Senior Mechanical Engineer

Senior Mechanical Engineer (Cleanrooms & HVAC)

Location: Houston, TX (Preferred) or Chandler, AZ

Onsite Flexibility: Hybrid 3 days onsite per week

Contract Details

• Position Type: Contract
• Contract Duration: 12 months
• Start: June 15, 2026
• Pay Rate: $59.35 $77.03 / Hour (USD)
• Work Authorization: Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

About the Company

Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Differentiated by the quality of our people and our relentless drive to deliver the most successful outcomes, we align our capabilities to our customers' objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our services span from initial planning and investment, through start-up and operations.

Trusted engineering, construction, and project management partner serving Energy, Infrastructure, Manufacturing & Technology, Mining & Metals, and Nuclear, Security & Environmental sectors. From planning to operations, we deliver impactful projects for industry and government, making a lasting difference globally.

Job Summary

In this role, you will conduct field investigations and client interviews to determine work scope and cost estimates for a project's mechanical aspects. You will lead design, development, modification, and evaluation of mechanical components and processes. Your recommendations will resolve technical issues and ensure the unique and complex requirements of a project's mechanical aspects are met.

Key Responsibilities

• Plans, schedules, conducts, and coordinates detailed phases of engineering work in mechanical discipline in a project or staff group. Performs work that involves conventional engineering practice but may include complex features such as resolving conflicting design requirements, unsuitability of conventional materials and/or difficult coordination requirements.
• Performs work using Standard Application Programs (BSAPs).
• Plans, coordinates, or prepares equipment or work specifications, material requisition, technical bid evaluations and award recommendations.
• Coordinates engineering efforts in assigned areas between specialty and other engineering groups or disciplines, with the client, suppliers, and contractors and between other groups.
• Assumes a lead technical role over other engineers or project subgroups for completing specific tasks as directed.
• Communicates complex technical issues and recommends solutions to Supervisor and/or project management. Supports function initiatives of developing Engineering Department Procedures (EDPs), design guides, appropriate Standard Computer Applications (BSAPs) and administrative practices.
• Mentors designers and drafters by providing appropriate on-the-job training for their professional development. Supports the creation of a work environment, supported by leadership, which fosters openness, trust, communication, teamwork, empowerment, innovation, and satisfaction.

Required Knowledge and Skills

• Degree in mechanical engineering or equivalent from an accredited university or college (or international equivalent), with minimum 10 (ten) years of Dry systems experience.
• Good working knowledge of International standard for cleanrooms and associated controlled environments (ISO 14644 1 thru 14), Institute of Environmental Sciences and Technology (IEST-RP-CC001, 002, 006, 007, 012, 021, 034) for Cleanrooms and American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), SMACNA and International Mechanical Code (IMC) standards for HVAC and Air Handling Units.
• In-depth knowledge of equipment packages such as Air Handling Systems, Air Condensing units, Variable Air Volume Units and Cleanroom Recirculation Air and Exhaust Systems.
• Knowledge of systems, calculations, equipment, applications of methods, plant layout, materials, and computers for preparation of analyses and development of project deliverables within the discipline.
• Thorough knowledge of discipline engineering techniques, the design of engineered systems, and engineering and design calculations.
• Thorough understanding of the roles played by other departments on projects including construction practices and the economics involved.
• Knowledge of precedents in the discipline and of principles and practices of related disciplines.
• Able to troubleshoot issues in a field or job site setting confidently, and to provide instruction on how to resolve issues identified.
• Demonstrated ability to cope with conflicting deadlines, frequent interruptions, and multiple tasks.
• Applicant should be able to identify specific industry and technology experience.

Education and Experience Requirements

• Bachelor's degree (or international equivalent) and 10 13 years of relevant experience, or 14 17 years of relevant work experience.

Benefits

• Medical, Vision, and Dental Insurance Plans
• 401k Retirement Fund

About GTT

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients are Fortune 500 banking, insurance, financial services, and technology companies, along with some of the nation's largest life sciences, biotech, utility, and retail companies across the US and Canada. We look forward to helping you land your next great career opportunity!

Job Number: 26-06466 Industry: Engineering

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