IT System Engineer - Patch Management

Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.  

Where will you be working?

Telent, part of M Group, is a leading technology company and specialist in the design, build, support and management of the UK’s critical digital infrastructure.

From the roads you drive on to the networks you rely on, our solutions are embedded in the everyday lives of millions—supporting the delivery of vital public services. With decades of expertise in mission-critical communications and infrastructure technology, we are at the forefront of the digital revolution.

The work we do helps connect thousands of people and communities, using the best technology and innovation available. When you join us, you’ll have the opportunity to make a real impact on all our futures by fulfilling your potential and delivering high performance. We work together to make everyday life work better for everyone.

IT System Engineer - 

Location: London – E16, UK (Hybrid – Office, Customer Sites & Remote) 

We are seeking a skilled and proactive IT System Engineer to join our London-based infrastructure team. The successful candidate will be responsible for the delivery of patch management services and the hands-on installation of updates, upgrades, patches, and hotfixes across enterprise environments. 

This role is both customer-facing and internally focused, requiring work at our London office, remote support, and on-site visits to Network Rail & TfL customer locations across Greater London and surrounding areas.  

The position requires strong technical capability, excellent documentation skills, and a professional approach when operating within client environments. 

Key Responsibilities

• Plan, test, schedule and deploy patches, updates, service packs, upgrades, and hotfixes. 
• Manage structured patch cycles (monthly, emergency, zero-day response). 
• Perform pre-deployment testing and post-implementation testing & validation. 
• Maintain patch compliance reporting and remediation tracking. 
• Updates to various Linux distributions, Ubuntu, Debian, Red Hat etc. 
• Updates to Windows Server (2016/2019/2022) & Windows 10/11 environments. 
• Configure and administer WSUS. 
• Deploy firmware updates and patches for: 
• Cisco routers and switches 
• Cisco firewalls 
• Juniper firewalls 
• Perform configuration backups and validation before changes. 
• Assist with vulnerability remediation and security audits. 
• Manage patching and lifecycle updates for VMware environments. 
• Maintain and upgrade VMware ESXi hosts and vCenter. 
• Ensure VM availability during maintenance cycles. 
• Deliver on-site patching and maintenance at customer locations. 
• Provide clear communication before, during, and after maintenance windows. 
• Produce change documentation and implementation reports. 
• Work within ITIL change control processes. 

• Company pension scheme. 
• 26 days Holiday plus Bank Holidays
• Employee portal
• Professional development and certification support. 
• Exposure to diverse enterprise customer environments. 
• Opportunity to work across multi-vendor infrastructure technologies. 

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