Assistant Chief Engineer; Facility Engineering Manager

Overview About M.C. Dean

M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. 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, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.

Clearance Requirement: Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. Citizenship, for access to classified spaces;
Ability to obtain & maintain a TS/SCI.

License/Certification Requirement: Ability to obtain and maintain a Third Class Steam Engineers License issued by the state of Maryland, Virginia or the District of Columbia.

The Assistant Chief Engineer supports daily facility operations by ensuring safe, reliable, and compliant MEP system performance, supervising staff, enforcing standards, and leading maintenance and emergency response, assuming full responsibility in the Chief Engineer’s absence.

• Ensure proper operation and maintenance of building systems in accordance with approved procedures, manufacturer specifications, and industry best practices.
• Monitor daily maintenance activities, ensuring work is completed on schedule and meets quality standards.
• Support the execution of preventive, predictive, and corrective maintenance programs.
• Provide day‑to‑day supervision, guidance, and accountability for technicians and shift leads.
• Reinforce standards, expectations, and procedural compliance across the workforce.
• Support training and development of staff to enhance technical capabilities and operational performance.
• Provide performance feedback to the Chief Engineer to support personnel actions.
• Review CMMS (Maximo) work orders, service tickets, and operational logs for accuracy, completeness, and quality assurance.
• Ensure proper documentation of maintenance activities to support traceability and compliance.
• Identify trends and support root cause analysis through accurate data review.
• Develop, refine, and enforce standard operating procedures (SOPs) and methods of procedure (MOPs) for mission‑critical systems.
• Ensure adherence to site safety policies, regulatory requirements, and customer standards.
• Coordinate procurement of materials, parts, and services required for maintenance operations.
• Maintain inventory levels, ensuring availability of critical spare parts and consumables to prevent delays in maintenance and repairs.
• Support coordination and oversight of subcontractors performing maintenance or project work.
• Verify work is executed in accordance with approved procedures and quality standards.
• Assist in planning and scheduling work to minimize operational disruptions.
• Assist the Chief Engineer in managing daily operations, workforce performance, and maintenance execution.

Work is performed in a 24/7 mission‑critical facility environment requiring on‑call availability as needed. The role involves working in mechanical and electrical spaces, including confined areas, to support operations and maintenance activities.

• 12+years' experienceinfacilities maintenance with a high school Diploma or GED is required.
• 3+ years of experience trained and certified in the operations, maintenance and management of the BAS/EMCS/DDC systems.
• Third Class Steam Engineers License issued by the state of Maryland or Virginia or the District of Columbia required.
• Clearance Requirement:
  Applicants selected will be subject to a government security investigation to…