Job Description

Recruiter: Luke Byrne
Career Grade: E
Internal Closing Date: 7/9/25
Locations: London, Ipswich or Birmingham
Why this job matters
Professional Services was formed as a progressive development towards the convergence of multiple domains across BT. We pride ourselves on providing expert third line support to an extensive range of services; ensuring the required levels of availability are maintained. The team is widely recognised for getting things done, while making transformational improvements along the way. We do this by ensuring we have the right people to achieve our high ambitions.
We are seeking a passionate Site Reliability Engineer (SRE), to join the unit. This role will specialise in engineering with a curious approach towards automation. Candidates will be required to leverage their knowledge in engineering and use software to transform the way we interact with networks. A key responsibility will be investigating and learning new technologies, so a desire to learn is equally as valuable as experience.
As part of this role, you'll directly contribute to improving reliability, scalability, and performance of services by driving automation, monitoring, and operational excellence across a number of environments.
What you'll be doing

• Is accountable for the delivery of routine daily activities for system design, build, testing, validation, maintenance, monitoring and ongoing support of all network infrastructure components.
• Participate and be the technical lead on incidents within immediate domain and be part of PIR write up and solution.
• Propose and implement innovations for continuous improvement within immediate area.
• Executing the implementation of complex change in line with change management best practices and the associated governance.
• Providing 365x24/7 operational support for faults that span a range of platform domains i.e. out of hours change and callout.
• Managing stakeholder and demand expectations through cross area engagement.
• Developing technical capability through continued learning and use BT's learning tools.
• Will champion and build effective working relationships, both internally and externally to deliver business outcomes, adding value throughout.
• Responsible for delivering the change execution and assurance of Fixed Network platforms managed by network engineering technology services.

• Integration: Collaborate with design & platform teams and support the Implementation of flawless change into the live network, prioritising the use of automation.
• Observability: Developing bespoke monitoring solutions to improve visibility of the network
• Automation Tools: Utilise tools such as Ansible and Python 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.
• Customer Focus: Be a technical expert who understands the end-to-end journey of our customers.

Skills and Experience
The skills you'll need to succeed

• You will be fully conversant and comply with Change Management processes and the supporting governance.

• You will be confident and professional in communicating with all stakeholders, both locally and with members of the Senior Management Team.

• You will have awareness of the E2E customer service journeys.

• You will be able to adapt to emerging and evolving technologies, in line with the Technology Career Map.

• You will have the ability to work in a high-pressure environment.

• Incident response to resolution.
• You've advocated and applied technology where it has not been used previously.
• You've delivered results when the deliverables were unclear.
• You have worked in a high-pressure operational environment.
• Experience in completing changes in a live network and system environment.
• Experience in learning new technologies and aiding the development of others.

Must have

• Experience in an Optical Transmission Environment: Proven experience in a fast-paced Optical Transmission setting, managing and troubleshooting large-scale networks.

• Network Fundamentals: Knowledge of transport technology principles, including OTN, SDH and WDM.

• Technical Proficiency: Understanding of network architecture, design, and implementation.
• 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.

• OS Administration: System administration skills, across an array of operating systems such as linux, windows etc.

• Automation: Fundamental understanding of at least one approach to network automation, such as Python or Ansible, as well as a familiarity with CI/CD orchestration.

Desired

• Linux Administration: Linux system administration skills, with a focus on performance optimisation, security, and automation.

• Vendor Hardware Expertise: Hands-on experience with hardware from leading vendors such as Huawei, Ciena and Nokia.

• Awareness of virtualised environments: Virtual machines & containerisation

• Awareness of CI/CD: Appreciation of the principles and benefits

Benefits

• 10% on target bonus
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• From January 2025, equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It's for all parents, no matter how your family is made up.
• Enhanced women's health support: including help with menopause symptoms, cancer screenings, period care and more.
• 25 days annual leave (not including bank holidays), increasing with service
• 24/7 private virtual GP appointments for UK colleagues
• 2 weeks carer's leave
• World-class training and development opportunities
• Option to join BT Shares Saving schemes

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.
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 , please apply anyway - you may just be the right candidate for this or other roles in our wider team.