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M. C. Dean, Inc. Mechanical Systems Operator 1 - St. Louis, Missouri in St. Louis, Missouri

Mechanical Systems Operator 1 - St. Louis, Missouri

Location:St. Louis, Missouri

Req. Number:4612


M.C. Dean isBuilding Intelligence™in the form of cyber-physical solutions for the nation’s most recognizable mission-critical facilities, large-scale infrastructure, and global enterprises.

Our success relies on great people delivering innovative projects and solutions for Fortune 100 companies and the most recognized agencies in government, defense, and security.

Join our more than 3,000 employees worldwide who engineer and deploy automated, secure and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability. Together we are creating the integrated systems and technologies that shape the built and cyber-physical world.

We offer an excellent benefits package including:

  • A competitive salary

  • Medical, dental, vision, life and disability insurance

  • Paid-time off

  • Tuition reimbursement

  • 401k Retirement Plan

  • Military Reserve pay offset

  • Paid maternity leave


Works with call center to log and identify problem areas in the building.

Assists other trades in the field in the active troubleshooting of systems.

Monitors alarms and reports and performs triage on system messages (Response: 15min/8hr/24hr/week).


Monitors controlled systems for performance and problems.

Backs up application software and checks network integrity of control devices.

Debugs and simulates programs, checks calibration of hardware/software devices, configures parameters and tests control components and software.

Performs function check of all control systems and documents results.

Sets up alarms for optimal efficiency and response.


Responds to service calls by determining the problem, identifying the cause and implementing a solution to address the issues.

Works with the customer to recommend and develop a maintenance program for their system. Identifies and implements long term service strategies.


Performs all work in accordance with contract documents and applicable company standards.

Performs work to meet the required response times and to facilitate others to meet response times.

Develops and maintains procedures and check lists for the execution of service calls, system routine maintenance and commissioning tasks to maintain consistency and completeness of the work.


Keeps Client/Call center informed of questions, progress, information needs, and discrepancies in system and other issues impacting the operation of the building and comfort of occupants.

Initiates follow up action to secure needed responses in a timely manner.​


  • High school diploma. Vocational school or associate degree preferred.

  • Must have a valid state motor vehicle license with safe driving record.

  • Good customer communication skills.

  • Three years DDC controls experience within the building HVAC controls industry.

  • Ability to read and interpret technical documentation including sequence of operations, technical product literature, programming manuals and specifications.

  • Ability to troubleshoot basic communications wiring, control logic wiring and end devices.

  • Knowledge of building mechanical and electrical equipment functions and use, HVAC systems controls applications and relevant hardware and software products.

  • Knowledge of commonly used networks and network topologies.

  • Ability to work at a computer terminal with mouse and keyboard for eight hours per day.

  • Ability to work safely in close proximity to exposed line voltage and low voltage wiring and terminations.​

  • Must possess a U.S. security clearance or the ability to obtain one.

  • 2-3 years facilities maintenance experience required.

  • High School Diploma or GED required.

  • Vocational school preferred.

  • OSHA 10

  • Electrical Safety / NFPA 70E

  • Introduction to Engineering - (CFC Certification)​


  • Exposure to computer screens for an extended period of time

  • Sitting for extended periods of time.

  • Reach by extending hands or arms in any direction.

  • Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.

  • Listen to and understand information and ideas presented through spoken words and sentences.

  • Communicate information and ideas in speaking so others will understand.

  • Read and understand information and ideas presented in writing.

  • Apply general rules to specific problems to produce answers that make sense.

  • Identify and understand the speech of another person.

EOE Minorities/Females/Protected Veterans/DisabledVEVRAA Contractor