MILSATCOM Systems Interface Lead

KBR Careers; El Segundo (CA); On-site; USD 136,000 - 169,000; Full time

Job summary

KBR is seeking a Strategic Interfaces Systems Engineer in El Segundo, CA. The role focuses on developing and managing ICDs for cross-system interfaces between space and ground segments, coordinating with CM, ERBs/CCBs, and modeling teams to ensure alignment with cybersecurity baselines.

The candidate will provide SME support, develop interface diagrams, and lead working groups, with a requirement for an active secret clearance and 8+ years in satellite systems or DoD programs.

Qualifications

• Ability to obtain and maintain a Secret clearance is required for this position.
• 8+ years of experience in satellite systems, spacecraft development, or aerospace engineering.
• 5 years’ experience working on DoD programs.
• Direct experience developing or managing Interface Control Documents (ICDs) for complex systems.
• Strong familiarity with spacecraft subsystems (payloads, RF comms, power, GNC, thermal, propulsion, on-board Command and Data Handling).
• Ability to read and create schematics, interface diagrams, and data communication structures.
• Experience with systems engineering tools (DOORS, Cameo).
• Excellent technical writing, documentation, and communication skills.
• Strong interpersonal skills, communication (oral and written), and presentation skills
• Proficient in Microsoft Office products (Word, Excel, PowerPoint)

Responsibilities

• Develop, author, and maintain ICDs for cross-system interfaces between space and ground segments.
• Serve as the system-level ICD owner, coordinating inputs and ensuring the ICD reflects the technical baseline.
• Work with Configuration Management to prepare for ERBs and CCBs.
• Develop interface diagrams, data dictionaries, message formats, and telemetry mappings.
• Identify interface risks and drive issue resolution across teams.
• Support system integration and test activities with authoritative documentation.
• Ensure documentation complies with standards and regulatory requirements.
• Provide SME support to review Prime contract Change Proposals.
• Manage Interface Working Groups and coordinate communication among stakeholders.
• Collaborate with MSEIT modeling to align models with ICDs and requirements flowdown for cybersecurity baseline.
• Develop acquisition and technical briefings and papers for Gov’t decision making, coordinating with primes and Space Force members.

Skills

Technical writing

Communication

Presentation skills

Interpersonal skills

Microsoft Office (Word, Excel, PowerP)

Education

Bachelor's degree in engineering, computer science, or related technical field

Tools

DOORS

Cameo

Job description

KBR is seeking a Strategic Interfaces Systems Engineer in El Segundo, CA. The role focuses on developing and managing ICDs for cross-system interfaces between space and ground segments, coordinating with CM, ERBs/CCBs, and modeling teams to ensure alignment with cybersecurity baselines.

The candidate will provide SME support, develop interface diagrams, and lead working groups, with a requirement for an active secret clearance and 8+ years in satellite systems or DoD programs.