Tech Lead - SOC Responder

Salary: £66,000 - 106,000 per year

Requirements

: Information Security Incident Response experience, focusing on detection and response to malicious activity using log data from various sourcesStrong Networking and Systems experience, preferably in an Enterprise environmentStrong understanding of Information Security and the threat landscape surrounding enterprise systemsStrong Scripting experience (Python, PowerShell, Unix shell)Demonstrated experience working in all phases of the SDLCDeep understanding and experience using cybersecurity operations, security monitoring, endpoint (EDR), Network, and SIEM ToolsPrior SOC experience is a plusExtensive knowledge of network and server security protocols, technologies, and productsIndustry recognized certifications (CISSP, GCIH, GCFA, OSCP, etc.) are preferredStrong oral and written communication skillsRelentless curiosity and attention to detailAbility to learn quickly and leverage prior experiences to effectively solve current security challengesCombination of a relevant degree in Information Technology, Engineering, or similarDesirable to have some advanced Certification from SIEM vendor on products such as ArcSight, MS Sentinel, or LogRhythm Responsibilities: Support SOC Manager to deliver SIEM, IR tools platform management including all design, implementation, and administration activitiesPrepare and implement use cases, connector deployment, maintenance & health checksResponsible for operational activities, technology escalation support, and security solution assessmentAnalyze potential infrastructure security incidents to determine if they qualify as legitimate security breachesEstablish and govern the security incident response processes, investigations, and security operational processesMaintain and enhance formal service catalogue, service descriptions, targets, and performance against theseEnsure security services, tools and platforms are adequately maintainedMonitor and report on the effectiveness of our security enforcing technologiesIdentify and monitor specific security risks and KPIs, producing management information to ensure Colt receives value from key security investments/servicesContribute to design, development, and maintenance of security standards and controlsAlign teams goals and plans with Colts long-term priorities and strategyDevelop and grow the talent and people capability within the security teamsTake ownership for understanding expected deliverables and ensure they are metProactively seek feedback for personal performance improvementRegularly review working methods to identify service delivery improvements Technologies: SupportNetworkPowerShellPythonSecurityUnix More: At Colt, we provide network, voice, and data center services to businesses around the world, empowering them to focus on their goals without worrying about underlying infrastructure. We are seeking a Tech Lead - SOC Responder to meaningfully contribute to our highly visible security operations function. This role offers an opportunity to make a global impact within Colt and its partnerships.

Our team values diversity and inclusion, encouraging each member to thrive by bringing their unique backgrounds and experiences. We offer flexible working hours, extensive induction programs, development opportunities, and a commitment to mental health support. Join us and be part of a global network that values empowerment and innovation. last updated 29 week of 2026