Job Description
What you'll do
The Shared OSS Technical Delivery Lead is responsible for leading the technical delivery of transformation projects within the shared OSS domain, coordinating stakeholders across different teams and partner organisations. This role ensures projects plans are aligned to the wider company’s objectives and delivery teams operate with clear objectives and milestones.
The management of inbound demand from external partners is a key responsibility, as is maintaining strong relationships with these partners to ensure delivery performance, governing contractual alignment, and the realisation of business value. The role collaborates closely with cross-functional teams to support the successful delivery of Network initiatives.
Finally, the role requires effective management of a range of senior stakeholders and the ability to coordinate both internal and external communications, ensuring transparency, alignment, and the successful delivery of strategic objectives.
The role ensures efficient financial management and planning. The role also manages critical relationships with vendors and external partners, ensuring delivery excellence and contractual compliance.
Qualifications
Who are you
* Ability to establish and maintain comprehensive project artefacts.
* Credible and effective communicator and influencer, able to work with stakeholders to agree, prioritise and drive forward a wide range of requirements.
* Demonstratable experience in managing technical projects, coordinating stakeholders across different teams and partner organisations.
* Strong understanding of OSS and IT technology and good understanding of mobile network architecture and relevant processes in network design, deployment and operations.
* PRINCE2 Practitioner Certified – or equivalent
Worried that you don’t meet all the desired criteria exactly?
We know that everyone is unique, with multiple aspects to their identity and different experiences behind them. We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.
Additional Information
What we offer
We care about our people’s success by offering great pay, bonuses, up to 28 days off plus bank holidays, and paid time for charity work. You can personalise our benefits for you and your family, like discounts, vouchers, a pension plan and loads more. We help with your career through our amazing learning tools and top-notch parental leave policies.
Posting End Date: 23rd May 2026
Need to know
We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulators standards.
We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee-led DEI Networks, we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please contact your recruiter directly or email jobs@three.co.uk for guidance.
We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine-tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.
During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.
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