Site Reliability Engineering Specialist

Recruiter: Daniel McCarthy 

Career Grade: D 

Internal Closing Date: 30/7/25

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We’re a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

What you’ll be doing

• Network Delivery: Support the Implementation of flawless change into the live network, utilising automation and CI/CD pipelines.
• Network Monitoring: Configure and maintain monitoring solutions such as Elastic search and Apache Kafka to ensure the health and performance of our systems and Network.
• Automation Tools: Utilise tools such as Ansible to provision and manage infrastructure resources in a scalable and efficient manner.
• Technical Acumen: Apply your understanding of network principles to troubleshoot network faults within our systems and look at how you can optimize performance, and enhance security across our infrastructure.
• Incident Management and Resolution: Be prepared to support a 365x24/7 callout, providing third line technical resolution covering an extensive range of technologies.
• Customer Focus: Be a technical expert who understands the end-to-end journey of our customers.
• Growth and Development: As a technically talented expert you should enhance the brand of the team and support those around you to be accountable and perform at their best.

You'll have the following skills & experience

You must have

• Experience in an ISP Environment: Proven experience in a fast-paced ISP setting, managing and troubleshooting large-scale networks.
• Network Fundamentals: In-depth knowledge of network protocols, including BGP, IS-IS, and others.
• Technical Proficiency: Strong understanding of network architecture, design, and implementation.
• Monitoring and Logging Solutions: Familiarity with monitoring and logging solutions such as Elastic search, Apache Kafka, and Prometheus.
• Programming Proficiency: Proficiency in at least one programming language, such as Python or Ansible.
• Growth Mindset: self-driven attitude towards learning new skills and aiding the development of others.

Desired

• Sysadmin/Server Management: Strong skills in system administration, server management, and compute resources.
• Vendor Hardware Expertise: Hands-on experience with hardware from leading vendors such as Cisco, Juniper, and Nokia.
• Continuous Application Deployments: Experience deploying new developments to live networks across a variety of infrastructure, including Virtual Machines, Routers, Switches, and Servers.

A FEW POINTS TO NOTE:

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

DON'T MEET EVERY SINGLE REQUIREMENT?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.