Lead System Architect

Trinzic; El Segundo (CA); On-site; USD 126,000 - 157,000; Full time

Job summary

KBR is seeking a Lead System Architect in El Segundo, CA to lead MBSE efforts for MILSATCOM programs. You will define the MBSE strategy, maintain model architecture, and ensure traceability from mission needs to verification.

You will coordinate across government and industry teams, manage multi-tool data connectivity (Cameo, DOORS), and ensure architectural quality. This role requires active clearance and advanced MBSE expertise.

Qualifications

• Active Secret clearance required with TS/SCI eligibility.
• Bachelor’s degree in engineering, computer science, or related technical field.
• 5+ years of experience in satellite systems, spacecraft development, or aerospace engineering.
• Experience leading MBSE efforts for complex systems.
• Strong knowledge of systems engineering principles across architecture, requirements, interfaces, verification, validation, and configuration management.
• Demonstrated experience developing and managing complex system models using SysML.
• 4 years hands-on experience with Cameo Systems Modeler/MagicDraw or comparable MBSE environments.
• Experience establishing traceability among architecture, requirements, interfaces, behaviors, and verification information.

Responsibilities

• Lead MBSE activities across the program, providing technical leadership and oversight for system modeling.
• Develop and maintain the MBSE strategy, modeling approach, architecture, governance, and roadmap.
• Define and maintain the overall model architecture, standards, and patterns.
• Create and maintain integrated system models representing architecture, requirements, behaviors, interfaces, and verification relationships.
• Establish and maintain traceability between mission needs, capabilities, architecture, and verification artifacts.
• Coordinate with government organizations, contractors, and stakeholders on modeling data and integration.
• Evaluate contractor models for consistency with program objectives and standards.
• Manage data connectivity between modeling tools and requirements/data environments.
• Collaborate with requirements, interface, and verification teams to ensure coherent modeling.

Skills

Active Secret clearance

MBSE leadership

Systems engineering

Traceability

Model governance

Team coordination

Education

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

Tools

Cameo Systems Modeler/MagicDraw

IBM Rational DOORS

Job description

Job Summary

KBR is seeking a Lead System Architect to join our team in El Segundo, CA.

Title

Lead System Architect

Job Summary

KBR is seeking a Lead System Architect to join our team in El Segundo, CA. The MILSATCOM Systems Engineering, Integration and Test (MSEIT) team in support of Space Systems Command (SSC) in El Segundo is seeking an individual to provide requirements development and management support for the Military Satellite Communications (MILSATCOM) Capability area. The MILSATCOM portfolio of programs has an ongoing need for IA/Cybersecurity support, to meet the needs of our emerging next‑generation protected SATCOM. The MSEIT contract provides leading-edge Systems Engineering & Integration (SE&I) support for the U.S. Space Force’s SSC. We support the Space Force’s acquisition of state‑of-the‑art MILSATCOM systems, providing global secure, survivable, and protected communications for our nation’s warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

Responsibilities Will Include

• Serve as the Lead System Architect for MBSE, providing technical leadership, direction, and oversight for system modeling activities across the program.
• Develop and maintain the program's MBSE strategy, modeling approach, architecture, governance, and roadmap in alignment with program systems engineering objectives and Digital Engineering initiatives.
• Define and maintain the overall model architecture, including model organization, decomposition, viewpoints, relationships, naming conventions, modeling standards, and modeling patterns.
• Lead development and maintenance of integrated system models representing system architecture, requirements, behaviors, functions, interfaces, verification relationships, and other elements of the technical baseline.
• Establish and maintain traceability between mission needs, operational capabilities, system architecture, requirements, interfaces, verification activities, and supporting engineering artifacts.
• Define the approach for integrating and, where appropriate, federating models and engineering data produced by government organizations, development contractors, support contractors, and other stakeholders.
• Evaluate contractor-developed models and modeling approaches for consistency with program architecture, requirements, technical baseline objectives, and established modeling standards.
• Manage the configuration of a Teamwork Cloud database employing multiple Project Usages.
• Manage the data connectivity between Cameo System Modeler and IBM Rational DOORS.
• Work closely with requirements engineers to establish and maintain relationships and traceability between modeled architecture and authoritative system requirements.
• Work with interface engineering teams to ensure system interfaces, logical and physical connections, exchanges, and dependencies are consistently represented within the model.
• Work with verification and test organizations to incorporate verification methods, relationships, evidence, and system behavior into the modeling environment as appropriate.

Work Environment

• Location: On-site
• Travel Requirements: Minimal
• Working Hours: Standard, 40 hours per week (Full-time)

Qualifications

Required Experience:

• Active Secret clearance required with eligibility for TS/SCI
• Bachelor’s degree in engineering, computer science, or related technical field.
• 5+ years of experience in satellite systems, spacecraft development, or aerospace engineering.
• Demonstrated experience leading MBSE efforts for complex systems.
• Strong working knowledge of systems engineering principles across architecture, requirements, interfaces, verification, validation, and configuration management.
• Demonstrated experience developing and managing complex system models using SysML.
• 4 years hands‑on experience with Cameo Systems Modeler/MagicDraw or comparable enterprise MBSE environments.
• Experience developing model structures, modeling conventions, viewpoints, relationships, and reusable modeling patterns.
• Experience establishing traceability among system architecture, requirements, interfaces, behaviors, and verification information.
• Experience with model configuration management, baselining, version control, and model governance.
• Ability to assess complex system models for technical completeness, consistency, and quality.
• Ability to translate engineering concepts and system relationships into coherent model structures supporting technical decision‑making.
• Demonstrated ability to coordinate technical activities across multidisciplinary engineering teams and organizations.

Preferred Experience

• TS/SCI clearance
• 8+ years of systems engineering experience, preferably supporting space, ground, or integrated space/ground systems.
• 3 years experience serving as an MBSE Lead, Lead System Architect, Chief Modeler, or equivalent technical leadership role.
• Advanced experience with Cameo Systems Modeler/MagicDraw, SysML, model libraries, profiles, and model governance.
• Experience integrating MBSE environments with requirements management, configuration management, test/verification, or other engineering-data environments.
• Experience with system-of-systems modeling and integration of complex space and ground architectures.
• Familiarity with DoD architecture and Digital Engineering approaches.
• Experience facilitating model‑based technical reviews with government and industry stakeholders.
• INCOSE CSEP or ESEP certification, or similar systems engineering certification.
• Object Management Group Certified Systems Modeler Professional (OCSMP) Level 1 or higher

Compensation:

For El Segundo, CA only, the salary range for this position is approximately $125,700 - $157,100. The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.

Other Compensation

KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of sign on bonus, relocation benefits, short term incentives, long term incentives, or discretionary payments for exceptional performance.

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.

Ready to Make a Difference?

If you’re excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.

Belong, Connect and Grow here

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 of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

We 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.

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