Mechanical Engineer

U.S. Department of the Interior
U.S. Department of the Interior

Full-time

Grand Coulee, WA, USA

Posted on Oct 8, 2026

Summary

This position is in Grand Coulee Power Office of the Bureau of Reclamation, within the Department of the Interior. The incumbent serves as an experienced mechanical engineer, providing mentorship and technical expertise for a variety of complex projects and activities at Grand Coulee Dam, the nation's largest hydropower facility, and the source of water for the Columbia Basin Project, serving irrigation water to more than 670,000 acres in Eastern Washington State.

Major Duties

At the full performance level (GS-12) the major duties of this position include, but are not limited to Technical Consultation and Guidance; Reviewing; and Engineering Analysis: Technical Consultation and Guidance: Provides technical expertise, mentorship, training, and advice to engineers, technicians, management, and internal and external stakeholders; contributes to engineering policies, technical guidelines, standards, procedures, and project objectives; and collaborates with technical teams and external partners to address complex mechanical engineering issues. Reviewing: Conducts and supports technical and peer reviews of designs, drawings, engineering analyses, specifications, cost estimates, contract documents, and related correspondence. Verifies technical accuracy, constructability, compliance with applicable policies and standards, and adherence to quality assurance requirements before documents are approved or accepted. Engineering Analysis: Performs advanced mechanical engineering studies and evaluations involving planning, data collection, modeling, risk analysis, instrumentation data, design development, diagnostic testing, commissioning, and operational support. Develops procedures and recommendations for unique or complex problems; evaluates equipment and systems; supports acceptance testing and maintenance activities; and prepares or reviews cost estimates for significant projects. At the GS-11 level, the major duties of this position include, but are not limited to Technical Consultation and Guidance; Reviewing; and Engineering Analysis Technical Consultation and Guidance: Provides technical support, guidance, and training to junior engineers, technicians, and internal partners. Assists in interpreting engineering analyses, supports team discussions, and assists senior engineers in developing technical standards and guidelines. At this level, consultation is advisory and collaborative-focused on reinforcing established policies and contributing to technical decision-making under the oversight of senior engineers. Reviewing: Conducts and assists in technical reviews and peer reviews of designs, drawings, calculations, specifications, cost estimates, and engineering analyses. Ensures technical accuracy, completeness, and adherence to applicable codes and standards. Confirms compliance with quality assurance requirements and assists in ensuring documents are ready for technical approval. Engineering Analysis: performs and coordinates engineering analyses that include technical planning, data collection, modeling, troubleshooting, and risk estimation. Provides engineering recommendations based on conventional and well-established methods. Provides analyses supporting feasibility studies, preliminary and final design work, contractor design submittals, equipment evaluations, and field acceptance testing. Assignments may involve multiple systems or complex facilities, applying established methodologies and precedents to address problems. Duties will be developmental in nature when filled below the full performance level. This is an open continuous announcement in which applications are accepted over several months and reviewed according to multiple cut-off dates. Applicants who apply by the initial cut-off date will receive first consideration. The first cut-off date is 11:59 pm ET, 10/20/2026. Applicants will have 5 days to complete the required USA Hire Assessment after receiving the assessment notice. Applications will continue to be reviewed throughout the open period; however, additional referral certificates will only be issued when a hiring official has exhausted a current certificate and/or when additional vacancies arise. Final application disposition will be completed once all positions have been filled or the announcement reaches the end of the open period stated in the announcement.

