Location: Whiteley (Office Based)
Salary: Competitive salary
Hours: Full Time, Monday to Friday, plus participation in an out-of-hours support rota
About Silver Lining
Silver Lining, part of the Focus Group family, delivers secure communications and PCI compliance solutions to businesses across the UK.
We're looking for a PCI Engineer to join our specialist team in Whiteley. This is a varied, hands-on role supporting our PCI platform and underlying infrastructure. From troubleshooting SIP and VoIP issues to analysing packet captures, onboarding customers, and maintaining Linux-based systems, no two days are the same.
What You'll Do
- Investigate and resolve customer incidents on our PCI platform.
- Analyse PCAPs using tools such as Wireshark.
- Troubleshoot SIP, VoIP, and media-related issues.
- Configure and onboard new customer environments.
- Support Linux systems and perform routine platform maintenance.
- Work with customers, carriers, and technology partners to resolve faults.
- Assist with datacentre deployments and hardware maintenance.
- Participate in out-of-hours support and planned maintenance activities.
What We're Looking For
Essential
- Experience with SIP and VoIP technologies.
- Strong troubleshooting and analytical skills.
- Experience capturing and analysing packet traces.
- Good understanding of IP networking.
- Linux administration experience.
- Excellent communication skills.
- Full UK driving licence.
Desirable
- Juniper networking experience.
- Knowledge of SBCs, RTP, and hosted voice platforms.
- Datacentre experience.
- Exposure to virtualisation and scripting (Bash, Python, PowerShell).
- Experience within telecoms, MSP, or service provider environments.
Why Join Us?
As part of the Focus Group family, Silver Lining combines specialist expertise with the backing of one of the UK's leading technology providers. You'll have the opportunity to develop your skills, work with cutting-edge technologies, and play a key role in delivering secure, business-critical solutions.
If you're a curious problem-solver with a passion for technology, we'd love to hear from you.
Skills Required
- Experience with SIP and VoIP technologies
- Strong troubleshooting and analytical skills
- Experience capturing and analysing packet traces
- Good understanding of IP networking
- Linux administration experience
- Excellent communication skills
- Full UK driving licence
- Juniper networking experience
- Knowledge of SBCs, RTP, and hosted voice platforms
- Datacentre experience
- Exposure to virtualisation and scripting (Bash, Python, PowerShell)
- Experience within telecoms, MSP, or service provider environments
What We Do
Welcome to Focus Group. Established in 2003, we’re proud to be one of the UK’s leading independent providers of essential business technology. Here to take care of all your telecoms, IT and connectivity services. This means everything in one place, one point of contact and one bill to cover everything you need. SME or global enterprise business; public sector, service sector or charity…whatever your size, shape or service, we’ll take the time to get to know your business and deliver the technology to fit the bill. Our teams are experts in their field; passionate about finding the right solutions for you and committed to ensuring your business runs like clockwork. We’re by your side to keep your business phone system at the top of its game, your IT optimised, your data secure, your teams connected and your customers happy. At all times. Leaving you free to focus all your energy on the important stuff. Like growing your business. Telecoms | Mobile | Connectivity | IT solutions | Cyber security | Energy Let’s connect. Let’s grow.








