About the company
Silver Lining, part of the Focus Group family, delivers secure communications and PCI compliance solutions to businesses across the UK.
Responsibilities
- Investigate and resolve customer incidents relating to our PCI platform.
- Capture and analyse packet captures (PCAPs) using tools such as Wireshark.
- Troubleshoot SIP signalling and media-related issues.
- Work with telecommunications providers, technology partners and customers to identify and resolve faults.
- Configure and onboard new customer environments.
- Perform routine platform maintenance and system updates.
- Support Linux-based systems and associated hypervisor infrastructure.
- Assist with datacentre deployments, maintenance and hardware installation.
- Maintain accurate technical documentation and records.
- Participate in an out-of-hours support rota and planned maintenance activities.
- Contribute to continuous improvement of operational processes and platform reliability.
Requirements
- Experience working with SIP and VoIP technologies.
- Strong troubleshooting and analytical skills.
- Experience capturing and interpreting network packet traces (PCAPs).
- Good understanding of IP networking.
- Experience administering Linux systems.
- Excellent communication skills, both written and verbal.
- Ability to work methodically under pressure.
- A willingness to learn new technologies and continuously develop technical skills.
- Full UK driving licence.
Nice to have
- Experience working in a datacentre environment.
- Knowledge of SBCs, RTP and media troubleshooting.
- Experience supporting hosted voice or unified communications platforms.
- Familiarity with virtualisation technologies.
- Exposure to scripting or automation (Bash, Python, PowerShell etc.).
- Experience working within an MSP, telecommunications or service provider environment.
Conditions
- Competitive salary
- Full Time, Monday to Friday, plus participation in an out-of-hours support rota