Installation Administrator in Wideopen

Better places, thriving communities.

Administrator

Mitie has a great opportunity for an Administrator to join our Installation team – the Security System Team – working in partnership with our client Sainsbury's.

• Base Location: Mitie Head office - Northampton
• Hours per Week: 40
• Job Overview

This role involves liaising and working with various stakeholders and requires the ability to communicate both verbally and in written form in a highly professional manner.

The Administrator will build effective and trusted customer relationships and deliver on KPI targets for projects in the electronic security sector.

Internally, the role interacts across the business with engineering and administration teams, subcontractors, and suppliers, and will update management information dashboards and trackers in accordance with agreed timescales.

• Role Objectives And Responsibilities
• Build and maintain effective customer relationships.
• Act as the first point of contact for all customer, supplier, and contractor calls, ensuring a professional and responsive service.
• Support service delivery and communication within the installations department.
• Liaise with internal teams, subcontractors, and suppliers to ensure smooth workflow.
• Maintain accurate and up-to-date customer records.
• Keep customers informed on project and work order progress.
• Manage administrative tasks promptly and respond to job‑related queries.
• Provide ad‑hoc support to the service desk as required.

Main Duties

• Handle and process customer enquiries and all associated communications.
• Ensure compliance by verifying engineer/subcontractor documentation is complete and accurate.
• Raise and process invoices and ensure all supporting documents are correctly filed.
• Confirm purchase orders are in place before work begins and monitor spend levels, escalating when authorisation is required.
• Collaborate with internal departments to resolve customer issues.
• Chase subcontractor paperwork and ensure timely invoicing.
• Maintain accurate system records, including call logs and customer information.
• Raise and track purchase orders, monitor delivery updates, and liaise with contractors.
• Follow all BMS procedures and ensure performance targets and SLAs are met.
• Order parts in line with contract requirements.
• Handle complaints professionally and escalate to management when needed.
• Maintain all work‑order trackers.
• Carry out any additional duties assigned by management.
• What We Are Looking For
• Strong customer service and relationship‑building skills with a professional telephone manner.
• A dependable team player able to work independently when required.
• Excellent communication and organisational abilities.
• Proficient in Microsoft applications.
• Commercial awareness, ideally with experience working to SLAs and KPIs.
• Enthusiastic, customer‑focused, and committed to delivering high standards of service.
• Able to take ownership of issues and support resolution collaboratively with engineers and contractors.
• Experience with CASH or similar work‑order systems is desirable.
• Security and Health & Safety
• Follow Group and company policies and procedures at all times.
• Report any apparent deficiencies in systems of work or equipment that may result in a failure of service delivery or risk to health, safety or the environment.
• Use all work equipment and personal PPE properly and in accordance with training received.
• Report any issues or training needs to your Line manager and/or via your divisional incident reporting system.

We are committed to ensuring our recruitment process is inclusive and accessible to all.

If you have a disability or long‑term condition and need reasonable adjustments during the recruitment process, please let us know.

Since 1987, Mitie’s 68,000 employees have been maintaining companies globally.

We are the UK's leading facilities management and professional services company, with clients ranging from household names in banking to critical government sites, hospitals and schools.

Join our Mitie Team

Together our diversity makes us stronger.

Our market‑leading offering provides you with benefits that suit your lifestyle.

We have a virtual GP on hand for you and your household, financial wellbeing assistance through a Salary Finance scheme, a flexible lifestyle benefits platform called Choices, the ability to purchase extra holiday days, critical illness insurance, discount programmes such as Mi Deals, a cycle‑to‑work scheme, life cover up to four times your salary, enhanced pension contributions, a save‑as‑you‑earn scheme, and a Mitie Matching Share Plan.

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