Mechanical Engineer

US Department of Defense - Arnold, MO4.3

JOB DESCRIPTION: Mechanical Engineers provide professional engineering services with respect to energy, energy management, reporting, equipment processes, control systems, and mechanical systems (e.g., plumbing, heating, ventilation, air-conditioning systems). They manage and coordinate facilities, design, and construction management activities. They oversee and support operations and maintenance of mechanical fac

ADDITIONAL INFORMATION: This position is a Mechanical Engineers with the Installation Operations Office, Site Management West, Facilities Engineering Branch (SIOWE) located at National Geospatial-Intelligence Agency site in St. Louis, Missouri. The primary function of the position are to plan, evaluate, and advise on activities involving mechanical engineering systems and equipment including design, layout, construction, and installation within government buildings and ensuring overall conformance with agency requirements and standards. Major Duties: 1. Performs all aspects of engineering analysis and design for projects from concept stages through final design and construction management including knowledge of applicable local and national codes and industry standards. 2. Performs design and layout of plans for Heating, Ventilation, Air Conditioning (HVAC) systems for data center facilities and office buildings. Properly size the equipment according to the facility's needs within the prescribed budget. Projects include new construction, renovations, and repairs to existing facilities. 3. Reviews and recommends approval of mechanical equipment, shop drawings, and technical data submitted by contractors to ensure conformance with plans and makes recommendations as to the suitability of new methods, if needed. 4. Reviews construction contract documents including drawings and specifications prepared by Architect-Engineers along with cost estimates for conformance with functional and customer requirements. 5. Validates projects comply with contract and customer requirements. For larger projects, able to apply life cycle cost analysis to determine the most cost effective solutions. 6. Performs other related duties as assigned and provides support to engineering staff members as required. 7. Serves as the Contracting Officer's Representative (COR) in support of the Contracting Officer to monitor contractor performance to ensure goods and services are delivered in accordance with the contract. Works with the Contracting Officer to resolve contract issues with regard to accuracy, timeliness, and cost. Documents contractor performance and monitors relevant technical information in accordance with the FAR, DFAR, and/or applicable legal standards, and administers any specific instructions received from the Contracting Officer.

Travel Required
Occasional travel - Occasional Travel Required

Supervisory status

Promotion Potential

Job family (Series)
0830 Mechanical Engineering

Similar jobs
Engineers, Mechanical
Mechanical Engineers

Conditions of Employment
US Citizenship is required.
Designated or Random Drug Testing required.
Security Investigation

As a condition of employment at NGA, persons being considered for employment must meet NGA fitness for employment standards.

  • U.S. Citizenship Required
  • Security Clearance (Top Secret/Sensitive Compartmented Information)
  • Polygraph Test Required
  • Position Subject to Drug Testing
  • Two Year Probationary Period
  • Direct Deposit Required
You must be able to obtain and retain a Top Secret security clearance with access to Sensitive Compartmented Information. In addition, you are subject to a Counterintelligence Polygraph examination in order to maintain access to Top Secret information. All employees are subject to a periodic examination on a random basis in order to determine continued eligibility. Refusal to take the examination may result in denial of access to Top Secret information, SAP, and/or unescorted access to SCIFs.

Employees with SCI access and who are under NGA cognizance are required to submit a Security Financial Disclosure Report, SF-714, on an annual basis in order to determine continued eligibility. Failure to comply may negatively impact continued access to Top Secret information, Information Systems, SAP, and/or unescorted access to SCIFs.

NGA utilizes all processes and procedures of the Defense Civilian Intelligence Personnel System (DCIPS). Non-executive NGA employees are assigned to five distinct pay bands based on the type and scope of work performed. The employee's base salary is established within their assigned pay band based on their unique qualifications. A performance pay process is conducted each year to determine a potential base pay salary increase and/or bonus. An employee's annual performance evaluation is a key factor in the performance pay process. Employees on term or temporary appointments are not eligible to apply for internal assignment opportunity notices.

This position is a DCIPS position in the Excepted Service under 10 U.S.C. 1601. DoD Components with DCIPS positions apply Veterans' Preference to preference eligible candidates as defined by Section 2108 of Title 5 USC, in accordance with the procedures provided in DoD Instruction 1400.25, Volume 2005, DCIPS Employment and Placement. If you are an external applicant claiming veterans' preference, as defined by Section 2108 of Title 5 U.S.C., you must self-identify your eligibility in our ERecruit application.

