Senior Infrastructure Engineer (Fully Onsite)

Overview

Senior Infrastructure Engineer (Fully Onsite) – London. An exciting opportunity to join a highly respected organisation at the forefront of building London’s next-generation business fibre network. Play a pivotal part in shaping the future of connectivity for important organisations across the UK and Europe.What youll do

As a Senior Infrastructure Engineer, ensure the secure operation and continuous improvement of the systems infrastructure supporting critical business operations.Balance hands-on technical tasks (e.g., configuring hypervisors, deploying new applications) with strategic planning around automation and monitoring.Develop robust internal tools to drive efficiency across environments and participate in incident response duties as part of an on-call rota.Produce clear documentation and collaborate with colleagues; communicate effectively to stakeholders.Identify areas for enhancement within the infrastructure landscape and implement solutions that uphold rigorous security standards.Maintain, configure, and ensure reliable operation of hypervisor platforms, virtual machines, containers, bare-metal servers, and all hosted applications.Develop and sustain internal monitoring solutions, automation scripts, and dashboards for consistency, repeatability, and visibility.Deploy new systems and applications to underpin network infrastructure and customer environments in line with internal standards and security protocols.Participate in an on-call rota to provide timely incident response and resolution for critical infrastructure issues.Produce diagrams and documentation that accurately reflect system architecture and operational processes for technical teams and stakeholders.Collaborate with cross-functional teams to ensure seamless integration of new technologies while maintaining reliability.Diagnose complex technical issues using methodical troubleshooting to minimise downtime and ensure service continuity.Prioritise multiple tasks effectively by balancing hands-on work with planning responsibilities.Contribute to process improvement initiatives by identifying opportunities for automation or enhanced monitoring.Stay up-to-date with emerging trends in infrastructure engineering to recommend improvements aligned with organisational goals.What you bring

Demonstrated experience as a systems administrator or similar role within telecommunications or enterprise IT services.Advanced proficiency with Linux/Unix (RedHat, Debian) and experience managing Windows Server/Desktop environments.Strong scripting abilities using Bash, PowerShell, or Ansible; Python experience is advantageous.Expertise in virtualization platforms and container orchestration technologies with related tooling.Hands-on knowledge of monitoring stacks (Prometheus, Grafana) and log management solutions (ELK/EFK or equivalents).Proven ability to diagnose intricate technical problems using structured troubleshooting to minimise disruption.Excellent organizational skills for prioritising concurrent tasks in fast-evolving environments.Strong written communication with the ability to produce clear diagrams and professional documentation for technical audiences and stakeholders.Collaborative mindset and willingness to share knowledge and support colleaguesormation.Commitment to upholding high security standards across infrastructure management.About the job

Contract Type: PermanentFocus: IT SupportIndustry: TelecommunicationsWorkplace Type: On-siteExperience Level: Mid ManagementLocation: LondonSalary: £60,000 - £70,000 per annum + BonusJob Reference: YRNKJ0-A6CC402BDate posted: 8 September 2025Consultant: Josh GroenewaldRobert Walters Operations Limited is an employment business and employment agency and welcomes applications from all ..... full job details .....