Senior Technical Support Engineer

Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specialising in water, energy, and waste management, Veolia Group designs and implements innovative solutions for decarbonisation, depollution, and resource regeneration, supporting communities and industries in their ecological transformation.

Veolia brings together a dedicated team of experienced professionals committed to tackling Veolia the world’s most complex challenges related to water scarcity, quality, productivity, and energy. Together, we pursue a shared mission to create a more sustainable future.

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 (with option to buy / sell!), Pension Scheme, Private Medical Insurance, Access to a Private GP, Company Bonus Scheme and much more!

We’re looking for a highly skilled and motivated Senior Technical Support Engineer to provide advanced technical support across our partner network, platform, and key customer accounts. This is an exciting opportunity for someone who thrives on problem‑solving, enjoys hands‑on technical work, and is eager to travel internationally.

In this role, you’ll be at the forefront of delivering expert technical support both pre- and post‑sale, working closely with customers and partners to ensure optimal system performance.

What you will be doing…

• 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

This role is ideal for someone who enjoys variety and independence, with regular travel that may include overnight stays or trips of up to 10 days internationally.

What we are looking for…

Essential Skills & Experience

• 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
• Confident working independently and as part of a team
• Experience writing clear technical reports and documentation
• 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

Qualifications

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

If you’re a technically driven professional who enjoys solving complex problems and wants a role that takes you around the world, we’d love to hear from you.

Employee Benefits Package

• 25 Annual Leave + UK Bank Holidays (with option to buy / sell!)
• Pension Scheme
• Private Medical Insurance
• Access to a Private GP
• Company Bonus Scheme

We offer a comprehensive benefits package to support your well‑being, work‑life balance, and…