3rd Line project and Pre-Sales Engineer (Technical Support)

3rd Line Project & Pre‐Sales Engineer

£40,000 – £50,000 | London or Kent

With offices in the City of London and Kent, Iglu are a Total Technology Partner helping organisations design, secure and run modern workplaces that genuinely work for their people.

Our approach is simple: human‐centric technology, tailored to each customer’s workflows and business goals. We believe in hiring smart, motivated people who care about doing things properly — and we’re now looking for a 3rd Line Project & Pre‐Sales Engineer to join our growing technical team.

The role

This is a senior, hands‐on role combining 3rd line technical escalation, project delivery and pre‐sales support.

You’ll work closely with our Senior Infrastructure Engineers, CTO and wider support teams to ensure:

• complex issues are resolved quickly and professionally
• projects are delivered on time with minimal customer disruption
• sales teams are supported with robust, well‐designed technical solutions

You’ll also be the go‐to internal contact for EDR/SOC security incidents and projects.

Key responsibilities

• Act as a 3rd line escalation point for complex technical issues
• Deliver business‐critical infrastructure, network and security projects
• Support the sales team with technical pre‐sales advice and solution design
• Own and manage your support tickets and project queue, meeting SLAs
• Maintain clear, professional and consistent customer communication
• Escalate issues to Senior Engineers, CTO or Leadership when required
• Perform configuration and rebuilds on network and server infrastructure
• Manage and support Azure and Microsoft 365 environments
• Troubleshoot and configure site‐to‐site VPNs, SSL certificates and web servers
• Lead on EDR/SOC incident response and cyber security projects
• Attend customer sites where required
• Work closely with internal teams and third‐party vendors

What we’re looking for

You’ll be an experienced engineer with strong technical ability and a customer‐first mindset.

Essential

• 4+ years in a 3rd line (or senior 2nd line) engineering role
• Strong networking knowledge: IP addressing, DNS, DHCP, VLANs, VPNs
• Solid experience with firewalls and network security
• Microsoft 365 administration
• Conditional Access, Intune, MAM & MDM policies
• Windows Server (2016 / 2022 / 2025)
• Active Directory & Group Policy
• Apple iOS and macOS support
• Excellent written and verbal communication
• Strong time management and problem‐solving skills

Desirable

• MSP or outsourced IT experience
• Datto RMM / Autotask PSA
• Azure servers and Virtual Desktop
• Palo Alto, Cisco Meraki or WatchGuard firewalls
• VMware / Hyper‐V
• PowerShell scripting
• SharePoint administration
• Microsoft 365 Governance and DLP
• ISO 27001 / CIS framework awareness
• Relevant professional certifications (MCSE, CCNA, CompTIA, etc.)

What you’ll get

• Competitive salary: £40k – £50k (DOE)
• Flexible working (post‐probation)
• 22 days holiday (rising to 25 after 2 years)
• Workplace pension
• Ongoing training and development
• Professional qualification incentives
• Annual Health Week
• A supportive, highly skilled engineering team that values quality over shortcuts

If you’re a senior engineer who enjoys variety, ownership and real customer impact, we’d love to hear from you.