Job Description

Job Title

Office Administrator

Location

St Mellons, Cardiff

Reporting To

Operations Manager & Company Director

Role Purpose

The Office Administrator will provide essential administrative and organisational support to the business, ensuring the smooth day-to-day operation of the office. This is a key support role with clear opportunities to progress into more senior administrative, commercial, or operational positions as experience and capability grow.

Key Responsibilities

Administration & Office Support

Provide general administrative support to the management and operational teams Manage incoming and outgoing correspondence (email, post, phone calls) Maintain accurate digital and hard-copy filing systems Prepare letters, reports, spreadsheets, and basic documentation Manage diaries, meetings, and travel arrangements where required
Commercial & Project Support

Assist with preparation and issue of purchase orders, delivery notes, and invoices Support project teams with document control (drawings, RFIs, TQs, specifications) Maintain project folders and ensure records are up to date Assist with timesheets, labour records, and basic cost tracking
Finance & HR Support

Support basic finance administration (invoice logging, expense tracking, supplier records) Assist with payroll administration (timesheets, holiday records, absence tracking) Maintain training records and staff certification logs Assist with onboarding documentation for new starters
Compliance & Systems

Support management of policies, procedures, and internal records Assist with audits, accreditations, and compliance documentation Maintain company databases and CRM systems where applicable
Skills & Experience

Essential

Strong organisational and time-management skills Confident using Microsoft Office (Word, Excel, Outlook) High attention to detail and accuracy Professional and confident communication skills Ability to work independently and manage multiple tasks
Desirable

Previous experience in an office administration role Experience within construction, engineering, or a similar industry Familiarity with document control systems Basic understanding of invoicing or accounts processes
Personal Attributes

Reliable, proactive, and well organised Willing to learn and take on responsibility Positive and professional attitude Able to work as part of a small, growing team Comfortable dealing with confidential information
Progression & Development Opportunities

This role is designed with

clear progression pathways

, which may include:

Office Manager

Commercial Administrator / Assistant Quantity Surveyor Support

Quantity Surveyor

The company is committed to development through:

On-the-job training and mentoring External training courses where appropriate Increased responsibility as skills and confidence develop
Progression will be based on performance, reliability, and the individual's interests and strengths.

Salary & Benefits

Competitive salary (dependent on experience) Training and development opportunities Pension scheme Holiday entitlement in line with company policy Opportunity to grow with an expanding business
Job Type: Full-time

Pay: From 24,420.00 per year

Benefits:

Canteen Company pension Free parking On-site parking
Work Location: In person