M

M.C. Dean

Designs and deploys secure mission-critical infrastructure

Mechanical Critical Facility Technician 3

HVAC & Building SystemsUpdated on Nov 11
Full-timeSan Antonio, TX, USANo salary listedIn-person

About the Job

Requirements

  • Applicants must have a high school diploma or GED or greater.
  • Applicants must have 8+ years of work experience, including 3+ years of direct experience in a critical facility operation such as a data center or hospital.
  • Applicants selected must meet eligibility requirements, including U.S. citizenship, for access to classified information and be able to obtain and maintain a Secret clearance.
  • Mechanical technicians must have experience with chillers greater than 300 tons, boilers, or significant other mechanical experience.
  • Must obtain an ACR Technician TDLR within the first year of employment.
  • Current EPA 608 certification is preferred, or must be obtained within 90 days of hire.
  • The position requires the ability to lift, carry, and move objects weighing up to 50 pounds regularly and demonstrate physical strength and stamina for tasks such as loading and unloading, operating equipment, and transporting materials while following safe lifting techniques and protocols.
  • Must relocate a 12-foot stepladder without assistance.
  • Must work at heights up to 60 feet and climb and maintain balance on scaffolds, aerial lifts, catwalks, and all types of ladders.
  • Must routinely and repetitively walk, climb, lift, squat, crawl, kneel, push, pull, and reach overhead.
  • Must have good vision, which may be corrected, the ability to see in color, and the ability to hear and communicate in English.
  • May use a standard ladder without exceeding its weight limit while carrying tools.
  • Must recognize when something is wrong or likely to go wrong.
  • Must apply general rules to specific problems to produce sensible answers.
  • Must combine information to form general rules or conclusions, including finding relationships among seemingly unrelated events.
  • Must see details at close range, within a few feet.
  • Must listen to and understand information and ideas presented through spoken words and sentences.

Responsibilities

  • Maintain and repair complex mechanical systems in data centers, hospitals, and manufacturing plants.
  • Operate, maintain, and repair complex heating, ventilation, and air conditioning systems, including chillers, boilers, CRAC/CRAH units, and air handling units.
  • Install, maintain, and repair minor plumbing systems, including pumps, valves, and piping.
  • Troubleshoot and repair mechanical equipment using hydraulic and pneumatic systems.
  • Use building management system platforms such as Niagara Tridium, Siemens, or Johnson Controls to monitor and control environmental systems.
  • Read and interpret mechanical, plumbing, and electrical diagrams to perform maintenance and repairs.
  • Use computerized maintenance management system software to track and document work orders, repairs, and maintenance activities.

Desired Qualifications

  • Current ACR Technician TDLR certification is preferred.
  • Current EPA 608 certification is preferred.

About the Company

M.C. Dean

Designs and deploys secure mission-critical infrastructure

M.C. Dean designs, builds, operates, and maintains integrated cyber-physical systems for mission-critical facilities, secure environments, and large enterprises. Its work spans electrical power, security, telecommunications, life safety, automation and controls, audio-visual, and IT systems, all coordinated through management platforms that support long-term operation and sustainability. The company works end-to-end: it engineers solutions, installs them, and then runs and maintains them to ensure continuous, secure, and resilient performance. What sets it apart is its ability to provide comprehensive, turnkey technology and infrastructure services for critical environments—combining physical systems with digital management to create secure, automated facilities. The goal is to deliver automated, secure, and resilient power and technology systems and the platforms needed to manage them over the long term.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Tysons, VA
Founded
1949

Recently Posted Jobs

Explore more opportunities at M.C. Dean

See more jobs