Project Administrative Assistant

Onsite Administrative Assistant

Tetra Tech Inc.’s Disaster Recovery division is currently seeking an Onsite Administrative Assistant
. The Field Administrator provides onsite administrative and logistical support to field operations during active disaster response projects. This role is critical to ensuring efficient training of local hires, timely payroll setup, and day-to-day administrative and logistical coordination. The Field Administrator works closely with the Project Manager and Operations team to support project execution and workforce readiness.

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.

• New Employee Support
  • Support local recruiting and onboarding efforts as needed for newly hired field employees (e.g., coordinating live  calls with the Recruiting Admin).
  • Coordinate pay card requests, including requesting pay cards from accounting, distributing pay cards to employees on site, and submitting required documentation for activation.
  • Provide administrative support for the preparation and submission of HR incident reports (e.g., no-call/no-show incidents, behavioral concerns, other employee issues) while understanding that primary responsibility for employee management remains with the operating team.
• Administrative Support
  • Provide general administrative support to the onsite Project Manager and Operations team.
  • Scan, organize, and submit project-related documentation as required.
  • Serve as the primary administrative point of contact in the field office.
• Logistics and Supplies
  • Support logistics efforts, including supply runs as needed.
  • Submit requests for new or replenished office and field supplies.
  • Assist with tracking and coordination of administrative resources for the project.
• Communication and Reporting
  • Maintain clear and professional communication with the project manager and internal support teams.
  • Escalate administrative or staffing issues as needed to ensure timely resolution.

• Willing and able to work 8-10 hours per day, 7 days per week, for the duration of the project.
• Previous administrative, HR, recruiting, or field operations experience preferred.
• Strong organizational skills and attention to detail.
• Ability to handle confidential employee information professionally.
• Comfortable working in fast-paced, high-demand field environments.
• Proficiency with basic office equipment and document management.
• Reliable transportation and ability to complete supply runs as needed.
• Must meet driving records qualifications and pass a successful MVR check.

This position with Tetra Tech is temporary and on an "as needed" basis and will end. It is understood that your employment is to be on an "at will" basis. Neither our stating your salary in annualized terms nor our comments or representations in any other respects are intended to express or imply that you will be working either for any duration or under a contract of employment.

The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

Tetra Tech combines the resources of a global, multibillion-dollar company with local, client-focused delivery in more than 400 locations around the world. Our reputation rests on the technical expertise and dedication of our…