IT Onsite Technical Support Engineer
? Client Site-Based - Brighton | ? Permanent | ? Microsoft Technology Focus
Be the technical hero clients rely on
Some 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 different
You 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 accountability
Tackle escalated incidents that need advanced troubleshooting and root cause analysis
Navigate complex technical challenges across Microsoft 365, Azure AD, Intune, Windows environments, and network infrastructure
Monitor and respond to security alerts from EDR/XDR, email security, and vulnerability management platforms
Conduct proactive health checks covering backups, security monitoring, patch compliance, and system performance
Coordinate with vendors on complex issues while keeping stakeholders informed
Support strategic client projects including migrations, deployments, and infrastructure improvements
Build a knowledge repository that makes the entire team stronger
Spot opportunities for service improvement and automation before issues arise
Mentor other engineers and share your technical expertise generously
What you'll bring to the table
Core technical expertise:
Advanced troubleshooting skills for Windows ***** and Windows Server environments ***************)
Deep knowledge of Microsoft 365 admin—Exchange Online, SharePoint, Teams, OneDrive
Strong experience with Azure Active Directory/Entra ID, including conditional access, MFA, and hybrid identity
Hands-on proficiency with Microsoft Intune/Endpoint Manager for device and application management
Working capability with PowerShell scripting for automation and troubleshooting
Experience with modern backup solutions like Veeam or Azure Backup
Solid understanding of networking fundamentals—DNS, DHCP, VLANs, VPN, firewall configurations
Security and compliance foundation:
Experience with enterprise security tools including antivirus/EDR, email security, and content filtering
Knowledge of GPOs and Intune policy management
Understanding of cybersecurity principles and best practices
Familiarity with EDR/XDR platforms
Experience with vulnerability and patch management processes
Awareness of frameworks like Cyber Essentials or ISO *****
Professional capabilities:
Exceptional analytical and problem-solving abilities with a methodical troubleshooting approach
Strong customer service orientation—you can translate technical complexity into clarity
Effective time management and prioritisation in fast-paced environments
Clear communication skills for both documentation and client interactions
Ability to work autonomously while contributing to team objectives
Experience with PSA/ticketing systems (ServiceNow or similar)
Full UK driving licence for travel between client sites
Calm professionalism under pressure during critical incidents
The mindset we're looking for:
Customer-focused with genuine ownership mentality
Proactive rather than reactive—you prevent problems, not just fix them
Continuous learner who stays current with evolving technologies
Collaborative team player who lifts others up
Adaptable to changing priorities and emerging tech
Committed to consistently delivering high-quality service
Bonus points for
Microsoft certifications (MD-102, MS-900, AZ-900, SC-900)
Experience with RMM platforms like Datto RMM
Knowledge of automation platforms such as Rewst
Experience with enterprise networking equipment (HP Aruba, Cisco, Meraki, Fortinet, SonicWall)
Familiarity with SD-WAN and cloud networking concepts
Virtualisation platform experience (VMware ESXi, Hyper-V, Azure VMs)
Understanding of VoIP/Teams telephony
Cloud backup and disaster recovery solution experience
SQL Server basics and database connectivity troubleshooting
Multi-platform support experience (MacOS, iOS, Android)
ITIL or MSP service management framework exposure
Why Focus Group?
Strategic positioning:
You're not hidden away—you're the face of technical excellence to our clients
Modern Microsoft stack:
Work with cutting-edge M365, Azure, and security technologies in production environments
Growth environment:
PE-backed expansion means career progression opportunities as we scale
Trusted partner status:
We're a recognised Microsoft partner delivering enterprise-grade services
Team culture:
Join 1,300 colleagues in a collaborative environment that values technical excellence and knowledge sharing
Professional development:
Ongoing training, certification support, and exposure to diverse technical challenges
Client variety:
Work across different industries and technical environments—no two days are the same
The practical details
Location:
Primarily based at key client site with short travel between one other nearby location as required
Travel:
Full UK driving licence essential
Documentation:
Strong emphasis on knowledge sharing and solution documentation
Ready 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.
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