Senior Model-Based Systems Engineer (MBSE)

KBR, Inc.; Carlsbad (CA); On-site; USD 115,000 - 174,000; Full time

Benefits offered by this job

401K with match

Medical coverage

Dental coverage

Vision coverage

Life insurance

Paid time off

Job summary

KBR, Inc. in Carlsbad, CA is seeking a Mid-Level Model-Based Systems Engineer (MBSE) to support a classified, all-domain mission system development program for the Department of War.

You will develop system and mission-level models informing capability design, integration, and verification within a rigorous engineering environment, onsite in a classified facility. Collaborate with multidisciplinary teams to mature architectures, perform trade studies, maintain model traceability, and support

Qualifications

• Clearance & Citizenship: Must be a US Citizen with a current TS/SCI and ability to obtain clearance prior to start date.
• Education: Bachelor’s degree in engineering, CS, mathematics, or related technical discipline.
• Experience: Minimum 5 years of experience in Model-Based Systems Engineering.
• Technical Expertise: Experience with NoMagic/Cameo suite; proficiency in SysML and system modeling.

Responsibilities

• Develop system, mission, and architecture models using SysML and MBSE best practices.
• Integrate MBSE tools to perform trade studies and analyses of alternatives.
• Establish and maintain full traceability between requirements, design, risks, schedules, and verification artifacts.
• Track MOEs and TPMs to inform engineering decisions.
• Collaborate with cross‑functional teams to mature architectures and support design reviews.
• Maintain model baselines and version control in collaborative repositories.
• Support executable models, simulations, and analytical workflows for system behavior.
• Present model products, findings, and insights to review boards and stakeholders.

Skills

SysML

OO analysis

MBSE

Python/Java/JS

Education

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

Tools

NoMagic/Cameo suite

Cameo Systems Modeler

Teamwork Cloud

Cameo Collaborator

Job description

Senior Model-BasedSystems Engineer (MBSE)

KBR’s Mission Engineering Division delivers complex technical solutions and expert support to the U.S. Department of War, specializing in modeling and simulation, cyber transformation, air vehicle mission integration, and lifecycle support. As a trusted partner with a proven history in mission technology, KBR collaborates closely with clients to develop innovative and effective solutions. With a strong ethical framework, KBR prioritizes data security, privacy, and responsible information management to ensure mission success.

Our Carlsbad, CA team isseeking a**Mid-Level Model-BasedSystems Engineer (MBSE)**to support a classifiedall-domainmission system development program for the Department of War . In this role, you will develop system and mission-level models that inform capability design, integration, and verification across a complex engineering environment. You will collaborate withmulti-disciplinaryengineering teams to perform trade studies, maturearchitectures, andmaintainmodel traceability from requirements to verification activities. Work isconducted onsitein a classified facility,where modeling rigor, analytical depth, and configuration discipline are essential.

Roles & Responsibilities

• Develop descriptive system, mission, and architecture models using SysMLand MBSE best practices.
• Integrate MBSE tools toperform trade studies, analysis of alternatives (AoA),and system performance assessments.
• Establish andmaintainfull traceability between requirements, design elements, risks, schedules, andverificationartifacts.
• Trackmeasures of effectiveness (MOEs) and technical performance measures(TPMs) to inform engineering decisions.
• Collaborate with cross‑functional engineering teams to mature system architectures and support design reviews.
• Maintain model baselines, configuration integrity, and quality using collaborative model repositories and version control tools.
• Support the development of executable models, simulations, and analytical workflows that inform system behavior.
• Prepare and present model products, findings, and technical insights to review boards and stakeholders.

Basic Qualifications

• Clearance & Citizenship: Must be a US Citizen with a currentTS/SCI.An active and transferableU.S. government-issued DODTS/SCI with the ability to obtain Special Access security clearance isrequiredprior to the start date.
• Education: Bachelor’s degree in engineering, computer science, mathematics, or related technical discipline.
• Experience: Minimum 5 years of experience inModel-BasedSystems Engineering.
• Technical Expertise: Experience with theNoMagic/Cameo suite(Cameo Systems Modeler, Teamwork Cloud, and Cameo Collaborator).ProficiencyinSysML, system modeling methodologies, and object‑oriented analysis/design.

Preferred Qualifications

• Familiarity with analytical/simulation tools (e.g., MATLAB, STK,Modelica, SciPy/SciKit‑Learn) to inform model‑driven trade space exploration.
• Experience developing executable system models (e.g., OMG‑CSMP certification or equivalent knowledge).
• Programming experience in Python, Java, or JavaScript for model automation and analysis.
• Experience working in Agile engineering environments supporting Department of War or Intelligence Community (IC) programs.
• Experience with UAF or DoDAF architecture frameworks.

Work Location

Ability to work full‑time in a classified Carlsbad, CA facility.

Additional Clearance Note

Active and transferable U.S. government-issued DODTS/SCI with the ability to obtain Special Access security clearance isrequiredprior to start date. U.S. citizenship isrequired.

Scheduled Weekly Hours

40 hours/week

Basic Compensation

$115,000-$173,580. The salaryrange postedis based on the national average. The offered rate will be based on the selected candidate’s location, knowledge, skills, abilities, and/or experience, contract affordability, and in consideration of internal parity.

Additional Compensation

KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels,perinternal policy or contractual designation.Additionalcompensation may be in the form of sign on bonus,relocationbenefits,short termincentives,long termincentives,or discretionary payments for exceptional performance.

Benefits

KBR offers a selection of competitive lifestyle benefits which could include a 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 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.