Powering reliability for customers across the UK
At Critical Power Supplies Ltd, our work protects the systems businesses rely on every day. From supporting essential infrastructure to enabling always-on operations, we’re focused on delivering reliable outcomes—safely, professionally, and with care.
When you join CPS, you’ll be part of a supportive environment where your skills are valued, your development is encouraged, and your contribution makes a real difference.
Innovate and improve
Work with a team that looks for better ways to solve problems and deliver reliable power protection in fast-moving environments.
What you can expect
- Exposure to varied technologies and customer requirements
- Practical, solution-led thinking encouraged across roles
- High standards for quality, safety, and service
Career development
We invest in professional growth through training, on-the-job learning, and opportunities to progress as your experience develops.
How we support growth
- Structured learning and hands-on training
- Support from experienced colleagues and leaders
- Opportunities to broaden your skill set over time
Collaborative culture
You’ll work alongside knowledgeable people in a team-first environment that values clear communication, ownership, and helping each other succeed.
Our ways of working
- Inclusive teamwork across service, sales, and operations
- Shared responsibility for great customer outcomes
- Respectful, supportive day-to-day collaboration
Benefits that back you
We offer competitive packages designed to support your wellbeing and work-life balance. Role-specific benefits may vary.
Typical benefits include
- Pension and additional benefits depending on role
- Paid annual leave and public holidays
- Training and development support
Open opportunities
We’re always interested in skilled people across engineering, technical services, and customer-focused roles. Current openings are listed below.
Current vacancy
- Field Service Engineer (PDF job description) — London, Southeast, or surrounding areas.
- Senior Sales Account Manager (PDF job description) — Thame, Oxfordshire (travel required). Full-time, permanent. Competitive salary plus commission. Start date ASAP.
Ready to power the future with CPS?
If you’re looking for a role where reliability matters and your work has real impact, we’d like to hear from you.
- Join a team focused on safety, quality, and customer outcomes
- Work on projects and systems that customers depend on
- Grow your skills with supportive training and collaboration
