Telecommunication jobs in United Kingdom

Who are Tyk, and what do we do? The Tyk API Management platform is helping to drive the connected world and power new products and services. We’re changing the way that organisations connect any number of their systems and services. Whether internal, external, public or highly encrypted systems, Tyk helps businesses drive value across the retail, finance, telecoms, healthcare, or media industries (to name just a few!)

Founded in 2015 with offices in London - UK, London - Ontario, Atlanta and Singapore, we have many thousands of users of our B2B platform across the globe. Brands using Tyk range from Lotte, Bell, T Mobile, to RBS, Capital One and Vinci. We have a varied user base hailing from every continent – even Antarctica.

Tyk is on a mission to connect every system in the world. We’ve started by building an API Management platform.

Total flexibility, default remote, radical responsibility

We offer unlimited paid holidays and remote working from anywhere in the world for everyone. Tyk was founded on the principle of offering flexibility and autonomy to our employees, which lets them achieve their best results. It also means we can build the best possible team, regardless of location and working hours.

If this sounds like an environment that could work for you, read on to find out more.

At Tyk, we’re obsessed with building software that solves problems. We count on our Site Reliability Engineers (SREs) to empower users with a rich feature set, high availability, and stellar performance.

Our customer base is growing, so we’re seeking an experienced Senior SRE to optimise, automate, and improve our performance, using insights from massive‑scale data in real time. We want an original thinker, a challenger, a technical legend, an opinionated collaborator who wants to make things better.

• Lead hands‑on maintenance and optimisation of our global Cloud platform within SL(A/I/O)s you'll help define
• Collaborate to shape SRE strategy, then translate into actionable technical plans coordinated through SCRUM
• Identify reliability issues, drive root‑cause analysis, and implement solutions alongside your squad
• Lead performance tuning and fault finding through analysis of OS and application metrics
• Design and implement automation for common operational tasks and cloud‑operations workflows
• Develop proactive alerting, monitoring roadmap, and relevant dashboards; define and track KPIs
• Participate in on‑call rotation, ensuring effective incident response and resolution within SLAs
• Conduct blame‑free post‑mortems, document findings, and maintain operational runbooks
• Drive multi‑region and multi‑cloud platform expansion with focus on scalability and automation
• Optimise infrastructure performance and cost efficiency without impacting service delivery
• Engage with commercial teams on growth plans and translate into technical SRE strategies
• Coordinate penetration testing through provider liaison, technical setup, and environment configuration
• Champion continuous improvement across processes, communication, and team practices
• Model excellence in software design and knowledge sharing
• Plan and execute software upgrades to enhance cloud services

• Experience in an SRE role
• Strong knowledge of cloud technologies and SLA / SLO / SLI management
• Excellent communication and leadership skills
• Ability to analyse and improve operational processes and performance metrics
• Experience in software design, automation, and root‑cause analysis
• On‑call support experience and customer‑focused mindset
• Collaborative attitude with commercial and technical teams
• Launching and operating production Kubernetes clusters
• Designing and operating infrastructure on AWS and other providers
• Operating MongoDB (or other document database) clusters
• Operating Redis (or other key‑value storage) clusters
• Administering Linux servers
• Operating Prometheus and Grafana
• Operating logging collection and analysis system
• Participating in the on‑call rotation (4:00am – 16:00pm UTC)

• Kubernetes (administrator)
• Go and/or Python (advanced)
• AWS / EKS (advanced)
• Linux (advanced)
• Terraform and IaC in general (proficient)
• Helm (proficient)
• MongoDB (or similar)
• Redis (or similar)
• Monitoring – Prometheus, Grafana, Thanos (familiar)
• Grasp of networking concepts (subnets, routing, peering, load balancing, NAT, etc.)
• Common networking protocols (DNS, TCP/IP, HTTP, TLS, UDP)
• Proactive, energetic, innovative and change‑oriented
• A desire to lead/mentor a team

• Everyone has unlimited paid holidays.
• We have total flexibility in hours.
• Employee share scheme
• Generous maternity and paternity leave
• Volunteering days
• Employee Wellbeing platform

We all share the same vision – we value authenticity, respect, responsibility, independence, honesty, diversity and inclusion and most importantly treating others how you wish to be treated. We look for like‑minded people who bring their personalities to work everyday, strive to achieve their personal goals and who are willing to challenge the way we do things.

• It’s ok to screw up!
• The only stupid idea is the untested one!
• Trust starts with you – make it count!
• Assume best intent!
• Make things better!

What’s it like to work here?! Check it out: https://tyk.io/worklife/

Tyk is an equal opportunities employer and we are determined to ensure that no applicant or employee receives less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, or race, or is disadvantaged by conditions or requirements which cannot be shown to be justifiable.

You can see more about us here https://tyk.io