Administration Officer

About the role

You will be a key part of our national support team, responsible for day-to-day office operations, front‑of‑house hospitality, and prompt, helpful internal customer service. You’ll manage competing priorities with good judgement, act on your own initiative, and contribute to a calm, efficient workplace.

• Run day-to-day office operations: supplies, mail and reception, office security protocols, and escalate issues in the right direction
• Help support and deliver office compliance topics:
  Health and Safety, first aid, facilities co-ordination of maintenance
• Book meeting rooms and support hospitality and front-of-house service: greet visitors, coordinate catering and refreshments
• Deliver high-quality internal customer service as part of a larger support team: respond to staff requests, deliver internal projects, and support other colleagues where necessary
• Prioritise tasks and manage workload independently; complete routine administration with minimal supervision
• Work collaboratively with colleagues across functions to support business needs

• Proven administrative experience and strong organisational skills
• Service-first attitude with excellent interpersonal skills
• Able to prioritise effectively and work on your own initiative
• Comfortable managing hospitality and vendor interactions (catering, couriers, orders)
• Reliable, flexible, and able to remain calm under pressure
• Proficient with Microsoft Office (Outlook, Word, Excel) and experienced using online booking/communication tools
• Team-player mindset with a practical approach to problem solving

Tetra Tech is a leading provider of high-end consulting and engineering services for projects worldwide. We combine the resources of a global, multibillion dollar company with local, client-focused delivery in more than 400 locations around the world. We are Leading with Science to provide sustainable and resilient solutions for our clients.

At Tetra Tech, we provide a collaborative environment that supports individual performance, innovation, and creativity. We are proud to offer competitive compensation and benefits.

For more information on our company, please visit our website at  To apply, please submit your CV and cover letter on the Careers section of our website.

We thank all applicants for their interest; however only those selected for an interview will be contacted.

Tetra Tech is an equal opportunities employer and encourages applications from all suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, transgender status, religion or belief, marital status, or pregnancy and maternity/shared parental leave, in line with the Equalities Act 2010.

We are happy to discuss flexible working for this role, including the possibility of reduced hours, flexible start and finish times, or compressed hours. We can offer a range of solutions to help you to get the most out of your work / life balance.