LINUX & Applications Specialist

Due to the sensitive nature of this role, you will be required to undergo DV (Developed Vetting) level Security Clearance (). An allowance of £5k per annum may be payable monthly while you hold this DV and continue to work in a role that requires that level of security clearance. The terms of this allowance will be made available if you are successful in being recruited into this role.

Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber-attacks every day, so that millions of people can safely go about their daily lives and run their businesses. We deliver vital work at scale, with real breadth and impact.

We connect for good.

You’ll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure and committed to the safety and security of our nation and global communities. Our mission focused work is innovative, inspiring and technologically challenging in a way that makes every day different and stimulating. We provide the opportunity to work on rare projects, with exciting tools and brilliant people.

Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.

This job role is based near the M4 Corridor within a 30‑60 minute commute from Swindon. Onsite (5 days office based). Monday‑Friday 9am‑5pm. You will need to be eligible to obtain DV Security Clearance before starting this role. You will need to have lived in the UK for 10+ years to be eligible.

The Infrastructure Engineering Specialist independently works with Automation, Enterprise Systems Management (ESM) and Continuous Integration and Continuous Deployment (CICD) technologies, executing the vision of key technologies within the infrastructure landscape.

• Designing, building, developing, testing and maintaining vendor applications to provide robust network management solutions for use on customer facing secure platforms.
• Integrating products across the operating system and applications infrastructure, building assured end‑to‑end solutions to meet Customer operational needs
• Identifying and implementing design changes, improvements and updates required to keep products within supportability life cycles
• Undertaking Vendor engagement to ensure performance and functionality of applications software through release updates
• Producing High and Low level design documentation and system build guides

• Infra architecture and design
• Infrastructure testing
• Systems integration
• CICD
• IT infrastructure

You’ll definitely have

• Advanced experience in Linux based operating systems including security hardening to industry standards, OS upgrades, patch deployment, and use of security scanning tools.
• Experience with deployment, upgrade and configuration of multi‑vendor applications, integrating these with operating systems, security and monitoring tools, active directory, and backup solutions.
• Built & deployed Network and Infrastructure management & monitoring tools with strong knowledge of SNMP, syslog & IP networking, with OS and network troubleshooting skills

You might even have

• Experience with SAN storage solutions and networking
• IP network design including Juniper, Cisco configuration
• Experience in use of Advanced Microsoft Active Directory including Group Policy definition and deployment, including OS and application integration
• Integration with other supporting systems such as monitoring, patch update and Anti‑Virus
• PKI infrastructure design, build & deployment

• Competitive salary
• 10% on target bonus (Depending on country based)
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• On‑call allowance (Depending on the requirements of the role)
• 25 days annual leave (not including bank holidays), increasing with service
• Huge range of flexible benefits including cycle to work, healthcare, season ticket loan
• World‑class training and development opportunities
• From January 2025,…