Job Details

Principal Mechanical Engineer

BAE Systems, Inc.—one of the world's largest defense contractors and a Fortune 500 Company—seeks a well‑rounded Mechanical Engineer to support design, construction, and commissioning of modernization and new construction projects at Holston Army Ammunition Plant, Kingsport, TN. The position works a 9/80 schedule with every other Friday off and follows a hybrid approach that provides on‑site collaboration and remote flexibility.

Responsibilities

• Conduct mechanical engineering and technical tasks to support design, construction, and commissioning of multi‑million dollar modernization programs, including planning, design, analysis, and engineering inputs for chemical plant facilities.
• Translate chemical engineers' process flow diagrams into mechanical equipment specifications that meet required temperature and pressure ranges.
• Provide technical oversight during field installation and commissioning of equipment.
• Work with a cross‑disciplinary team to perform plant and project engineering, select construction materials, write specifications, supervise and prepare mechanical drawings, control cost, and manage work to meet project schedules.
• Perform mechanical engineering analyses for steam, hydraulic, pumping/piping, HVAC, machinery design and layout, process cooling/heating, storage tanks, vessel design, and inspections.
• Conduct inspections of existing facilities to determine integrity and safety and recommend modifications.
• Support development of construction‑phase plans and schedules ensuring availability of materials, equipment, and personnel.
• Ensure work conforms to plans, specifications, construction practices, and cost constraints during execution.
• Create detailed project proposals, scopes of work, and estimates.
• Review and approve design packages from suppliers and design firms, providing constructability input.
• Execute commissioning plans and maintain documentation.
• Consider safety in all aspects of work and design.

Required Education, Experience, & Skills

• Clear and concise verbal and written communication.
• Bachelor's Degree in Mechanical Engineering (or a closely related degree).
• Minimum 6+ years of related experience in design, construction, and commissioning.
• Working knowledge of applicable codes and standards.
• Working knowledge of 3D design/modeling.
• Experience in at least two of the following areas: pipe stress analysis, tank and vessel design/fabrication/inspection, machine design/fabrication, pump/piping system design, commissioning plan execution.
• Self‑motivated, detail‑oriented, and able to work in a team environment.
• Capability to meet deadlines while handling multiple tasks.
• Ability to create scopes of work and estimates.
• Capability to direct design teams and external design firms.
• Proficiency with Microsoft Office Suite (Word, PowerPoint, Excel, Project).

Preferred Education, Experience, & Skills

• Experience in design and construction of chemical manufacturing facilities handling acids, bases, and solvents for energetic materials.
• Professional Engineering License.
• Pipe Stress Analysis using Caesar II.
• Finite Element Analysis and Computational Fluid Dynamics (Caesar II).
• Piping isometric drawing reviews to P&IDs.

Pay Information

Full‑Time Salary Range: $94,728 – $161,038. Individual salaries depend on business considerations, local market, internal equity, and candidate qualifications.

Benefits

Employees working 20+ hours per week receive health, dental, vision insurance, health‑savings accounts, a 401(k) plan, disability coverage, life and accident insurance, an employee‑assistance program, a legal plan, and various perks. Leave programs include paid time off, paid holidays, parental, military, bereavement, and applicable federal/state sick leave. Employees may participate in a recognition program and financial incentives.

About BAE Systems Platforms & Services

BAE Systems, Inc. is the U.S. subsidiary of the global defense, aerospace, and security company BAE Systems plc. The Platforms & Services sector delivers armored combat vehicles, naval guns, missile launchers, and ship repair, among other advanced products. Our mission is to protect lives and defend national security through cutting‑edge technology and intelligence solutions.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Defense and Space Manufacturing