MANDATORY QUALIFICATION CRITERIA: For this particular job, applicants must meet all competencies reflected under the Mandatory Qualification Criteria to include education (if required). Online resumes must demonstrate qualification by providing specific examples and associated results, in response to the announcement's mandatory criteria specified in this vacancy announcement: 1. Knowledge of a broad range of professional engineering concepts, principles, and practices relating to mechanical design and construction in order to adapt precedents or make departures from established approaches in order to provide for specialized engineering and energy management requirements. 2. Knowledge of facility systems that include heating, ventilation, and air conditioning, plumbing, and/or central utility systems, and energy conservation methods. 3. Professional Engineer license, issued by the state board of Registration for Professional Engineering Examiners in various States, the District of Columbia, Guam, and Puerto Rico. EDUCATION REQUIREMENT: B.S. in Mechanical Engineering from a school of engineering accredited by the Accreditation Board for Engineering and Technology (ABET). PHYSICAL REQUIREMENT: Climbing, use of legs and arms; Hearing (aid permitted). ENVIRONMENTAL REQUIREMENT: Working around excessive noise, intermittent; Exposure to dust; Exposure to silica, asbestos, etc; Exposure to fumes, smoke, or gases; Working around solvents (degreasing agents); Working around grease and oils; Working around electrical energy; Working around slippery or uneven walking surfaces; Working around moving objects or vehicles; Working at heights.

DESIRABLE QUALIFICATION CRITERIA: In addition to the mandatory qualifications, experience in the following is desired:

1. Experience as a Contracting Officer Representative (COR) or other contract management experience. 2. Four plus years of experience in design, operation, and commissioning of chillers, cooling towers, air handling units, control systems, and energy conservation. 3. Working knowledge of FAR, DFAR, Non-Appropriated Funds (NAF) regulations and policies. 4. DAWIA level 1 certification in Facilities Engineering or certification. 5. Masters in Mechanical Engineering from a school of engineering accredited by the Accreditation Board for Engineering and Technology (ABET). 6. Ability to accomplish assigned tasks with minimal supervision in a fast-paced environment under pressure and tight time constraints. Ability to plan and organize work and coordinate with other engineering and architect team members and maintain good working relations.

Additional information

How You Will Be Evaluated
You will be evaluated for this job based on how well you meet the qualifications above.

Applicants are not required to submit a cover letter. The entire cover letter cannot exceed the specified limits provided in the Cover Letter field (3,000 characters). Pages exceeding this limit will not be considered. THE COVER LETTER IS RECOMMENDED BUT IS NOT REQUIRED FOR EMPLOYMENT CONSIDERATION WITH THE NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY.

APPLICANT EVALUATION PROCESS: Applicants will be evaluated for this job opportunity in three stages:

1) All applicants will be evaluated using the Mandatory Qualification Criteria,
2) Qualified applicants will then be evaluated by an expert or panel of experts using a combination of qualification criteria to determine the best-qualified candidates,
3) Best-qualified applicants may then be further evaluated through an interview process.

Applicants are encouraged to carefully review the Assignment Description, Additional Information Provided By the Selecting Official, and the Qualification Requirements; and then construct their resumes to highlight their most relevant and significant experience and education for this job opportunity. This description should include examples that detail the level and complexity of the performed work. Applicants are encouraged to provide any education information referenced in the announcement. If education is listed as a mandatory requirement, only degrees obtained from an institution accredited by an accrediting organization recognized by the Secretary, US Department of Education will be accepted.

As a condition of employment at NGA, persons being considered for employment must meet NGA fitness for employment standards.

In accordance with section 9902(h) of title 5, United States Code, annuitants reemployed in the Department of Defense shall receive full annuity and salary upon appointment. They shall not be eligible for retirement contributions, participation in the Thrift Savings Plan, or a supplemental or redetermined annuity for the reemployment period. Discontinued service retirement annuitants (i.e., retired under section 8336(d)(1) or 8414(b)(1)(A) of title 5, United States Code) appointed to the Department of Defense may elect to be subject to retirement provisions of the new appointment as appropriate. (See DoD Instruction 1400.25, Volume 300, at

All candidates will be considered without regard to race, color, religion, sex, national origin, age, marital status, disability, or sexual orientation.

NGA provides reasonable accommodations to applicants with disabilities. Applications will only be accepted online. If you need a reasonable accommodation for any part of the application and hiring process, please notify us at The decision on granting reasonable accommodation will be on a case-by-case basis.

Background checks and security clearance
Security clearance
Sensitive Compartmented Information

Drug test required

Required Documents

Required Documents

If you are relying on your education to meet qualification requirements:
Education must be accredited by an accrediting institution recognized by the U.S. Department of Education in order for it to be credited towards qualifications. Therefore, provide only the attendance and/or degrees from schools accredited by accrediting institutions recognized by the U.S. Department of Education .

Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.


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