Why this job matters

This Specialist role within Mobile Operations is pivotal to the seamless functionality of our mobile core networks, ensuring uninterrupted communication experiences for millions of users every day. As the backbone of modern communication infrastructure, the IMS and related platforms underpin a vast array of voice and multimedia services. By maintaining their integrity, efficiency, and evolution, you not only uphold the reputation of our company but also directly contribute to the ever-evolving landscape of global digital communication, making real-time connectivity possible and reliable for everyone.

This role can be based in any of the following offices: Bristol, Birmingham, London, Glasgow

What you’ll be doing

• Provide specialist application operational support for at least 2 platforms/applications, ensuring 24/7 support availability.
• Drive service availability, performance, and data integrity across your platforms/applications.
• Support and implement the strategy in respect of the Mobile Operations unit, and the related platform specific roadmaps and project, acting as a technical lead and ambassador for the team.
• Work effectively with related stakeholders to deploy new systems, manage upgrades, and implement configuration changes while maintaining service quality and operational efficiency.
• Act as a technical lead during high-impact incidents, both during regular hours and after hours, including post incident reviews and service improvement plans
• Support the production, maintenance, and improvement of the system/platform management documentation.
• Provide mentorship, coaching and technical guidance within the team, including supporting the team manager in driving up the overall team capability.
• Collaborate with third parties, design teams, and service management to ensure effective service delivery and adherence to standards.
• Build strong relationships with vendors and key stakeholders whilst also ensuring timely resolution of escalated issues.
• Uphold the Service Management Framework, meeting Home Office and ESN requirements.
• Drive and support application security and compliance, aligning with internal and external regulations and standards and collaborating closely with the cybersecurity team to ensure that the supported applications are safeguarded against potential threats and vulnerabilities.
• Engage in continuous professional development, ensuring the maintenance and renewal of agreed technical qualifications and certifications relevant to the role.
• Engage with training initiatives, workshops, and seminars to stay updated with the latest advancements in IMS and related technologies.
• Ensure up-to-date security clearance in accordance with organisational requirements, ensuring access to sensitive information and systems integral to the role.

You'll have the following skills and experience

• Deep experience supporting Mobile Core Networks and managing operational incidents within a 24/7 real time service environment
• Expertise in IMS technologies, especially Virtual IMS architecture
• Proficiency with network virtualization technologies i.e. SDN/NFV, e.g. NSX
• Strong knowledge of security practices, vulnerabilities, and hardening strategies.
• Knowledge of Core network systems like IMS, VoLTE, E// CS Core, signalling systems (DSR, SSR, and Eagle ISTP), and IP transport systems.
• Proficient in SIP protocol analysis and troubleshooting, enabling swift resolution of incidents related to voice and multimedia sessions in the IMS environment
• Effective use of reporting systems, creation of KPIs and performance metrics.
• Proficient in troubleshooting tools and methods specific to IMS, including NetScout for tracing and Unix scripting, with a solid grasp on Excel features.
• Ability to communicate effectively with internal and external stakeholders, vendors and customers, both for technical and non-technical audiences.
• Fostering and maintaining strong relationships with third-party vendors, ensuring the best interests of the organisation and service quality are prioritised
• Process strong analytical abilities to diagnose complex issues and apply systematic decision-making processes to derive solutions and take appropriate action
• Demonstrated aptitude for planning and  delivering high-quality services, balancing customer needs with business and platform requirements.
• Adaptability and keenness to learn in a rapidly evolving technological landscape
• Possess understanding of traditional IMS, its virtualised instances, and the shift to cloud-based architectures, while also being conversant with the evolving signalling landscape in 5G Service Based Architecture (SBA) where required
• Proven extensive operational experience in planning, deploying and supporting IMS related technologies across multiple vendors
• Proven ability to provide coaching and knowledge sharing to others to uplift the capability of the team
• Demonstrated experience in contributing to the successful delivery of multi-stakeholder large-scale projects, ensuring technical requirements and considerations are appropriately represented.

Benefits

At BT, we entertain, educate, and empower millions of people every single day. We’re a brand built on connecting people – whether that’s friends, family, businesses, or communities. Working here, you’ll receive an attractive salary and a range of competitive benefits, but – more than that – you’ll be joining an ambitious organisation with a culture of togetherness, collaboration, and inclusivity, that takes a genuine and proactive interest in your progress and development.

• Competitive salary
• 10% on target bonus
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• 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
• Option to join BT Shares Saving schemes.
• Discounted broadband, mobile and TV packages
• Access to 100’s of retail discounts including the BT shop

About us

BT is part of BT Group, along with EE, Openreach, and Plusnet.

Millions of people rely on us every day to help them live their lives, power their businesses, and keep their public services running. We connect friends to family, clients to colleagues, people to possibilities. We keep the wheels of business spinning, and the emergency services responding. 

We value diversity and celebrate difference. ‘We embed diversity and inclusion into everything that we do. It’s fundamental to our purpose: we connect for good.’

We all stick to the same values: Personal, Simple, and Brilliant. From day one, you’ll get stuck in to tough challenges, pitch in with ideas, make things happen. But you won’t be alone: we’ll be there with help and support, learning and development.  

This is your chance to make a real difference to the world: to be part of the digital transformation of countless lives and businesses. Grab it.

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.

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.