Assistant Project Manager jobs in United Kingdom

Are you looking for an exciting career role where you can help make a difference for the future? Tetra Tech is a leading technical, engineering, and environmental consultancy. We provide data-driven, market-leading water, environment, infrastructure, energy, and international development solutions to clients in the UK and Europe. We deliver locally and we’re backed globally. In the UK and Europe, Tetra Tech has more than 6,000 employees and more than 50 offices. Our unique organisational structure enables us to be nimble and respond with the agility of a small business, backed by international resources and capabilities from across the world.

Our people are at the heart of everything we do. They help our clients succeed, our business prosper and the communities we work in thrive. We need the very best people to maintain our position as a market leader and we provide a collaborative environment that supports individual performance, innovation, and creativity.

In a graduate role you will work on exciting, ground-breaking projects from day one, with support to grow in your chosen discipline as well as training to develop the core skills needed to succeed in a professional organisation. Our early careers programme gives you the chance to connect with others across the region / business who are also starting their career, as well as mentoring, Chartership support & bonuses and more.

Role Title: Graduate Project Manager
Start Date: September 2026
Location: Southampton

This is an exciting new opportunity for a Graduate Project Manager to join our expanding Project Management Team. At Tetra Tech, you will work with high-performing teams who are passionate about using their expertise to find solutions to complex problems in water, environment, infrastructure, defence, energy, and international development.

Joining the existing Project and Cost Management team, you will be involved in managing projects, working closely with high profile clients, stakeholders, and all UK Tetra Tech disciplines to develop and deliver successful projects to our clients.

As a Graduate Project Manager, you will be responsible for delivering high quality services and supporting the delivery of multiple projects for many of our high-profile clients. You will manage the delivery of these projects through the full project lifecycle.

• Assisting in delivering projects to the value anywhere between £1m to £500m across both Public and Private sectors
• Preparing tender and contract documents
• Ensuring internal governance is adhered to
• Assisting in the management and delivery of construction projects
• Assisting in the development of works and resource management
• Controlling project costs
• Managing project risk
• Facilitating project progress meetings with the project team
• Implementing change control management
• Client and Stakeholder liaison
• Eligibility for Government Security Clearance
• Supporting senior staff in delivering business objectives

• A minimum 2:1 degree in Project Management or construction related degree
• Experience in using Microsoft applications (required) – Word, Excel, PowerPoint
• Experience in using Microsoft applications (preferred) – Teams, Project
• Strong interpersonal and communication skills (both written and verbal)
• Self-motivated
• Professional and ethical business approach
• Team player, able to deliver multiple projects to deadlines whilst forming effective relationships
• Suitability for Security clearance
• Flexibility to travel domestically and overseas if required
• Full, clean UK driving license and ideally access to a vehicle

Application Closing Date: 31st October 2025

Assessment Centre: Early February 2026

We take pride in delivering projects effectively for clients. This often requires colleagues to be together—in offices or on site—to ensure the best outcomes. However, when possible, we also advocate for flexibility around how, when, and where you work. There is no 'one approach fits all' – each team manages their own way of working, we trust our employees and focus on outputs not inputs. Meeting up with colleagues and clients face to face in office environments or on site is important for collaboration, face-to-face meetings, appraisals and development.

Making everybody feel welcome at Tetra Tech is important to us – because everybody is welcome. If you have a disability, learning difficulty, medical condition or any other individual need, we’d be happy to talk to you about making reasonable adjustments to our application and selection process that will enable you to be your best.

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.

Find out more at: https://www.tetratecheurope.com/careers/early-careers/

Organization: 784 TCE

We look forward to receiving your application.