Lead MBSE Systems Engineer
Date: Apr 22, 2026
Location: Oak Ridge, TN, Tennessee, United States
Company: HII's Mission Technologies division
Requisition Number: 28333
Required Travel: 0 - 10%
Employment Type: Full Time/Salaried/Exempt
Anticipated Salary Range: $72,254.00 - $115,000.00
Security Clearance: Ability to Obtain
Level of Experience: Senior
Employee Referral Amount: $3,500.00
Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.
Leadership Mindset at HII – Mission Technologies
Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:
- Know & Grow Your People – Commit to learning and supporting team success.
- Build Relationships – Communicate openly, collaborate well, and build trust.
- Take Ownership – Deliver on commitments and take pride in your work.
- Customer First – Focus on the mission and those we serve.
- Shape the Future – Bring ideas, curiosity, and continuous improvement.
- Act with Urgency – Take initiative and follow through with purpose.
These capabilities guide how all employees contribute to our shared success across Mission Technologies.
Job Description
Mission Technologies, a division of HII, is seeking a Lead MBSE Systems Engineer to support operations within the Directed Energy business initative. You will provide systems engineering support to the design, fabrication, testing/acceptance and delivery of systems structures, components and software. You will create and maintain system architectures, interface control documents, and technical roadmaps for directed energy technologies and ensure conversion of customer and/or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints.
We're at the forefront of developing next-generation directed energy solutions that are transforming modern defense capabilities. HII's approach to directed energy is based on a modular open systems approach (MOSA) that leverages only and always the best of what the industry has to offer to our warfighters. With our emerging state-of-the-art integration, production and test facilities, we're building the infrastructure needed to develop, integrate, assemble, test, deploy, and sustain advanced laser and microwave systems.
Join our team of innovators, product developers, and producers as we scale operations to protect our warfighters and enhance national security. This is your opportunity to work with industry-leading experts on technology that is redefining the future of defense.
Candidates can work remotely if not local to the Knoxville, TN area. Candidates will be expected to eventually relocate to the Knoxville, TN area at a future date.
Essential Job Responsibilities
• Requires a deep understanding of requirements development, architecture definition/decomposition, testing philosophies/methodologies, and verification coverage.
• Create and maintain system architectures, interface control documents, and technical roadmaps for directed energy technologies.
• Ensure conversion of customer and/or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints.
• Perform technical planning, system integration, verification and validation, evaluates alternatives including cost and risk, supportability, and analyses for total systems.
• Translate customer requirements into hardware and software specifications.
• Conduct trade studies, modeling and simulation, and performance analysis to inform design decisions and mitigate risks.
• Communicate task status with clarity and brevity.
• Identify, articulate, and manage risks.
• Manage internal and external relationships.
• Create and maintain various reports.
• Collaborate with cross-functional teams, including electrical, mechanical, software, and test engineers, to ensure a cohesive and effective system design.
• Provide technical leadership and mentorship to junior engineers, fostering a culture of innovation and excellence.
Minimum Qualifications
- 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
- Experience in Model-based Systems Engineering (MBSE)
- Experience authoring a systems engineering management plan.
- Demonstrated expertise in systems engineering lifecycle management including development of requirements, architectures, integration and validation plans within a production environment.
- Requires a deep understanding of requirements development, architecture definition/decomposition, testing philosophies/methodologies, and verification coverage.
- Experience working within government contracts.
- Technical and problem-solving intuition.
- Ability to anticipate and mitigate programmatic implications of system challenges.
- Excellent written and verbal communication skills, with the ability to communicate effectively with government stakeholders, company leadership, and technical subject matter experts in a wide range of disciplines.
- Must be able to obtain and maintain a Secret clearance
- Must be a U.S. Citizen
Preferred Requirements
- Experience working as a defense hard tech prime or major sub.
- Experience working in laser systems, power systems, or cooling systems.”
- Experience with Modular Open Systems Architecture (MOSA)
- Experience with CAMEO system engineering and requirements management software
- An active Secret clearance or higher
Physical Requirements
The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.
To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072
HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.
Why HII
We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.
Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.
Do You Need Assistance?
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.