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Mechanical Test Engineer Jobs in Washington (NOW HIRING)

KeyLogic, LLC

Test Engineer

Annapolis Junction, MD · On-site

Test Engineer 2 - TS/SCI w/ Polygraph Location: Annapolis Junction (Contractor Facility) Clearance Required: Active TS/SCI with client-level polygraph Employment Type: Full-Time KeyLogic is seeking a ...

PwrQ Holdings LLC

Quality Test Engineer

Hanover, MD · On-site

$105K - $120K/yr

Bachelor's degree in Engineering (Mechanical, Electrical, Manufacturing), Applied Science, or a related field, or equivalent work experience. * Experience: 3-6 years in test engineering ...

Forgent

Quality Test Engineer

Hanover, MD · On-site

$105K - $120K/yr

Bachelor's degree in Engineering (Mechanical, Electrical, Manufacturing), Applied Science, or a related field, or equivalent work experience. * Experience: 3-6 years in test engineering ...

EverWatch

Test Engineer

Annapolis Junction, MD · On-site

They are seeking a Test Engineer to rigorously test software for national defense, create test plans, and communicate defects to the development team while automating testing processes.

MGM Transformers

Quality Test Engineer

Hanover, MD · On-site

$105K - $120K/yr

Bachelor's degree in Engineering (Mechanical, Electrical, Manufacturing), Applied Science, or a related field, or equivalent work experience. * Experience: 3-6 years in test engineering ...

Staffed4U

Test Engineer

Annapolis Junction, MD · Hybrid

Test Engineer / Automated Test Engineer Location: Annapolis Junction, MD Work Schedule: Full-Time Telework: Up to 2 days per week Clearance Required: TS/SCI with Full-Scope Polygraph Position ...

2HB Incorporated

Test Engineer

Annapolis Junction, MD · On-site

This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance. 2HB Incorporated is seeking a Test Engineer in order to support its government customer in Annapolis Junction, MD ...

Everwatch

Test Engineer

Annapolis Junction, MD · On-site

$57.69 - $67.30/hr

Job Title Test Engineer Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full ...

Everwatch

Test Engineer

Annapolis Junction, MD

$57.69 - $67.30/hr

As a test engineer on our team, you'll use your experience to work with engineers to evaluate software developed for our nation's defense create a test plan with test cases based on user stories.

2HB Incorporated

Test Engineer

Annapolis, MD · On-site

This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance. 2HB Incorporated is seeking a Test Engineer in order to support its government customer in Annapolis Junction, MD ...

Everwatch

Test Engineer

Annapolis Junction, MD · On-site

$57.69 - $67.30/hr

As a test engineer on our team, you'll use your experience to work with engineers to evaluate software developed for our nation's defense create a test plan with test cases based on user stories.

Everwatch

Test Engineer

Annapolis Junction, MD · On-site

$57.69 - $67.30/hr

As a test engineer on our team, you'll use your experience to work with engineers to evaluate software developed for our nation's defense create a test plan with test cases based on user stories.

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All JobsMechanical Test Engineer JobsMechanical Test Engineer Jobs in Washington

Mechanical Test Engineer information

See Washington salary details

$62.9K

$114K

$168.2K

How much do mechanical test engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for mechanical test engineer in Washington is $113,978.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,600.00 and $129,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a mechanical test engineer?

Mechanical Test Engineers require a solid understanding of mechanical engineering principles, test procedures, and data analysis, typically supported by a bachelor's degree in mechanical engineering or a related field. Proficiency with testing equipment, data acquisition systems, and software tools like LabVIEW or MATLAB, as well as relevant certifications such as Six Sigma or ASME, is often expected. Strong problem-solving skills, attention to detail, and effective communication are valuable soft skills in this role. These abilities are vital for designing reliable tests, interpreting results accurately, and collaborating effectively in multidisciplinary engineering environments.

Are mechanical test engineers in demand?

Mechanical test engineers are in demand due to the ongoing need for product development, quality assurance, and safety testing across industries such as manufacturing, aerospace, and automotive. They often require skills in materials testing, data analysis, and familiarity with testing equipment and standards, making their expertise valuable in engineering and quality control teams.

What are typical day-to-day responsibilities for a mechanical test engineer?

As a Mechanical Test Engineer, your daily tasks often include designing and setting up test protocols, operating testing equipment, collecting and analyzing performance data, and documenting findings to ensure product quality and safety. You'll also work closely with design, manufacturing, and quality assurance teams to troubleshoot issues and refine mechanical components or systems. Regular tasks may involve writing detailed test reports, participating in team meetings, and evaluating prototypes in compliance with industry standards. This dynamic environment provides plenty of opportunities to solve real-world engineering challenges and contribute directly to product development.

