System Security Engineer Jobs

Booz Allen is hiring a System Security Engineer to protect and modernize critical government systems through vulnerability remediation, RMF execution, and cloud-based sustainment work.

Work on high-impact backend systems at a fast-moving defense tech company, developing scalable services, data pipelines, and distributed systems that support real-world operations.

Wyetech is hiring a hands-on Systems Integration Engineer to architect, deploy, and sustain RF/FORNSAT and enterprise systems for federal customers with an active TS/SCI and agency-appropriate polygraph required.

Lead the design and implementation of NGFW core system infrastructure and platform security at Palo Alto Networks, working on Linux-based systems, embedded kernel/OS features and secure platform services.

Inclusive & Diverse

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Growth & Learning

Join OpenAI’s infrastructure team as a Software Engineer to design and operate scalable CI/CD, build systems, and testing infrastructure that keep development and deployment running smoothly.

Lead technical design and development of scalable, secure enterprise AI software at a mission-driven defense contractor, providing architecture leadership and mentoring to engineering teams.

Lead a small engineering team at Evident to architect and ship AI-first SaaS features that scale enterprise third‑party risk verification.

Inclusive & Diverse

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Collaboration over Competition

Growth & Learning

Seeking a senior backend engineer to build scalable platform capabilities and integrations that enable enterprise-grade agent automations using OpenAI models.