×
Register Here to Apply for Jobs or Post Jobs. X

Mailroom & Administration Assistant

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Castle Water
Part Time position
Listed on 2026-08-18
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Clerical, Data Entry
Salary/Wage Range or Industry Benchmark: 10530 - 11310 GBP Yearly GBP 10530.00 11310.00 YEAR
Job Description & How to Apply Below

The Mailroom and Administration Assistant will be responsible for managing incoming daily mail and returned mail, ensuring items are scanned, sorted, and delivered to the correct internal teams within agreed service levels. The role requires a reliable and organised individual who can work accurately, manage their time effectively, travel between the local Blairgowrie offices as needed, and work independently in a quieter office environment.

Full UK driving licence is required for this role. A car allowance is provided, and business mileage is reimbursable per company policy. Travel between office locations requires your own vehicle.

Hours:

Part-time, Monday to Friday, 12:00pm to 3:00pm.

  • Salary - £10,530 to £11,310 per annum DOE
  • Company pension, life insurance and sick pay
  • Monday - Friday with hybrid working, so your weekends are all yours
  • Cycle to work Scheme
What you'll be doing
  • Receive, sort, and process incoming daily mail and returned mail
  • Operate mail scanning equipment to ensure mail is captured accurately and efficiently
  • Deliver mail and scanned items to the appropriate internal teams in line with agreed service level agreements
  • Travel between local office locations to collect, deliver, or process mail as required
  • Maintain accurate records of mail received, scanned, distributed, or returned
  • Identify and elevate any issues that may affect mail delivery timescales or service levels
  • Ensure mail handling is completed securely and in line with internal procedures
  • Understand how to deal with confidential mail handling
  • Support internal teams with general administrative tasks during quieter periods
  • Contribute to the smooth running of daily office operations by being flexible and proactive
What you'll bring to the role
  • Ability to follow procedures and handle mail securely and confidentially
  • Previous experience in a mailroom, administration, office support, or similar role would be beneficial
  • Confident using office equipment, with the ability to learn and operate mail scanning machinery
  • Strong organisational skills and attention to detail
  • Ability to manage time effectively and meet agreed deadlines and service levels
  • Good communication skills and the ability to work with a range of internal teams
  • Reliable, flexible, and able to work independently
  • Comfortable working alone for periods of time in an office location that may not be busy
  • Comfortable carrying out routine tasks accurately and consistently

Castle Water is redefining the utilities sector as one of the fastest-growing and most successful companies in the UK. Guided by our core values of fairness, transparency, tenacity and being supportive, we deliver outstanding service to a diverse range of customers, including some of the UK's largest companies and public sector organisations.

We believe in putting people first. Whether it's creating positive interactions with our customers or fostering a supportive workplace culture, our commitment to fairness and transparency ensures we build lasting relationships with our customers.

With over 20,000 5-star Trustpilot reviews, our reputation is built on trust and excellence. We tackle every challenge with tenacity and a dedication to doing what's fair and right.

Our head office in Blairgowrie, Perthshire, is located within easy reach of Perth and Dundee. As a company embedded in the local community, we actively participate in events that reflect our supportive values. We also have offices in Brentford, London, and Ayr, offering plenty of opportunities to join our growing team.

If you're looking for company that's dynamic, forward-thinking and values-driven, Castle Water is the place for you.

It's been an incredibly rewarding experience

We're committed to making the process as smooth and accessible as possible. If you need any additional support or reasonable adjustments, please let us know. You can reach us by calling or emailing

#J-18808-Ljbffr
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary