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Mechanical System Engineer Jobs in Tennessee (NOW HIRING)

Senior Mechanical Design Engineer

Oak Ridge, TN ยท On-site

$86K - $118K/yr

Perform mechanical system evaluations, basic calculations, and assist with equipment and material selections. * Support coordination efforts between engineering disciplines, project managers ...

If you're ready to deploy your 8+ years of engineering experience and expertise in mechanical systems across a diverse range of exciting projects, we invite you to come aboard and become a vital ...

This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project ...

This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project ...

This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project ...

This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project ...

Senior Mechanical Engineer

Oak Ridge, TN ยท On-site +1

$99K - $131K/yr

This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project ...

New

Senior Mechanical Engineer

Oak Ridge, TN ยท On-site

$99K - $131K/yr

This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project ...

Showing results 21-40

Mechanical System Engineer information

See Tennessee salary details

$57.6K

$100.1K

$138K

How much do mechanical system engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for mechanical system engineer in Tennessee is $100,115.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,000.00 and $119,400.00 per year, depending on experience, location, and employer.

What does a mechanical system engineer do?

A Mechanical System Engineer designs, develops, and oversees the installation and maintenance of complex mechanical systems in various industries. Their work often involves integrating mechanical components with electrical and software systems to ensure the overall functionality and efficiency of machines or equipment. They may be responsible for tasks such as performing simulations, analyzing system performance, troubleshooting issues, and collaborating with multidisciplinary teams. Mechanical System Engineers play a critical role in industries like automotive, aerospace, manufacturing, and energy. Their expertise ensures that mechanical systems operate safely, reliably, and efficiently.

What are the key skills and qualifications needed to thrive as a mechanical system engineer, and why are they important?

To thrive as a Mechanical System Engineer, you need a solid background in mechanical engineering principles, system design, and problem-solving, typically supported by a bachelor's degree in mechanical engineering or a related field. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and industry certifications like PE (Professional Engineer) are often required. Strong analytical thinking, teamwork, and effective communication skills help distinguish top performers in this role. These skills ensure efficient design, implementation, and maintenance of complex mechanical systems, leading to reliable project outcomes and innovation.

What are some common challenges mechanical system engineers face when working on multidisciplinary projects?

Mechanical System Engineers often collaborate closely with electrical, software, and civil engineers on multidisciplinary projects. A common challenge is ensuring effective communication between teams, as each discipline may use different technical language and have varying priorities. Managing integration issues and aligning timelines across departments can also be demanding. To overcome these challenges, Mechanical System Engineers typically participate in regular cross-functional meetings and use collaborative project management tools to ensure alignment and successful project delivery.

What is the difference between Mechanical System Engineer vs Mechanical Design Engineer?

AspectMechanical System EngineerMechanical Design Engineer
Primary FocusDeveloping and integrating mechanical systems within larger projectsCreating detailed mechanical component and product designs
Work EnvironmentSystems integration, testing, and validation in manufacturing or engineering firmsDesign studios, CAD modeling, and prototype development
Required CredentialsBachelor's in Mechanical Engineering, relevant certificationsBachelor's in Mechanical Engineering, CAD certifications

Mechanical System Engineers focus on integrating and managing entire mechanical systems, while Mechanical Design Engineers concentrate on designing specific components. Both roles often collaborate but serve different stages of product development and system integration.

What cities in Tennessee are hiring for Mechanical System Engineer jobs?

Cities in Tennessee with the most Mechanical System Engineer job openings:

Infographic showing various Mechanical System Engineer job openings in Tennessee as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $100,115 per year, or $48.1 per hour.

Mid-Career Mechanical Systems Engineer (Multiple Openings)

BNH

Arnold Air Force Base, TN โ€ข On-site

$95K - $131K/yr

Full-time

Re-posted yesterday


Job description

Overview

Job Title: Mechanical Systems Engineer

Location: Arnold AFB, TN

Job Family Code: O-Engineering

Function/Branch: Engineering / Multiple Areas

Directorate: Test Operations

Position Type: Regular Full-Time

Pay Type: Exempt

Sponsorship: Position Not Sponsored.

Grade: L08 (OA0815) – L09 (OA0915)

Salary Range: Grade 08: $95,400 - $131,000; Grade 09: $114,600 - $157,600 / year

Overview

Beyond New Horizons, LLC (BNH) has multiple openings for Mechanical Systems Engineers supporting the Test Operations and Sustainment contract in various ground test and plant facilities at Arnold Engineering Development Complex at Arnold AFB, TN. These mechanical engineers will be working as part of an integrated team responsible for maintaining and sustaining the United States Air Force Test Operations and Sustainment efforts.

