Administrative Assistant (Maternity Cover) in Newtownabbey

Location: Brett Martin Ltd, 24 Roughfort Road

Join Brett Martin, a globally recognised leader in plastic and building product manufacturing, as an Administrative Assistant (Maternity Cover) at our Headquarters in Northern Ireland. We are seeking a proactive and organised individual for an exciting fixed-term opportunity within our Finance team. Reporting directly to the Financial Controller, you will provide essential, confidential and professional administrative support, helping to ensure the smooth and efficient operation of a range of business activities. From purchase ledger administration and travel coordination to office support and customer service, this is a varied role offering exposure across multiple departments. This role offers flexible working hours, with reduced or part-time hours considered for the right candidate. If you have excellent organisational skills, strong attention to detail and enjoy working in a fast-paced, collaborative environment, we would love to hear from you.

About The Role

Join our busy Finance team as an Administrative Assistant (Maternity Cover) providing essential support across purchase ledger, administration and office services.

Key Responsibilities

• Process supplier invoices and support purchase ledger activities
• Arrange travel, accommodation and courier bookings
• Provide switchboard cover and administrative support across departments
• Coordinate hospitality requirements for meetings and visitors
• Maintain accurate records, databases and reports
• Support purchasing activities and general office administration

What We're Looking For

• Previous administration experience in a busy office environment
• Strong organisational and time management skills
• Excellent attention to detail and accuracy
• Proficient in Microsoft Office
• Professional, approachable and able to manage multiple priorities

This is an excellent opportunity for a highly organised individual to join a collaborative team in a varied and fast-paced role.

About The Company

At Brett Martin, you’ll join a workplace where our teams have created a positive working and learning environment. We have career pathways for everyone, whether you’re looking for a specific office role or would like to work hands-on with products. No matter which area of the business you join, you’ll find plenty of opportunities to learn new skills and develop a rewarding career.

Company Culture

Brett Martin, established in 1958, is a leading independent manufacturing company based in Northern Ireland, employing around 1,000 people across its UK sites. With a head office in Mallusk, Co. Antrim, it specializes in plastic sheets, roof light systems, and plumbing and drainage products. Known for its commitment to investment in technology, sustainability, innovation, and employee development, Brett Martin is a top Northern Ireland employer. The company boasts a turnover of £195 million, 50% of export sales to over 74 countries, and 25% of its operations are sustainably powered.

Required Criteria

• At least 1 year’s administrative experience in a busy office environment.
• Experience handling telephone and/or switchboard enquiries.
• Effective communication and interpersonal skills.

Desired Criteria

• Experience arranging travel, accommodation and courier bookings.
• Experience working in a manufacturing or fast-paced business environment.

Closing Date Sunday 2nd August, 2026

Contract Type fulltime

Salary Based on Experience