Senior Infrastructure Engineer - Telecommunications

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading connectivity service provider in Greater London is seeking a Senior Infrastructure Engineer to design, build, and maintain critical systems for a rapidly growing fibre network. The ideal candidate will have strong Linux/Unix experience and proficiency in scripting. This role offers a competitive salary, a bonus scheme, and excellent benefits including private healthcare and a company pension.

Benefits

Company pension scheme

Bonus scheme

Employee share scheme

25 days’ annual leave

Private healthcare

Mental health support access

Cycle-to-work scheme

Discounted gym membership

Qualifications

• Strong experience administering Linux/Unix systems (RedHat and Debian-based).
• Ability to troubleshoot complex issues using a structured, methodical approach.
• Excellent written and visual communication skills; able to produce clear documentation.

Responsibilities

• Maintain, configure, and ensure the reliability of hypervisor platforms.
• Automate recurring tasks and develop tooling that improves consistency.
• Produce high-quality documentation and technical diagrams.

Skills

Linux/Unix administration

Scripting with Bash

Proficiency in PowerShell

Familiarity with Ansible

Experience with monitoring stacks

Excellent communication skills

Tools

Prometheus

Grafana

ELK/EFK

Job description

Ready to accelerate your technical career in a fast-moving, client-focused environment?

Backed by one of London’s most ambitious fibre infrastructure initiatives, this team is part of a company delivering full end-to-end connectivity services from design to support at scale. Known for its ultra-fast networks and customer-first mindset, the organisation champions innovation, invests heavily in internal talent, and maintains a strong culture of mentorship and progression. With access to some of the most exciting technology and clients in the industry, the business is helping shape the future of digital infrastructure in the UK. The team is hiring a Senior Infrastructure Engineer to help design, build, and maintain the critical systems infrastructure that supports the rapidly growing fibre network.

Looking for a varied role with real impact and growth potential? Apply now!

Responsibilities:

• Maintain, configure, and ensure the reliability of hypervisor platforms, virtual machines, containers, and bare-metal systems
• Deploy new infrastructure and services in line with internal security, operational, and performance standards
• Automate recurring tasks and develop tooling that improves visibility and consistency across environments
• Manage monitoring and observability tooling to ensure proactive incident response
• Participate in an on-call rota to support incident handling and resolution
• Produce high-quality documentation and technical diagrams

Requirements:

• Strong experience administering Linux/Unix systems (RedHat and Debian-based), and working knowledge of Windows Server/Desktop environments
• Proficiency in scripting with Bash, PowerShell, and Ansible; Python experience is a plus
• Familiarity with virtualisation platforms, containerisation, and orchestration tools
• Experience with monitoring stacks (e.g., Prometheus, Grafana, ELK/EFK)
• Ability to troubleshoot complex issues using a structured, methodical approach
• Excellent written and visual communication skills; able to produce clear documentation and diagrams
• Highly organised and capable of juggling multiple priorities

Benefits:

• Company pension scheme
• Bonus scheme
• Employee share scheme (eligibility and caps apply)
• 25 days’ annual leave, increasing with service (plus bank holidays)
• Private healthcare
• Mental health support access
• Cycle-to-work scheme
• Discounted gym membership
• Free eye tests
• Travel loan
• Access to salary management app

Salary:

• Competitive + bonus + share scheme eligibility