Open to internal and external candidates.

Job Summary

NOTE: This posting is specifically for those with 5 to 10 years’ of post degree engineering experience.
As a valuable member of our team, you would directly impact the ability to conduct ground testing of airframes, engines, or other aerospace systems by executing system engineering responsibilities overseeing installation, operation, maintenance, troubleshooting, repairs, and upgrades of major mechanical equipment to ensure test readiness to meet customers’ requirements. These systems could be large motors, compressors, hydraulic pumps, heaters, dryers, and other related industrial equipment.

Job Duties:

Some of the specific duties of a mechanical systems engineer include:

  • Respond when systems malfunction, troubleshooting and directing corrective maintenance activities (or calling in the appropriate systems engineer for additional support) ensuring a timely return to service
  • Update and maintain system documentation for systems of responsibility
  • Work with multiple organizations such as design engineering, fabrication shops, DoD client, and other contractors
  • Develop with Asset Health Assurance personnel advanced maintenance plans
  • Conduct and write up system safety hazard analyses and write clear work instructions for operation and maintenance
  • Assess and communicate risks to stakeholders
  • Develop estimates for improvement projects
  • Work with planners, schedulers, and craft supervisors to safely plan and execute projects including maintenance work, upgrades, and test projects
  • Assist craft personnel with troubleshooting and overseeing their work; provide technical leadership and guidance
  • It is a condition of employment to wear company issued Personal Protective Equipment (PPE) in accordance with supervisory direction and company policy
  • Perform other related duties as required

Basic Qualifications:

  • BS degree in mechanical engineering from an accredited college or university
  • Grade 08: A minimum of 5 years’ engineering experience
  • Grade 09: A minimum of 8 years’ engineering experience
  • Must be able to obtain and maintain a Department of Defense Secret level security clearance and access to the AEDC local area network
  • Due to Air Force Security requirements, U.S. Citizenship is required for employment at AEDC

Preferred Qualifications

  • Practical experience operating, maintaining, troubleshooting, and sustaining mechanical systems
  • Ability to perform in a dynamic working environment with flexibility to meet mission demands
  • Demonstrated experience and ability to successfully work independently and collaboratively with a team
  • Strong organizational skills to track and facilitate progress on projects
  • Demonstrated proactiveness and initiative to drive to results
  • Exhibits strong level of technical curiosity and desire to seek understanding
  • Strong interpersonal skills, strong written and oral communications skills, and confidence leading small teams
  • Participates in and fosters a work environment that is based upon openness, trust, communication, teamwork, empowerment, innovation, and satisfaction
  • Active Department of Defense Secret Security Clearance

What We Offer

  • Competitive salaries
  • Continuing education assistance
  • Multiple healthcare benefits packages
  • 401K with employer matching
  • Paid time off (PTO) along with a federally recognized holiday schedule

Who We Are

Beyond New Horizons (BNH) is a fully populated joint venture of Astrion and Fluor Federal Services, Inc. formed to provide unmatched Test Operations and Sustainment services for the Arnold Engineering Development Complex.

We chose our name to serve as an enduring reminder of our commitment to AEDC’s rich aerospace research and development legacy anchored in AEDC’s Toward New Horizons founding study and the unprecedented opportunities to greatly expand AEDC’s capabilities and capacity Beyond those existing today. Leveraging the capabilities of our parent companies, BNH specializes in testing and evaluation for military and space systems combined with proven capability in large-scale Government program management, integration, engineering, and construction services for specialized and technically advanced high-hazard facilities.

Join our Team!

U.S. Citizenship is required. At this time BNH will not sponsor any applicants for employment authorization or offer any immigration related support for this position (i.e. H1b, F1 OPT, F-1 STEM OPT, F-1 CPT, J-1, E-2, E-3, L-1, or other forms of work authorization that require immigration support from an employer).

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations and refers to the amount BNH is willing to pay at the time of this posting. Salaries for part-time jobs will be adjusted based upon the number of hours agreed to work.

Grade 08: $94,000 - $128,000; Grade 09: $112,000 - $155,000 / year at location Arnold AFB, TN

BNH is an Equal Employment Opportunity Employer. We provide equal employment opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, veteran status, and any other grounds for discrimination prohibited by applicable law.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training