Building Systems Technician I

The Johns Hopkins University Applied Physics Laboratory (APL), a national leader in scientific research and development, is located midway between Baltimore and Washington, DC.

Job Summary:

As a Building Systems Technician I, the incumbent will assist more senior co-workers in the installation, monitoring, and modification of building automation systems (BAS) and equipment across the Laboratory such as HVAC and mechanical controls equipment. The incumbent will monitor equipment, install field devices and perform basic BAS programming activities; and report to their supervisor any observations that may signal a change in expected performance.

The incumbent will work with other skilled service trade staff members and take instruction from their supervisor or designated functional leader. Assignments are closely supervised.


  • Maintain, monitor and modify BAS elements to manage building system operations. Program, install and maintain HVAC and mechanical control system operations. Participate in commissioning new and renovated systems to ensure design intent is achieved. (50%)
  • Troubleshoot and repair digital and pneumatic controls for building automation system components using existing documentation. Install and configure application specific controllers which includes mapping of field input and output devices. (30%)
  • • Modify pre-programmed system control routines (e.g., stopping nonessential equipment, longer or shorter run times, earlier or later start-up or shut-down of system) to meet changing requirements. Participate in Indoor Air Quality monitoring and related surveys. (20%)

Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.Required Qualifications:

  • High school diploma, or the math and language skill set equivalent to that of a high school graduate.
  • Completion of formal trade school training in at least one of the following: HVAC/R, Stationary Engineering, Electronics Technician or related discipline; or have at least two years of relevant on-the-job experience in the trade or a combination of both.
  • Ability to read and understand meters and various types of monitoring equipment such as CO2 monitors, electrical meters, and volt-ohm meters.
  • Formal training or experience in the configuration and programming of Programmable Logic Controllers or experience programming in an interpreted or a compiled programming language such as BASIC, C, ,JAVA, LISP or Python or scripted languages such as JavaScript, PHP or VBScript.
  • Possess trade-related math skills appropriate for this level of work; be able to read, write, and understand written and spoken English; and be familiar with the use of schematics and plans.
  • Possess a working knowledge of personal computers and basic applications. Demonstrated proficiency in use of Microsoft Office applications.
  • Possess a valid state-of- residence driver's license.

Desired Qualifications:

  • Familiarity with Johnson Controls Metasys software, hardware and programming.
  • Ability to apply knowledge of rules, regulations, and guidelines of applicable codes.

Special Working Conditions:

  • Working hours are 7:00AM to 3:30PM; adjusted or additional hours may be required during peak work load time and occasional weekend support for customer driven outages.
  • Use of personal protective equipment.
  • Outside work during all types of weather.
  • Occasional overtime may be required.
  • Operation of APL vehicles and industrial equipment.
  • Ability to work from ladders/scaffolding/roofs, confined spaces.
  • Lift 50 lbs.
  • Assist other trades as directed.
  • Newly-hired staff receive regularly-scheduled certification safety training as required by EPA and OSHA/MOSH in the use of MSDS, respirators, scaffolding, ladders, fall protection gear, lockout/tagout, forklifts, aerial platforms, and confined space.
  • May undergo periodic occupational physical.


Applicant selected will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.


APL offers a comprehensive benefits package including a liberal vacation plan, a matching retirement program, significant educational assistance, a scholarship tuition program for staff with dependents, and competitive salaries commensurate with skills and experience. For more information about our organization, please visit our web site at

Equal Employment Opportunity:

Johns Hopkins University/Applied Physics Laboratory (APL) is an Equal Opportunity/Affirmative Action employer that complies with Title IX of the Education Amendments Acts of 1972, as well as other applicable laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

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