Careers

Job description:

Position: Administrative Assistant

Location: McQuillan Environmental, Antrim

Responsible to: Hazardous Commercial Manager

Contract type: Full-time/Part-time, permanent

Salary: Competitive

Why work for McQuillan Companies?

McQuillan Companies is a family-run business based in Northern Ireland, delivering a diverse range of construction, environmental and facilities management services across the public, private and commercial sectors. Our expertise spans civil engineering, road surfacing, demolition and quarrying, including the supply of premium aggregates and bituminous materials, alongside total waste management, and accredited environmental testing. We also provide year-round outdoor and facilities maintenance services such as winter gritting, outdoor cleaning, landscaping, property restoration, and insurance reinstatement.

McQuillan Environmental is one of Northern Irelands leading waste management companies, providing recycling and hazardous waste management to the region’s leading companies throughout GB & ROI. We are a multi-site waste and resource management organisation serving all industrial and public sectors including hospitality, retail, manufacturing, construction and pharmaceutical to meet their sustainability and legislative commitments. We ensure that Sustainability is at the core of our waste management practices and as we move into the Circular Economy, we offer tailored solutions to support all our customer’s Corporate Social Responsibility requirements.

We offer a range of benefits including:

• Competitive salaries
• An employee health scheme
• Employee private healthcare
• An excellent employee pension scheme
• 31 days of annual leave, increased in line with years of service milestones
• Working as a part of a dynamic group of professionals who excel at maintaining regulatory standards while fostering a supportive and welcoming environment
• Excellent development, learning and training opportunities
• Participation in a range of team building activities

Overall objectives

We seek to appoint an Administrative Assistant to join our busy and expanding team within McQuillan Environmental.

If you are looking for a career opportunity within a growing business that includes a range of benefits, in a dynamic and engaging working environment then McQuillan Companies is the place for you.

This role will require someone with a ‘can do’ attitude, a commercial approach and demonstrable attention to detail. The successful candidate will report to the Hazardous Commercial Manager and must be hardworking, reliable, and possess excellent communication & interpersonal skills. In return you will be awarded a competitive salary, variety within your role, the ability to build upon your existing experience within the profession and the opportunity to work within a friendly and supportive team.

Key responsibilities:

• Provide comprehensive administrative support to ensure efficient office operations.
• Manage and organise files, documents and records in both physical and electronic format.
• Preparation of Customer Reports, both scheduled & on request.
• Processing weekly timesheets.
• Support of other clerical tasks as required to facilitate the smooth running of the office.
• Ad-hoc support for existing waste administrators & management team.
• Preparation & raising of sales invoices. (Full training will be provided)
• Running End of Month Financial Reports & distributing as required.
• As duties and responsibilities change, the job description will be reviewed and amended in consultation with the post holder.
• Provide a professional and informed customer service via email, telephone and face-to-face.
• Resolve customer issues, and where necessary escalate to waste management.

Essential Criteria:

• Proven experience in an administrative or customer facing role is preferred however not essential, we welcome candidates eager to learn.
• Excellent Communication Skills.
• Competency in the use of computer software including Microsoft Office (Outlook, Excel, Word, etc.) & Google Drive.
• Excellent communication skills, both written and verbal, with a focus on professionalism in all interactions.
• Ability to work on own initiative & problem-solve as well as working in a small team environment.
• Strong organisational skills with the ability to prioritise tasks effectively in a fast-paced environment.

Closing date for applications is: Sunday  25th  October 2026. 

This job description should not be regarded as conclusive or definite. It is a guideline within which the individual jobholder works. It is not intended to be rigid or inflexible and may alter as the Company’s strategic direction changes.