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Maintenance Mechanic

National Park Service · Department of the Interior · Saint Louis, Missouri

💵 $33.87–$39.53 per hour (annualised at 2,087 hours)⏳ Closes Nov 12, 2026
Federal agencyWG-10
At a glance

A job with National Park Service in Saint Louis, Missouri. It pays $33.87–$39.53 per hour (annualised at 2,087 hours) at grade WG-10. Applications close on Nov 12, 2026 — 11 days left.

Working pattern
On site
Who can apply
Career transition (CTAP, ICTAP, RPL), Open to the public
Clearance
Not Required

Main duties

  • Performing Tram inspections and maintenance from a moving (cow catcher) maintenance cart which is located outside the capsules to heights up to 630 feet.
  • Providing preventive and routine maintenance to the Arch's two Tram systems.
  • Also responsible for seven elevators and two escalators.
  • Diagnosing and repairing electric motors (both alternating and direct circuit [AC and DC electrical circuit]) and control systems, Variable Frequency Drives (VFD), 125 horsepower hoist motor, governors, and door operator motors.
The original posting

Full details

About the role

You will serve as a Maintenance Mechanic in the Maintenance Division for Gateway Arch National Park.

What you will do

  • Performing Tram inspections and maintenance from a moving (cow catcher) maintenance cart which is located outside the capsules to heights up to 630 feet.
  • Providing preventive and routine maintenance to the Arch's two Tram systems.
  • Also responsible for seven elevators and two escalators.
  • Diagnosing and repairing electric motors (both alternating and direct circuit [AC and DC electrical circuit]) and control systems, Variable Frequency Drives (VFD), 125 horsepower hoist motor, governors, and door operator motors.
  • Inspecting, repairing, or replacing starters, contactors, auxiliary control circuit, magnetic and proximity switches, and other switching devices.
  • Making sensitive adjustments to capsule doors, capsule gear reducer brake and the Tram Leveling Controller (TLC), which control capsule leveling outputs.
  • Painting Tram capsules and associated equipment.
  • Lubricating and maintaining a clean condition of all pertinent parts of the Tram system.
  • Using the Tram Programmable Logic Controller (PLC) systems to monitor, troubleshoot and operate the respective Tram system.
  • Replacing bearings, sheaves, tram, and counterweight wheels when needed.
  • Shortening hoisting, governor, and compensating cables.

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 ***
  • You will be required to operate a government (or private) motor vehicle as part of your official duties; a valid driver's license is required.
  • You will be required to wear a uniform and comply with the National Park Service uniform standards.
  • A uniform allowance will be provided.
  • You may be required to work evenings, weekends, holidays, and overtime This position requires you do NOT have a fear of heights or confined spaces.
  • You may be required to work on-call, evenings, weekends, holidays, overtime and shift work.
  • 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.
  • 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.
  • Under applicable law, the employment of an individual serving a probationary or trial period automatically terminates when that period ends unless the agency affirmatively certifies, in writing, that the individual's employment should continue and that their appointment should be finalized.
  • In the absence of agency action to affirmatively certify continued employment beyond the probationary or trial period, such appointments are terminated.
  • Upon completion of your probationary period, your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest. *Additional Requirements located under qualifications*

Education

There is no substitution of education for experience for Federal Wage System (FWS) positions.

How you will be evaluated

A review of your resume and supporting documentation will be made and compared against your responses to the Assessment Questionnaire to determine if you are qualified for this job.

If your resume is incomplete or does not support the responses provided in the Assessment Questionnaire, or if you fail to submit all required documentation, you will be rated 'ineligible', 'not qualified', or your score will be adjusted accordingly. If a determination is made that you have inflated your qualifications or experience, you can lose consideration 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.

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 evaluated on the following competencies and/or job elements: Ability To Do The Work Of The Position Without More Than Normal Supervision (SCREEN OUT) Ability To Interpret Instructions, Specification, etc. (includes blueprints reading) Ability To Use and Maintain Tools and Equipment Knowledge of Equipment Assembly, Installation Repair, etc. Knowledge of materials Special Aptitude Technical Practices (theoretical precise, artistic) Use of Measuring Instruments 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.

Overstating your qualifications and/or experience in your application materials or application questionnaire may result in your removal from consideration. 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.

Documents you must provide

  • Resume which includes a list of all significant jobs held and duties performed.
  • If military or civilian, please include your rank and/or grade.
  • 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 qualification requirements.
  • More information on how to write a Federal Resume: *** Complete Required Assessment(s).
  • 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 *** or call ***.
  • 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.

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 *** 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.

Additional information

Additional vacancies may be filled using this job announcement. First time hires to the Federal government normally start at the step 1 rate.

EXPLORE Act Veteran Hiring Pilot Program The Department of the Interior has created a two-year Veteran Hiring Pilot as established by the Expanding Public Lands Outdoor Recreation Experiences (EXPLORE) Act that aims to expand employment opportunities for Veterans (and eligible transitioning Service Members).

This position has been identified as EXPLORE Act Veteran Hiring Pilot eligible. The pilot supports DOI's conservation and resource management mission by connecting qualified Veterans with career opportunities across the Department. To learn more, visit ***

Physical Demands: Must erect and climb ladders, scaffolds, and work off open structural steeling the interior of the arch legs. Must use a safety harness occasionally. In case of emergencies will have to climb 1,076 steps inside the Arch legs.

Must be able to carry a load of 75 pounds for a distance of 200 feet.

Due to structural design of the interior of the Arch, must be able to crawl through narrow passages and climb structural members which consistently vary from horizontal to vertical. Working Conditions: Conditions vary from clean, well-lighted, air-conditioned areas of the shops to the dusty, poorly lighted areas of the interior legs of the Arch.

Some locations of equipment, are under the floor of the Arch observation deck, are extremely hazardous due to the cramped and crowded conditions where the equipment is installed. Temperatures fluctuate from very hot in the summer to very cold in the winter.

While working on the pumps, consideration must be given to the possible electrical hazards, along with the wet and slippery conditions. Incumbent is required to ride the tops of elevator cars and the front of the TRAMS (cow catcher) platform which changes from horizontal to 80 degrees from level.

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, ***

How to apply

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Details on this page reflect the source posting as of Nov 2, 2026. Closing dates and salary ranges can change without notice — the official listing is always authoritative. How our coverage works.

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