IT Security Analyst

Castle Employment Agency Ltd; Beverley; On-site; GBP 38,000 - 60,000; Full time

Job summary

Castle Employment Agency Ltd is seeking an IT Security Analyst to protect systems, data and operations in a collaborative IT environment in the East Yorkshire area. The role emphasizes hands-on security work, threat monitoring and incident response.

You will work with infrastructure and technical teams to strengthen cyber resilience, implement secure configurations and align with ISO 27001 and NIST frameworks, while driving security improvements across the organisation.

Qualifications

• Experience in a cyber security role with hands-on security work.
• Strong understanding of threat detection, security principles and risk-based thinking.
• Experience with SIEM platforms, EDR/XDR/MDR and vulnerability management tools.
• Knowledge of ISO 27001 and GDPR compliance.
• Ability to investigate incidents and communicate findings clearly.
• Fast-paced environment with strong analytic and problem-solving skills.
• Full UK driving licence is preferred.

Responsibilities

• Monitor, develop and optimise SIEM and threat detection systems.
• Investigate security incidents, coordinate response and containment.
• Conduct vulnerability scanning and support remediation across the IT estate.
• Collaborate with infrastructure teams to implement secure configurations.
• Support and maintain security policies, procedures and controls.
• Align security practices with ISO 27001 and NIST frameworks.
• Deliver phishing simulations and security awareness training.
• Stay updated on threats and propose security improvements.
• Support disaster recovery, backup and data protection strategies.

Skills

SIEM

Threat detection

Incident response

Risk assessment

Analytical thinking

Education

Bachelor's degree in IT or related field

Tools

EDR

XDR

MDR

Vulnerability scanners

ISO27001 knowledge

Job description

IT Security Analyst

Location: East Yorkshire area
Salary: Competitive, depending on experience
Working pattern: Full-time, on-site with collaborative team environment

Protect systems. Strengthen resilience. Shape cyber security strategy.

An established organisation is investing in its cyber capability and is looking for an IT Security Analyst to play a key role in protecting its systems, data and operations. This is an opportunity to join a collaborative IT environment where security is a business priority, not an afterthought. You will work closely with infrastructure and technical teams to strengthen cyber resilience, respond to threats and continuously improve security practices across the organisation.

If you enjoy hands-on security work, problem solving and influencing best practice, this role offers real scope to make an impact.

What you will be doing

• 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

What we are looking for

• 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

Desirable experience

• Exposure to cloud platforms such as Azure
• Security certifications such as CompTIA Security+, CISSP or Microsoft accreditations
• Experience with ERP systems
• Scripting or automation knowledge

Why apply?

• Opportunity to influence and improve cyber security across a growing organisation
• Collaborative environment working alongside infrastructure and technical specialists
• Exposure to modern security tools, frameworks and evolving technologies
• A role where your recommendations and expertise will directly shape security strategy