Senior Lead Technician
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
About the role
TES are an award-winning environmental engineering company specialising in Water Treatment and Power Distribution solutions. 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.
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.
What you will need
Required criteria
- • 2395 or equivalent Testing & Inspection Certification
- • Significant hands-on experience in Testing & Inspection, preferably within the water, wastewater, or process engineering industries
- • Full Driving licence
TES Group
TES are water and power technology engineering experts specialising in critical infrastructure. We provide specialist services to the water / power industries worldwide. We are an ambitious, innovative organisation within the sectors we operate; young, progressive, responsive, client-needs-driven and on the cutting-edge of technology. These core characteristics have resulted in highly efficient internal manufacturing capabilities and meaningful client partnerships, enabling us to provide custom designed, flexible solutions.

TES provide clients with an all encompassing service from initial project conception right through to design, construction, installation and maintenance. We support our clients throughout the lifecylce of the project. TES use in-house resources in the delivery of your projects; from design through to installation and operation. This provides clients and partners with the reassurance of our control over delivery throughout a projects lifecycle.

At TES Group, our company culture is built on collaboration, innovation, and integrity. We foster an inclusive environment where every team member’s ideas are valued, encouraging creativity and continuous improvement. Our people are passionate about delivering sustainable engineering solutions that make a positive impact on communities and the environment. We prioritize professional growth, safety, and well-being, empowering our employees to thrive both personally and professionally. By promoting open communication, mutual respect, and shared success, we’ve cultivated a workplace where dedication and teamwork drive exceptional results and lasting client relationships.
Our benefits
Health insurance
Retirement plan and/or pension
Life insurance
Progression opportunities
Senior Lead Technician
TES are water and power technology engineering experts specialising in critical infrastructure. We provide specialist services to the water / power industries worldwide. We are an ambitious, innovative organisation within the sectors we operate; young, progressive, responsive, client-needs-driven and on the cutting-edge of technology. These core characteristics have resulted in highly efficient internal manufacturing capabilities and meaningful client partnerships, enabling us to provide custom designed, flexible solutions.


