Utility Systems Repairer Operator, WG-4742-10

Gaithersburg, Maryland
Nov 24, 2020
Dec 01, 2020
Full Time


Satisfactory completion of pre-employment medical examination is required.

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Your application package may be shared with other selecting officials at NIST with opportunities like the one you are applying to. Additional selections may be made through this vacancy.

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This position primarily works a rotating shift and can be required to perform maintenance as necessary. With minimal supervision, the incumbent performs a variety of duties assigned by the Shift Supervisor. Involved in the maintenance and operation of four high pressure steam generators (generating 44,000 pounds of steam per hour at 150 psi), two high pressure steam generators (generating 80,000 pounds of steam per hour at 150 psi), four centrifugal electric motor driven air compressors (furnishing compressed air at 110 psi), four 3500 ton electric driven York centrifugal chillers, three 3500 ton electric driven York YD chillers and all associated auxiliary equipment. Included is an 8 MW Cogeneration system consisting of a natural gas driven turbine, and a Heat Recovery Steam Generator capable of 80,000 pounds of steam per hour at 150 psi.

Typical operation duties include, but are not necessarily limited to the following; maintaining the correct steam pressure and water level in the steam generators by proper operation of the control system; inspecting feed water regulatory controls and gauges; ensuring proper combustion by maintaining the required O2 levels in the exit gasses; maintaining an established chemical program by performing tests and adding the required chemicals to each system and adjusting system blow down rates; operation of all auxiliary equipment associated with steam generation; maintaining correct air pressure by proper adjustments to the air compressors; maintaining the correct chilled water temperature by proper operation of the chillers control system; proper operation of the cooling tower and proper operation of the variable speed chilled water pumps and all associated auxiliary equipment.

Typical maintenance duties include, but are not necessarily limited to the following; troubleshooting / repair / preventative maintenance of all equipment that provides steam, chilled water and compressed air found in the Steam and Chilled Water Generation Plant. Trouble shoot / repair / preventative maintenance of small air compressors, gas furnaces, small pumps and equipment located in buildings not served by the SCWGP but fall under its responsibility. Measuring, cutting and threading pipe, cleaning turbine tubes in chiller heat exchangers and cleaning the water and fire sides of the steam generators. Troubleshoot / repair control issues associated with direct digital, pneumatic and electric.

Travel Required

Not required

Supervisory status

Promotion Potential


Conditions of Employment

  • You must be a U.S. citizen
  • You must be registered for Selective Service
  • You must be suitable for Federal Employment

Satisfactory completion of pre-employment medical examination is required.

Applicants must meet requirements by the closing date of this announcement.


There is no specific length or level of experience requirements. The applicant's overall background of experience, education and training must clearly demonstrate the ability to perform utility systems repairer operator duties, such as starting, stopping, and operating of all equipment associated with an 8MW Co-generation plant, high pressure steam boiler plant and large industrial chiller plant under the supervision of a shift supervisor or equivalent. screen out element.

While a Universal CFC certification is preferred, it is not required to apply for this position. Selectee may be required to obtain a Universal CFC certification within the first 6 months of employment.

Applicants must meet the screen out elements and achieve an overall score of at least fifty (50%) or higher

Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (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. You will receive credit for all qualifying experience, including volunteer experience.

Qualification requirements in the vacancy announcement are based on the U.S. Office of Personnel Management (OPM) Qualification Standards Handbook, which contains Federal qualification standards. This handbook is available on the OPM website located at https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/

Applicants may request reconsideration of their qualifications determination within three business days from the date their applicant status was changed. Applicants should email the Agency Contact listed in this vacancy announcement with their written request listing the announcement number; explaining why the original determination was improper; what factors were not considered; and, should provide any other pertinent information that would enable reevaluation.


Additional information

A probationary period may be required.

This position is covered by the Federal Wage System. The FWS is a uniform pay-setting system that covers Federal appropriated fund and non-appropriated fund blue-collar employees who are paid by the hour. For more information regarding the FWS, visit http://www.opm.gov/oca/wage/ .

Applying under a Special Appointing Authority (i.e., VRA , 30% or more disabled veterans , Peace Corps, Schedule A/persons with disabilities ): if you meet the minimum qualifications stated in the vacancy announcement, you will be forwarded to the selecting official for consideration and may be contacted for an interview. If two or more VRA candidates apply and one or more is a preference eligible, Veterans' preference will be applied.

Applying as a Merit Candidates:
Your responses to the job questionnaire will serve as the basis for identifying best qualified candidates. Best qualified Merit and Veterans Employment Opportunity Act ( VEOA ) eligibles (i.e., candidates in the GOLD category) will be forwarded for consideration to the selecting official and may be contacted for an interview. Non-competitive consideration will be given to those Merit candidates that have held a position with the same promotion potential as the position advertised. Documentation (in the form of an SF-50) is required to show proof of promotion potential or highest grade held.

Applying as an Agency Based candidate (i.e., outside the Federal government), your application package will be placed in one of three categories based on your responses to the assessment questions; Gold, Silver, or Bronze. Within these categories, applicants eligible for veteran's preference will receive selection priority over non-veterans. If non-veterans can be referred, the Best qualified (i.e., candidates in the GOLD category) will be forwarded for consideration to the selecting official and may be contacted for an interview. More information about the three categories can be found at: Category Rating

Applying as a CTAP or ICTAP candidate: CTAP and ICTAP candidates will be eligible for selection priority if it is determined that they have exceeded the minimum qualifications for the position by attaining at least a rating of 85 out of 100. Information regarding CTAP and ICTAP appointments and eligibility can be found at - CTAP/ICTAP

How You Will Be Evaluated

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

Your resume, optional cover letter and supporting documentation will be reviewed to determine if you meet the minimum qualifications for the position. If you meet the minimum qualifications stated in the job opportunity announcement, we will compare your resume, optional cover letter and supporting documentation to your responses on the scored occupational questionnaire (True/False, Yes/No, Multiple Choice questions). Your resume and/or optional cover letter must support your responses to the scored occupational questionnaire, or your score may be lowered.

Please ensure that your resume contains specific information such as position titles, beginning and ending dates of employment for each position, average number of hours worked per week, salary, duties performed for each position, and if the position is/was in the Federal government, you should provide the position series and grade level/pay band.

The scored occupational questionnaire will evaluate you on the following competencies; please do not provide a separate written response:

*Ability to perform USRO duties, such as those described in the duty section, without more than normal supervision
*Knowledge of equipment assembly, installation, testing, repair, etc. *Knowledge of technical practices *Ability to interpret instructions, specifications, blueprints, etc. *Ability to use measuring instruments
To preview questions please click here .

Background checks and security clearance

Security clearance
Not Required

Drug test required

Position sensitivity and risk
Non-sensitive (NS)/Low Risk

Trust determination process

Required Documents

The documents you are required to submit vary based on how you're applying (i.e., as a veteran or disabled veteran, current or former Federal employee, etc.). Please review the information on the following link to determine if there are any documents you need to provide - https://www.nist.gov/careers/information-new-employees/applying-jobs-required-forms

Failure to submit required documents, based upon how you apply, may result in loss of consideration due to an incomplete application package. It is your responsibility to ensure all required documents have been submitted. Official documents are not required at the time of application, copies are sufficient. If selected, official documentation must be submitted prior to appointment.

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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