Education

This position has a mandatory education requirement. You must submit a copy of your transcript(s) to support claimed education if substituting education for experience. Transcripts must include your name, school name, grades, credit hours earned, major(s), grade point average or class ranking, and date the degree was conferred, if applicable. A typed list of courses, grades, semester/quarter hours, GPA, etc. will not be accepted. Non-submission may result in being rated not qualified for the position. Unofficial transcripts are acceptable, but if you are selected for this position and you used your education to qualify, you must provide official transcripts before you begin work. Foreign Education: To receive credit for education completed outside the United States, you must show proof that the education has been submitted to a private organization that specializes in interpretation of foreign educational credentials and such education has been deemed at least equivalent to that gained in conventional U.S. education programs. Recognition of Foreign Qualifications | U.S. Department of Education. https://www.ed.gov/about/initiatives/international-affairs/recognition-of-foreign-qualification

Requirements

Must be a U.S. Citizen or National. Appointment subject to background investigation and favorable adjudication. Males born after 12-31-59 must be registered for Selective Service. Direct Deposit participation required. Successfully pass the E-Verify employment verification check. To learn more, visit www.dhs.gov/EVerify/. As a condition of employment for accepting this position, you will be required to serve a 1-year probationary period during which your fitness and whether your continued employment advances the public interest will be evaluated. You are required to complete training, obtain and maintain a government credit card with travel and purchase authority. You must be at least (1)18 years old or (2) at least 16 years old and: (a) Have graduated from high school or been awarded a certificate equivalent to graduating from high school; or (b) Have completed a formal vocational training program; or (c) Have received a statement from school authorities agreeing with their preference for employment rather than continuing their education; or (d) Be currently enrolled in a secondary school and either work only during school vacation periods or work part-time during the school year under a formal student employment program. Certification and/or training to serve as a Federal Acquisition Certification (FAC) Contracting Officer's Representative (COR) or Grants Officer's Technical Representative (GOTR) may be required as articulated in Department and/or Reclamation policies depending on assignment. This probationary period is an extension of the appointment process and therefore requires the agency to determine if continued employment would advance the public interest, meet the organization goals and mission of the agency, and/or otherwise promote the efficiency of the service. In determining if your employment advances the public interest, the agency will consider: your performance and conduct; the needs and interests of the agency; whether your continued employment would advance organizational goals of the agency or the Government; and whether your continued employment would advance the efficiency of the Federal service. *Additional Requirements located under qualifications*

Evaluations

Your qualifications will be evaluated based on your application materials (e.g. resume, supporting documents), the responses you provide on the application questionnaire, and the result of any additional assessment(s) required for this position. Your resume must not exceed 2 pages. Only the document submitted as the "Resume" under the Documents section will be used to determine your qualifications/eligibility and for rating purposes. In the event you submit more than one resume, only the latest submission will be reviewed. Candidates will be rated and ranked using Category Rating procedures. These procedures place candidates with veteran's preference above non-preference eligibles within each category. Veterans with a service-connected disability of at least 10 percent are listed in the highest quality category, except when the position being filled is scientific or professional at the GS-09 grade level or higher. Under Category Rating, candidates will be rated and ranked into the following categories: Best Qualified - applicants possessing experience that substantially exceeds the minimum qualifications of the position including all selective factors and are highly proficient in all requirements of the job and can perform effectively in the position Well Qualified - applicants possessing experience that exceeds the minimum qualifications of the position including all selective factors and are proficient in most of the requirements of the job Qualified - applicants possessing experience that meets the minimum qualifications of the position including all selective factors and are proficient in some, but not all of the requirements of the job. You will be assessed in the following competencies (knowledge, skills, abilities, and other characteristics): Written Communication Mechanical Engineering Oral Communication Project Management Problem Solving In addition to the application and application questionnaire, this position requires successful completion of the USA Hire Assessment, if required. Current or former displaced Federal employees who are surplus, displaced, or involuntarily separated have special priority selection rights under the Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP). To be considered under CTAP/ICTAP, you must be well-qualified, score at least 85 (i.e., meet the minimum qualification requirements, including any selective placement factors; education, and experience requirements), and be able to perform the duties of the position upon entry. Veterans' preference will be based solely on the claimed preference. Your eligibility will not be changed based on the documentation provided. If you are uncertain which preference to claim, you can learn more by visiting the VetGuide. Providing false or misleading information on your resume or supporting documentation may result in removal from consideration or other action consistent with applicable federal hiring regulations. Applicants who include vulgar, offensive, or inappropriate language or information in their application package will be ineligible for further consideration for this position.

