System Engineer

• Plan, test, schedule, and deploy patches, updates, service packs, upgrades, and hotfixes
• Manage structured patch cycles, including monthly, emergency, and zero-day response cycles
• Perform pre-deployment testing and post-implementation testing and validation
• Maintain patch compliance reporting and remediation tracking
• Apply updates across Linux and Windows server and desktop environments
• Configure and administer WSUS
• Deploy firmware updates and patches for Cisco routers, switches, and firewalls, as well as Juniper firewalls
• Perform configuration backups and validation before making 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

Technologies:

• Cisco
• Debian
• Firmware
• Support
• ITIL
• Linux
• Network
• Security
• System Engineer
• Ubuntu
• VMware
• Windows
• Embedded

• Strong technical capability in enterprise infrastructure environments
• Excellent documentation skills
• Professional approach when working within client environments
• Experience with patch management, updates, upgrades, patches, and hotfixes
• Knowledge of Linux distributions such as Ubuntu, Debian, and Red Hat
• Experience with Windows Server 2016/2019/2022 and Windows 10/11 environments
• Ability to configure and administer WSUS
• Experience with Cisco routers, Cisco switches, Cisco firewalls, and Juniper firewalls
• Experience with VMware environments, including ESXi hosts and vCenter
• Understanding of ITIL change control processes
• Ability to support vulnerability remediation and security audits

We are Telent, part of M Group, a leading technology company and specialist in the design, build, support, and management of the UKs critical digital infrastructure. We deliver essential infrastructure services for life in a safety-first, client- and customer-centric environment where we encourage people to thrive. This IT System Engineer role is based in London, E16, UK, with a hybrid working model across our office, customer sites, and remote support. You will join our London-based infrastructure team and work across diverse enterprise customer environments, including Network Rail and TfL locations across Greater London and surrounding areas. We offer a company pension scheme, 26 days holiday plus Bank Holidays, access to an employee portal, professional development and certification support, exposure to multi-vendor infrastructure technologies, and the opportunity to make a real impact.