Sr. MBSE Engineer (Interim Secret w/ ability to obtain TS/SCI)

About the role

Amentum is a trusted partner to United States government agencies, allied governments, and corporations worldwide, supporting critical programs across a broad range of domains. We are currently seeking a Senior-Level Model Based Systems Engineering (MBSE) Engineer to support key programs at NSWC Crane.

Responsibilities

• Apply MBSE methodologies using SysML, and supporting MBSE tools to capture, maintain, and visualize complete system solutions within a unified digital model, enabling clear design communication and automated integration across engineering domains.
• Develop, optimize, and champion best practices and modern MBSE processes and standards for adoption into customer programs.
• Carry out technical planning, system integration, verification and validation, as well as cost, risk, supportability, and effectiveness analyses for complete systems. These analyses are conducted across all stages of the system lifecycle, including concept, design, fabrication, testing, installation, operation, maintenance, and disposal.
• Translate customer and product requirements into comprehensive system solutions through a logical, systematic process that balances technical performance, schedule, and cost constraints.
• Perform functional analysis, timeline analysis, trade studies, requirements allocation, and interface definition to establish technical baselines and provide a basis for requirements management and set-based design practices.

Requirements

• Experience with development of SysML models using Cameo Systems Modeler/MagicDraw
• Expert with Cameo Systems Modeler and associated plugins such as UPDM, Data Hub, UAF, Safety and Reliability Analyzer
• 15+ years of Systems Engineering and/or MBSE experience
• 6+ years of experience creating SysML models, analyses, and simulation using Cameo Systems Modeler
• Experience performing leadership functions within a systems engineering team

Qualifications

• Must have the ability to obtain and maintain a TS/SCI US Government Clearance. Interim Secret clearance required to start.
• US Citizenship is required to obtain a Secret/TS/SCI Clearance.

Skills

• Expert in creating and integrating requirements, structural, parametric, and behavioral models and associated simulation
• Expertise in leading and/or working with a distributed team
• Strong communications, problem-solving, and interpersonal skills

Benefits

• Health, dental, and vision insurance
• Paid time off and holidays
• Retail benefits (including 401(k) matching)
• Retirement benefits
• Education reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Pay

$180,000 - $225,000 annually

Schedule

N/A

Benefits

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting

04/29/2026 - Until Filled

Amentum

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.