How to Apply

Please read the entire announcement and all the instructions before you begin an application. To apply for and be considered for this position, you must complete all required questionnaires, assessments and submit all required documentation as specified in the How to Apply and Required Documents section. The complete application package must be submitted by 11:59 PM (ET) on the 01/05/2027--unless otherwise stated in this vacancy announcement to receive consideration. The application process is as follows: Click the Apply Online button. Answer the questions presented in the application and attach all necessary supporting documentation. To PREVIEW the application questionnaire, select the following link: https://apply.usastaffing.gov/ViewQuestionnaire/13081957 Click the Submit Application button prior to 11:59 PM (ET) on the announcement closing date. If you are required to complete any USA Hire Assessments, you will be notified after submitting your application. The notification will be provided in your application submission screen and via email. The notification will include your unique assessment access link to the USA Hire system and the completion deadline. Additionally, in USAJOBS you can click "Track this application" to return to your assessment completion notice. Access USA Hire using your unique assessment link. Access is granted through your USAJOBS login credentials. Review all instructions prior to beginning your assessments. You will have the opportunity to request a testing accommodation before beginning the assessments should you have a disability covered under the Rehabilitation Act of 1973 as amended. Set aside at least 3 hours to take the USA Hire Assessments; however, most applicants complete the assessments in less time. If you need to stop the assessments and continue later, you can re-use your unique assessment link. Your responses to the USA Hire Assessments will be reused for one year (in most cases) from the date you complete an assessment. If future applications you submit require completion of the same assessments, your responses will be automatically reused. Visit the USA Hire Applicant Resource Center for practice assessments and assessment preparation resources. To update your application, including supporting documentation: During the announcement open period, return to your USAJOBS account, find your application record, and click Edit my application. This option will no longer be available once the announcement has closed. To view the announcement status or your application status, visit https://help.usajobs.gov/how-to/application/status. Applicants who apply under this job opportunity announcement agree to have their application, associated documents and applicable personal information shared with other Bureaus/Offices within the Department of the Interior (DOI) who have vacancies within the same occupational series, grade, full performance level and in the same geographic location(s), including within the same metro/commuting area. Applying to this announcement does not replace the need to apply to other job opportunity announcements for which you wish to receive consideration.

What to Expect Next

Please refer to your USAJOBS account for application status; the Human Resources Office cannot respond to individual status inquiries. Once your online application is submitted you will receive a confirmation notification by email. Your application will be evaluated by the Human Resources Office to determine your eligibility for the position. After the evaluation is complete, you will receive another notification regarding the status of your application. You can find your path with the Department of Interior at https://careers.doi.gov/. Any exaggeration of your experience, false statements, or attempt to conceal information may disqualify you for employment consideration. We may verify all information you provide in your resume and questionnaire responses, through reference and/or background checks, and/or verification of your education. If you are selected, you will be contacted personally by the Human Resources Office posting this announcement.

