engineering teams to establish authentication, authorization, secrets-management, input-validation, permission-scoping, and code-level guardrails. Build automated security scans and AI-assisted review tools, and provide security reviews and release documentation.

Design and implement security foundations for autonomous software agents, including threat modeling, execution controls, scoped permissions, service isolation, identity and token management, audit systems, secure desktop releases, and security testing. The role involves writing production code, hardening software, responding to incidents, supporting customer assessments, and addressing AI-specific threats such as prompt injection and hostile tool inputs. This is a full-time, on-site senior individual contributor position in San Francisco.

Leads technical security sales engagements for K-12 and community college customers through demonstrations, workshops, whiteboarding, hackathons, and proofs of concept. Designs secure cloud and hybrid architectures, resolves technical blockers, advises on Zero Trust, XDR, AI security, and compliance, and supports production deployments. Builds relationships with developers, platform leaders, partners, and customer success teams while promoting Microsoft security, cloud, and AI solutions.

Owns Fleetio’s corporate security operations, including detection engineering, threat hunting, SOAR automation, incident response, identity and endpoint security, email and SaaS protection, DLP, AI security, and vulnerability management. The role engineers integrations across CrowdStrike, Okta, Mimecast, Google Workspace, and other tools; leads escalated investigations; manages SOC relationships; automates response; and communicates security risks and remediation priorities to technical and business stakeholders.

Integrate security across the software development lifecycle for cloud-native mission applications. Responsibilities include secure architecture reviews, threat modeling, code review, security testing, vulnerability remediation, release authorization, DevSecOps automation, cloud and database security, risk assessment, and stakeholder communication. The role partners with software and cloud engineers using Kubernetes, containers, CI/CD pipelines, Oracle Cloud Infrastructure, and application security tools.

Protects player accounts and Riot’s service ecosystem by analyzing attacker behavior, building scalable detection systems and event-driven security services, conducting threat hunts, and improving security capabilities. The role collaborates with engineering, data, and security teams on architecture, implementation, and defensive solutions.