System Admin in Newtownabbey

At Henderson Group, we are proud to be one of Northern Ireland's leading family-owned businesses. With more than 6,000 colleagues, our group encompasses Henderson Wholesale, Henderson Retail, Henderson Foodservice and Henderson Group Property. Henderson Wholesale is a leading Wholesaler in Northern Ireland and supplies goods to over 450 stores across various brands such as SPAR, EUROSPAR and VIVO. We source from local farmers, growers and producers and are proud to contribute to our local economy and environment.

The successful candidate will form part of the System Administration team within Henderson Wholesale, supporting our operation and contributing to the wider warehouse function where required. The team are responsible for maintaining the Warehouse Management System (Manhattan), controlling stock and providing a comprehensive service across both Fresh and Ambient operations. This includes supporting the inbound and outbound teams within HWL, including Dispatch, Warehouse, Transport, Customer Service Desk and Trading teams. From time to time, flexibility will be required to provide cover and support business needs.

As a System Administrator, you will move beyond transactional processing and play a key role in maintaining and optimising the Warehouse Management System that underpins our warehouse operation. You will take ownership of system accuracy, data integrity and stock control across both inbound and outbound functions. You will regularly analyse daily and weekly reports such as Code Date, Held Location, Held Product and Product Purge reports to ensure the information held within the system is accurate and reflective of live operations. You will update and monitor key KPIs, supporting performance visibility across the department.

A significant part of the role involves investigating and resolving operational queries. This may include reviewing shorted products, analysing RF exceptions, checking product dimensions and inventory discrepancies, and responding to Customer Service, Trading, Buying and Finance queries. You will also troubleshoot system or equipment issues impacting warehouse operatives, acting as a key link between operational teams and system functionality. You will play an active role in decision making within the warehouse environment. This includes prioritising RF activity, adjusting stock and product locations to optimise let-downs, reviewing promotional volumes and assigning new product locations based on operational need. You will also manage elements of system configuration such as user set-up, replenishment controls and location structures, ensuring the system continues to support an efficient and compliant operation.

Overall, this role requires someone who enjoys working with detail and data but is equally comfortable communicating across teams, influencing improvements and helping to keep the wider warehouse operation running smoothly. It would particularly suit someone who can adapt quickly, work across multiple areas and provide dependable support where business priorities require it.

Joining us as System Administrator, the minimum criteria you'll need is:

• A minimum of GCSE Grade AC (or equivalent) in English and Maths
• Experience working with a Warehouse Management System
• Confidence using Microsoft Office packages, particularly Excel, Outlook and SharePoint
• Direct experience using Manhattan WMS is highly desirable and will be considered a strong advantage

The attributes you'll need include:

• Strong problem-solving ability, with the confidence to analyse information, think logically and work through complex issues
• Comfortable working both independently and collaboratively within a wider team
• Clear and professional communication skills, both written and verbal
• Resilient and confident when managing challenges or responding to queries
• A proactive approach, with a genuine willingness to learn and develop new skills
• Able to prioritise workload effectively in a fast-paced environment
• Customer focused, with an understanding of how system accuracy supports operational performance

Desirable criteria includes:

• A third-level qualification in IT/Business/Administration or equivalent
• Experience supporting stock control processes within a warehouse or logistics environment

As part of this role, it will be important that you feel aligned with the values that we live and work by:

• Ambition: We always strive to be better. We seek new challenges and look for ways to do things better.
• Customer First: We provide exceptional service. We put customers at the heart of everything and support our communities.
• Teamwork: We succeed together. We help colleagues to succeed, and we share our knowledge and skills.
• Integrity: We are fair, honest and ethical. We treat everyone with dignity and respect. We are inclusive and champion diversity.

The impact you can make with Henderson Group goes far beyond your day to day. You will be part of a business supporting defibrillator installations and school sports days. In the last year Henderson group staff and retail stores raised over £1 million for charity partners.

Competitive salary, staff discount (grocery/fuel) at SPAR/EUROSPAR Henderson Group company-owned stores, THE STORE discount scheme throughout UK/Ireland, Employee Assistance Programme, Social Club, Healthcare Scheme, Pension Scheme, Full training provided, Career progression opportunities, A safe, clean, and friendly working environment.

This is a permanent role, working 21 hours per week. Days of work are as follows: Thursday: 12:00-20:00, Friday: 12:00-20:00, Saturday: 06:00-12:30. A degree of flexibility will be required in this role, including the ability to support both Fresh and Ambient operations as business needs require. This may also involve providing cover across a variety of shift patterns, including evenings and nights, as well as offering support across different roles within the wider team. This role presents an exciting opportunity for someone looking to broaden their knowledge, build cross-functional experience and develop their career within logistics.

Completed applications must be submitted online by midnight on Thursday 15th October 2026. We are an equal opportunities employer.