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M.C. Dean

Designs and deploys secure mission-critical infrastructure

Mechanical Equipment Assembly Technician

Product AssemblyConfirmed live in the last 24 hours
Full-timeVirginia, USA$29 - $34.74 /hrIn-person

About the Job

Requirements

  • High school diploma or GED equivalent and 7+ years of experience.
  • Ability to read mechanical drawings, piping and instrumentation diagrams, equipment submittals, and manufacturer instructions.
  • Knowledge of alignment practices, piping systems, and mechanical tolerances.
  • Ability to lift, carry, and move objects weighing up to 50 pounds regularly and follow proper lifting techniques and safety protocols.
  • Ability to relocate a 12-foot stepladder without assistance.
  • Ability to work at heights up to 60 feet and climb and maintain balance on scaffolds, aerial lifts, catwalks, and ladders.
  • Ability to routinely walk, climb, lift, squat, crawl, kneel, push, pull, and reach overhead.
  • Good vision, including color vision, and ability to hear and communicate in English.
  • Ability to use a standard ladder within its weight limit while carrying tools.
  • Ability to recognize when something is wrong or likely to go wrong, apply general rules to specific problems, draw conclusions by combining information, see details at close range, and understand spoken information.

Responsibilities

  • Assemble, configure, and prepare mechanical equipment and systems for operation, including HVAC equipment, chillers, package units, air handlers, pumping systems, boiler packages, skids, and custom-engineered assemblies.
  • Assemble air handling units, rooftop and package units, chillers, pumping stations, cooling towers, boiler systems, heat exchangers, compressor packages, and custom skid-mounted equipment.
  • Interpret mechanical drawings, piping diagrams, equipment layouts, assembly instructions, and bills of material.
  • Install and align motors, pumps, compressors, bearings, shafts, couplings, valves, actuators, piping systems, and structural supports.
  • Apply equipment-specific assembly requirements and distinguish among different mechanical systems.
  • Verify fit-up, alignment, tolerances, torque values, and service clearances before final inspection.
  • Perform mechanical integrity checks and functional testing.
  • Build assemblies with consideration for maintenance access and future serviceability.
  • Prepare completed assemblies for factory testing, shipment, installation, and commissioning.
  • Apply specialized knowledge of packaged rooftop units, including economizers, curb adapters, duct connections, gas heat sections, condensate management, and service access requirements.
  • Apply specialized knowledge of chillers, including evaporator and condenser piping connections, vibration isolation, rigging considerations, and tube-pull service clearances.
  • Apply specialized knowledge of air handling units, including fan sections, filter racks, coils, dampers, casing alignment, and sealing requirements.
  • Apply specialized knowledge of pumping systems, including pump and motor alignment, coupling installation, base leveling, and hydronic piping considerations.
  • Apply specialized knowledge of boiler systems, including combustion components, venting, gas trains, safety devices, and circulation equipment.
  • Apply specialized knowledge of custom mechanical skids, including integrated piping, pumps, valves, instrumentation, and support structures.

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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