IT Onsite Technical Support Engineer

IT Onsite Technical Support Engineer📍 Client Site-Based - Brighton | 💼 Permanent | 🔧 Microsoft Technology FocusBe the technical hero clients rely onSome IT roles keep you at a desk. This one puts you at the frontline of client success—solving complex challenges, preventing problems before they happen, and being the trusted technical expert that businesses depend on.At Focus Group, we're a fast-growing PE-backed Microsoft partner with 1,300 employees delivering seamless IT operations for ambitious organisations. This role gives you ownership of technical excellence at a key client site, where your expertise directly shapes their experience and success.What makes this role differentYou won't be stuck in reactive fire-fighting mode. This is a proactive, strategic technical position where you'll combine hands-on problem-solving with service improvement initiatives. You're the technical authority for us on-site—managing everything from complex incidents to health checks, mentoring colleagues, and driving automation.Your day-to-day:Own and resolve first and second line support tickets with autonomy and accountabilityTackle escalated incidents that need advanced troubleshooting and root cause analysisNavigate complex technical challenges across Microsoft 365, Azure AD, Intune, Windows environments, and network infrastructureMonitor and respond to security alerts from EDR/XDR, email security, and vulnerability management platformsConduct proactive health checks covering backups, security monitoring, patch compliance, and system performanceCoordinate with vendors on complex issues while keeping stakeholders informedSupport strategic client projects including migrations, deployments, and infrastructure improvementsBuild a knowledge repository that makes the entire team strongerSpot opportunities for service improvement and automation before issues ariseMentor other engineers and share your technical expertise generouslyWhat you'll bring to the tableCore technical expertise:Advanced troubleshooting skills for Windows 10/11 and Windows Server environments (2016/2019/2022)Deep knowledge of Microsoft 365 admin—Exchange Online, SharePoint, Teams, OneDriveStrong experience with Azure Active Directory/Entra ID, including conditional access, MFA, and hybrid identityHands-on proficiency with Microsoft Intune/Endpoint Manager for device and application managementWorking capability with PowerShell scripting for automation and troubleshootingExperience with modern backup solutions like Veeam or Azure BackupSolid understanding of networking fundamentals—DNS, DHCP, VLANs, VPN, firewall configurationsSecurity and compliance foundation:Experience with enterprise security tools including antivirus/EDR, email security, and content filteringKnowledge of GPOs and Intune policy managementUnderstanding of cybersecurity principles and best practicesFamiliarity with EDR/XDR platformsExperience with vulnerability and patch management processesAwareness of frameworks like Cyber Essentials or ISO 27001Professional capabilities:Exceptional analytical and problem-solving abilities with a methodical troubleshooting approachStrong customer service orientation—you can translate technical complexity into clarityEffective time management and prioritisation in fast-paced environmentsClear communication skills for both documentation and client interactionsAbility to work autonomously while contributing to team objectivesExperience with PSA/ticketing systems (ServiceNow or similar)Full UK driving licence for travel between client sitesCalm professionalism under pressure during critical incidentsThe mindset we're looking for:Customer-focused with genuine ownership mentalityProactive rather than reactive—you prevent problems, not just fix themContinuous learner who stays current with evolving technologiesCollaborative team player who lifts others upAdaptable to changing priorities and emerging techCommitted to consistently delivering high-quality serviceBonus points forMicrosoft certifications (MD-102, MS-900, AZ-900, SC-900)Experience with RMM platforms like Datto RMMKnowledge of automation platforms such as RewstExperience with enterprise networking equipment (HP Aruba, Cisco, Meraki, Fortinet, SonicWall)Familiarity with SD-WAN and cloud networking conceptsVirtualisation platform experience (VMware ESXi, Hyper-V, Azure VMs)Understanding of VoIP/Teams telephonyCloud backup and disaster recovery solution experienceSQL Server basics and database connectivity troubleshootingMulti-platform support experience (MacOS, iOS, Android)ITIL or MSP service management framework exposureWhy Focus Group?Strategic positioning: You're not hidden away—you're the face of technical excellence to our clientsModern Microsoft stack: Work with cutting-edge M365, Azure, and security technologies in production environmentsGrowth environment: PE-backed expansion means career progression opportunities as we scaleTrusted partner status: We're a recognised Microsoft partner delivering enterprise-grade servicesTeam culture: Join 1,300 colleagues in a collaborative environment that values technical excellence and knowledge sharingProfessional development: Ongoing training, certification support, and exposure to diverse technical challengesClient variety: Work across different industries and technical environments—no two days are the sameThe practical detailsLocation: Primarily based at key client site with short travel between one other nearby location as requiredTravel: Full UK driving licence essentialDocumentation: Strong emphasis on knowledge sharing and solution documentationReady to own technical excellence?If you're an experienced technical support engineer who thrives on client interaction, loves solving complex problems, and wants to be the go-to expert that businesses rely on, we want to hear from you.Apply now and become the technical authority that drives client success.