Join the Southern Region where your work truly matters.
Covering Wessex, Sussex, and Kent, the Southern Region is one of the busiest and most dynamic parts of the railway. Our teams keep some of the UK's most vital passenger and freight routes moving every single day.
This is a place where collaboration, innovation, and resilience are key and where your contribution will directly impact millions of journeys. We are entering an exciting new chapter as we integrate with train operating companies under one national leadership, creating even greater opportunities to shape the future of rail.
From supporting major modernisation programmes to improving performance for local communities and enhancing safety across complex operational environments, Southern offers a fast-paced, rewarding environment to grow your career and make a real difference.
Looking to build your commercial career while contributing to projects that make a real difference? We're looking for an enthusiastic and motivated Assistant Commercial Manager to join our team working on the Sussex Route to help deliver value across a diverse portfolio of works.
Assistant Commercial Manager
Shape commercial success and grow your career
As an Assistant Commercial Manager, you'll play an important role in supporting the Commercial Manager with pre-contract activities and the commercial management of projects across the Sussex Route. You'll help ensure contracts are managed effectively, payments and variations are accurately assessed, and projects are delivered in line with contractual and compliance requirements.
This is an excellent opportunity for someone looking to develop their commercial expertise, gain exposure to a variety of contracts, and build a rewarding career within a supportive and collaborative environment.
What you'll be doing
As part of our commercial team, you'll:
- Support the measurement and evaluation of the commercial value of payments, ensuring works are correctly certified before authorisation and aligned with contractual obligations.
- Assist in monitoring and reporting on the commercial performance of allocated projects.
- Contribute to the preparation of contract specifications, tender documentation, and procurement activities.
- Support the commercial and contract management of a range of contract categories, helping to ensure best value and effective project delivery.
- Build positive working relationships with project teams, suppliers, and stakeholders to support successful outcomes.
Essential
- Ability to work to deadlines.
- Good problem-solving skills.
- Basic level of commercial awareness
- Basic negotiation skills with ability to influence decision making.
- Computer literate including ability to utilise in-house and external software.
Desirable
- Able to effectively communicate at the appropriate levels, both internally and externally
- Membership of an appropriate professional organisation, or working towards membership
- Experience of using electronic sourcing and/or procurement systems
How to apply Internal -
Band & Salary: circa £32,000
Vacancy type: Perm
Location: London Puddle Dock
Closing date: 13 th August 2026
We're an organisation where people matter. We matter to millions.
We offer excellent benefits, including:
- Generous annual leave with the option to buy/sell days.
- Defined benefit pension scheme.
- 75% subsidy on rail and underground season tickets.
- Up to 75% off leisure travel.
- Carer's leave to support those who matter.
- Healthcare Scheme, GymPass discounts, Cycle to work plus more.
- We offer generous maternity, paternity, and adoption leave to support our employees during significant life moments
Discover all our benefits and what life is like at Network Rail.- click here
Click apply now to apply.
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We're proud to champion a diverse and inclusive workplace that reflects the communities we serve. To explore our ED&I commitments, https://www.networkrail.co.uk/who-we-are/diversity-and-inclusion/ .
You can visit Evenbreaks Career Hive for advice on accessibility support if you're unsure of the options available. Should you require any reasonable adjustments/modifications, please add a note to your application.
All offers of employment are conditional upon satisfactory completion of pre-employment checks.
***Some of our roles require face to face Drugs & Alcohol testing. Further details will be shared with you as part of your formal offer.****
For further information please contact Allyson Mulvihill on 07922 013694
