Postmaster Change & Adoption Specialist - Horizon Replacement

Post Office Ltd; Greater London; On-site; GBP 27,000 - 42,000; Part time

Benefits offered by this job

25 days leave

Bonus opportunity

Pension scheme

Digital GP access

Life assurance

L&D programmes

Employee discounts

Job summary

Post Office Ltd is seeking a part-time, fixed-term Transformation Delivery - Technology specialist based at Wood Street, London. You will act as the primary voice of postmasters, ensuring active participation in shaping and adopting the new EPOS system, embedding lived experience in design and delivery.

The role supports 11,500+ branches and involves workshops and stakeholder engagement. The position is 24 hours per week, for 12 months, with a competitive benefits package and ongoing development

Qualifications

• Active Postmaster with 3+ years operational Post Office experience.
• In-depth knowledge of Horizon system and product journeys.
• Keen interest in retail EPOS system and advancing technology and supporting user adoption.
• Experience in establishing cross-functional stakeholder relationships and running workshops.

Responsibilities

• Act as the primary voice of postmasters for the programme.
• Ensure postmasters are active partners in shaping and adopting the new EPOS system.
• Deliver successful adoption of the replacement EPOS system across 11,500+ branches.
• Lead workshops, training, demos or drop-in sessions and support change.

Skills

Post Office experience

Change management

Stakeholder engagement

Workshops facilitation

EPOS knowledge

Training delivery

Horizon system

Tools

Horizon system

Job description

Requisition ID19165-Posted11/06/2026-Transformation Delivery - Technology (50000053)-Transformation Delivery - Technology (60000462)-Wood Street (14402)-Transformation-Fixed Term-Part Time-City of London – and Greater London

Reporting Line: Communications and Change Lead
Contract type: Fixed Term Contract - 12 months
Working Hours: 24 hours per week (Part Time)
Grade: 3B
Location: Wood Street, London

What to expect

The Postmaster Change & Adoption Specialist is a key member of the Horizon Replacement team, responsible for contributing to the delivery of functional objectives, always modelling the Post Office behaviours. Acting as a trusted advisor, the Postmaster Change & Adoption Specialist will share their expertise in Branch Operations demonstrating best practice across the Horizon Replacement Programme.

The Postmaster Change & Adoption Specialist will act theprimaryvoice of postmasters for the programme. They will ensure that postmasters across the Post Office network play an active, informed, and inclusive role in shaping and adopting the new EPOS system and embedding their lived experience at the heart of design, delivery, and continuous improvement.This role ensures that postmasters are not just the recipients of change,butactive partnersin co-creatingtechnology transformation that works across diverse branch formats,communitiesand digital capabilities.

They will embody a culture of inclusion, continuous improvement, and high performance; with a key focus on delivering successful adoption of the replacement EPOS system across our network of 11,500+ branches.

What we can do for you

Our business is changing and we understand that attracting the right talent is pivotal in driving the positive change needed, to help us achieve our ambitious goals. Beyond a competitive salary, we offer a comprehensive benefits package that includes:

• 25 days annual leave (rising to 30 after 2 years), plus bank holidays
• Up to 10% on target bonus opportunity
• Generous pension scheme with minimum 10% employer contribution
• Access to 24/7 digital GP services and our Employee Assistance Programme
• 6 x Life assurance and income protection after 12 months service
• Over 400 online courses, mentoring, apprenticeships, and development programmes
• Access to our benefits platform for exclusive discounts & savings
• Must be an active Postmaster with 3+ years operational Post Office experience*, demonstrating successful commercial growth and operational excellence.
• In-depth knowledge of the current Horizon system, it’s operation and product journeys.
• Keen interest in retail EPOS system / advancing technology and supporting user adoption
• Proven experience collaborating with peers, colleagues, and stakeholders to contribute to the delivery of functional strategy to achieve business objectives.
• Experience of running workshops, training, demos or drop-in sessions
• An understanding of actively supporting others through change, team development or capability building
• Experience in establishing successful, cross-functional stakeholder relationships.

About us

At Post Office Ltd, we’re proud to be at the heart of communities across the UK, upheld by the dedication and service of our postmasters. We offer essential services that people rely on every day, from parcels and banking to identity and government services. While we continue to evolve with digital innovation, our commitment to personal, face-to-face service remains core to who we are.
Our journey is one of reflection, growth, and meaningful change. We’re looking for people who think differently. Those with resilience, purpose, and a deep sense of responsibility to our postmasters, partners and the communities they serve. If you're driven by the chance to make a real impact and help shape a future, built on progress and integrity, we’d love to hear from you. For more details visit [e-mail]

Application Guidance

Our commitment to embracing diversity extends beyond just words. While we’ve outlined key skills above, we recognise that great candidates come from a variety of backgrounds. We value diverse perspectives and are committed to building an inclusive workplace where everyone can thrive.
As a Disability Confident Employer, we recognise the value people with disabilities can bring to our business. If you require any reasonable adjustments throughout the recruitment process or would like further details on the job description, please contact [e-mail]
We’re thrilled by your interest in this opportunity and truly value every application we receive. Please note the advert may close early if we receive a high volume of applications. Unfortunately, we’re unable to provide individual feedback on all submissions.