Senior Operational Security Analyst (Part Time)

TN United Kingdom; Milton Keynes; On-site; GBP 40,000 - 70,000; Part time

Job summary

An established industry player is seeking a Senior Operational Security Analyst for a part-time role in Milton Keynes. This position offers a unique opportunity to contribute to the cybersecurity landscape by monitoring and responding to security events, strengthening network and cloud security, and managing vulnerabilities. Ideal for individuals looking for flexible hours, this role encourages applicants from diverse backgrounds to join a dynamic team dedicated to making a meaningful impact in the field of cybersecurity. If you're passionate about protecting IT infrastructures and have the skills to lead security initiatives, this is the perfect opportunity for you.

Qualifications

• Significant industry experience specific to Information Security.
• Proven experience of administering technical security infrastructures.

Responsibilities

• Monitor and respond to cybersecurity events for IT Infrastructure.
• Collaborate with cross-functional teams to provide security guidance.

Skills

Information Security

Networking

IT Infrastructure

Security Incident Response

Penetration Testing

Education

Professional technical security certification

Tools

QRadar

Nessus

Splunk

Job description

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Senior Operational Security Analyst (Part Time), Milton Keynes

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Client:

Network Rail

Location:

Milton Keynes, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

1498459fe2bf

Job Views:

6

Posted:

24.04.2025

Expiry Date:

08.06.2025

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Job Description:

Brief Description

Brief Description

Join Our Team as a Senior Operational Security Analyst! Are you passionate about cybersecurity and looking for a flexible, part-time opportunity? We’re seeking a motivated, dependable, and collaborative Senior Operational Security Analyst to become a valued member of our team. This role is perfect for individuals seeking part-time work with flexible hours and an opportunity to make a meaningful impact. We welcome applicants from all backgrounds and encourage those with non-traditional career paths, diverse experiences, or unique perspectives to apply.

With your skills and experiences, you can help shape a secure environment for Network Rail by:

• Provide Detection, Analysis, and Response: Monitor and respond to cybersecurity events for IT Infrastructure, including security monitoring, network, and cloud environments.
• Strengthen Network and Cloud Security: Work to identify and mitigate risks in our network and cloud infrastructures.
• Manage Threat and Vulnerability Services: Proactively assess and address vulnerabilities to ensure systems remain secure and resilient.
• Collaborate Across Teams: Work closely with cross-functional teams to provide expert guidance on security measures and best practices.
• Contribute to Security Monitoring: Utilise tools and technologies to oversee systems and identify potential threats before they impact operations.

About the role (External)

Provide technical leadership and comprehensive security operations support service to Route Services IT and promote best practices across delivery units.

• Act as the primary interface to delivery units to align and define working practices and workload within security operations.
• Act as the primary interface with Network Rail’s suppliers, service providers, and partners relating to the provision of operational security services.
• Provide a comprehensive security operations support service focused on the delivery units.
• Monitor and strive to improve the technical competence of IT staff associated with security in specified delivery units.
• Review and make recommendations on derogation and non-compliance to security-related standards.
• Review and monitor progression of potential improvements to security-related standards from specified delivery units; provide feedback to the originators.
• Provide advice and guidance to delivery units in the production of business-focused changes, renewal, or replacement proposals and approve them as appropriate.
• Provide security operations input to IT projects and programmes.
• Monitor and analyse the quality and performance of security controls and instigate corrective actions as required.
• Lead response to reported or suspected security incidents including collection and analysis of evidence to enable assessment and management of actions to mitigate future events and incidents.

Essential

• Significant industry experience specific to Information Security.
• Demonstrable knowledge of Networking, IT Infrastructure, IT Systems, and the Internet to include standard protocols, applications, and tools (TCP/IP, SMTP, Web Services & Applications, Database systems, Security vulnerability identification, Penetration Testing, password cracking, etc…)
• Demonstrable experience of working within a standards and service level driven environment.
• Proven experience of administering technical security infrastructures.
• Experience in coordinating response to security incidents in large businesses.
• Expert knowledge of Information Security principles, technology, and threats.
• Experience leading small teams in delivering technical security systems.
• Professional technical security certification or equivalent experience.

Desirable

• Experience administering standard Intrusion Prevention/Detection Systems (QRadar, IBM ISS Site Protector, Cisco/SourceFire IPS, Snort IP(D)S, etc…)
• Experience with standard Vulnerability analysis tools (IBM ISS Security Scanner, Nessus, NMAP, OpenVas, Retina, Qualys, etc…)
• Experience administering standard SIEM tools (Arcsight, AlienVault, IBM QRadar, Splunk, Tripwire, Quest, NetIQ, etc…)
• Awareness and understanding of British and international standards for security management and control.
• Experience of working in the rail industry.