Post Office Ltd
Cyber Security Engineer
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Summary
Salary: Competitive plus comprehensive benefits package
Grade: 3B
Reporting Line: Lead Cyber Security Engineer
Contact Type: Permanent
Location: London
Closing Date: 23/06/2026
What To Expect
The role is pivotal for enhancing the security framework of the Post Office. The individual appointed will spearhead the development and implementation of advanced security capabilities, thereby fortifying the organisation's defence mechanisms against cyber threats.
This role is not just about managing current systems but also about proactive evolution staying ahead of potential risks by aligning with the strategic objectives of the Cyber Operations team.
Collaboration with Incident Response teams and Threat and Vulnerability experts is crucial, ensuring that security measures are not only reactive but also preventative. By serving as a critical escalation point for cybersecurity engineers, this role facilitates a robust, responsive, and adaptive security posture, ready to tackle the dynamic challenges of cyber security in today's digital landscape.
What We Can Do For You
- 25 days annual leave (rising to 30 after 2 years), plus bank holidays
- Up to 10% on target bonus opportunity
- Generous pension scheme with minimum 9% employer contribution
- Access to 24/7 digital GP services and our Employee Assistance Programme
- 6 x Life assurance and income protection after 12 months service
- Over 400 online courses, mentoring, apprenticeships, and development programmes
- Access to our benefits platform for exclusive discounts & savings
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What You’ll Need To Succeed
- 5+ years’ experience in SecOps or IT Security
- Broad experience across security technologies including Cloud Security (Azure, Microsoft 365 E5, AWS), SIEM, EDR, Firewalls, CASB, WAF, Vulnerability Management, and Internet Protection
- Strong background managing, supporting, and enhancing enterprise security solutions with awareness of operational impact
- Solid understanding of network infrastructure (VPNs, LANs, routers, switches, firewalls, intrusion detection, vulnerability scanning)
- Good knowledge of modern cyber threat attack lifecycles and threat intelligence
- Ability to communicate security incidents and emerging threats clearly to technical and non-technical stakeholders, including senior leadership
- Hands-on experience or strong knowledge of SIEM (log analysis, ingestion, event sources, incident response)
- Proven experience with SIEM tools and query languages (e.g. KQL, SPL)
- Experience building or managing SIEM infrastructure and data pipelines
- Expertise in security operations including IAM, DDoS, DLP, threat & vulnerability management, and investigations
- Scripting experience with PowerShell and/or Python
- Familiarity with EDR tools (e.g. Microsoft Defender, Trend Micro)
- Experience working with third-party vendors and suppliers
- Knowledge of enterprise security controls across Windows, Linux, and Mac environments
About Us
At Post Office Ltd, we’re proud to be at the heart of communities across the UK, upheld by the dedication and service of our postmasters. We offer essential services that people rely on every day, from parcels and banking to identity and government services. While we continue to evolve with digital innovation, our commitment to personal, face-to-face service remains core to who we are.
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Our journey is one of reflection, growth, and meaningful change. We’re looking for people who think differently. Those with resilience, purpose, and a deep sense of responsibility to our postmasters, partners and the communities they serve.
If you're driven by the chance to make a real impact and help shape a future, built on progress and integrity, we’d love to hear from you. For more details visit
Application Guidance
Our commitment to embracing diversity extends beyond just words. While we’ve outlined key skills above, we recognise that great candidates come from a variety of backgrounds. We value diverse perspectives and are committed to building an inclusive workplace where everyone can thrive.
As a Disability Confident Employer, we recognise the value people with disabilities can bring to our business. If you require any reasonable adjustments throughout the recruitment process or would like further details on the job description, please contact
We’re thrilled by your interest in this opportunity and truly value every application we receive. Please note the advert may close early if we receive a high volume of applications. Unfortunately, we’re unable to provide individual feedback on all submissions.
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