Senior Mechanical Commissioning Lead for Data Centers

EEI; Mirbister; Hybrid; GBP 89,000 - 118,000; Full time

Benefits offered by this job

Employee Stock Ownership Plan (ESOP);

Health, dental, and vision insurance

Health Savings Accounts (HSAs)

Company-paid LTD, STD, and basic life

Voluntary life, accident coverage, etc

Profit-sharing + bonuses

401(k) with company match

Milestone Travel Award

Paid certifications

Professional development opportunities

Job summary

EEI, an employee-owned company, is seeking a Sr. Mechanical Specialist to lead commissioning, testing, troubleshooting, and documentation for mechanical systems in mission-critical facilities. You will work with project teams, clients, and vendors to deliver reliable outcomes.

This role emphasizes field execution, startup support, and mentoring junior specialists. Travel up to 75%, hybrid office/field work, and lifting up to 50 lbs. Strong communication and problem-solving are essential.

Qualifications

• 6+ years of experience in mechanical systems and commissioning, facilities operations, engineering, construction, or related 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 MEP systems, controls, and integrated building operations.
• Ability to lead assigned commissioning activities, guide field execution, and elevate 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 in the U.S. full‑time.

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.

Skills

Mechanical systems

HVAC systems

Troubleshooting

Documentation

Communication

MS Office

Teamwork

Education

Bachelor’s degree in Mechanical Engineering

Tools

Commissioning tools

Documentation software

Project software

Job description

EEI, an employee-owned company, is seeking a Sr. Mechanical Specialist to lead commissioning, testing, troubleshooting, and documentation for mechanical systems in mission-critical facilities. You will work with project teams, clients, and vendors to deliver reliable outcomes.

This role emphasizes field execution, startup support, and mentoring junior specialists. Travel up to 75%, hybrid office/field work, and lifting up to 50 lbs. Strong communication and problem-solving are essential.