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Agricultural Research Service Maintenance Mechanic in Ames, Iowa


This position is located in the Agricultural Research Service ARS, National Centers for Animal Health, Facilities Engineering Unit in Ames, Iowa. The incumbent will perform a full range of operation, troubleshooting, and repair of building mechanical,ventilation, and air conditioning (HVAC) systems, and operates central computer-based building automation system (BAS) to monitor and control environmental conditions in office, research, and biocontainment facilities.


Ability to repair and maintain ventilation fans and blowers, heating pumps and exchangers, chilled water systems, circulation pumps, hot-air furnaces, air filter systems, humidity control equipment, and system controls.

Operate building automation systems (BAS), and its associated equipment, control sequences and how to diagnose issues with various pieces of equipment in different building systems with the use of BAS.

Maintain laboratory ventilation and exhaust systems or similar pressurization or directional airflow systems used for critical containment of rooms, spaces, and zones and complex controls sequences.

Install, replace, and repair motors, variable frequency drives, bearings, belts and piping insulation.

Weld dissimilar metals and perform sheet metal work related to maintaining HVAC systems.

Troubleshoot and monitor performance of building HVAC systems using building automation systems (BAS), air flow measurement, pressure sensing, temperature recording, and other instruments and gauges.

Research troubleshooting problems in technical operating manuals.

Skill in using hand tools such as hammers, saws, pliers, screwdrivers, wrenches and power tools such as hand drills, sanders, saber and skill saws.

Knowledge of local mechanical codes, including steam and hot water heating systems.


Conditions of Employment


In order to qualify for this position you must meet the following by the closing date of the vacancy announcement:

11/30/2020 Qualifications will be determined under the Job Element Rating System X-118C, Qualifications Standard Handbook. While a specific length of time and experience is not required for most Wage Grade positions, you must show through experience and training that you possess the best qualified level of knowledge and skill necessary to perform the duties of this position. Qualification requirements emphasize the quality of experience, not necessarily the length. The responses to the questionnaire and your resume should be in significant detail to provide the person rating your application with a good understanding of your ability to do the job, technical knowledge, work, and training experience, etc. (For example You must have the ability to perform the duties of a, Maintenance Mechanicwithout more than normal supervision (Screen Out)). Applicants who do not meet the SCREEN OUT ELEMENT will not be given further consideration. Physical Effort:

Work is done on benches, Supports, ladders, scaffolds, roof, on catwalks, in modules,manholes, ditches, around fixtures and piping which requires continuous standing,stooping, bending, climbing, working overhead in stretched, cramped and awkward positions. May lift or carry items weighing up to 75 lb., and on occasion lift items in excess of75 lb. Working Conditions:

Subject to fumes, sparks, and gases. Subject to injury and continuous exposure to hazards of cuts, bruises, noise, vibrations, burns, dust, dirt and danger from flying chips when using powered and hand tools. Subject to falls from ladders and scaffolds. Work is performed inside and outside under generally favorable conditions, but is also required to work outside in all kinds of weather. Changes clothing provided by the center while at the work duty station. May be required to shower prior to reporting to duty station and/or in accordance with entrance/exit safety protocols for specific areas of the center. Must wear a full face respirator when working in biological control areas; restrictions of facial hair may be imposed for proper use of personal protective equipment.May be called in nights and weekends to make or assist in emergency repairs. May be required to work on rotating shifts to ensure 24 hours Utility Plant coverage.


This position does not have an education qualification requirement.

Additional Information

Career Transition Assistance Plan (CTAP), Reemployment Priority List (RPL), or Interagency Career Transition Assistance Plan (ICTAP): Visit the OPM website for information on how to apply as a CTAP, RPL, or ICTAP eligible. To exercise selection priority for this vacancy, CTAP/RPL/ICTAP candidates must meet the basic eligibility requirements and all selective factors. CTAP/ICTAP candidates must be rated and determined to be well qualified (or above) based on an evaluation of the competencies listed in the How You Will Be Evaluated section. When assessed through a score-based category rating method, CTAP/ICTAP applicants must receive a rating of at least 85 out of a possible 100. This position is being concurrently announced under Merit Promotion Announcement Number ARS-M21Y-10951648-SC. Current or former Federal employees or other eligible applicants may apply to both announcements to expand all possibilities of consideration since different referral criteria apply to each type of announcement. See the above announcement for more information. Recruitment or Relocation Incentive may be authorized. Final determination to pay an incentive will be made by the hiring official at time of job offer. Security Clearance: SAC, MBI and SRA. This position requires the selectee to undergo a Special Agreement Check (SAC), Security Risk Assessment (SRA), and a full background investigation (Moderate Risk/Public Trust - Minimum Background Investigation (MBI)). Any offer made is considered a tentative job offer pending the outcome of the SAC. Retention in the position is contingent on a favorable SRA and full background investigation (MBI). The incumbent will be subject to periodic reinvestigations.This position is located in a bargaining unit.