Required Documents

The following documents are required and must be submitted by 11:59 PM (ET) on 01/05/2027 - unless otherwise stated in this vacancy announcement: Resume which includes a list of all significant jobs held and duties performed, with dates in month-year format (include month/day/year format if needed for 52 weeks of experience), and indicate hours worked per week (or full-time). Your resume must clearly show how long you have held each grade/rank. Resumes must not exceed two single-sided pages and resumes longer than two pages will not be accepted. The minimum font size is 10-point for all body text. All resumes must maintain a minimum 0.5-inch margins on all sides to ensure readability and prevent excessive content compression. Including supplemental pages or attachments disguised as resume extensions are prohibited and will not be reviewed to determine your eligibility/qualifications. Your 2-page resume must contain information sufficient to make a valid determination that you fully meet the specialized experience requirements. If you have federal experience, you should include series, and grade for each position held, and if experience is part of a career ladder position, you must clearly distinguish the job duties and length of time working for each grade level. More information on how to write a Federal Resume: https://help.usajobs.gov/faq/application/documents/resume/what-to-include Complete All Required Assessment(s). All college transcript(s), if qualifying based on education. Please submit both undergraduate and graduate level transcripts, as applicable. Veterans Preference Documentation, if applicable. Veterans must submit a copy of your latest Certificate of Release or Discharge from Active Duty, DD-214 (member 4 copy) or other Documentation of Service and Separation under Honorable Conditions, as listed on the SF15. If you are a Disabled Veteran, Purple Heart Recipient, or Parent or Spouse of a Disabled or Deceased Veteran, you must submit all additional proof required by the SF15, and if applicable, a completed SF15. You may request a copy of your Department of Veterans Affairs letter from www.va.gov/records/ or call 1-800-827-1000. If you are a veteran within 120 days of discharge, you must submit signed documentation from the Armed Forces certifying: 1) your expected release/retirement from active duty, 2) under honorable conditions, 3) your pay grade/rank/rate at time of discharge, 4) dates of active-duty service, 5) any campaign or expeditionary medals received, & 6) dated within 120 days of your separation. Interagency Career Transition (ICTAP) and Career Transition Assistance Plan (CTAP): You MUST submit proof of eligibility including 1) copy of the agency notice, e.g., RIF Separation Notice, Notice of Proposed Removal, etc.; 2) SF-50s (Notifications of Personnel Action) showing career/conditional tenure competitive status, promotion potential and duty location; and 3) your most recent performance appraisal. To exercise selection priority, displaced or surplus Federal employees must be well qualified. For more information visit: USAJOBS Help Center - Career Transition Programs (CTAP, ICTAP, RPL). Failure to submit any of the above-mentioned required documents will result in loss of consideration due to an incomplete application package. It is your responsibility to ensure all required documents have been submitted. Do not submit photographs with your application package. Documents with photographs may not be seen by hiring officials - you must remove your image from all documents. Do not upload Adobe portfolio documents. Adobe portfolio documents are not viewable by our agency's staffing offices.

Other Information

Additional vacancies may be filled using this job announcement. Promotion to the full performance level is neither guaranteed nor implied and will be based solely on your ability to satisfactorily perform the work of the position, existing work at the higher grade level, and recommendation by the position's supervisor. Reasonable Accommodation (RA) Requests: If you believe you have a disability (i.e., physical or mental), covered by the Rehabilitation Act of 1973 as amended that would interfere with completing the USA Hire Competency Based Assessments, you will be granted the opportunity to request a RA in your online application. Requests for RA for the USA Hire Competency Based Assessments and appropriate supporting documentation for RA must be received prior to starting the USA Hire Competency Based Assessments. Decisions on requests for RA are made on a case-by-case basis. If you meet the minimum qualifications of the position, after notification of the adjudication of your request, you will receive an email invitation to complete the USA Hire Competency Based Assessments, based on your adjudication decision. You must complete all assessments within 48 hours of receiving the URL to access the USA Hire Competency Based Assessments if you received the link after the close of the announcement. To determine if you need a RA, please review the Procedures for Requesting a Reasonable Accommodation for Online Assessments. If otherwise eligible and qualified, you may be offered a recruitment or relocation incentive. The decision to offer an incentive will be made on a case-by-case basis and is neither promised nor guaranteed. For information visit: Recruitment Incentive or Relocation Incentive. A continued service agreement may be required if it is determined you are eligible for a permanent change in duty station (PCS), recruitment, or relocation incentive. All Department of Interior (DOI) employees, their spouses, and minor children may not acquire or retain any claim, permit, lease, small tract entry, or other rights granted by the Department in Federal lands, with limited exceptions. Additional ethics prohibitions can be found here, https://www.doi.gov/ethics/ethics-prohibitions. The duties of this position are suitable for telework and the selectee may be allowed to telework with supervisor approval.