> Markdown version of [/jobs/ext/2281574-senior-cybersecurity-engineer](https://www.wearedevelopers.com/jobs/ext/2281574-senior-cybersecurity-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Cybersecurity Engineer - **Company:** KBR Inc - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $149,400.0 - $186,700.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Systems Engineering, JIRA, Cyber Security, Network Interface Controllers, Design of User Interfaces, Key Management, Microsoft Office, Public Key Infrastructure, Microsoft PowerPoint, Satcom, Requirements Management, Systems Integration, Strategies of Testing, Information Technology - **Published:** August 28, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3367836289&tx=FK5956FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role KBR is seeking a highly motivated Senior Cybersecurity Engineer to support modernization and integration of the Protected Key Management Architecture (PKMA) capability within the Enterprise SATCOM System. The successful candidate will provide systems engineering, acquisition, cryptographic key management, requirements, integration planning, and stakeholder coordination support across government, contractor, and national-level crypto stakeholders. This role supports ongoing PKMA modernization activities, FOPR/SOW documentation, COMSEC/TRANSEC risk mitigation, dependency planning, testing, certification, and ESS integration milestones., * Active Top Secret clearance required for this position * Bachelor's degree in engineering, computer science, mathematics, physics, or related technical discipline * 7+ years of systems engineering experience supporting DoD, Intelligence Community, or national security space programs * Experience with cryptographic systems, key management infrastructure, COMSEC, or TRANSEC operations * Experience developing technical requirements, SOWs, acquisition packages, and engineering documentation * Experience supporting large-scale system integration efforts * Strong technical writing and briefing skills * Proficient in Microsoft Office (Word, PowerPoint, Excel) Preferred * Master's degree in engineering or related discipline * Experience with SATCOM, AEHF, ESS, EHF, or strategic communications systems * Knowledge of PKI, KMI, PKMA, or enterprise key management architectures * Experience supporting NSA-certified cryptographic systems * Familiarity with MBSE/CAMEO, DOORS, Jira, or engineering toolsets * Experience supporting acquisition strategy, source selection, and contract execution * Certification in systems engineering, such as INCOSE CSEP or ESEP * Certification such as CISSP, CEH * Requirements management * Technical baseline management * Interface development and ICD adjudication * Risk management * Digital engineering * Cybersecurity engineering * Executive communications * Cross-functional team leadership The PKMA modernization effort is a critical dependency for future ESS cryptographic capabilities, including key delivery, ECU integration, COMSEC/TRANSEC operations, and enterprise SATCOM resilience. The selected candidate will directly influence technical direction, acquisition execution, integration success, and risk posture for this modernization effort. Basic Compensation: $149,400 - $186,700 in El Segundo CA The offered rate will be based on the selected candidate's knowledge, skills, abilities and/or experience and in consideration of internal parity. ## Description * Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. * Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. * Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense., * Lead systems engineering activities supporting PKMA modernization and integration into ESS. * Develop and review technical requirements, Statements of Work, Technical Requirements Documents, Interface Control Documents, and acquisition documentation. * Support Fair Opportunity Proposal Request, Request for Information, and other acquisition package activities for the PKMA modernization contract. * Analyze vendor or contractor inputs and provide clear technical recommendations to government and program leadership. * Develop technical roadmaps and dependency analyses supporting PKMA development, integration, testing, certification, and deployment. * Coordinate cryptographic key management requirements across ground, terminal, payload, and space segment stakeholders. * Support COMSEC/TRANSEC planning, test strategy, certification planning, and integration activities. * Develop PKMA-related risk assessments, mitigation plans, and executive-ready briefings. * Participate in key management, cyber engineering, SATCOM, and security working groups. * Coordinate with NSA, Space Systems Command, mission partners, contractors, and system developers. * Support technical baseline reviews including SRR, SFR, PDR, CDR, and integration readiness activities. * Prepare concise status updates, program briefings, and decision-support materials for leadership. ## Related Videos - [Developing the Rich Text Editor for DeepL.com](https://www.wearedevelopers.com/videos/1172-developing-the-rich-text-editor-for-deepl-com) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)