Critical Facility Technician - TS​/SCI Polygraph Security Clearance

Critical Facility Technician 2 - TS/SCI with Polygraph with Security Clearance

Overview of the company: M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber‑physical solutions for the nation's most mission‑critical facilities. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia.

• Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. citizenship, to access classified information.
• Applicant must hold an active Top‑Secret SCI with Poly graph clearance.
• Continued employment will depend on ability to meet customer security requirements, including providing a valid passport for site access.

• Ensure all electrical, mechanical, and fire/life safety equipment within the data center operates at peak efficiency.
• Perform planned preventative maintenance, daily corrective work, and emergency response to emergent issues.
• Serve as an expert technical resource reporting to a program manager, interacting with Onsite Engineering Operations (OEO) and third‑party vendors.
• Act as a focal point for all facility operations within a given data center and support operated data centers.
• Maintain data center equipment uptime better than 99.999%.
• Meet all requirements of CET1, including mechanical and/or electrical OEM factory‑specific training or experience.
• Apply safe working practices using lockout/tagout, SDS, and good housekeeping methods.
• Interpret wiring diagrams, blueprints, floor plans, construction documents, mechanical riser drawings, OEM operating and maintenance instructions, job specifications, and MOP/SOPs.
• Use hand tools and test equipment to install, troubleshoot, and repair equipment under CET2 classified procedures and log activities in CMMS.
• Assist a CET3/4 technician with classified procedures and transfer knowledge to other technicians.
• Conduct daily walkthroughs of the facility, documenting parameters such as power availability, temperature, humidity, and alarm status.
• Follow site‑specific processes and procedures: procedure creation and review standards, incident/outage reporting, PM standards, CMMS usage, and SharePoint access to CE procedures.
• Act upon all primary and secondary emergency operations plans (EOPs) and perform associated drills.
• Operate or isolate MV/LV distribution boards, breakers, UPS, generators, batteries, STS, ATS, AHUs, DX units, chillers, evaporator washer systems, CRAC units, fuel systems, ASCO systems, BMS, EPMS, and fire alarm systems.
• Navigate BMS and EPMS systems, interpret alarms, and perform controlled shutdowns/start‑ups.
• If applicable, disable and enable fire alarm control panels and systems.
• Maintain maintenance records as required by city, state, and EPA regulations.
• Interpret building codes and local/federal regulations related to installations and apply them appropriately.
• Identify required materials and parts for maintenance and procurement.
• Utilize test equipment such as infrared scanners and vibration analyzers for diagnostics.
• Diagnose heating cycles using gas pressure tests and other devices.
• Diagnose refrigeration cycles using manifold gauge sets and temperature charts.
• Understand power density and HVAC system capacities, including cooling and heat‑load calculations.

• Minimum 6+ years of experience in electrical, mechanical, and fire/life safety equipment.
• High school diploma or GED.
• Prefer:
  Journeyman Electrician License, Journeyman HVAC license, or equivalent.
• Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. citizenship, for access to classified information.
• Desired / Advantageous
  
  Qualifications:
  
  Possess a Journeyman Electrician License, Journeyman HVAC license, or equivalent.

• A competitive salary
• Medical, dental, vision, life, and disability insurance
• Paid time off
• Tuition reimbursement
• 401(k) retirement plan
• Military Reserve pay offset
• Paid maternity leave