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.