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Interim Management Accountant

Reporting to the Financial Controller the management accountant is responsible for assisting with the management of all aspects of the stock management system. An ability to take on ad hoc projects and liaise with other members of the finance team on the achievement of improved targets.

Important Information
Location: Headquarters, Brett Martin Ltd, 24 Roughfort Road, Newtownabbey, Northern Ireland, County Antrim, BT36 4RB
Date Posted: 17th March 2026
Closing Date: 3rd April 2026
Industry: Manufacturing and Engineering
Job Type: Full time
Salary: Based on Experience

About the role

Main tasks and duties:

  • Assist in the management of the stock systems and recommendations for and implementation of improvement in the same

  • Assist with the maintenance of the Bills of Material including setting up new product codes where necessary

  • Liaise with the Production function regarding stock count variances, taking a lead role in improvement projects

  • Perform periodic raw material stock audits and material management procedures reviews

  • Preparation of monthly overhead reports, liaising with relevant department managers and provision of financial analysis to support decision making

  • Month end journal calculation and processing

  • Monthly balance sheet reconciliation

  • Financial analysis and recommendations on an ad hoc basis as required.

 

Communications

  • Ensure communications are maintained at the highest possible level between management and the workforce and keep your manager advised of impending situations which could develop into more serious problems;

  •  Develop mutual respect with employees, by ensuring that all dealings are objective and impartial.

 

Health & Safety

  •  Through good housekeeping procedures ensure that a safe and clean working environment is kept at all times.

 

Administration

  • Ensure that all reports, studies etc. required are accurate, submitted on time and to the required standard.

 

General

  •  Ensure compliance with the company's Equal Opportunity Policy;

  •  Any other duties as may reasonably be required.

What you will need

Required criteria

  • Membership of a recognised accountancy body or currently working towards a recognised accountancy qualification
  • At least 2 years recent & relevant broad based Accountancy experience.
  • Advanced working knowledge of windows based software including Microsoft Excel
  • Experience of ad hoc projects
  • Excellent written and oral communication, time management & organisational skills
  • Attention to detail
  • Highly analytical
  • Can use initiative & work to strict deadlines
  • Work with minimum supervision
  • Ability to work as part of a team
  • Reliable & conscientious

Desired criteria

  • An honours degree in Business Studies or Accountancy or similar Post Graduate Qualification
  • GCSE’s or equivalent at Grade B or above in Mathematics & English
  • Demonstrate experience in a manufacturing environment
  • Experience of Microsoft Dynamics or Power Bi

Brett Martin

With more than sixty years of plastic manufacturing experience, servicing a diverse range of industries, our success has been built on a unique combination of great people, great products and a desire to go further on behalf of our customers around the world.

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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.

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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.

Our benefits

Brett Martin offers a comprehensive range of rewards and benefits to its employees. The company is committed to safeguarding the health, safety, and wellbeing of its staff by providing life assurance, safety wear, HR support, and free car parking. In terms of pay and benefits, employees enjoy competitive salaries, profit-related pay, uniform allowance, and an employer contributory pension scheme. Brett Martin also invests in the development of its employees through access to training courses, progression opportunities, and travel experiences. The company fosters a positive working environment with charity and fun day events, team building initiatives, service-linked holidays, and suggestion scheme rewards.

Performance bonuses

Retirement plan and/or pension

Free parking

Cycle to work

Life insurance

Long service recognition

Employee Assistance Scheme

Wellbeing Scheme

Work With Charities

Social Opportunities

Employee of the Month

Employee Recognition Scheme

Annual performance review

Culture of recognition

On the job learning

Progression opportunities

Access to Health & Wellbeing app

Service recognition increases to annual leave

Staff celebration events

Interim Management Accountant

With more than sixty years of plastic manufacturing experience, servicing a diverse range of industries, our success has been built on a unique combination of great people, great products and a desire to go further on behalf of our customers around the world.