Assistant Project Manager

Pertemps Thames Water; Rickmansworth; Hybrid; GBP 44,000 - 54,000; Full time

Benefits offered by this job

Annual leave 26-30 days

Health and wellbeing benefits

Cycle to Work scheme

Life assurance

Job summary

Thames Water is seeking an Assistant Project Manager to join the Capital Delivery team in managing infrastructure projects and programmes. You will work with a Senior PM and a range of specialists to deliver safely and sustainably, meeting time, cost and quality targets.

Based at Maple Lodge with hybrid working and a 36-hour week, you may lead small projects or support larger programmes, depending on experience.

Qualifications

• Strong organisational skills to coordinate time, cost, risk and quality.
• Effective communication and stakeholder-management skills.
• Ability to work collaboratively with internal teams, contractors and suppliers.
• Understanding of project controls, governance, risk management and assurance.

Responsibilities

• Assist or lead delivery of projects or work packages from brief to handover.
• Ensure projects are delivered safely, sustainably and on time, within budget and quality targets.
• Monitor progress and report on cost, schedule, quality, risks and issues.
• Support development of briefs, business cases and delivery plans.
• Coordinate internal teams, suppliers and partners to keep activities moving.
• Support management and assurance of contractor work-orders.

Skills

Strong organisational skills

Effective communication

Stakeholder management

Collaborative working

Project controls & governance

Job description

We have an exciting opportunity for an Assistant Project Manager to join our Capital Delivery team and support the successful delivery of infrastructure projects and programmes.

Working alongside a Senior Project Manager and a range of technical, commercial, and operational specialists, you’ll help deliver projects safely and sustainably, keeping them on track against agreed time, cost, and quality requirements.

This is an excellent opportunity for someone looking to develop their project management career within a regulated, asset‑owning organisation. Depending on your experience, you may support the delivery of larger programmes or take responsibility for your own projects or sections of work.

This role is a 12 Month Fixed‑term contract

What you’ll be doing as an Assistant Project Manager

• Supporting or leading the delivery of assigned projects or sections of work from initial brief and scope development through to completion and handover.
• Helping to ensure projects are delivered safely, sustainably and in line with agreed time, cost and quality requirements.
• Monitoring project progress and reporting on cost, programme, quality, risks, opportunities and issues.
• Supporting the development of project briefs, business cases and delivery plans.
• Coordinating internal teams, suppliers and delivery partners to keep project activities moving forward.
• Supporting the management and assurance of contractors and associated work‑order contracts.
• Building positive relationships with internal and external stakeholders and ensuring expectations are effectively managed.
• Contributing to project governance, assurance and change‑control activities.
• Promoting a proactive safety culture and escalating health, safety and environmental concerns through to resolution.
• Supporting the financial management of assigned project budgets, which may typically range from £1 million to £25 million.
• Encouraging collaboration, constructive challenge and clear communication across the wider project team.

What you should bring to the role

• Strong organisational skills with the ability to coordinate activities across time, cost, risk and quality.
• Effective communication and stakeholder‑management skills.
• Confidence to work collaboratively with internal teams, contractors, suppliers and delivery partners.
• An understanding of project controls, governance, risk management and assurance.
• A proactive approach to problem‑solving, escalation and continuous improvement.

What’s in it for you?

• Competitive salary up to £49,000 per annum depending on skills and experience.
• Annual Leave –26 days holiday per year, increasing to 30 with length of service. (plus bank holidays)
• Access to many benefits to help you take care of your health and your family's health and well‑being, and your finances – from annual health MOTs and access to physiotherapy and counselling to Cycle to Work schemes, shopping vouchers and life assurance.
• Performance‑related pay plan directly linked to company performance measures and targets.Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Base location: Maple Lodge – Hybrid – you will be required in the office or on site up to 3 days a week and will ideally drive and have access to a car

Working pattern: 36 hours per week

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Learn more about our purpose and values

Working at Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family.

Why choose us? Learn more.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support.

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.