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AfterDuty

Cyber Security Engineer

Post Office Ltd · London, Greater London

Type
Full-time
Posted
9 days ago

Overview

Your incident response and threat assessment skills from cybercrime units partially transfer, but deep technical engineering is required.

About this role

Summary

*Grade:*3B

*Reporting Line:*Lead Cyber Security Engineer

*Working pattern:*Hybrid

What To Expect

The role in question 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

Our business is changing and we understand that attracting the right talent is pivotal in driving the positive change needed, to help us achieve our ambitious goals. Beyond a competitive salary, we offer a comprehensive benefits package that includes:

  • 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 10% 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

Click here for a detailed overview of our benefits

What You’ll Need To Succeed

To be successful in this role you will be need to be well versed in:

  • A broad range of technology experience including Cloud Security (Azure, 365 E5 suite, AWS), Internet Protection, Vulnerability Management, SIEM, Firewalls, CASB, WAF and EDR products.
  • Experience in managing, supporting, and improving enterprise security solutions with a strong understanding of the impact of these changes.
  • An understanding of network infrastructure such as VPNs, firewalls, switches, routers, LANs, Intrusion Detection, vulnerability scanning etc.
  • Understanding of Attack lifecycle of modern cyber threats.
  • Understanding and being able to articulate emerging threats and incidents to different audiences, including technical, operations management, senior management and executives.
  • Excellent self-motivation skills.
  • Strong communication skills (both written and oral) and interpersonal skills at all levels.
  • Ability to share knowledge with the wider Cyber Security Engineering team.
  • A keen interest in cyber security with enthusiasm for staying up to date with the latest trends.

Experience Required

  • At least 5 years’ experience in SecOps or IT Security
  • Experience or demonstrable knowledge of SIEM; including incident response, log analysis, log ingestion and event data sources.
  • Expertise and experience in security operational services for example; unified threat management, IAM, DDOS, threat and vulnerability management, DLP, and cyber investigations.
  • Proven experience or demonstrate working knowledge of SIEM tooling
  • Experience commissioning data pipeline or SIEM infrastructure
  • Experience with SIEM Query Language (KQL, SPL)
  • Experience working with PowerShell or Python scripting.
  • Worked with or an understanding of EDR systems such as Defender or Trend
  • Experience working with third-party suppliers and vendors.
  • Familiarity with enterprise security controls and security best practices for Windows, Linux, and Mac systems or similar

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.

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 careers@postoffice.co.uk

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 talentacquisition@postoffice.co.uk

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.

About cyber security & digital forensics roles for ex-police

Cyber security, digital forensics and incident-response roles. DMIs, cybercrime investigators and digital forensics officers bring evidential discipline and investigative judgement that DFIR and security teams struggle to hire.

See all cyber security & digital forensics jobs in London

Why this fits a police background

  • Incident command & response
  • Investigative casework
  • Training & coaching delivery

What cyber security & digital forensics roles pay ex-police

Advertised UK ranges, editorial estimates reviewed July 2026

Digital forensics analyst£32,000–£45,000
DFIR consultant£45,000–£65,000
Senior forensics / IR specialist£60,000–£80,000
Threat-intelligence specialist£55,000–£80,000
Full cyber security & digital forensics salary guide →

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