Mechanical Engineer - Directed Energy (Engineer Mechanical 4) - 039123
Date: May 27, 2026
Location: Knoxville, TN, Tennessee, United States
Company: HII's Mission Technologies division
Requisition Number: 28726
Required Travel: 0 - 10%
Employment Type: Full Time/Salaried/Exempt
Anticipated Salary Range: $101,354.00 - $160,000.00
Security Clearance: Ability to Obtain
Level of Experience: Senior
This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.
HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
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 hiring a Mechanical Engineer who will perform computer-aided mechanical engineering design including component design and packaging engineering, and interface design and specification, while effectively negotiating with design stakeholders and managing risks at our Knoxville, TN location.
The ideal applicant will have strong communication skills to negotiate design characteristics among engineers, suppliers, and program management.
Essential Job Responsibilities
- Analyze and solve complex mechanical engineering problems.
- Collaborate with multidisciplinary teams to develop and implement innovative mechanical solutions.
- Contribute to the overall product architecture design.
- Identify, articulate, and manage risks associated with mechanical, thermal, electrical, and optical systems.
- Communicate effectively with internal and external stakeholders, including customers and technical experts
- Track and drive tasks through to completion, ensuring alignment with project goals and timelines
- Develop and manage internal and external relationships
Minimum Qualifications
- 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; or 4 years relevant experience with PhD or Juris Doctorate in related field.
- Strong oral and written communication skills.
- Self-motivated with strong work ethic.
- Ability to think critically and problem solve in a fast-paced environment
- Ability to translate requirements into tasks and completed designs.
- Ability to anticipate and develop mitigations for technical program risks.
- Ability to perform fundamental analysis working from first principals.
- Experience with SolidWorks CAD tools.
- Experience with geometric dimensioning and tolerancing.
- Experience with fabrication and methods of manufacture.
- Strong systems thinking and ability to understand complex product architectures.
- Adaptability and willingness to learn new technologies and methodologies.
- Clearance: Must have the ability to obtain and maintain a US Secret clearance.
Preferred Requirements
- Experience engineering hardware for Department of Defense.
- Experience with SolidWorks Product Data Management.
- Experience with FEA and CFD analysis.
- Master’s degree in mechanical engineering.
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.