QA/QC Engineer, Mechanical Systems
The QA/QC Engineer tests, troubleshoots, and commissions mechanical systems (e.g., HVAC, chillers, pumps) on construction projects, ensuring compliance with specs and design intent. Works with teams to resolve field issues, document performance, and support startup/turnover.
- Compensation
- $75K–$95K / yr
- Location
- Chicago, IL, US
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- 2+ years
- Category
- Qa
- Posted
Skills
Must have
- Ability to travel to project sites as needed
- Bachelor’s degree in mechanical engineering, mechanical engineering tech., Construction Engineering, or related technical field (preferred)
- 2–5 years of experience in mechanical systems operations, startup, commissioning support, service, troubleshooting, construction, or building operations
- Basic to intermediate knowledge of HVAC and mechanical building systems (e.g., chilled water, condenser water, pumping, air distribution, heat rejection)
- Familiarity with mechanical equipment (e.g., chillers, pumps, cooling towers, AHUs, CRAHs, CRACs, VFDs, valves, instrumentation)
- Ability to read and interpret mechanical drawings, equipment submittals, and sequences of operation
- Strong mechanical aptitude and problem-solving skills
- Comfortable working on active construction jobsites
- Familiarity with construction practices and principles
- Strong communication skills and ability to collaborate with internal teams, subcontractors, vendors, and clients
- Proficiency in Microsoft Office Suite
Nice to have
- Experience with construction/commissioning software (e.g., Procore, CxAlloy, Facility Grid)
- Experience in mission-critical, industrial, healthcare, or manufacturing environments
- Relevant certifications or training in commissioning, HVAC systems, controls, or mechanical operations
Full description
About You:
Are you passionate about quality and precision in construction projects? Do you thrive on ensuring compliance with rigorous standards while managing timelines and budgets? If the answer is, “Yes!” then we have an opportunity that will impress you. Who are we? We are ARCO, a Family of Construction Companies.
ARCO/Murray is seeking a QA/QC Engineer to support the testing, startup, setup, and troubleshooting of mechanical systems across design/build projects. This role is ideal for someone with 2–5 years of relevant experience who wants to grow their technical expertise in field execution, commissioning support, mechanical operations, and system performance verification. The Jr. Mechanical Systems Specialist will work closely with project teams, vendors, subcontractors, controls contractors, and senior technical staff to help deliver safe, functional, and reliable mechanical systems.
A Day in the Life:
- Support startup, setup, testing, and troubleshooting of mechanical systems and associated controls
- Assist with pre-startup readiness reviews to verify equipment installation, piping completion, controls integration, labeling, and general system readiness
- Participate in vendor startup activities for chillers, pumps, cooling towers, air handling units, CRAHs, CRACs, hydronic systems, and related mechanical equipment
- Help execute pre-functional checklists, startup forms, and functional test procedures for mechanical systems
- Verify mechanical equipment and systems are operating in accordance with design intent, project specifications, and sequences of operation
- Assist in troubleshooting mechanical and controls-related field issues and support resolution with subcontractors, vendors, engineers, and project teams
- Observe and document system performance including temperatures, pressures, flows, alarms, safeties, and equipment staging during testing
- Support TAB coordination and help verify systems are properly set up for balancing and performance validation
- Coordinate with BAS and controls teams to verify point functionality, alarm status, communication, and sequence execution
- Document deficiencies, testing observations, and corrective actions clearly and accurately
- Support commissioning meetings, startup planning efforts, and system turnover activities
- Communicate field findings to project managers, superintendents, engineers, and senior commissioning or QA/QC staff
- Help maintain organized project documentation related to mechanical startup, testing, issue logs, and closeout
- Promote safe work practices and support compliance with project safety requirements