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M.C. Dean

Designs and deploys secure mission-critical infrastructure

Mechanical Operations & Engineering Manager

Facilities ManagementConfirmed live in the last 24 hours
Full-timeWashington, DC, USA$104.2k - $130.3k /yrIn-person

About the Job

Requirements

  • A high school diploma and a minimum of 10 years of experience.
  • A bachelor's degree in Mechanical, Electrical, or Civil Engineering; Facilities Management; Construction Management; or a related technical field, or equivalent experience in lieu of the degree, with 5 or more years of progressive experience in facilities operations, engineering, or maintenance management, including complex or mission-critical facilities.
  • Demonstrated leadership experience managing multidisciplinary teams, including engineering, maintenance, trades, and subcontractors.
  • Expert-level knowledge and field experience with HVAC and mechanical systems.
  • Strong knowledge of other building systems.
  • Experience with preventive and predictive maintenance programs, asset management, and reliability-centered maintenance.
  • Planning and management acumen, including labor forecasting, scheduling, cost controls, vendor management, and performance monitoring and reporting.
  • Working knowledge of codes, standards, and compliance requirements.
  • Proficiency with computerized maintenance management system (CMMS) platforms, work management systems, and performance tracking tools.
  • Must meet eligibility requirements, including U.S. citizenship, for access to classified information; HSPD-12 and Secret Clearance are required.
  • Ability to work with computer screens and sit for extended periods.
  • Ability to reach by extending hands or arms in any direction.
  • Finger dexterity to manipulate objects, such as using a keyboard.
  • Ability to listen to and understand spoken information and ideas.
  • Ability to communicate information and ideas verbally so others understand.
  • Ability to read and understand written information and ideas.
  • Ability to apply general rules to specific problems to produce sensible answers.
  • Ability to identify and understand another person's speech.

Responsibilities

  • Serve as the site's lead mechanical subject matter expert, ensuring the performance, reliability, and technical integrity of mechanical systems.
  • Support mission-critical and facility operations through advanced troubleshooting, system optimization, and technical oversight of vendors across HVAC, chilled water, steam, and hydronic systems.
  • Serve as the primary subject matter expert for chilled water systems, cooling towers, condenser water systems, steam and hydronic systems, and HVAC equipment including air handling units, fan coil units, variable air volume systems, and computer room air handlers.
  • Evaluate system performance, identify deficiencies, assess operational risks, and support system stabilization and performance improvement efforts.
  • Lead diagnosis of complex mechanical and controls-related issues, including chiller and cooling tower instability, hydronic flow imbalances, and building automation system sequence misalignment.
  • Develop and document root cause analyses, corrective actions, and preventative recommendations to improve system reliability.
  • Provide technical oversight of mechanical vendors and contractors by reviewing and validating proposals, scopes of work, field findings, and installation quality; ensure activities align with site standards, specifications, and operational objectives.
  • Review and validate sequences of operation for mechanical systems, identify discrepancies between design intent and actual performance, and coordinate with controls and building automation system teams to optimize system functionality.
  • Analyze recurring failures and performance trends to recommend enhancements to preventative maintenance strategies, intervals, and scope.
  • Support development of reliability-centered maintenance practices and contribute to System Operational Risk Assessments, Facility Condition Index evaluations, and spare parts and inventory strategies.
  • Provide technical guidance and mentorship to mechanical technicians, supporting field execution during major repairs, outages, and system transitions.
  • Develop training plans for HVAC and mechanical team members.
  • Work within established Work Control, Quality Control, and Standard Operating Procedures, supporting leadership initiatives while maintaining an execution-focused role without independent operational authority.
  • Report directly to the Assistant Chief Engineer and operate as a technical resource within the site's organizational structure.

Desired Qualifications

  • Professional certifications such as Certified Facility Manager, Professional Engineer, or Project Management Professional.
  • Experience supporting government, defense, healthcare, data center, or mission-critical facilities.
  • Demonstrated success driving operational improvements, including key performance indicator development and tracking, continuous improvement initiatives, and productivity and lifecycle cost reduction.
  • Familiarity with energy management, sustainability initiatives, or utility optimization programs.
  • Strong understanding of risk management, life-safety planning, and business continuity.
  • Advanced experience with vendor management, subcontractor oversight, and service-level agreement enforcement.

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

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