Installation Administrator

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

This role involves being able to liaise and work with various area and stakeholders and requires the ability to communicate, both verbally and written, in a highly professional manner. To build effective and trusted customer relationships and KPI delivery on projects in the electronic security sector. Internally, you will be interacting across the business with engineering and administration teams, sub‑contractors, and suppliers.

Management information dashboards and trackers will be updated in accordance with agreed timescales as a part of the role.

• 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.
• 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 escalating to management when needed.
• Maintain all work‑order trackers.
• Carry out any additional duties assigned by management.

• 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.

• Follow Group and company policies and procedures at all times.
• Report any apparent deficiencies in systems of work or equipment provided that may result in failure of service delivery or risk to health and 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.

Our market‑leading offering provides you with benefits that suit your lifestyle. We have a virtual GP on hand for you and members of your household. You can get expert advice by video or phone without leaving your home. We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee.

Salary Finance also offers competitive loans. When you join us, we'll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days’ holiday each year, buy critical illness insurance, seek dental treatment, or buy technology products at an affordable cost. There are many choices! We give you access…