Application Security Architect

CBSbutler Holdings Limited trading as CBSbutler

Bracknell, Berkshire, United Kingdom

Last month

£65,000 – £70,000 pa

Salary

£65,000 – £70,000 pa

Posted: 23 Mar 2026 (Last month)

Save job

Create job alert

Application Security Architect

Onsite in Bracknell

Eligible for DV clearance

£65-70k per annum + benefits package

We are seeking an experienced Security Application Architect to support the delivery and ongoing evolution of a secure Gateway capability for a strategic UK defence customer. This role combines architectural ownership, secure design governance, and operational assurance within a high-security, mission-critical environment. You'll shape technical direction, drive change, and ensure resilient, compliant solution delivery across engineering and support teams.

What you'll be doing;

Own and design technical changes required to maintain and enhance Gateway capability

Produce high-quality design documentation in collaboration with the customer and Programme Manager

Support solution governance and architectural integrity

Assist in maintaining secure, resilient and scalable infrastructure components across Windows and Linux environments

Support monitoring and investigation of communications platforms such as email and XMPP-based chat, including the ability to review underlying conversation data where required for security analysis

Contribute to file validation and inspection processes, ensuring transferred files conform to expected formats and security controls

Your technical background;

Core Infrastructure

VMware / vSphere

RHEL & Windows Server

Microsoft Services

Active Directory, including Group Policy (GPO), DNS integration, LDAP directory structures, and directory management/maintenance

Resource management of server platforms and optimisation of system performance

Trellix / McAfee security platforms

SIEM integration, including syslog creation, forwarding and reporting pipelines

Email security standards and protocols

Linux & Platform Engineering

Experience working within Red Hat Enterprise Linux environments

Ability to write scripts to automate operational or security processes

Familiarity with pattern matching techniques and regular expressions (Regex), particularly within security or antivirus tooling

Configuration and management of the standard RHEL firewall

Exposure to Linux-based security tooling and antivirus technologies

Gateway Technologies

Understanding of Gateway appliances and associated software

Knowledge of secure communications protocols, including messaging platforms such as XMPP

Security & Web

Experience supporting file validation, inspection, and content verification within secure transfer environments

If you are interested in discussing this Application Security Architect role further, please reply back with a copy of your updated CV

Related Jobs

View all jobs

Application Security Architect

CBSbutler Holdings Limited trading as CBSbutler Bracknell, Berkshire, United Kingdom

£65,000 – £70,000 pa

Product Security Architect

SRT Marine Systems PLC Bristol, Bristol (county), United Kingdom

£75,000 – £110,000 pa Hybrid

Product Security Architect

SRT Marine Systems PLC Cardiff, South Glamorgan, CF10 2AF, United Kingdom

£75,000 – £110,000 pa Hybrid

Product Security Architect

SRT Marine Systems PLC Birmingham, West Midlands (county), United Kingdom

£75,000 – £110,000 pa Hybrid

Senior Cloud Security Architect

Softcat Manchester, United Kingdom

Senior Cloud Security Architect

Softcat Birmingham, West Midlands (county), United Kingdom

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Apr 9, 2026

Products

Where to Advertise Cyber Security Jobs in the UK (2026 Guide)

Advertising cyber security jobs in the UK requires a different approach to most technical hiring. The candidate pool is small, heavily vetted and in high demand across government, financial services, critical national infrastructure and the private sector simultaneously. Many of the strongest candidates hold active security clearances, are not actively job-searching through general platforms, and move primarily through specialist networks and trusted referrals. General job boards reach a broad audience but lack the specificity that security professionals expect. Specialist platforms, government-affiliated channels and cleared candidate networks each serve a different part of the market. This guide, published by CybersecurityJobs.tech, covers where to advertise cyber security roles in the UK in 2026, how the main platforms compare, what employers should expect to pay, and what the data says about hiring across different role types.

Apr 5, 2026

Jobs

Cyber Security Jobs UK 2026: What to Expect Over the Next 3 Years

Cyber security is one of the few sectors where demand for talent has never once dipped. Every major technological shift of the past decade — cloud migration, remote working, AI adoption, the proliferation of connected devices — has expanded the attack surface that security professionals are expected to defend. And every expansion of that attack surface has generated more jobs. But the cyber security jobs market of 2026 is not simply a larger version of what it was three years ago. It is a structurally different market. The threats have evolved, the technologies used to combat them have changed, the regulatory environment has tightened considerably, and the roles being created reflect all of that. A job seeker who understands only the cyber security landscape of 2023 is already working with an outdated map. The candidates who will thrive over the next three years are those who understand where the sector is heading — which specialisms are attracting the most investment, which technologies are reshaping defensive and offensive security practice, and how the definition of a cyber security professional is broadening well beyond the traditional image of a network defender in a SOC. This article breaks down what the UK cyber security jobs market is likely to look like through to 2028 — covering the titles emerging right now, the technologies driving employer demand, the skills that will matter most, and how to position your career ahead of the curve.

Mar 24, 2026

Jobs

Penetration Tester Jobs in the UK: What Employers Actually Want in 2026

The demand for skilled professionals in cyber security has never been higher, and penetration testers sit at the very heart of this rapidly evolving industry. As organisations across the UK continue to digitise their operations, protect sensitive data, and defend against increasingly sophisticated threats, the need for ethical hackers has grown dramatically. If you are considering a career in this field—or looking to advance within it—it is essential to understand what employers are really looking for in 2026. This guide breaks down the current expectations, required skills, certifications, and practical experience that can help you stand out in a competitive job market.