In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible. **Job Description:** Parsons is looking for an amazingly talented **Senior Commissioning Manager – Hyperscale Data Centre** to join our team! In this role, you will lead the end-to-end commissioning strategy and execution for all critical systems of a fast-track hyperscale data centre project. The project involves complex engineering systems, high utility demand, multiple contractor packages, and targets Uptime Institute Tier III/IV compliance, requiring rigorous commissioning protocols to ensure fault tolerance, maintainability, and operational resilience. **What You’ll Be Doing** + Develop and manage the commissioning plan aligned with Uptime Institute Tier III/IV requirements. + Oversee commissioning of all critical systems including HV/LV electrical, cooling systems, BMS, fire protection, security, and ICT. + Coordinate Integrated Systems Testing (IST) and ensure redundancy and failover scenarios are validated. + Lead commissioning meetings, reporting cycles, and issue resolution across stakeholders. + Ensure all commissioning documentation (scripts, logs, reports) meets audit and certification standards. + Interface with design consultants, contractors, and client operations teams to ensure alignment. + Support training and handover to facilities management and operations teams. + Manage third-party commissioning agents and Tier certification processes. **What Required Skills You’ll Bring** + 10–15 years in commissioning management, with at least 5 years in mission-critical or data center environments. + Deep expertise in MEP systems, IST protocols, and Tier certification processes. + Proven experience in hyperscale data center commissioning and operational readiness. + Strong leadership, coordination, and stakeholder engagement capabilities. + Degree in Mechanical, Electrical, or Building Services Engineering. Certifications from ASHRAE, NEBB, or BSRIA are highly desirable. **What Desired Skills You’ll Bring** + Experience with Uptime Institute Tier III/IV certified facilities. + Familiarity with commissioning software and digital tools for test tracking and reporting. + Ability to manage commissioning across multi-package, fast-track delivery environments. + Strong understanding of operational risk, redundancy, and maintainability principles. Parsons equally employs representation at all job levels no matter the race, color, religion, sex (including pregnancy), national origin, age, disability or genetic information. We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY! Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/ . About Us Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide. Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+. For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.