Office Administrator

Tetra Tech is adding an Office Administrator / Building Support Specialist for our Ann Arbor, MI office.

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.

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

The Office Administrator / Building Support Specialist ensures the smooth, day-to-day operation of Tetra Tech’s Ann Arbor office. This role provides comprehensive facilities support, vendor coordination, supply management, and administrative assistance to multiple operating units. It’s ideal for a proactive, hands‑on professional with excellent organizational and communication skills who thrives in a collaborative, team‑oriented environment.

• Serve as the primary point of contact for all building-related issues, including HVAC, plumbing, lighting, and general maintenance.
• Coordinate with the landlord, maintenance vendors, and cleaning services to ensure a safe, functional, and well-maintained work environment.
• Open and prepare the building each morning; monitor the cleanliness and functionality of shared spaces.
• Order and maintain office, IT, janitorial, and kitchen supplies.
• Manage shipping, postage, and package handling (Fed Ex, UPS, USPS).
• Maintain and service office equipment, including printers, copiers, and postage machines.
• Support IT setup, troubleshooting, and coordination with the Tetra Tech Help Desk.
• Manage building access and security (key fobs) for new and departing employees.
• Coordinate off‑site storage, file archiving, and retrieval processes.
• Support office safety and emergency preparedness, including monthly safety checks, AED testing, and restocking of supplies.
• Perform minor facility repairs and general handyman tasks as needed.
• Provide administrative support such as document processing, printing, scanning, and binding.
• Assist with internal office events, staff training sessions, and employee engagement activities.

• Strong organizational, problem-solving, and communication skills.
• Ability to work independently with minimal supervision.
• Proficiency with Microsoft Office Suite (Word, Excel, Outlook, Teams).
• Strong typing and general computer skills.
• Dependable, adaptable, and detail-oriented work ethic.
• Ability to lift and carry up to 40 lbs.
• Valid driver’s license and reliable transportation.

• High school diploma or equivalent required; associate degree or coursework in business administration, facilities management, or a related field preferred.
• Minimum of 5 years of experience in office administration, facilities coordination, or a related field.
• Experience with ordering systems (Amazon Business, Smart Office, etc.).
• Basic handyman or maintenance skills.

• Frequently required to sit, stand, walk, bend, reach, and move throughout the office and building.
• Regularly operates a computer and other standard office equipment (e.g., copier, printer, scanner, postage machine).
• Occasionally required to climb stairs and move building areas.
• Must be able to lift and carry materials and supplies weighing up to 40 pounds.
• Occasionally required to perform light maintenance or minor repair tasks involving reaching, stooping, or using hand tools.
• May need to transport packages, supplies, or equipment between storage areas, offices, and vendor locations.
• Must be able to communicate effectively in person, over the phone, and via computer systems.
• This position operates primarily in a…