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Engineering Economics

Building commissioning and optimization

Senior Mechanical Specialist

Building Services EngineeringConfirmed live in the last 24 hours
Full-timeAurora, IL, USA$54.99 - $78.36 /hr

About the Job

Requirements

  • At least 6 years of experience in mechanical systems, commissioning, facilities operations, engineering, construction, maintenance, or a related technical field.
  • Advanced working knowledge of HVAC systems, chilled water systems, cooling infrastructure, controls, and related mechanical equipment.
  • Ability to read and interpret drawings, specifications, sequences of operation, technical documentation, trend data, and system information.
  • Advanced understanding of mechanical, electrical, and plumbing (MEP) systems, controls, and integrated building operations.
  • Ability to lead assigned commissioning activities, guide field execution, and escalate complex technical or project issues appropriately.
  • Strong troubleshooting, quality assurance, communication, documentation, coordination, and teamwork skills.
  • Proficiency with Microsoft Office Suite and commissioning documentation tools or project software.
  • Currently authorized to work full-time in the United States.
  • Site inspections may require walking project sites, climbing ladders, occasionally lifting and carrying up to 50 pounds, and working in confined spaces when needed; reasonable accommodation may be provided.

Responsibilities

  • Lead complex commissioning, testing, and verification activities for mechanical systems supporting mission-critical facilities and data centers.
  • Guide field execution, functional performance testing, startup support, and closeout activities across assigned mechanical scopes.
  • Troubleshoot complex mechanical system issues and drive practical resolution with project teams, contractors, vendors, and stakeholders.
  • Review drawings, specifications, trend data, test results, and system information to evaluate readiness and performance.
  • Communicate commissioning status, risks, findings, and recommendations clearly with clients, contractors, and internal project teams.
  • Mentor Mechanical Specialists and Mechanical Support team members through field coaching, documentation review, and knowledge sharing.
  • Contribute to safe, reliable, and high-quality project delivery in fast-paced mission-critical environments.
  • Work in a hybrid office and field-based environment, including site visits to mission-critical facilities, data centers, active construction environments, and mechanical rooms, with possible uneven ground and varying weather conditions.
  • Provide project-level technical guidance, field coordination, and mentorship to Mechanical Specialists, Mechanical Support personnel, and less-experienced team members.
  • Work closely with EEI project teams, contractors, subcontractors, vendors, equipment manufacturers, project stakeholders, engineers, project managers, and senior technical team members across disciplines.
  • Represent EEI to clients, contractors, vendors, and project stakeholders.

Desired Qualifications

  • Experience leading commissioning activities in data centers, mission-critical facilities, healthcare facilities, building automation systems, controls integration, or high-reliability environments.
  • Hands-on experience supporting functional performance testing, equipment startup, issue tracking, commissioning documentation, or project closeout activities.
  • Relevant certification or active interest in professional development related to commissioning, building performance, or mission-critical operations.
  • Professional Engineer (PE), Leadership in Energy and Environmental Design (LEED), Commissioning Authority (CxA), Project Management Professional (PMP), or equivalent certifications.

About the Company

Engineering Economics

Building commissioning and optimization

Engineering Economics is a consulting firm focused on the performance of mechanical, electrical, controls, and energy systems in buildings. Its services include commissioning, retro-commissioning, energy analysis, facility assessment, and building-performance verification. Engineers help owners and project teams improve reliability, efficiency, and operational outcomes in complex facilities. The firm specializes in technical building-performance consulting during design, construction, turnover, and operations, using independent testing and analysis to determine whether complex systems meet requirements and work efficiently in real conditions.

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