Senior Cybersecurity Engineer - PKMA Modernization & SATCOM

KBR Careers; El Segundo (CA); On-site; USD 149,000 - 187,000; Full time

Benefits offered by this job

401K plan with company match

Medical insurance

Dental insurance

Vision insurance

Life insurance

AD&D

Flexible spending account

Paid time off

Job summary

KBR is seeking a Senior Cybersecurity Engineer in El Segundo, CA to support PKMA modernization across ESS and space systems. You will lead systems engineering, requirements, and acquisition documentation while coordinating with NSA, Space Systems Command, and industry partners.

The role demands TS clearance, a technical degree, 7+ years in DoD/IC space programs, and strong writing and briefing skills. On-site with minimal travel, competitive compensation, and growth opportunities.

Qualifications

• 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).

Responsibilities

• 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.

Skills

Top Secret clearance

Military/DoD experience

Cybersecurity

Technical writing

Briefing skills

Microsoft Office

Systems integration

Stakeholder coordination

SBOM/contract documentation

Education

Bachelor's degree in engineering, computer science, mathematics, physics or related technical discipline

Master's degree (preferred)

Tools

Microsoft Office (Word, PowerPoint, Excel)

MBSE/CAMEO

DOORS

Job description

KBR is seeking a Senior Cybersecurity Engineer in El Segundo, CA to support PKMA modernization across ESS and space systems. You will lead systems engineering, requirements, and acquisition documentation while coordinating with NSA, Space Systems Command, and industry partners.

The role demands TS clearance, a technical degree, 7+ years in DoD/IC space programs, and strong writing and briefing skills. On-site with minimal travel, competitive compensation, and growth opportunities.