Senior Technical Support Engineer

Job Description

Senior Technical Support Engineer – Office-based in Lane End, High Wycombe with international travel. Permanent, full‑time (Monday‑Friday, 37 hours). 25 annual leave + UK bank holidays, pension scheme, private medical insurance, bonus scheme and more.

• Provide advanced technical support across ELGA systems and partner networks.
• Travel to customer sites in the UK and overseas to diagnose and resolve complex issues.
• Support large‑scale installations, including validation and performance troubleshooting.
• Contribute to beta testing, gathering real‑world performance insights.
• Develop and maintain technical documentation for internal and external use.
• Participate in product risk assessments, offering practical insights.
• Deliver and support technical training for partner teams globally.
• Manage and assess warranty claims, including testing returned components.

• Strong technical background in water treatment systems.
• Solid understanding of mechanical and control systems.
• Experience diagnosing faults using tools like multimeters or oscilloscopes.
• Analytical mindset with a methodical problem‑solving approach.
• Ability to interpret data and make informed decisions.
• Excellent communication skills – able to explain technical concepts clearly.
• Confidence working independently and as part of a team.
• Experience writing clear technical reports and documentation.
• Comfortable handling challenging customer interactions.
• Strong IT skills (e.g. Google Workspace or similar).

• Experience in a Technical Support Engineer or Service Engineer role.
• Background in mechanical or chemical engineering.
• BTEC Level 4 (or equivalent) in an engineering discipline.
• Ability to deliver or support technical training and presentations.
• Multilingual or able to communicate across different cultures.

• GCSEs (or equivalent) including English and Maths.
• Vocational or professional qualification in a science or technical field.

• 25 days annual leave + UK bank holidays.
• Enhanced pension scheme.
• Private medical insurance (BUPA).
• Group income protection, dental and travel insurance.
• Group life assurance and critical illness cover for you and your partner.
• Personal computer, car leasing and cycle‑to‑work schemes.
• Exclusive discounts and recognition programmes.
• Eye care and flu vouchers.
• 24/7 access to virtual GP consultations.
• Flexible benefits options such as buy/sell annual leave.

As an inclusive company, Veolia is committed to diversity and gives equal consideration to all applications, without discrimination.