Cyber Security Analyst

Job description

Location: London (On-site Shift Pattern)

Salary: Up to £70,000 + On-Call Allowance + Benefits

Security Clearance: Active SC Clearance required (Must be a British National and eligible to obtain higher levels of UK security clearance)

We're working with a leading organisation supporting critical national security programmes, who are looking to recruit an experienced Security Analyst to join their 24/7 Security Operations Centre (SOC)

You'll play a key role in monitoring, detecting and responding to cyber security threats across complex enterprise environments, working with industry-leading technologies including Elastic and Splunk. This is an excellent opportunity for someone who thrives in a fast-paced operational environment and enjoys working on high-profile, mission-critical systems.

Key Responsibilities

• Monitor security alerts and events across enterprise environments using Elastic and Splunk
• Investigate, triage and respond to security incidents in line with established playbooks and SLAs
• Perform threat hunting and proactive analysis to identify malicious activity.
• Analyse logs from endpoints, networks, cloud services and security tools to detect suspicious behaviour
• Escalate incidents where appropriate and work closely with engineering and incident response teams
• Develop and improve SIEM detection rules and alert tuning to reduce false positives
• Produce clear incident reports and maintain accurate documentation
• Participate in the on-call rota and support major incident response when required
• Contribute to the continuous improvement of SOC processes, tooling and operational procedures

Skills & Experience

• Experience working within a 24/7 Security Operations Centre (SOC) or equivalent cyber security environment
• Strong hands-on experience using Elastic and/or Splunk for security monitoring and investigations
• Good understanding of SIEM technologies, log analysis and threat detections
• Knowledge of security frameworks such as MITRE ATT&CK and the Cyber Kill Chain
• Experience investigating phishing, malware, endpoint, identity and network security incidents
• Familiarity with Windows, Linux, Active Directory and cloud environments (AWS, Azure or Microsoft 365)
• Strong analytical and problem-solving skills with the ability to make decisions under pressure
• Excellent written and verbal communication skills

Essential Require

• Active SC Clearance
• British National, with eligibility to obtain higher levels of UK security clearance
• Willingness to work a 24/7 rotating shift pattern (4 days on rotation)
• Able to work from the London office as required

Extra information

Status

Open

Education Level

Secondary School

Location

London Area

Type of Contract

Full Time Jobs

Published at

01-08-2026

Profession type

ICT

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English