Lead Infrastructure Engineer

Lead Infrastructure Engineer required by an innovative and rapidly evolving technology business that delivers critical voice, cloud and connected care solutions across the UK.<br><br>Ensure all your application information is up to date and in order before applying for this opportunity.<br><br>Due to continued growth, they are looking to appoint an experienced Lead Infrastructure Engineer to take ownership of complex infrastructure environments and act as a senior escalation point across cloud, SIP and systems operations.<br><br>This is a fantastic opportunity for a technically strong infrastructure professional who enjoys solving high-level technical challenges, mentoring support teams, and driving operational improvements across enterprise-scale environments.<br><br>The Role As the Lead Infrastructure Engineer, you will play a pivotal role in maintaining and enhancing critical cloud, network and communication systems.<br><br>Working closely with internal teams and third-party suppliers, you'll lead complex troubleshooting activities, improve system resilience, and support the evolution of the wider technical operations function.<br><br>You'll be involved in: Leading third-line technical escalations across cloud, server and network environments Managing and optimising SIP-based communications platforms Supporting AWS infrastructure and cloud-native services Performing deep root-cause analysis and performance optimisation Troubleshooting complex VoIP, SIP signalling and call quality issues Supporting Linux server environments and infrastructure operations Working within ITIL-driven service management frameworks Mentoring and developing first- and second-line support teams Collaborating with suppliers and vendors to resolve high-priority incidents Skills & Experience Required We're keen to speak with candidates who have: Strong experience within a senior/third-line infrastructure or systems support role Excellent knowledge of SIP, VoIP and related communication technologies Solid Linux systems administration experience Proven AWS cloud infrastructure expertise Strong networking fundamentals including TCP/IP, DNS, DHCP, VLANs and firewalling Experience using diagnostic and packet analysis tools such as Wireshark Scripting or automation exposure using Bash and/or AWS Lambda Experience managing high-severity incidents and technical escalations Strong communication skills with the ability to work across technical and non-technical teams Desirable Experience Technology Enabled Care Services (TECS) or SmartTEC environments Node.js troubleshooting or application-level debugging Exposure to Azure or hybrid cloud environments Experience mentoring or leading technical support teams The Ideal Candidate The successful candidate will be a proactive and technically versatile infrastructure specialist who combines strong operational expertise with excellent stakeholder engagement skills.<br><br>You'll enjoy taking ownership of problems, driving improvements, and acting as the 'go-to' technical expert within a collaborative environment.<br><br>Candidates with backgrounds in infrastructure delivery, cloud operations, systems integration, telecommunications, managed services or enterprise support environments are particularly encouraged to apply.<br><br>The ideal profile aligns closely with individuals experienced in cloud transformation, infrastructure governance, networking, automation and technical leadership.<br><br>Please get in touch for more information. xwzovoh <br><br>Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.