Cyber Security Engineer: SIEM & Incident Response Leader

Castle Employment Group; Driffield; On-site; GBP 55,000 - 75,000; Full time

Job summary

Castle Employment Group in the United Kingdom is seeking an IT Security Analyst to join a full-time, on-site role in the East Yorkshire area. You will protect systems, collaborate with IT teams and strengthen cyber resilience in a business-priority environment.

The role emphasizes hands-on security work, incident response, vulnerability management and ongoing improvements to security posture in a collaborative IT setting.

Qualifications

• Proven experience in a cyber security or infrastructure security role
• Strong understanding of security principles, threat detection and risk-based thinking
• Experience with SIEM platforms, vulnerability management tools and detection response technologies such as EDR, XDR or MDR
• Knowledge of cyber security frameworks such as ISO 27001 or NIST
• Understanding of data protection legislation including GDPR
• Ability to investigate incidents, analyse findings and communicate clearly with stakeholders
• Strong analytical and problem-solving skills
• Ability to manage priorities and work effectively in a fast-paced environment
• Full UK driving licence

Responsibilities

• Monitor, develop and optimise SIEM and threat detection systems
• Investigate security incidents, coordinating response, containment and escalation
• Conduct vulnerability scanning and support remediation across the IT estate
• Work closely with infrastructure and technical teams to implement secure configurations
• Support and maintain security policies, procedures and controls
• Ensure alignment with recognised frameworks including ISO 27001 and NIST
• Deliver user awareness initiatives such as phishing simulations and training
• Stay up to date with emerging threats and recommend improvements to strengthen security posture
• Support disaster recovery, backup and data protection strategies aligned to business needs

Skills

Cyber security experience

Threat detection

Risk-based thinking

Incident investigation

Analytical skills

Communication with stakeholders

Problem solving

Prioritization in fast-paced env

Driving licence

Tools

SIEM platforms

Vulnerability management tools

EDR

XDR

MDR

Job description

Castle Employment Group in the United Kingdom is seeking an IT Security Analyst to join a full-time, on-site role in the East Yorkshire area. You will protect systems, collaborate with IT teams and strengthen cyber resilience in a business-priority environment.

The role emphasizes hands-on security work, incident response, vulnerability management and ongoing improvements to security posture in a collaborative IT setting.