Senior Cyber Technical Detection Analyst

UK Home Office; Peterborough; Hybrid; GBP 50,000 - 57,000; Full time

Benefits offered by this job

Civil Service Pension

25 days annual leave

8 public holidays + 1 privilege day

Hybrid work pattern (60% on-site)

Job summary

UK Home Office's Cyber Security Operations Centre is seeking a Senior Technical Detection Analyst. Based in Peterborough/Salford/Sheffield with a hybrid pattern (60% on‑site), you will improve SIEM detection, develop detection content and leverage threat intelligence to strengthen monitoring.

You will lead investigations, triage alerts, support incident response and drive improvements to detection use cases and security controls while aligning with SC clearance requirements and residency rules.

Qualifications

• Experience in a Security Operations Centre environment.
• Developing, testing and improving SIEM monitoring content.
• Ability to analyse indicators across networks and systems.
• Effective verbal and written communication with diverse audiences.
• Experience managing a technical team.

Responsibilities

• Carry out security monitoring, detection and response activities in line with agreed standards.
• Identify, analyse and investigate indicators of malicious activity across networks, systems and applications.
• Triage security events and alerts, supporting investigations and improvements to monitoring controls.
• Support incident response activities, including red teaming and threat hunting exercises.
• Develop, review and improve monitoring use cases, detection content and alert effectiveness.
• Define and enhance processes, tooling and security controls to identify emerging threats.
• Drive service and process improvements to support efficient security operations.

Skills

SIEM monitoring

Threat detection

Incident response

Threat hunting

Communication

Team leadership

Tools

SIEM

Threat intelligence platforms

Job description

Locations: Peterborough | Salford | Sheffield Hybrid with 60% of time spent on site

Salary: £49,850 plus skills allowance of up to £7,550

We are seeking a Senior Response Manager to join the Cyber Security Operations Centre (CSOC) as a Senior Technical Detection Analyst. This role focuses on improving SIEM detection and monitoring capabilities. You will develop, test, maintain and improve SIEM monitoring and detection content, using threat intelligence and operational insights to improve detection coverage, accuracy and the identification of cyber threats.

You will apply and refine threat-informed detection engineering practices, standards and quality controls, strengthening the organisation’s ability to identify and respond to cyber threats.

As a Senior Technical Detection Analyst your main responsibilities will be to;

• Carry out security monitoring, detection and response activities in line with agreed standards, providing advice on mitigation, escalation and risk reduction.
• Identify, analyse and investigate indicators of malicious activity across networks, systems and applications, supporting effective threat detection and incident response.
• Triage security events and alerts, supporting investigations and recommending improvements to monitoring controls, detection coverage and overall security posture.
• Support incident response activities, including red teaming and threat hunting exercises, communicating investigation outcomes and contributing to lessons learned and post-incident reviews.
• Develop, review and continuously improve monitoring use cases, detection content and alert effectiveness across a range of security technologies.
• Define and enhance processes, tooling and security controls to identify emerging threats, strengthen detection capabilities and implement effective mitigation strategies.
• Drive service and process improvements by applying industry best practice, sound judgement and problem-solving skills to support efficient security operations and investigations.

You will have a demonstrable passion for Cyber Security, Detection and Responsewith the following skills, knowledge or experience;

• Conducting investigations and working in a ‘Security Operations Centre’ environment, including the identification and analysis of potentially malicious activity.
• Developing, maintaining or improving SIEM monitoring and detection content, using threat intelligence and operational insights to improve detection coverage, accuracy and the identification of cyber threats.
• Communicating in a verbal and written manner, and a good understanding of the use of different channels and formats for different audiences
• Building strong partnerships with peers across an organisation and navigating the complex landscape of technologies, 3rd party suppliers, and other teams
• Managing a team in a technical environment

Working Pattern

This role is available on a full-time basis with the option of compressed hours working. This role is also suitable for part-time working hours, with a minimum requirement to work 4 days/ 30 hours per week due to business requirements.

Please note that this role requires Security Check (SC) clearance. To be eligible, candidates must have lived in the UK continuously for the last 5 years. Failure to meet this residency requirement will result in your security clearance application being rejected. Candidates must also hold or be prepared to undergo Non-Police Personnel Vetting Level 3 (NPPV3).

Why work for us...

Find out more information at: Benefits - Home Office Careers, but some of the primary ones are:

• A Civil Service Pension with employer contribution rates of at least 28.97%.
• In-year reward scheme for one-off or sustained exceptional personal or team achievements.
• 25 days annual leave on appointment, rising with service.
• 8 days of public holidays, plus 1 additional privilege day.
• Where business needs allow, some roles may be suitable for a combination of office and home-based working. This is a non-contractual arrangement where all employees will be expected to spend a minimum of 60% of their working time in an office.