Location: Brockworth, Gloucestershire
Salary: Competitive

Contract: Permanent

Team: Onecom Partners

Why Join Us?

Onecom is the UK's leading business technology provider, shaping the way we work, connect, communicate and operate.

You will join a multi-award-winning company, with over 800 talented people committed to delivering great customer experiences driven by the Onecom Way; Think Kaizen, Be Respectful, Build Relationships, Make it Happen, Work Smart, Be Amazing.

About the role 

We’re looking for a Mobile Proposition Manager to join our Onecom Partners Commercial team, playing a key role in the ongoing development and performance of our mobile proposition.

Reporting to the Partner Billing & Commercial Director, you’ll take ownership of a broad range of commercial activity across our mobile portfolio. From analysing commercial performance and identifying opportunities, to managing tariff changes, migrations and enhancing the OneHub partner portal, this is a varied role where your insight and attention to detail will make a real difference.

You’ll work closely with colleagues across Sales, Finance, Operations, Billing and Development, while also building effective relationships with our external Partners and Suppliers.

What you'll be doing

You’ll become a key point of knowledge for our mobile proposition, combining strong commercial awareness with detailed analysis and effective stakeholder management.

Your responsibilities will include:

• Taking the lead on key areas of the mobile proposition, including identifying base opportunities and completing detailed impact analysis.

• Overseeing Redbill reporting and managing monthly overlay analysis, including seeking the necessary credit approvals.

• Managing the end-to-end process for tariff changes, including Product Tariff Guides and Deal Calculators.

• Taking ownership of the mobile migration process, ensuring activity is effectively managed from start to finish.

• Acting as a key liaison between the Development and Mobile Operations teams, helping ensure commercial requirements are understood and delivered.

• Supporting the ongoing development of OneHub, including providing portal demonstrations to Partners.

• Working alongside our Sales teams on deal stacking and helping them understand the commercial implications of potential opportunities.

• Carrying out margin impact analysis across product areas when required.

• Using data and commercial insight to identify trends, opportunities and potential risks.

• Reviewing and challenging existing processes, looking for smarter and more effective ways of working across Partner Commercial and the wider business.

• Building strong working relationships with stakeholders across Sales, Finance, Operations, Billing, Development and our external Partner and Supplier network.

What we're looking for

• Strong numeracy and analytical skills, with the ability to interpret information and identify patterns, trends and risks.

• Experience using Excel, together with an appetite to develop your skills to intermediate or advanced level.

• Excellent attention to detail and a strong focus on accuracy.

• Good commercial awareness and an understanding of how individual decisions can impact wider business performance.

• A proactive approach to problem solving, with the confidence to investigate issues and find practical solutions.

• The ability to manage several priorities at once and remain organised when working with high volumes of activity.

• Confidence working independently, using your own initiative and taking ownership of your responsibilities.

• The ability to work effectively to tight deadlines while maintaining high standards.

• Strong communication and stakeholder management skills.

• A continuous improvement mindset, with the confidence to challenge existing processes and suggest better ways of working.

• A flexible approach and willingness to get involved across a varied range of commercial activity.

Perks for our people

🌟 Holidays: 25 days + bank holidays and buy/sell options

🌟 Other Leave: Birthday day off, 12 paid hours for flexible use, Volunteer day

🌟 Lifestyle: 9% combined pension contribution and 4x salary life assurance

🌟 Rewards: Quarterly and annual employee awards, discounts on tech

🌟 Socials: All-expenses-paid company events

🌟 Development: In-House Training Academy

🌟 Wellbeing: 24/7 access to mental health support, Calm App, discounted gym membership, free breakfast & fresh fruit, eye-care vouchers, financial wellbeing support

Everyone belongs at Onecom

We believe that diverse teams bring a range of experiences and better ideas that fuel innovation. That’s why we’re committed to creating an environment where everyone feels valued, respected, and able to bring their authentic selves to work. We welcome applications from people of all backgrounds, experiences, identities, and perspectives.