Project Administrator

The Opportunity Tetra Tech is adding a Project Administrator to our Program Management team based onsite at Nellis Air Force Base in Nevada. This position provides full-time administrative and team coordination support for a major design and construction program and works directly with Government stakeholders and the embedded Tetra Tech program team. 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. Your Impact 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. Position Summary Tetra Tech is seeking a Project Administrator to provide full-time onsite administrative and team coordination support for a major design and construction program at Nellis Air Force Base. This highly visible role supports Government stakeholders and the embedded Tetra Tech team through meeting coordination, document and action management, calendar support, correspondence, visitor and workspace logistics, and day-to-day office operations. Success in this position requires exceptional organization, responsiveness, discretion, professionalism, and a service-oriented approach. The Project Administrator must be comfortable working directly with Government and contractor personnel in a fast-paced, client-facing environment. Essential Job Functions Provide daily onsite administrative support to Government stakeholders and the Tetra Tech program team, serving as a responsive and professional point of coordination for routine program needs. Coordinate calendars, meetings, conference rooms, agendas, attendance, meeting materials, minutes, action items, and follow-up communications. Maintain organized program files, correspondence, contact lists, trackers, logs, and records in accordance with established PMIS and document-control processes. Support the preparation, formatting, routing, and distribution of reports, presentations, letters, meeting packages, and other program documentation. Coordinate onsite logistics, including visitors, badging and access coordination, workspace needs, supplies, equipment, deliveries, and team events as assigned. Handle sensitive or time-critical information with discretion and maintain appropriate confidentiality. Anticipate team needs, track follow-up items, and help maintain a welcoming, organized, and high-performing onsite environment. Communicate professionally with Government stakeholders, contractors, consultants, vendors, and Tetra Tech personnel while providing responsive customer service. Required Qualifications High school diploma or equivalent; an associate or bachelor’s degree may substitute for or complement relevant professional experience. 5+ years of experience in administrative support, project coordination, office management, executive support, or a similar professional role. Strong interpersonal, customer-service, written communication, organization, prioritization, and follow-through skills. Ability to manage multiple priorities, meet deadlines, and maintain accuracy in a fast-paced team environment. Proficiency with Microsoft Outlook, Teams, Word, Excel, and PowerPoint. Ability to learn and use project-specific systems, PMIS platforms, document-control procedures, and administrative workflows. Must be a U.S Citizen At least one year of prior experience in consulting and/or Department of Defense contracting. A valid driver's license and clean driving record is required for this position. Preferred Qualifications Current or recent Nellis Air Force Base access, Common Access Card experience, or familiarity with Department of Defense installation access and administrative processes. Experience supporting the U.S. Air Force, Department of Defense, engineering or construction programs, or a client-facing project office. Experience coordinating executive meetings, Government or contractor communications, visitor access, office logistics, or project documentation. Familiarity with document-control systems, PMIS platforms, meeting management, action-item tracking, or project reporting. Work Environment / Environmental Factors The position is primarily performed in an indoor office and meeting environment on Nellis Air Force Base. The role requires periodic movement between offices, conference spaces, and active design and construction areas. Occasional exposure to outdoor desert weather, construction noise, dust, uneven surfaces, and other normal active-site conditions may occur. Appropriate site-specific safety practices and personal protective equipment requirements will apply when visiting active project areas. Physical Requirements Prolonged periods of sitting or standing at a desk and using a computer. Frequent communication in person, by telephone, and electronically. Frequent movement within office, meeting, and project environments. Occasional walking through active project sites, using stairs, bending, and carrying routine office or field materials weighing up to 20 pounds. Ability to perform the essential functions of the position with or without reasonable accommodation. Additional Information This is a full-time, onsite position based at Nellis Air Force Base, Nevada. The standard work schedule is generally Monday through Friday during normal business hours. Flexibility may be required for early morning or late meetings, project milestones, critical issues, or extended hours based on program needs. Local travel within the Las Vegas and Nellis area may be required. Occasional travel to other project sites, client locations, or Tetra Tech offices may also be required. The pay range for this position is between $75,000 to $90,000 annually. However, the pay offered may vary depending on primary work location, job-related knowledge, skills, experience, and internal parity. Life At Tetra Tech Comprehensive and market-competitive benefits Merit-based financial rewards Flexibility and company-wide commitment to work/life balance Collaborative team atmosphere that values the contributions of all employees Learning and development opportunities for ongoing professional growth. 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 25,000 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. Additional Information Organization: 213 CBI #J-18808-Ljbffr Tetra Tech