Cyber Security Analyst/Engineer

Castle Employment Agency Ltd; Leeds; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A leading company is seeking a Cyber Security Analyst/Engineer to enhance its security posture in a dynamic IT landscape. This role involves monitoring systems for threats, conducting security assessments, and leading projects across network and cloud environments, offering significant growth opportunities in a challenging environment.

Qualifications

• Technically minded with hands-on cyber defence experience.
• Strong analytical mindset; detail oriented.
• Proficient with various security tools and technologies.

Responsibilities

• Monitor and analyse network traffic and logs for unusual behaviour.
• Conduct regular security assessments to identify vulnerabilities.
• Implement and manage security tools across different environments.

Skills

Cyber defence

Analytical skills

Problem-solving

Education

CompTIA Security+

CISSP

CISM

Tools

SIEM

PAM

Mimecast

Microsoft Sentinel

Tenable

Job description

Cyber Security Analyst / Engineer
Location: Ideally based in York or Leeds
Working Pattern: Full time, Monday to Friday, working Hybrid – with travel to office locations as required
Salary: £45,000 – £65,000 (dependent on experience) + car allowance

Overview
An exciting opportunity has become available for a Cyber Security Analyst/Engineer to join a growing, forward-thinking group of companies. Reporting directly to the Group Information Security Officer (GISO), this role combines business-as-usual (BAU) security incident monitoring and response with security project work.
The successful candidate will be hands-on and technically strong, with the ability to work across a broad range of IT functions. You’ll need to engage confidently with both technical teams and business users, bringing excellent organisational and communication skills to a complex and evolving security environment. Key Responsibilities

• Monitor and analyse network traffic, system activity, and logs to detect unusual or malicious behaviour
• Conduct regular security assessments and audits to identify vulnerabilities and areas for improvement
• Implement and manage a wide range of security tools, including firewalls, IDS/IPS, and endpoint protection
• Investigate and respond to security incidents and breaches, documenting actions and outcomes thoroughly
• Lead and contribute to security-focused projects across network, desktop, server, virtualised, and cloud environments (e.g. VMware, Intune, O365/Azure)
• Review vulnerabilities and drive remediation plans across the environment in collaboration with relevant teams

Key Skills & Experience

• Technically minded security engineer with a solid foundation in hands-on cyber defence
• Proficiency with tools such as SIEM, PAM, web/email filtering (e.g. Mimecast), IDS/IPS, antivirus, endpoint protection, Microsoft Sentinel, and vulnerability assessment tools (e.g. Tenable)
• Strong analytical mindset and attention to detail, with a passion for detecting and mitigating threats
• Excellent problem-solving skills and the ability to respond effectively under pressure
• Relevant certifications such as CompTIA Security+, CISSP, CISM, or similar are advantageous

Why This Role?
This role offers the opportunity to operate in a complex and dynamic IT landscape with many moving parts, helping the Group maintain and enhance its security posture. You'll take ownership of impactful projects, work with cutting-edge technologies, and grow your skillset while making a real difference to the organisation’s resilience.