Demo

Principal Mechanical Engineer

BAE Systems
BAE Systems Salary
Kingsport, TN Full Time
POSTED ON 4/4/2026
AVAILABLE BEFORE 5/4/2026

Job Description
BAE Systems, one of the world’s largest defense contractors and a Fortune 500 Company, is hiring a well rounded Mechanical Engineer to help us conceptualize, execute, and commission modernization and new construction projects at Holston Army Ammunition Plant. In this position, you will be supporting the Ordnance Systems, Inc. (OSI) Business at our Kingsport, TN facility. This position will work a 9/80 schedule with every other Friday off, and our hybrid approach provides plenty of on-site collaboration and support for new staff onboarding as well as the flexibility for working remotely some days.

In this role, you will be responsible for mechanical engineering and technical tasks to support design, construction and commissioning of multi-million dollar modernization programs. Your work will include planning, design, analysis, and engineering inputs into the construction and maintenance of chemical plant facilities. You will take process flow diagrams created by chemical engineers to specify mechanical equipment that meet required temperature and pressure ranges. You will provide technical oversight during the actual field installation and commissioning of equipment.

This position requires a high degree of technical competence regarding the broad application of mechanical engineering principles to the development of new capabilities and/or solutions to customers’ challenging modernization problems.

You will perform one or more of the following mechanical engineering functions:
  • Work with a multi-discipline engineering team to perform plant and project engineering. Select construction materials and methods, write specifications, supervise and prepare mechanical drawings, control cost, and manage work to meet project schedules
  • Perform mechanical engineering analyses for one or more of the following: steam systems, hydraulic systems, pumping / piping systems, HVAC systems, machinery design and layout, process cooling and heating systems, storage tank design and construction, vessel design and construction, inspection and repair
  • Conduct inspections of existing facilities such as buildings, equipment, and pipelines to determine the integrity and safety. Make recommendations concerning any needed modifications
  • Support development of plans and schedules for the construction phase of projects ensuring that materials, equipment, and personnel will be available to meet project schedules
  • Ensure that work is performed in accordance with plans, specifications, and good construction practices and within cost during the execution phase
  • Create detailed project proposals, scopes of work and estimates
  • Review and approve design packages from equipment suppliers and design firms providing constructability input
  • Execute commissioning plan and maintain documentation as needed
  • Consider safety in all aspects of work and design


Required Education, Experience, & Skills
o Bachelor’s Degree in Mechanical Engineering from an accredited university. We may consider a closely related degree
o Typically 6 years related experience including design, construction, and commissioning
o Working knowledge of applicable codes and standards
o Working knowledge of 3D design / modeling
o Experience in at least 2 of the following areas:
  • Perform Pipe Stress Analysis
  • Tank and Vessel Design / Fabrication Methods / Inspection & Testing
  • Machine Design / Fabrication Methods
  • Pumps / Piping System Design
  • Executing commissioning plans and maintaining documentation
o Able to communicate clearly and concisely in verbal and written communication skills
o Self-motivated with ability to work in a team environment with a high level of attention to detail
o Ability to meet required deadlines while simultaneously completing other tasks
o Ability to create scopes of work and estimates
o Ability to direct design teams and external design firms
o Review and approve design packages from equipment suppliers and design firms providing constructability input
o Ability to interface with site operations and maintenance teams
o Capable of creating required engineering documentation using Microsoft Office Suite products including Word, PowerPoint, Excel, and Project


Preferred Education, Experience, & Skills
o Experience in the design and construction of chemical manufacturing facilities that involve the use of acids, bases, and solvents for the production of energetic materials
o Professional Engineering License
o Pipe Stress Analysis using Caesar II
o Finite Element Analysis and Computational Fluid Dynamics (Caesar II)
o Piping Isometric Drawing reviews to P&IDs #LI-Hybrid #LI-JR1



Pay Information
Full-Time Salary Range: $94728 - $161038

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Platforms & Services
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

The Platforms & Services (P&S) sector under BAE Systems, Inc does the big stuff: the armored combat vehicles, naval guns, missile launchers, and ship repair…just to name a few. Our employees take pride in the work they do and why they do it. They are on the front lines every day, building our products to protect the lives of those who serve. We may be biased, but we think P&S does some of the coolest work around, and we think you will too.

Salary : $94,728 - $161,038

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