Mechanical Engineering Summer Intern

Posted 3 Days Ago
Be an Early Applicant
Tullahoma, TN, USA
In-Office
36K-58K Annually
Internship
Security • Cybersecurity
The Role
Summer mechanical engineering intern supporting process mechanical and machine design projects for automotive and aerospace testing equipment and facilities. Duties include mechanical system design and analysis, engineering calculations, specifications, reports, 3D models and drawings, subcontractor reviews, project-site support, client coordination, and project planning. The intern works approximately 40 hours weekly for 10 weeks under experienced engineers and presents completed work to staff.
Summary Generated by Built In

Amentum Technology, Inc. Advanced Solutions group, a global engineering services company headquartered in Tullahoma, Tennessee, will offer a Mechanical Engineering internship opportunity. The opportunity will commence in the summer term of 2027 and will be awarded to an outstanding student who is majoring in mechanical engineering.


The student selected as the Amentum Advanced Solutions Scholar will work at Amentum’ Tullahoma, Tennessee office. The student will work under the supervision of a technical manager and mentor in the Process Mechanical and/or Machine Design group – groups that perform engineering design of complex testing equipment and facilities for the automotive and aerospace industries.


Intern students will work 40-hour work weeks for approximately 10 weeks during the months of June, July, and August (negotiable). Students will work on project teams under the direction of a manager and with the assistance of a mentor, are required to attend planned activities, and must make an end-of-assignment presentation to other co-ops and Amentum staff.


It is the responsibility of the selected candidate to make their own housing arrangements for the duration of the internship period.  Amentum can provide suggestions for housing options in the local area.

 

Job Duties:

  • Perform a variety of routine engineering tasks under the direction of experienced engineers to provide experience and familiarization with engineering methods, practices, and programs
  • Perform limited portions of larger more complex engineering tasks under the direction of an experienced engineer
  • Prepare computations, specifications, and reports of limited scope and complexity
  • Design and analyze mechanical systems to meet project specific and code requirements
  • May coordinate the work of drafters in the development of 3D models and 2D drawing packages
  • May review subcontractor submittals and shop drawings and provide limited support during construction at project sites
  • May coordinate and interface with clients and other disciplines – including design, presentations, design reviews, and training at the Amentum office, client office, or project site
  • May assist with project planning, budgeting, and cost estimating
  • A combination of mechanical process and machine design is anticipated

 

Eligibility:

We are looking for a creative individual with a basic understanding of mechanical and process analysis and design. To be considered for an Amentum Advanced Solutions internship position, students must meet the following criteria:


Required Qualifications:

Degree Program:       BSME or MSME

Cumulative GPA:      3.0 or higher

Current status:           Rising Sophomore or above

Area of Study:           Mechanical and/or Aerospace engineering

Coursework:              Statics, Dynamics, Strength of Materials

Outside activities:      Involvement in at least one extra-curricular activity

Other:                         Must have the right to work permanently in the United States (US Citizen)

                                   Good verbal and written communication skills

                                   Must be team-oriented

                                   Good problem-solving skills

                                   Highly self-motivated

                                   Willing to take initiative and work with minimum supervision                                   

 

Desired Qualifications:

Cumulative GPA:      3.5 or higher

Coursework:              Fluid Mechanics, Thermodynamics, Heat Transfer, Machine Design

Experience:                3D CAD, Finite Element Analysis

                                   Past internship experience is a plus

Outside activities:      Involvement in multiple extra-curricular activities – preferably to include participation on an engineering competition team

Other:                         Student should have an interest in specializing in mechanical engineering upon graduation

 

Essential Functions

Must be able to sit at a desk for long periods of time (90%)

Must be able to work at a computer for long periods of time (90%)

Occasional site visits and travel may require lifting, climbing, crawling in an outdoor environment (10%)

Special clothing/equipment and other PPE may be required during site visits (10%)

Must be able to lift 50 lbs.

Work will mainly be performed in an inside office environment (90%)

Field work may be required including outside work (10%)

Travel may be required to perform field work at project sites or to attend customer meetings (10%)

Office Environment

Office equipment/machines (computers, telephones, copiers, etc.) 90%

During travel to project site handheld equipment such as tape measures, cameras, etc. (10%)

Regular attendance is mandatory Monday thru Friday 7:30 am to 5:15 pm (100%)

Occasional overtime may be required to meeting demanding project schedules (20%)

Must take and pass a pre-employment drug and background check

       

Compensation Details:

$36,000 - $57,874.22

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.


Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance


Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

       

Original Posting:

09/04/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

       

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

Skills Required

  • Enrollment in a BSME or MSME degree program
  • Rising sophomore status or above
  • Major or area of study in mechanical and/or aerospace engineering
  • Cumulative GPA of 3.0 or higher
  • Completed coursework in Statics, Dynamics, and Strength of Materials
  • Involvement in at least one extracurricular activity
  • U.S. citizen with the right to work permanently in the United States
  • Good verbal and written communication skills
  • Team-oriented
  • Good problem-solving skills
  • Highly self-motivated and willing to take initiative with minimal supervision
  • Cumulative GPA of 3.5 or higher
  • Coursework in Fluid Mechanics, Thermodynamics, Heat Transfer, and Machine Design
  • Experience with 3D CAD and Finite Element Analysis
  • Previous internship experience
  • Participation in multiple extracurricular activities, preferably including an engineering competition team
  • Interest in specializing in mechanical engineering after graduation
  • Ability to lift 50 pounds and perform occasional site-visit field activities
  • Ability to pass a pre-employment drug and background check

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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