Senior Mechanical Project Engineer - Data Center Operations

Senior Mechanical Project EngineerLead the systems that keep critical infrastructure running. At FST Technical Services, we ensure the most complex facilities operate exactly as intended. Our Commissioning division partners with clients across data centers and mission-critical environments to validate that systems are designed, installed, and performing at the highest level. We are seeking a Senior Mechanical Project Engineer who brings deep technical expertise, field leadership, and the ability to drive outcomes in high-performance environments.This is a position for someone who:Owns system performance from design through executionUnderstands how complex mechanical systems operate as a wholeCan identify and solve issues before they impact operationsYou will work on large-scale, mission-critical data center projects where performance, reliability, and precision are non-negotiable.What you will do:Project Leadership & Execution:• Lead commissioning activities across the full lifecycle of a data center build to include L1-L5• Execute functional testing, witness testing, and system validation• Manage assignments within schedule, budget, and quality expectationsTechnical Expertise & Problem Solving:• Evaluate HVAC, chillers, boilers, pumps, and automation systems• Troubleshoot system performance issues• Review design documentationClient Engagement:• Lead meetings and communicate findings• Build relationships with clients and contractorsOperational Contributions:• Complete reports and manage time and expensesTeam Development:• Mentor junior engineers and support trainingWhat you bring:Core Qualifications:• Degree in HVACR, Mechanical, Electrical Engineering or related field• 5+ years experience in commissioning engineering• 3+ years of Data center experience requiredTechnical Capabilities:• Experience with HVAC, controls, automation, fire safety systems• Ability to read construction documentsProfessional Skills:• Strong communication and problem-solving skillsPhysical Requirements:• Ability to work in field environments and lift 30 lbsPreferred:• EIT, CEM, OSHA 30, BIM experience, Facility GridTravel Requirements:Travel to project sites as needed based on project demands.Compensation & Travel Package:Base Salary: $150,000 to $170,000 depending on experience, comprehensive benefits, monthly per diem and mobilization supportLong-term opportunity within FST's growing commissioning organizationImportant: This position is not remote or rotational from home. The successful candidate must be willing to mobilize to Atlanta, Georgia and remain site-dedicated for the duration of the project assignment. No visa sponsorship available. Candidates must be authorized to work in the United States.