Senior Lead Technician #Water

Website TES Water

TES Group is an award-winning provider of innovative, technology-driven solutions for the power and water sectors. We create bespoke, flexible systems that transform critical infrastructure for clients worldwide. Due to continued growth, we are seeking an experienced and driven Senior Lead Technician to oversee our Testing & Inspection team.

As the Senior Lead Technician, you will take a hands-on leadership role in overseeing the testing, commissioning, and inspection of control panels both in-house and on-site. You will act as the technical authority for your team, ensuring quality, compliance, and efficiency across all testing operations. This role offers clear opportunities for growth and career progression as the company continues to expand.

Job Title Senior Lead Technician
Reporting to Factory Manager
Business/Division Testing & Inspection Team
Location Cookstown HQ
Contract Type Full-time, Permanent
Salary Negotiable

Key Responsibilities:

  • Lead and manage a team of Testing & Inspection Technicians
  • Oversee and perform the testing and commissioning of all control panels (in-house and on-site)
  • Coordinate and conduct FAT (Factory Acceptance Testing) and SAT (Site Acceptance Testing) activities
  • Liaise directly with clients to resolve technical queries and ensure satisfaction
  • Collaborate with Contracts Managers to align testing operations with project requirements and timelines
  • Conduct electrical fault-finding and ensure timely resolution of issues
  • Oversee NIC/EIC testing procedures
  • Uphold compliance with all ISO Quality, Environmental, and Health & Safety standards
  • Mentor and train junior technicians, fostering a culture of excellence and accountability
  • Provide regular reporting and documentation on testing activities

Essential Criteria:

  • 2395 or equivalent Testing & Inspection Certification
  • Significant hands-on experience in Testing & Inspection, preferably within the water, wastewater, or process engineering industries
  • Strong leadership capabilities with previous experience supervising or mentoring technical teams
  • Proficient in electrical fault diagnosis and technical problem-solving
  • Excellent communication and interpersonal skills
  • Strong organisational and time-management abilities
  • Proficient with computer applications including Excel and database systems
  • High attention to detail and ability to work independently under pressure
  • Full Driving licence
  • Exposure to ACC docs, BIM360 or similar platforms would be advantageous

What we offer:

  • Death in service Plan – x3 times Gross Salary.
  • Private Medical Insurance – Option to add Family.
  • 30 days Annual Leave
  • Training days and courses if required, in line with business needs.
  • Employee engagement events.
Closing Date - 17th December 2025 5pm

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You may apply for this position both electronically & by post, depending on your own preferences.

Apply Electronically

In order to apply for this position electronically please complete and send responses for both ‘Step 1’ and ‘Step 2’ on the tabs to the right.

Apply by Post

In order to apply for this position by post please view the tab to the right titled ‘Apply by Post’ and follow the instructions provided.


Only candidates successfully shortlisted will be contacted

We reserve the right to enhance criteria at shortlisting stage.

We are an Equal Opportunities Employer



      You may submit your application for this position by Post.

      To make your postal submission please follow the steps below;

      1. Write a brief cover letter detailing the position you wish to apply for
      2. Provide a hard copy version of your latest CV that you want to be considered for the position you are applying.
      3. Print and complete a copy of the TES Monitoring Form.
      4. Send all the above three items together to the address below;
        F.A.O. TES HR Deptartment
        TES Group
        Kilcronagh Business Park
        Cookstown
        Co. Tyrone
        BT80 9HJ