Test & Commissioning Specialist

The Testing and Commissioning Specialist will support Lemartec data center projects from initial design through project closeout. This role is responsible for executing and coordinating all startup, commissioning, testing, and training activities to ensure systems operate according to design intent and client expectations. The Specialist collaborates with the team to ensure the successful and safe commissioning of all critical systems. Location & Travel Details You’ll get the opportunity to travel across the US, helping our team build infrastructure projects. This is a traveling position, requiring travel up to 100% of the time. You may support projects located in various states throughout the US. Potential project locations may include, but are not limited to, PA, KS, NC, SC, VA, GA, TX, FL, IA, WY, and additional locations are added frequently as our organization continues to grow. COMPANY OVERVIEW Founded in 1979, Lemartec is a national general contractor and construction management firm and is part of the General Building group within MasTec’s Clean Energy and Infrastructure segment. As MasTec’s vertical construction arm, Lemartec delivers complex projects across industrial, aviation, power, and large commercial markets. Led at the segment level by Manny García-Tuñón, the General Building Operating Group represents MasTec’s vertical construction capabilities and serves as the platform for future growth in this space. As a MasTec company, Lemartec maintains international capabilities and strategic partnerships throughout the Americas and the Caribbean, enabling the execution of some of the most complex projects in the industries we serve. Through MasTec’s network of more than 22,000 professionals and subject matter experts in Engineering, Procurement, and Construction across over 400 locations throughout North America and the Caribbean, Lemartec is uniquely positioned to serve a diversified customer base. With experience across all 16 disciplines of construction, Lemartec combines deep technical expertise with the strength, scale, and financial backing of MasTec to successfully deliver projects of any size and complexity. MasTec’s Clean Energy & Infrastructure (CE&I) segment generates over $4 billion in annual revenue, providing construction services across industrial, renewables, and infrastructure sectors. In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects, and commercial buildings. Sustainability and safety are foundational to our culture and influence everything we do. MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #17 Top 50 Domestic Heavy Contractors, #20 Transportation Contractor).

Support and execute the startup and commissioning plan from construction turnover through final handoff to operations. Follow and apply MPC's lock-out/tag-out procedures during the transition from construction to commissioning until turnover to the client. Ensure startup and commissioning deliverables are met in accordance with site-specific procedures, project schedules, contract requirements, and safety protocols. Review engineering drawings and specifications to confirm adequate provisions for flushing, cleaning, testing, and other pre-commissioning activities. Coordinate with Engineering, Quality Assurance, and Operations to confirm that equipment and services provided through subcontracts meet project specifications during and after commissioning. Facilitate and support OEM and vendor training sessions for client personnel, including plant operations