Senior Cybersecurity Engineer

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

Job summary

KBR in El Segundo, CA is seeking a Senior Cybersecurity Engineer to support PKMA modernization within the Enterprise SATCOM System. You will lead systems engineering, develop requirements, and coordinate across government, contractors, and crypto stakeholders.

The role emphasizes acquisition documentation, testing, certification, and risk mitigation, with opportunities to influence technical direction and mission-critical space defense capabilities.

Qualifications

• Active TS clearance required for this position.
• Bachelor’s degree in engineering, CS, math, physics, or related field.
• 7+ years of systems engineering experience in DoD/IC/national security space.
• Experience with cryptographic systems, key management, COMSEC/TRANSEC.
• Experience creating technical requirements, SOWs, and acquisition packages.
• Strong writing and briefing skills.

Responsibilities

• Lead PKMA modernization and integration into ESS.
• Develop and review requirements, SOWs, Technical Requirements Documents, ICDs, and acquisition documents.
• Support acquisition activities for PKMA modernization contract.
• Analyze vendor inputs and provide technical recommendations.
• Develop roadmaps and dependency analyses for PKMA development, testing, deployment.
• Coordinate cryptographic key management across ground, terminal, payload, space.
• Support COMSEC/TRANSEC planning, test strategy, certification activities.
• Develop PKMA risk assessments and executive briefings.
• Participate in cyber, SATCOM, and security working groups.
• Coordinate with NSA, Space Systems Command and partners.
• Support SRR/SFR/PDR/CDR readiness reviews.
• Prepare status updates and leadership briefings.

Skills

Active Top Secret clearance

Systems engineering

Cryptographic systems

Technical writing

Acquisition documentation

Education

Bachelor's degree in engineering or related technical discipline

Job description

Senior Cybersecurity Engineer

Belong. Connect. Grow. with KBR!

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.

Why Join Us?

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.

Key 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.

Work Environment: Location: On-site Travel Requirements: Minimal Working Hours: Standard

Qualifications

Required

• 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.

KBR Benefits KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.

Belong, Connect and Grow at KBR At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together. KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law. KBR - Delivering Solutions, Changing the World. KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives. In everything we do, we are guided by our ONE KBR Values: We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company. We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals. Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. At KBR, We Deliver.