What do mechanical test engineers do?

Mechanical test engineers design, conduct, and analyze tests on mechanical components and systems to ensure they meet safety, quality, and performance standards. They use testing equipment, such as load testers and data acquisition systems, and often work in laboratory or manufacturing environments to evaluate material properties, durability, and functionality.

What is a mechanical test engineer?

A Mechanical Test Engineer is responsible for designing, conducting, and analyzing tests on mechanical components and systems to ensure performance, durability, and safety. They develop test procedures, use specialized equipment, and interpret data to verify compliance with industry standards. Their role is crucial in product development, troubleshooting, and quality assurance across industries like aerospace, automotive, and manufacturing.

What are the most commonly searched types of Mechanical Test Engineer jobs in Washington? The most popular types of Mechanical Test Engineer jobs in Washington are:
What are popular job titles related to Mechanical Test Engineer jobs in Washington? For Mechanical Test Engineer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Mechanical Test Engineer jobs in Washington look for? The top searched job categories for Mechanical Test Engineer jobs in Washington are:
What cities in Washington are hiring for Mechanical Test Engineer jobs? Cities in Washington with the most Mechanical Test Engineer job openings:
What are popular job titles related to Mechanical Test Engineer jobs in WA? For Mechanical Test Engineer jobs in WA, the most frequently searched job titles are:
Mechanical Test Engineer jobs near you
Infographic showing various Mechanical Test Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, 2% Contract, and 1% Nights. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $113,978 per year, or $54.8 per hour.

Test Engineer II/III, Mechanical

X Energy LLC

Rockville, MD • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 22 days ago

Job description

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us.
Job Description
This role is responsible for the planning, development, and execution of test activities for the advanced reactor technologies. The role will coordinate with system engineers to identify required testing, plan the necessary test program(s), oversee the entire test hardware lifecycle including development, procurement, fabrication, installation, testing, and decommissioning, and document and communicate results throughout the organization.
The role may work in a general office space (onsite/remotely via technology) and/or in a designated facility laboratory area. While performing the duties of this job, the employee must be able to talk, hear, walk, and move consistently throughout the day. May be subject to high temperatures, noises, and vibrations from generating equipment. May be subject to the handling of and exposure to hazardous chemicals. Must be able to push, pull, move, and/or lift a minimum of 25 pounds. May be required to work in cramped spaces.
Job Profile Tasks/Responsibilities
  • Help enact standard processes and best practices associated with technology maturation, test planning and execution.
  • Work with system engineers to assess system risks, identify testing needs and requirements, develop test plans & specifications, and provide oversight of test activities.
  • Support planning, design and development of test facilities, equipment and infrastructure.
  • Engage with vendors to provide technical oversight of start-to-finish testing activities, from initial concept development through test execution.
  • Provide general oversight of internal and external testing activities to verify the technical and programmatic completeness of testing performed.
  • Provide in-person supervision of test setup, installation, commissioning and execution.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Perform other duties as assigned by manager.

Job Profile Minimum Qualifications
  • Bachelor's degree in mechanical, electrical, or nuclear engineering or related degree from an accredited institution.
  • Level II: Typically, two years of experience in a test engineering role.
  • Level III: Typically, five years of experience in a test engineering role.
  • A master's degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience. A Ph.D. in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of three years of experience. Previous experience at X-energy exceeding performance standards may be in lieu of years of experience.
  • Hands on experience with hardware development, testing and experimentation.
  • Demonstrated experience with design of experiment and test planning.

Preferred Skills:
  • Background in full technology development lifecycle; design, testing and integration. Experience in development of first-of-a-kind systems preferred.
  • Broad background including hands-on mechanical, thermal, and materials testing.
  • Experience in high-pressure and high temperature systems, preferably in pneumatic-type or gas-conveying systems.
  • Experience or background in Systems Engineering.
  • Travel to vendor sites on a regular basis may be required.

Location: 530 Gaither Road, Rockville, MD
Work Schedule: 4 Days a week in office
Hours: 8:00am-5:00pm, Mon-Fri
Travel Expectation: 10%
Compensation
As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives.
Offers within the posted salary range are commensurate with the individual's qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is:
Level II: $76,089-$126,815 / Level III: $100,000-$144,000
Position Job Classification
Full time - Exempt
Benefits
X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees.
An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.
Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov)
E-Verify Participation Link: E-Verify Participation Poster English and Spanish

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