Demo

Mid-Senior Model-Based System Engineering (MBSE) Systems Engineer

KBR Careers
El Segundo, CA Full Time
POSTED ON 5/23/2026
AVAILABLE BEFORE 6/20/2026
Title

Mid-Senior Model-Based System Engineering (MBSE) Systems Engineer

Belong. Connect. Grow. with KBR!

KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.

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.

KBR is seeking a Mid-Senior Model-Based System Engineering (MBSE) Systems Engineer to join the KBR team in support of a Science and Engineering Technical Support contract for the United States Space Force (USSF). This is a full-time position requiring availability for on-site access to the Aerospace complex in El Segundo CA. The Space Systems Command (SSC) Space Systems Integration Office (SSIO) Science & Engineering Technical Support team is looking for an energetic and innovative Model Based System Engineer (MBSE) Systems Engineer to focus on developing government reference and portfolio level architectures aligned with future US Space Force (USSF) force design and enabling enterprise level interoperability and flexibility. The candidate shall work side by side with SSC personnel in the performance of engineering tasks applying critical thinking concerning solutions to current threat environments for National Security Space (NSS) customers. Experience with Digital Engineering, specifically MBSE, is required to support USSF objective of being the first “digital force.” This position requires an active TS/SCI clearance. The successful candidate must also be clearable to SAP.

Key Responsibilities

In this position, you will:

  • Conduct and develop products in Working Groups that address the design/development, production, and integration of Space Control systems.
  • Build an understand of the adversarial threats-based kill chains facing US space assets.
  • Facilitate/develop/present resolution of issues related to system-of-systems integration.
  • Develop and maintain mission architecture interface requirements for Space Control programs.
  • Perform cross-mission area architecture development through the identification of potential synergies and efficiencies across multiple mission areas based off of existing roadmaps and SSC Program Directorate-developed architectures.
  • Evaluate and characterize the known trade-space and ensure requirements mapping of newly developed enterprise-level cross-mission area architectures.
  • Develop candidate architectures that resolve common functions into common/enterprise solutions and reduce the cost associated with acquiring and maintaining multiple systems to achieve the same function.
  • Collect, analyze, and report on data collected during system-of-systems integration events.
  • Develop MBSE models at all levels using Cameo and/or Sparx.

Qualifications

Required:

  • An active TS/SCI clearance is required to be considered for this position.
  • 5 years of relevant technical experience in aerospace.
  • 5-10 years of applied experience using Model-based System Engineering (MBSE) tools such as SPARX or CAMEO.
  • BS in engineering, computer science or equivalent experience
  • Independent problem solving with a variety of mission architecture systems engineering abilities, including knowledge and experience in requirements development and analysis.
  • Ability to work effectively with customers and program stakeholders and have robust written and verbal communication skills.

Desired

  • Master’s degree in engineering.
  • Experience with classified programs.
  • Mission Engineering experience is a plus.
  • Experience in Space system design, development, production and acquisition.
  • Experience with technical mentorship.
  • Object Management Group Certified Systems Modeling Professional (OCSMP) Level 1 and 2.

Work Environment

  • Location: On-site at the Aerospace Complex
  • Travel Requirements: Minimal 0-20%
  • Working Hours: Standard

Scheduled Weekly Hours

40hrs

Basic Compensation

$125 - 175k

The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.

Additional 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 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 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 of 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.

R2124094

Salary : $125,000 - $175,000

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