Job Description

Key Account Support Administrator

Location: Abingdon (OX14 1RL)

As a Key Account Support Administrator at Trinity — you’ll be at the centre of a partnership with a high-profile national client, ensuring their operations run flawlessly. This is a role where organisation, communication, and problem-solving translate into visible results.

This role is ideal for someone who enjoys fast-moving, detail-critical work where every decision has impact. You’ll have the support of a skilled team, the opportunity to grow your client management expertise, and the satisfaction of knowing your work directly shapes the success of a national operation.

This role is a full time, permanent role working 8.30am to 5pm Monday to Friday from our Abingdon office (OX14 1RL).

The role of Key Account Support Administrator

In this role, you will be the operational heartbeat for a high-profile national client, owning scheduling, coordination, and data accuracy so SLAs and compliance land on time, first time. You’ll work at pace, keeping stakeholders aligned.

What you'll be doing;

• Client & stakeholder management, serve as the primary client contact, ensuring clear communication (via phone, email and digital channels) and translating client needs into actionable plans for delivery teams.

• Planning & scheduling, coordinate and track annual compliance requirements, reactive works, permits, and follow-on actions through to completion.

• Continuous improvement, identify scheduling bottlenecks, data defects, and communicate to Contract Manager.

• Administrative tasks - uploading records to customer portals, keeping records accurate and up to date from point of contact through to invoicing

Experience required

At Trinity, we believe that great employees share key qualities: a vibrant energy, a positive attitude, a commitment to excellence in customer service, and a strong sense of responsibility towards their work. We are seeking exceptional individuals who embody these traits and are passionate about making a difference.

For this exciting opportunity, we are looking for candidates with:

• Confident communicator, clearly communicate with clients and engineers.

• Strong organiser with an eye for detail, plans ahead, triages calmly, meets tight deadlines.

• Service Operations experience, working on customer portals and management systems.

• Computer literate, with the MS Office suite.

Why you'll love working here

• A supportive, friendly team that values collaboration and clear communication.

• 23 days' holiday (plus bank holidays)

• Salary sacrifice company pension scheme

• 3 x salary Life Assurance

• Access to our Employee Assistance Programme for your wellbeing

Equal Opportunities in Practice

We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

Security Vetting

It is an industry requirement that successful candidates / future employees undergo security vetting. Offers of employment are subject to satisfactory vetting and may be withdrawn if the required standards are not met.

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