> Markdown version of [/jobs/ext/2304244-1st-line-service-support-engineer](https://www.wearedevelopers.com/jobs/ext/2304244-1st-line-service-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). --- # 1st Line Service & Support Engineer - **Company:** DuoCall Communications Ltd. - **Location:** South Yorkshire, UK - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Microsoft Azure, Ubuntu (Operating System), CentOS, Cloud Computing, Data Centers, Dynamic Host Configuration Protocol, Linux, Ethernet, Hyper-V, Issue Tracking Systems, Networking Hardware, Virtual Private Networks (VPN), Windows Servers, Routing, SQL Databases, Virtualization Technology, Windows Desktop, Network Access Control, Cloud Platform System, Sonicwall, Firewall Services Module, Vmware - **Published:** August 30, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815451411-1st-line-service--support-engineer ## About the Role * SonicWall firewall * Ubiquiti Unifi and EdgeMAX switching and routing * Meraki firewall and wireless * Windows server (2008-2025) [90%] and Linux (Ubuntu/CentOS) [10%] * Microsoft 365, * At least 1 - 2 years working for a MSP in a service desk environment * Knowledge of ticketing systems and CRM * Microsoft 365 * Networks - Routing, switching and wireless deployment, ideally in a managed services setting * Stateful firewall configuration and network access control policy * Site-to-site and point-to-site VPNs * WAN and LAN technologies (eg PPP, Static, DHCP) Preferred knowledge and/or experience * APIs, scripting and automation * Windows desktop and windows server * SQL databases * Azure or other cloud technology * Virtualization technologies (HyperV and VMware) * SDN technologies (eg Unifi or Meraki) * Physical network technologies - ethernet, fibre, patching, racking etc. ## Description As a 1st Line Service & Support Engineer at DuoCall MSP, you'll be the first point of contact for customers, delivering friendly, effective technical support across a range of platforms and environments. Based full time at our Head Office in Rotherham, this role is ideal for someone passionate about customer service, problem-solving and building strong technical foundations within an MSP environment., * Customer support for all 1st line technical issues * Supporting customers with Microsoft 365, 3rd Party applications as well as other tools * Continually research, design and implement best practices across internal and managed customer environments * Configuration and maintenance of internal and customer firewalls, as well as other networked equipment * Maintenance and support of datacentre and cloud systems for internal and customer usage ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)