Senior cyber engineer

Job reference number 327926



Senior Cyber Engineer



Salary, bonus potential, 25 days annual leave and pension



Full time

Permanent

Royal Mail Sheffield

Hybrid 3x days a week in office






Senior Cyber Engineer
🕒 Full-time | Permanent
💼 Reports to: Cyber Engineering Manager

Royal Mail Group operates one of the UK’s largest and most complex technology environments — from national mail processing centres and delivery depots to cloud-based digital customer platforms. As a Senior Cyber Engineer, you’ll play a key role in securing this vast, high-availability landscape by designing and implementing advanced cyber security controls and SIEM capabilities across cloud, on-premises, and operational technology environments.

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🔐 What You’ll Do

* Architect, implement, and manage enterprise-grade security tools and solutions across diverse environments.
* Develop, enforce, and continuously improve security standards, policies, and best practices.
* Review, assess, and implement changes through formal security change control processes, ensuring that modifications are secure, documented, and properly validated.
* Integrate, refine, and automate telemetry pipelines across platforms to enhance detection, visibility, and data quality.
* Manage and enhance Royal Mail’s PKI and certificate infrastructure, and support implementation of Automated Certificate Management Environment (ACME) capabilities
* Evaluate emerging technologies and lead proof-of-concept testing to strengthen RMG’s cyber posture.
* Collaborate with infrastructure, cloud, and platform teams to embed security by design into core systems.
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🧠 What You’ll Bring

* Proven experience as a Senior Security or Cyber Engineer within a large, complex enterprise.
* Deep technical proficiency with:
o Microsoft Sentinel (or equivalent SIEM) — including connector configuration, data normalisation, and log ingestion pipelines
o Next-Gen EDR/XDR (CrowdStrike Falcon or similar)
o CASB / ZTNA (Zscaler or equivalent)
o Cloud platforms (Microsoft Azure preferred)
o Knowledge of PKI, SSL/TLS certificate management, and related infrastructure components, including certificate lifecycle automation and public CA integration.
* Strong understanding of network, identity, and endpoint security principles.
* Experience with scripting or automation (KQL, PowerShell) for integrating and managing security tools.
* Ability to deliver hands-on engineering work — from solution design through to implementation and optimisation.
* Analytical mindset and methodical problem-solving approach, with a focus on scalability and precision.
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🎓 Qualifications

* Degree in Computer Science, Cyber Security, or equivalent professional experience (preferred).
* Relevant technical certifications such as CompTIA Security+, Microsoft AZ-500 / SC-200, CISM, or GICSP.
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📮Why join us

You’ll join a forward-thinking cyber engineering function driving the next evolution of Royal Mail’s security architecture.
You’ll work across a uniquely hybrid estate — from Azure cloud workloads to on-prem and OT environments — designing security controls that protect the systems keeping Royal Mail running every day.
This is a hands-on role for an engineer who wants to build and deliver impactful security solutions at national scale.



About Us

At Royal Mail we connect companies, customers and communities across the country, delivering a ‘one-price-goes-anywhere’, universal postal service to more than 30 million addresses. As one of the UK’s leading companies, we are focused on being recognised as the best delivery company in the UK and across Europe.

Royal Mail are proud of our diverse employee network groups and the active role they play to support belonging and encourage a positive work environment. We are firmly committed to inclusion and passionate about our people representing the communities we serve.

We are happy to support your need for any adjustments during the application and hiring process. Please share the details within your application if required.

We are Forces family friendly and a Gold signatory to the Armed Forces Covenant. We welcome applications from ex-Armed Forces personnel, reservists, veterans, cadet instructors and military spouses/partners.

For more information on Royal Mail Group and our values please click here:

Closing Date: 15th October 2025. Please note, this advert may close early if the appropriate number of applications has been reached.

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