Office Administrator

Job Title: Office Administrator

Location: South London

Salary: £35,000 - £38,000 annual salary (Depending on experience)

Job Type: Full-time, Permanent ( office based )

We are a currently looking for a Office Administrator to join a growing M&E Contractor based in South London. Delivering high-quality engineering solutions across a diverse portfolio of projects.

We are currently seeking an experienced, proactive, and highly organised Office Administrator to manage their day-to-day office operations and support our commercial and HR teams.

Key Responsibilities

As an Office Administrator, you will be the backbone of our head office. Your daily duties will include:

Financial Administration: Raising and tracking Purchase Orders (POs), matching delivery notes, and processing supplier invoices accurately.

HR Support: Managing basic HR admin, assisting with the on boarding of new staff/subcontractors, tracking training certifications, and maintaining personnel files.

General Administration: Acting as the first point of contact for office enquiries, managing incoming/outgoing post, ordering office supplies, and providing ad-hoc administrative support to Project Managers.

Data Management: Updating internal systems, spreadsheets, and databases to ensure all project documentation is compliant and easily accessible.

The Ideal Candidate

Proven experience working in a busy administrative or office management role. Experience within the construction, M&E, or engineering sectors is highly desirable but not necessary.

Strong numerical skills with experience handling invoices and PO processes.

Proficiency in MS Office Suite (particularly Excel and Word). Experience with construction-specific accounting or ERP software is a plus.

Excellent communication skills, a high level of attention to detail, and the ability to multitask and prioritise a varied workload independently