Mechanical Engineer, Worldwide (Active Security Clearance Required)

Why Tetra Tech:
At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges.  Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world.  For over 50 years, we have been at the forefront of innovation and sustainability.  Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development.  Our work has improved more than 625 million lives around the world.
***Please do not apply if you do not meet the first three required Qualifications ***    
The Opportunity:
Tetra Tech is seeking Mechanical Engineers to ensure HVAC, plumbing, water/sewage, power generation, and Building Automation Systems meet U.S. and OBO standards.
Project Summary:  
Tetra Tech supports the U.S. Department of State’s Bureau of Overseas Buildings Operations (OBO) in delivering secure, resilient, and sustainable diplomatic facilities worldwide. Our projects include the construction of New Embassy Compounds (NECs), Consulate renovations, and utility optimization projects in diverse environments. These large-scale, technically complex facilities often encompass:
•    New Embassy Compounds (NECs): multi-building campuses with New Office Buildings (NOBs), Marine Security Guard Residences (MSGR), Support Annexes (SPX), Utility Buildings (UTL), and Compound Access Control (CAC) facilities.
•    Selective Renovations: modernization of building systems in fully occupied historic facilities, requiring phased construction and sensitive protection of finishes.
•    Utility Optimization Projects: integration of solar energy and battery storage, HVAC upgrades, water/sewage treatment, and energy efficiency retrofits 
Assignments typically range from 12–48 months and require working in challenging overseas environments, including occupied facilities, tropical climates, and high-security compounds.
Position Summary:
Provide onsite inspections, QA/QC oversight, and cross-discipline coordination to ensure compliant, efficient mechanical systems.
Responsibilities:
•    Review mechanical drawings, shop drawings, and calculations.
•    Inspect construction work for compliance with codes and specs.
•    Monitor schedules and progress; prepare reports.
•    Oversee QA/QC, safety compliance, and cross-discipline integration.
 

Qualifications
•    Bachelor’s degree in Mechanical Engineering from a U.S.-accredited institution (Accreditation Board for Engineering and Technology (ABET) or equivalent), required.
•    Minimum of seven (7) years of vertical construction site experience (e.g., embassies, consulates, multi-story office buildings, residential or mixed-use complexes, government or institutional buildings, secure facilities, data centers, hospitals, command centers, or similar vertical structures), required.
•    Active U.S. Secret Level Security Clearance, required. Must be active for this position.
•    Excellent verbal and written communication skills.
•    Strong Microsoft Office skills.
•    Overseas construction experience preferred. 
•    Professional Engineering License (PE) preferred.
•    Familiarity with international codes and cross-functional engineering coordination.

About Tetra Tech:
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Tetra Tech is proud to be an Equal Opportunity Employer.  All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

We invite applications from all interested parties.

Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers
X (Twitter): @TetraTechJobs
 

• Organization: 174 PRT