Applications for this job have closed. Try searching for similar jobs.

Principle Electrical and Mechanical Engineer


Location: Milton Keynes

Job Type: Contract/temp


The most difficult thing is the decision to act, the rest is merely tenacity.
- Amelia Earhart

Please note that this is a permanent role.

We’re changing it up

We’re on a mission to build the UK’s finest digital infrastructure and unleash Britain’s potential. Together, we’re achieving incredible things. We may have big ambitions, but we never lose sight of what matters. That’s why we’ve created an open, inclusive environment where people can be themselves, where wellbeing and mental health come first, where we take a flexible approach to working, and where everyone has the chance to pursue their passions, keep learning and grow their careers. We’re changing up Britain and we’re changing up the workplace with better rewards, more opportunities to grow and the chance to make a difference to communities across the UK.

A rewarding career

We’re passionate about our work and we’re passionate about our people too. With a salary of up to £77,500 depending on experience, when you join the CityFibre family you’ll also enjoy benefits like 25 days’ holiday, a day off on your birthday, a day off to support a charity or organisation of your choice, performance-related bonus scheme, and private healthcare.

How can you change it up?

Joining our Architecture and Engineering team as a Principle Electrical and Mechanical Engineer, you will be accountable for the Mechanical and Electrical (M&E) portfolio and its full life cycle, across all active CityFibre sites nationally. Some of your key responsibilities will include:

  • Conducting architecture design, feasibility & cost studies
  • Defining the M&E FEx and FAC lifecycle
  • Working with Passive Architecture in the optimisation of CityFibre assets
  • Defining the strategy around FEx, FAC etc. monitoring
  • Being the point of escalation for Engineering and Tier-3 support teams
  • Managing key vendor relationships on a strategic basis & run major procurement contracts

What will you bring to the role?

We are looking for a self-motivated candidate who is experienced with vendor management and business case & financial modelling. It is crucial that you are skilled in mechanical and electrical datacentre designs and operations. Alongside this, it will be highly beneficial if you are familiar with any of the following technologies;

  • AC Electrical Plant
  • DC Electrical Plant
  • UPS and back-up power
  • Fire Detection and Suppression
  • IT Air-conditioning
  • Asset security, alarms & access control

Our Unique Culture
We are proud to be an equal opportunity employer; we celebrate diversity, we believe everyone has a voice and we’re committed to creating an inclusive environment for all. Even though we come from different backgrounds and do different jobs, we’re united by The CityFibre Way - our unique code of behaviours that inspires how we think, act and work. We back each other, think smart and act fast, and we’re passionate about giving it our best to build a legacy together.

Ready to start changing it up? Join the CityFibre family today.


CityFibre is committed to providing equal employment opportunities to individuals from all backgrounds, including ethnicity, gender, sexual orientation, gender identity, religion, age, family status and disability. We recognise that everyone is an individual with a wide range of experiences and perspectives and believe this diversity of thought is what makes CityFibre special.