Senior Security Analyst

Claranet
Full-time Barnwood, Gloucestershire computer-and-mathematical
Posted:
June 08, 2026
Location:
Barnwood, Gloucestershire, United Kingdom

Job Description

The Senior Security Analyst is a hands-on security operations role providing 24/7 operational coverage within a regulated financial services environment. You will own security incidents end-to-end, from detection through to investigation, response, and remediation coordination.

Operating within a small, senior team, you will also deliver proactive security activities including threat hunting, vulnerability management, and tooling validation—ensuring continuous improvement of the client’s security posture.

This role operates on a 24/7 shift pattern (12-hour shifts, 4-on / 4-off including nights and weekends).

Key Responsibilities

* Monitor and investigate alerts across Microsoft Defender, SIEM, and security tooling

* Own security incidents end-to-end, including investigation, containment, and resolution

* Perform deep-dive investigations using KQL and multi-source telemetry

* Correlate data across endpoint, identity, cloud, and ne...

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Job Overview

Job Type: Full-time
Location: Barnwood, United Kingdom
Posted: June 08, 2026
Deadline: July 18, 2026