Information Technology Infrastructure Specialist

Our client is a global leader in IT services and technology
, headquartered in the UK with 25+ years of industry expertise
. They specialize in experience-led IT solutions
, pushing boundaries to challenge traditional IT approaches and drive innovation
. With operations in the USA, South Africa, Sri Lanka, Malaysia, and Macedonia, they deliver market-leading managed services, Microsoft-centric business software, and cloud solutions to 300+ ambitious mid-market organizations.

They’re looking for an exceptional L3 Engineer
—a problem-solver, strategic thinker, and hands-on expert to provide advanced technical support, infrastructure management, and IT strategy execution for a prestigious London-based client
.

As an L3 Engineer
, you’ll be the go-to technical expert
, handling the most complex challenges and leading critical infrastructure projects
. You’ll drive IT optimization, automation, and strategic improvements
, ensuring seamless operations in a high-pressure, business-critical environment.

• Advanced Technical Support & Troubleshooting
• Act as the final escalation point for complex IT issues and critical system failures.
• Perform deep-dive troubleshooting across Windows, Linux, VMware, Citrix, M365, Azure AD, SQL, and Dev Ops environments.
• Lead root cause analysis (RCA) for high-impact incidents, implementing long-term solutions.
• Optimise and troubleshoot enterprise mobility (Ivanti Neurons, UEM, UMS, iPads, tablets).
• Mentor and support L1/L2 engineers
  , sharing expertise and best practices.
• Manage and optimise Windows Server (2016, 2019, 2022), Linux, Active Directory, Exchange (2016/2019/Online), and SharePoint (2016/Online).
• Oversee and enhance virtualization platforms (VMware ESX, vCenter, Citrix Xen App/Xen Desktop, Netscaler, RSA, FSLogix).
• Architect and maintain backup & disaster recovery solutions (Veeam Backup, Replication, iLand, Veeam One, Veeam Monitor).
• Configure and manage SANs, HP Servers, replication, UPS, and high-availability environments
  .
• Deploy and utilise PRTG Enterprise Monitoring to improve incident management and system optimization.
• Lead network troubleshooting and optimization (DNS/DHCP, routing, switching, Meraki, Silver Peak, VPNs, VoIP, Brocade Fibre, Palo Alto, HPE, Cisco).
• Strengthen enterprise security policies
  , ensuring firewall, VPN, and cloud security best practices
  .
• Collaborate with network architects to design and implement secure, scalable IT solutions
  .
• Deploy and optimise security solutions with Darktrace, Zscaler, and Crowd Strike
  .
• Manage and support Dev Ops pipelines (Git Hub, Git Lab, Azure Dev Ops, Visual Studio, Python, Visual Basic).
• Automate infrastructure tasks using Power Shell, Python, or other scripting tools
  .
• Optimise SQL environments (
  SQL 2016/2019, DBA, Reporting Services, Integration Services, Power BI, Analysis Services
  ).
• Lead infrastructure projects
  , including cloud migrations, security hardening, automation, and system upgrades
  .
• Develop and implement best practices for patch management, performance tuning, and compliance
  .
• Collaborate with senior leadership and C-level stakeholders to shape IT strategy.
• Drive service improvements, capacity planning, and performance monitoring using Service Now ITSM
  .
• Document solutions, create runbooks
  , and enhance IT operational workflows.

• 7+ years of experience in enterprise IT support and infrastructure engineering
  .
• Advanced expertise in Windows Server, Linux, VMware, Citrix, Entra AD, M365, and
• Strong knowledge of backup & DR (Veeam, iLand, replication, cloud disaster recovery).
• Deep networking expertise (
  Cisco, Meraki, VPNs, VoIP, Palo Alto, Brocade Fibre
  ).
• Hands-on experience with Ivanti Security Control, Darktrace, Zscaler, and Crowd Strike
  .
• SQL administration skills, including Power BI and database optimization
  .
• Experience in Dev Ops, scripting (Power Shell, Python), and automation
  .
• Strong leadership, mentoring, and project management capabilities.
• Preferred
  
  Certifications:
  
  MCSE, VCP, CCNP, Citrix CCE-V, ITIL, Veeam VMCE.

• Work on high-profile enterprise IT systems for a prestigious London-based client.
• Be part of a cutting-edge, innovation-driven IT team
  .
• Competitive salary and benefits package.
• Career growth within a leading global managed service provider
  .

Ready to tackle enterprise IT challenges and lead next-generation solutions?