Demo

Mechanical Engineer

APTIM
Knoxville, TN Full Time
POSTED ON 5/25/2026
AVAILABLE BEFORE 6/24/2026

Job Summary:

APTIM is seeking mechanical engineers to join our team of engineering professionals serving our Government and Commercial programs.

Aptim is a leading provider in integrated, comprehensive services in a variety of markets and industry. We offer consulting, engineering, construction, scientific program and project management services to meet the customer needs in environmental and infrastructure markets. Our highly skilled multi-discipline teams of professionals are strategically located throughout the United States and abroad to efficiently provide safe and sustainable solutions to complex challenges faced by government, public institutions, and commercial clients.

Engineers will apply critical thinking skills to initial planning, procurement support, plan development, design, construction and commissioning phases of projects. APTIM expects our engineers to be creative problem solvers and actively look for the best way to support our varied Government and commercial clients. Engineers will often work on multiple projects simultaneously and perform other duties as required. This position will require prior knowledge of the engineering and construction industry. Understanding of basic corporate mechanisms such as scopes of work, construction safety protocols, and experience in a professional work environment. This position immediately offers opportunities to grow professionally while solving problems in the engineering and construction industry. Engineers typically serve the projects in both the field (domestic and international assignments) and the office, as necessary.

Key Responsibilities:

  • Work activities include collection and interpretation of engineering data, development of project design basis, development of specifications, and performance of detailed engineering.
  • Ensures conformance to applicable engineering codes and standards as well as company policies and procedures.
  • Development of conceptual design, calculations, system studies and design drawings.
  • Other duties include collection and interpretation of engineering data, compiling data for project reports, collecting and compiling field data as required, assisting in proposal efforts as directed, documenting technical data for management review, providing other entry level duties as assigned, assisting with preparation of labor/material estimates and design packages for clients.
  • Is aware of costs and schedule related to own work.
  • Organizes own work to meet deadlines set by others.
  • Communicates information, asks questions and checks for understanding.
  • Contributes to a team environment

Basic Qualifications:

  • Bachelors or master's degree in mechanical engineering, 2 -- 7 years related experience
  • Has basic knowledge of theories, practices and procedures in mechanical engineering.
  • Strong computer skills (Word, Excel, PowerPoint and technical engineering software, some CADD experience (AutoCAD, REVIT and/or MicroStation) along with good verbal and writing skills.
  • Nuclear experience is a plus
  • Candidates must be willing to travel for infrequent field assignments
  • Must be a US Citizen and be able to pass a background check to gain access to government facilities
  • FE and EIT candidates preferred.
  • Ability to work independently and in a diverse team setting
  • Willingness to work across Engineering disciplines
  • Strong multitasking skills
  • Strong problem-solving skills

About APTIM

APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living. A leading professional solutions firm, we specialize in environmental, sustainability, resilience, and infrastructure solutions. Our team of experts provide these integrated solutions for forward-thinking government agencies, commercial and industrial clients, and energy customers. Together, we create sustainable and resilient communities for all.

What you can expect from APTIM:

  • Work that is worthy of your time and talent
  • Respect and flexibility to live a full life at work and at home
  • Dogged determination to deliver for our clients and communities
  • A voice in making our company better
  • Investment into your personal and professional development

As of the date of this posting, a good faith estimate of the current pay range for this position is $95,000 - $120,000 Per Year. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.

Employee Benefits

APTIM Federal Services is committed to providing an extensive range of benefits that protect and promote the health and financial well-being of our employees and their families through the APTIM Benefits Marketplace https://aptim.makeityoursource.com/.

  • Medical, vision, and dental insurance: Through the marketplace, our employees can choose benefits from five metallic levels and several carriers to find the right benefits that work for them in their location.
  • Company paid and optional Life insurance
  • Short-term and long-term disability insurance
  • Accident, Critical Illness, and Hospital Indemnity coverage
  • Paid holidays, vacation, and sick leave (eligibility based on company policy and applicable law)
  • 401(k) APTIM offers three 401k plans through the Aon Pooled Employer Plan (PEP). The specific plan you are eligible for depends on the business unit you are in. The details of the largest plan are found here:
    • APTIM 401(k) Guide
    • APTIM - Helpful Documents

Watch our video:
About APTIM - In Pursuit of Better

Salary : $95,000 - $120,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

Sign up to receive alerts about other jobs with skills like those required for the Mechanical Engineer.

Click the checkbox next to the jobs that you are interested in.

  • Applied Mechanics Skill

    • Income Estimation: $79,473 - $93,666
    • Income Estimation: $91,017 - $111,627
  • Design Engineering Skill

    • Income Estimation: $75,633 - $93,991
    • Income Estimation: $77,439 - $91,585
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at APTIM

  • APTIM Tampa, FL
  • Job Overview APTIM is seeking an energetic Environmental Project Manager to join our team of engineers, scientists, and technicians who are passionately co... more
  • 1 Day Ago

  • APTIM San Diego, CA
  • Job Overview This position is primarily located at Naval Base Coronado North Island (NBCNI) and requires travel to Naval Base San Diego (NBSD), Naval Base ... more
  • 2 Days Ago

  • APTIM Concord, CA
  • Job Overview: APTIM is currently seeking a Senior Environmental Scientist in California for our Solid Waste Services Group in the Concord CA area to suppor... more
  • 2 Days Ago

  • APTIM San Diego, CA
  • Job Overview Provide comprehensive project accounting support for a fast-paced, site-based program with a strong emphasis on financial accuracy, subcontrac... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Mechanical Engineer jobs in the Knoxville, TN area that may be a better fit.

  • Gables Search Group Knoxville, TN
  • Mechanical Engineer / Pressure Vessel Engineer / ASME Engineer Greater Knoxville, TN | Full-Time | On-Site Design to ASME Section VIII. Stamp your work. Ow... more
  • 19 Days Ago

  • Atlasforge Construction LLC Knoxville, TN
  • Overall: Atlasforge Construction LLC. is rapidly growing, emerging construction firm based in Dallas-Fort Worth Metroplex, with a robust portfolio of diver... more
  • 20 Days Ago

AI Assistant is available now!

Feel free to start your new journey!