Senior Space Systems ICD Engineer (MBSE Lead)

KBR Careers; El Segundo (CA); On-site; USD 183,000 - 229,000; Full time

Job summary

KBR's MSEIT team in El Segundo seeks an experienced Strategic ICD Engineer to provide Information Assurance and cybersecurity support for MILSATCOM programs, aligning MBSE models with ICDs and requirement flowdown.

You will lead interface control activities, coordinate ICWGs, review program changes, and produce authoritative documentation for DoD programs, with on-site work in a secure facility.

Qualifications

• Active TS/SCI clearance.
• Bachelor’s degree in engineering.
• 15+ years of experience in satellite systems, spacecraft development, or aerospace engineering.
• 8+ years’ experience working on DoD programs.
• 5+ years of experience developing architecture models.
• 5+ years of experience with model-based systems engineering (MBSE).
• Direct experience developing or managing Interface Control Documents (ICDs) for complex systems.
• Familiarity with spacecraft subsystems and flight hardware (e.g., avionics, payloads, RF comms, power, GNC, thermal, propulsion).
• Ability to read and create schematics, interface diagrams, and data communication structures.
• Demonstrated ability to lead a small technical team.
• Proficiency in systems engineering tools such as Cameo, DOORS, MATLAB.
• Proficiency in modeling languages such as SysML, UPDM, DoDAF.
• Excellent technical writing, documentation, and communication skills.
• Strong interpersonal skills, communication (oral and written), and presentation skills.
• Demonstrated ability to clearly articulate ideas, recommendations and options to customers, senior leaders, and stakeholders.
• Proficient in Microsoft Office products (Word, Excel, Powerpoint).
• Due to security requirements, work is required to be on-site in a secure facility.

Responsibilities

• Lead the Development of Satellite Interface Control Documents (ICDs) for spacecraft, ground systems, payloads, and cross-system interfaces in an MBSE environment.
• Work closely with the Configuration Management team in preparing for ERBs and CCBs.
• Develop interface diagrams, data dictionaries, message formats, command and telemetry mappings, and system-level interface descriptions.
• Identify interface risks and drive technical issue resolution across engineering teams.
• Support system integration and test activities by providing authoritative interface documentation and clarification.
• Ensure documentation complies with best practices, program standards, and regulatory requirements.
• Provide SME in reviewing Prime contract Change Proposals.
• Manage and coordinate ICWGs, ensuring consistent communication across stakeholders.
• Work with MSEIT modeling team to align models with ICDs and requirement flowdown.
• Develop acquisition and technical requirements-related briefings, plans, papers, and other documentation for Gov’t decision making.

Skills

MBSE

System engineering

Cameo

DOORS

MATLAB

SysML

UPDM

DoDAF

Technical writing

Leadership

Education

Bachelor’s degree in engineering

Master’s degree in engineering

Tools

Cameo

DOORS

MATLAB

Job description

KBR's MSEIT team in El Segundo seeks an experienced Strategic ICD Engineer to provide Information Assurance and cybersecurity support for MILSATCOM programs, aligning MBSE models with ICDs and requirement flowdown.

You will lead interface control activities, coordinate ICWGs, review program changes, and produce authoritative documentation for DoD programs, with on-site work in a secure facility.