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.
The Role
As the Lead Infrastructure Engineer, you will play a pivotal role in maintaining and enhancing critical cloud, network and communication systems. 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.
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. You'll enjoy taking ownership of problems, driving improvements, and acting as the "go-to" technical expert within a collaborative environment.
Candidates with backgrounds in infrastructure delivery, cloud operations, systems integration, telecommunications, managed services or enterprise support environments are particularly encouraged to apply. The ideal profile aligns closely with individuals experienced in cloud transformation, infrastructure governance, networking, automation and technical leadership.
Please get in touch for more information.
Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy
Salary description
£60000.00 - £65000.00 per year