Senior 3rd Line IT Support

Senior 3rd Line IT Support Engineer – London (EC) – £50,000 - Hybrid Working

I’m supporting a fast-growing Managed Service Provider in the creative sector as they look to hire an experienced Solutions Engineer to join their team. This is a senior, hands-on role focused on complex infrastructure, 3rd-line support, and leading technical project delivery.

The Role

As a key technical figure, you’ll handle high-level escalations, deliver infrastructure and cloud projects (Azure), and work closely with clients to design and implement robust IT solutions. You’ll also mentor junior engineers and ensure best practice across the team.

Key Responsibilities

Lead 3rd-line support across servers, networking, virtualisation, cloud and security

Deliver end-to-end projects: server migrations, Azure deployments, network upgrades

Act as a technical point of contact for clients

Mentor and support junior engineers

Oversee security solutions and ensure compliance

Produce clear documentation and client reports

Technical Requirements

Strong expertise in Windows Server, AD, DNS, DHCP, GPOs

Solid experience with VMware/Hyper-V and Microsoft Azure

Backup & DR knowledge (e.g., Veeam, Acronis, Cove)

Strong networking: VLANs, VPNs, firewalls (Fortinet, Juniper, Palo Alto, Watchguard)

Storage experience (Dell, Synology)

Endpoint security technologies (Defender, Sophos)

Proven background delivering complex IT projects

Package & Benefits

40-hour week, Mon–Fri

WFH Fridays + additional remote days

22 days holiday + BH (rising to 25)

Regular company socials, awards and referral bonuses

Ongoing training & development

If you’re an experienced Senior/3rd-Line/Solutions/Infrastructure Engineer looking for your next step, get in touch for more details.

The client is looking to fill this opportunity immediately, so please apply ASAP or feel free to drop me an email with any questions to owen @ serlimited . com.

SER-IN