Senior Operational Security Analyst (Part Time)

Network Rail; Milton Keynes; Hybrid; GBP 29,000; Part time

Job summary

A leading transportation organization is seeking a Senior Operational Security Analyst to engage in a part-time role. The ideal candidate will leverage extensive cybersecurity experience to mentor others while strengthening the organization's security posture. This position offers flexible working hours and a collaborative, inclusive environment. Applicants should possess a solid understanding of IT Security principles and significant experience in the field.

Benefits

Generous annual leave

Defined benefit pension scheme

75% subsidy on rail season tickets

Flexible working arrangements

Healthcare Scheme

Qualifications

• Significant experience in Information Security.
• Proven experience in managing security infrastructures.
• Expert knowledge in technology threats.

Responsibilities

• Lead detection and response to cybersecurity events.
• Identify and mitigate risks in systems.
• Mentor teams to enhance security culture.

Skills

IT Security principles and practices

Collaboration and mentorship

Strategic problem-solving

Education

Professional technical security certification

Tools

TCP/IP

Penetration Testing

SIEM tools

Job description

About Network Rail

Join Our Team at Network Rail!

Are you ready to make a difference in people's lives? At Network Rail, we connect passengers and freight customers, ensuring safe and efficient transportation across the country. We're an organisation where people truly matter, and when you join us, you matter to us and millions of others. Click here to watch our inspiring video to learn more about us!

We're dedicated to building a diverse and inclusive organisation that reflects the passengers we serve. To achieve this, we're committed to becoming an open, diverse, and inclusive workplace, leveraging the skills and expertise of our talented workforce. Together, we strive to create a safe and accessible railway for everyone. Discover more about the importance of Diversity and Inclusion at Network Rail by clicking here .

Investing in our people is key to enhancing the safety, reliability, and efficiency of our railway system. If you're passionate about making a meaningful impact, then this opportunity is for you!

About our people and the recruitment process - We're an inclusive employer of choice and we welcome applications from everyone! We encourage our colleagues to work flexibly, as we know traditional working patterns don't always fit. If you want to consider working flexibly, just let us know and we'll do our best to help and invest in your career with us, whilst you have a healthy work life balance.

We're also a Disability Confident Leader employer and we'll try our best to adapt the process and offer a reasonable alternative to help support people with disabilities access, apply and interview for roles.

Brief Description

Join Us as a Senior Operational Security Analyst - Share Your Expertise, Shape the Future

Are you a seasoned cybersecurity professional looking to transition into a more flexible, fulfilling role? We're offering a unique opportunity for an experienced individual to contribute their wealth of knowledge in a part-time capacity-while mentoring the next generation of security professionals.

At Network Rail, we value the insight and perspective that comes with years of hands-on experience. This role is ideal for someone who wants to stay engaged in the field, make a real impact, and help strengthen our cybersecurity posture-without the demands of a full-time schedule.
What You'll Bring:

• A deep understanding of IT Security principles and practices
• A collaborative spirit and a desire to guide and support others
• A thoughtful, strategic approach to problem-solving and risk management

What You'll Do:

• Lead Detection, Analysis, and Response: Monitor and respond to cybersecurity events across IT infrastructure, including network and cloud environments.
• Enhance Security Posture: Identify and mitigate risks in our systems, drawing on your experience to anticipate and address vulnerabilities.
• Mentor and Collaborate: Work closely with cross-functional teams, offering expert guidance and helping to build a culture of security awareness.
• Support Threat and Vulnerability Management: Use your insight to proactively assess and strengthen our defences.
• Contribute to Security Monitoring: Leverage tools and technologies to detect potential threats and ensure operational resilience.

Why This Role?

• Flexible Hours: Work part-time on a schedule that suits your lifestyle.
• Meaningful Impact: Help protect critical infrastructure while passing on your knowledge.
• Inclusive Environment: We welcome applicants from all backgrounds and value diverse experiences and perspectives.

About the role (External)

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

• Act as primary interface to delivery units to align and define working practice and workload within security operations.
• Act as 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 focussed to 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 focussed 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 action as required.
• Lead response to reported or suspected security incidents including collection and analysis of evidence to enable assessing and managing 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

How to apply (External)

We are looking for a motivated and reliable Senior Operational Security Analyst to join our team. This is a great opportunity for someone looking for part-time work with flexible hours. You will be an essential part of our team!

Vacancy type: Permanent, 18 hours per week, Hybrid working.

Location: The Quadrant Milton Keynes OR Manchester Square One

Closing date: 19th August 2025

Band & Salary: Band 3C - £28,592 per annum (this is based on 18 hours of work)

To submit your application, click apply now. For tips to help you prepare and apply click here

You can visit Evenbreak's Career Hive for advice on accessibility support if you're unsure of the options available. Should you require any reasonable adjustments/modifications, please s dd a note to your application.

We're an organisation where people matter. We matter to millions.

We offer excellent benefits, including:

Generous annual leave (28 days plus statutory days), with the option to buy/sell days.

Defined benefit pension scheme.

75% subsidy on rail and underground season tickets.

Up to 75% off leisure travel for you and your family (subject to terms and conditions)

Interest-free travel loan for train and car park season tickets.

Discounts at stations with your Network Rail pass.

Flexible/hybrid working arrangements.

Volunteer leave to make a positive impact.

Healthcare Scheme, GymPass discounts, Cycle to work plus more.

We offer generous maternity, paternity, and adoption leave to support our employees during significant life moments

We are proud to be recognised as a Times Top 50 Employer for Gender Equality for the third year in a row.

Our role is to run a safe, reliable and efficient railway, serving customers and communities. We exist to get people and goods where they need to be and to support our country's economic prosperity. Safety is our number one priority.

We're undertaking an ambitious change. Our vision is Putting Passengers First - becoming a company that is on the side of passengers and freight users. As one of the UK's leading equal opportunities employers, our values and the way we behave is important to us and we have created an environment where we value and respect every individual's unique contribution. We have seven employee networks that provide fantastic support, opportunities and development for applicants from all backgrounds.