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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 and maintenance teams. 

• Collaborate with subcontractors and vendor representatives during start-up, commissioning, and performance testing activities. 

• Organize and lead daily start-up Plan of the Day (POD) meetings; prepare and distribute meeting minutes. 

• Support the system turnover process by scheduling and participating in system walkdowns and initial system operations. 

• Maintain daily logs of operational, maintenance, and safety activities including test results, instrument readings, and details of equipment issues and resolution. 

• Coordinate commissioning-related subcontractor support and field labor in collaboration with site construction management. 

Work Experience and Education

• Bachelor’s degree from an accredited college 

• 5+ years of experience in testing and commissioning projects.  

• Experience in commissioning mechanical, electrical, and controls systems in mission-critical environments such as data centers. 

• Understanding of utility systems (water, fuel, steam), electrical distribution systems, PLCs, DCS platforms, and rotating equipment (e.g., boilers, turbines). 

• Working knowledge of safety regulations, testing protocols, project schedules, and commissioning milestones. 

• Ability to interpret engineering drawings, technical specifications, and system control narratives. 

Knowledge/Skills/Abilities

• Familiarity with local specifications and supplements to each and with reading blueprints and
• Proficiency in planning, scheduling, and production, in P6, Microsoft Project or equivalent software and in Microsoft Office suite of software-Excel/Word/Outlook also needed along with estimating software knowledge.
• Excellent organizational, presentation and interpersonal skills.
• High degree of professionalism and strong work ethic
• Multi-tasks and stay focused on the big picture while addressing daily issues

 In addition to the above listed minimum requirements, candidates who poses the following skills, experience, and capabilities may receive greater consideration during the evaluation process:

• Ability to travel within the U.S

What's in it for you:

Financial Wellbeing

• Competitive pay with ongoing performance review and merit increase
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Healthcare & Dependent care)

Health & Wellness

• Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
• Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance

Family & Lifestyle

• Paid Time Off, Paid Holidays, Bereavement Leave
• Military Leave, including Differential Pay and Benefits Continuation
• Employee Assistance Program

Planning for the Unexpected

• Short and long-term disability, life insurance, and accidental death & dismemberment
• Voluntary life insurance, accident, critical illness, hospital indemnity coverage
• Emergency Travel Assistance Program
• Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information. 

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

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Work Experience and Education

• Bachelor’s degree from an accredited college 

• 5+ years of experience in testing and commissioning projects.  

• Experience in commissioning mechanical, electrical, and controls systems in mission-critical environments such as data centers. 

• Understanding of utility systems (water, fuel, steam), electrical distribution systems, PLCs, DCS platforms, and rotating equipment (e.g., boilers, turbines). 

• Working knowledge of safety regulations, testing protocols, project schedules, and commissioning milestones. 

• Ability to interpret engineering drawings, technical specifications, and system control narratives. 

Knowledge/Skills/Abilities

• Familiarity with local specifications and supplements to each and with reading blueprints and
• Proficiency in planning, scheduling, and production, in P6, Microsoft Project or equivalent software and in Microsoft Office suite of software-Excel/Word/Outlook also needed along with estimating software knowledge.
• Excellent organizational, presentation and interpersonal skills.
• High degree of professionalism and strong work ethic
• Multi-tasks and stay focused on the big picture while addressing daily issues

 In addition to the above listed minimum requirements, candidates who poses the following skills, experience, and capabilities may receive greater consideration during the evaluation process:

• Ability to travel within the U.S

What's in it for you:

Financial Wellbeing

• Competitive pay with ongoing performance review and merit increase
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Healthcare & Dependent care)

Health & Wellness

• Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
• Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance

Family & Lifestyle

• Paid Time Off, Paid Holidays, Bereavement Leave
• Military Leave, including Differential Pay and Benefits Continuation
• Employee Assistance Program

Planning for the Unexpected

• Short and long-term disability, life insurance, and accidental death & dismemberment
• Voluntary life insurance, accident, critical illness, hospital indemnity coverage
• Emergency Travel Assistance Program
• Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information. 

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

#LI-AG1

#LI-ONSITE