Senior Voice and Network Engineer

The role of Voice and Network Engineer is really important to us.

Our Infrastructure team is responsible for the deployment, maintenance and management of the environment that supports applications, services and end users across Radius. Over 3000 people globally.

You will be a key part of the team, assisting with the support, maintenance and continuous improvement of the group’s global voice platforms and network environments.

In-person collaboration is important to us. You will need to be able to work from our head office site in Crewe, Cheshire for a minimum 3 days per week.

The onsite facilities are excellent, including gym, changing rooms, café, barista bar, and multiple breakout areas.

What you'll be doing...

• Carrying out installation, support and maintenance of the group’s voice platforms and network infrastructure.
• Taking ownership of voice and network related incidents and troubleshooting to resolution, liaising with end users, internal teams and vendors as required.
• Carrying out and coordinating activities that result in optimisation of the group’s voice and network architecture.
• Producing and maintaining documentation in relation to the group’s voice and network infrastructure including architecture diagrams.
• Proactively looking for ways in which the group’s voice and network infrastructure can be improved in order to ensure optimal performance and stability.
• Proactively researching and recommending courses of action to prevent problems and to maintain high infrastructure service levels for our internal customers.
• Working with IT management to define the voice and network strategy.
• Ensuring Change Management processes are followed for all system changes.
• Managing root cause analysis to eliminate recurring support issues.

What we're looking for...

• Proven experience of the following technologies:
  • Enterprise level voice and collaboration platforms (Five9 preferred)
  • Call recording and reporting solutions
  • SIP
  • Network hardware including switching, routing and firewall functionality (Cisco and Fortinet preferred)
  • Routing protocols and technologies including BGP
  • SD-WAN technologies
  • Cisco Meraki
  • Cloud hosting (AWS and Azure preferred)
• Ability to troubleshoot, diagnose, and resolve voice and network outages and performance issues.
• Knowledge of IT Security fundamentals.
• An understanding of Service Management disciplines, ideally using the ITIL framework.
• Experience of working alongside software development teams, supporting and advising on best practice to maintain performance and availability.

What you can expect from us...

Your impact on Radius will be rewarded with the opportunity to develop and progress your career in many directions.

You’ll also have access to our competitive reward and benefits package, which includes:

• Pension
• Life assurance
• Employee fuel card scheme
• Electric Vehicle scheme
• Employee assistance programme
• Wellness and healthcare assistance via ‘Help@Hand’ by Unum
• ‘Cycle to work’ scheme
• Free breakfast daily in the office

And of course, you will be part of a modern purpose-built space in Crewe that will provide you with an outstanding working environment complete with gym, café, games rooms, and more!

A bit about us...

At Radius, we’ve been helping businesses grow for over 35 years.

From our origins as a fuel card provider in North West England, we’ve evolved into a global business services provider operating in 19 countries across five continents. Our mission is to help companies of all sizes adapt to change and seize new opportunities.

We’re proud to offer a one-stop solution for fleet and connectivity services, tailored to meet the needs of both SMEs and enterprise-level organisations.

#LI-TB1

Diversity, Equality & Inclusion at Radius

Our global DEI networks champion LGBTQ+ inclusion, cultural diversity, women’s empowerment and mental health, neurodiversity and disability support.

We also offer:

• Global Female Health Policy & Female Health Champions
• Pregnancy Loss and Fertility Treatment Policies
• Endometriosis Friendly Employer (UK)
• Women-focused gym & female health events
• Mental Health First Aiders
• Disability Confident Committed Employer (Level 1)
• Race at Work Charter signatory
• Proud sponsor of Crewe Pride (4 years running) and Cheshire Pride Awards Corporate Supporter 2025
• Community network driving charity and volunteering initiatives, with 8 consecutive years of participation in the UK Challenge.
• Give as you earn scheme (payroll giving) and match funding

Next Steps

If you feel we are a good match for each other, you can apply online now!

If you’d like to understand more about the role or life at Radius before applying, then please contact our talent team via [email protected]

Radius is an equal opportunities employer. We are committed to welcome people regardless of age, disability, gender identity, race, faith or belief, sexual orientation or socioeconomic background.

We are committed to ensuring an inclusive and accessible recruitment process for all candidates. If you require any adjustments or accommodations at any stage of the process, please let us know, and we will do our best to support you.

We reserve the right to close a vacancy before the closing date in the event of an overwhelming response or a change in business priorities.