> Markdown version of [/jobs/ext/3521167-second-line-technical-support-engineer](https://www.wearedevelopers.com/jobs/ext/3521167-second-line-technical-support-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Second Line Technical Support Engineer - **Company:** Krome Technologies Ltd - **Location:** Chertsey, UK - **Experience:** Experienced - **Salary:** £30,000.0 - £40,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, System Configuration, Hyper-V, Networking Hardware, Microsoft Office, Microsoft Software, Microsoft SQL Server, Network Monitoring, Citrix Systems, Paessler Router Traffic Grapher, Standard Sql, TCP/IP, Transmission Control Protocol (TCP), Virtualization Technology, VMware VSphere, Windows Desktop, Office365, ARUBA, Firewalls (Computer Science), Information Technology, Laptops, Network Server, Cisco, Server Operating Systems & Platforms, Vmware - **Published:** October 2, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5905468341 ## About the Role * At least two years of experience in a similar role * Knowledge of Microsoft software and infrastructure technologies, including Windows Desktop and Server Operating Systems, Microsoft Office and M365, Exchange, Teams Telephony, Active Directory, Palo Alto firewalls, Darktrace, VMware vSphere, Hyper-V, SAN, Citrix, SQL Server, Aruba or Extreme Wireless, and PRTG network monitoring; experience with some or all is required * Virtualisation experience across building, installing, configuring, and providing standard support * Good understanding of TCP/IP networking * Ability to install and decommission hardware such as laptops, printers, PCs, monitors, servers, and network equipment * Strong communication skills in person and by telephone, with excellent written and spoken English * Personable approach and ability to build rapport with IT technicians and integrate with our technical team and client IT departments * Ability to learn new customer networks rapidly and adapt quickly * Punctual and thorough working style, with strong attention to detail * A bachelors degree or related IT qualifications are desirable but not essential * A full UK driving licence is desirable ## Description * Troubleshoot hardware and software problems escalated from first line * Investigate security alerts * Work with our internal teams to manage IT infrastructure and keep it up to date * Maintain our knowledge base and contribute to process and technical documentation * Follow SLAs and track ticket-resolution metrics Technologies: * Active Directory * Aruba * Citrix * Cisco * Hardware * Hyper-V * Support * Network * SQL * Security * TCP/IP * VMware * Windows * REST