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Mechanical Engineer Scientist Jobs (NOW HIRING)

US Department of the Air Force

$100K/yr

The primary purpose of this position is to serve as a professional mechanical engineer, performing ... Scientific Positions BASIC REQUIREMENT OR INDIVIDUAL OCCUPATIONAL REQUIREMENT: A. Degree:

USAJOBS

$100K/yr

The primary purpose of this position is to serve as a professional mechanical engineer, performing ... Scientific Positions BASIC REQUIREMENT OR INDIVIDUAL OCCUPATIONAL REQUIREMENT: A. Degree:

U.S. Department of Defense (DOD)

$100K/yr

The primary purpose of this position is to serve as a professional mechanical engineer, performing ... Scientific Positions BASIC REQUIREMENT OR INDIVIDUAL OCCUPATIONAL REQUIREMENT: A. Degree:

Defense Logistics Agency

Mechanical Engineer

Arlington, VA · On-site +1

$143K - $187K/yr

As a Mechanical Engineer you will be responsible for the following duties: * Lead and manage ... engineering science or physics: (a) statics, dynamics; (b) strength of materials (stress-strain ...

Military Sealift Command

MECHANICAL ENGINEER

Norfolk, VA · On-site +1

$56K - $84K/yr

... and Scientific Positions and Professional Engineering Positions, 0800 Basic Requirements ... mechanics, hydraulics; (d) thermodynamics; (e) electrical fields and circuits; (f) nature and ...

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$45.5K

$102.9K

$166.5K

How much do mechanical engineer scientist jobs pay per year?

As of Sep 13, 2026, the average yearly pay for mechanical engineer scientist in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What cities are hiring for Mechanical Engineer Scientist jobs?

Cities with the most Mechanical Engineer Scientist job openings:

What states have the most Mechanical Engineer Scientist jobs?

States with the most job openings for Mechanical Engineer Scientist jobs include:

What are popular job titles related to Mechanical Engineer Scientist jobs?

For Mechanical Engineer Scientist jobs, the most frequently searched job titles are:

Infographic showing various Mechanical Engineer Scientist job openings in the United States as of August 2026, with employment types broken down into 91% Full Time, 7% Part Time, 1% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $102,878 per year, or $49.5 per hour.

MECHANICAL ENGINEER

Stennis Space Center, MS • On-site

US Department of the Navy
National Security • 10K+ employees
Learn more about US Department of the Navyexternal

$89K/yr

Full-time

Posted 5 days ago

United States Navy rating

6.4

Company rating: 6.4 out of 10

Based on 381 frontline employees who took The Breakroom Quiz

Job description

You will serve as a Mechanical Engineer in the Systems Engineering Division (N71), Engineering Department (N7) of NAVOCEANO BAY ST LOUIS.Qualifications:In addition to the Basic Requirements for this position, your resume must also demonstrate at least one year of specialized experience at or equivalent to the GS-09 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following:
  • Experience applying mechanical engineering principles, practices, and skills to the analysis, design, fabrication, modification/reconfiguration, testing, and installation of complex mechanical systems/components supporting oceanographic mission survey systems.
  • Experience executing assigned products and leading teams supporting mechanical engineering efforts for mission systems.
  • Experience supporting mechanical systems on Navy vessels by applying mechanical engineering principles.
  • Experience identifying technical requirements and planning and scheduling resources to meet project objectives.
Additional qualification information can be found from the following Office of Personnel Management website:
https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/#url=List-by-Occupational-Series
https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/0800/mechanical-engineering-series-0830/
Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment.Education:Applicants must meet the following positive education qualifications requirements of the Office of Personnel Management (OPM) Qualifications Standards Manual: Applicants must posses:
Basic Requirements:
A. Degree: Engineering. To be acceptable, the program must: (1) lead to a bachelor's degree in a school of engineering with at least one program accredited by ABET; or (2) include differential and integral calculus and courses (more advanced than first-year physics and chemistry) in five of the following seven areas of engineering science or physics: (a) statics, dynamics; (b) strength of materials (stress-strain relationships); (c) fluid mechanics, hydraulics; (d) thermodynamics; (e) electrical fields and circuits; (f) nature and properties of materials (relating particle and aggregate structure to properties); and (g) any other comparable area of fundamental engineering science or physics, such as optics, heat transfer, soil mechanics, or electronics.
OR
B. Combination of education and experience -- college-level education, training, and/or technical experience that furnished (1) a thorough knowledge of the physical and mathematical sciences underlying engineering, and (2) a good understanding, both theoretical and practical, of the engineering sciences and techniques and their applications to one of the branches of engineering. The adequacy of such background must be demonstrated by one of the following:
  1. Professional registration or licensure -- Current registration as an Engineer Intern (EI), Engineer in Training (EIT)1, or licensure as a Professional Engineer (PE) by any State, the District of Columbia, Guam, or Puerto Rico. Absent other means of qualifying under this standard, those applicants who achieved such registration by means other than written test (e.g., State grandfather or eminence provisions) are eligible only for positions that are within or closely related to the specialty field of their registration. For example, an applicant who attains registration through a State Board's eminence provision as a manufacturing engineer typically would be rated eligible only for manufacturing engineering positions.
  2. Written Test -- Evidence of having successfully passed the Fundamentals of Engineering (FE)2 examination or any other written test required for professional registration by an engineering licensure board in the various States, the District of Columbia, Guam, and Puerto Rico.
  3. Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A.
  4. Related curriculum -- Successful completion of a curriculum leading to a bachelor's degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor's degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Ordinarily there should be either an established plan of intensive training to develop professional engineering competence, or several years of prior professional engineering-type experience, e.g., in interdisciplinary positions. (The above examples of related curricula are not all inclusive.)

Note: An applicant who meets the basic requirements as specified in A or B above, except as noted under B.1., may qualify for positions in any branch of engineering unless selective factors indicate otherwise.Employment Type: OTHER

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Industry

National security, national security and international affairs, public safety statistics centers and offices, guided missile and space vehicle manufacturing and public administration

Company size

10,000+ Employees

Headquarters location

Washington, DC, US

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