IP Network Engineer

Stacuity

IP Network Engineer responsible for building and maintaining high-availability networks at Stacuity. Work involves routing, switching, and collaboration with architecture teams across global locations.

Posted 7/2/2026full-timeIsle of Man • Isle of ManMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDNSFirewallsGrafanaiOSLinuxPrometheusSwitching

About the role

Key responsibilities & impact

Build, configure, and maintain Stacuity’s global network across routing, switching, and firewall infrastructure
Carry out day-to-day operational tasks across our WAN, LAN, and Internet edge
Apply and follow network standards covering routing, IP addressing, DNS, NAT, and firewall zoning
Support the lifecycle management of network hardware and software, including patching, firmware updates, and end-of-life replacement.
Act as a frontline responder for network incidents
Diagnose and resolve issues across routing, switching, firewalls, and connected systems
Monitor network health and performance
Contribute to root-cause analysis and write up clear, accurate incident notes
Pick up adjacent systems work as needed
Work closely with the architecture, platform, and security teams, supporting ISO 27001 information security programme.
Keep clear, accurate documentation of network configuration, changes, and known issues.

Requirements

What you’ll need

Minimum CCNA level (or equivalent) across major enterprise networking vendors - Essential
Degree (or equivalent) in Computer Science, Network Engineering, or a related discipline - Desirable (or demonstrable practical experience)
CCNP level (or equivalent) - Desirable (or working towards it)
Excellent written and spoken English - Essential
Strong, practical understanding of high-availability and failover principles at both Layer 2 and Layer 3, gained through hands-on work on ISP or enterprise routing, switching, and firewalls.
Deep, practical expertise in IP routing at scale, including BGP (iBGP and eBGP) and IS-IS, along with hands-on experience managing external peering and transit relationships.
Solid experience with tunneling technologies such as GRE and VXLAN, and Layer 2 networking including HSRP/VRRP/VARP, VLANs and trunking, STP, and ARP/NDP.
Working knowledge of VPN technologies and IPsec, and a security-conscious approach to network design including ACLs and IDS/IDP.
Hands-on firewall configuration and management experience, including with virtualised firewalls such as pfSense, and exposure to next-generation firewall platforms such as Palo Alto, Fortinet, or Checkpoint.
Hands-on configuration and troubleshooting experience across major networking vendors, with particular depth in Cisco ASR platforms (IOS-XE) and Cisco Nexus platforms (NX-OS); broader exposure to Juniper, HP, and Arista is also valued.
Experience with SD-WAN and interconnection fabrics, such as Equinix Fabric, Console Connect, or similar platforms.
Comfortable working with hypervisors and virtualisation, particularly Proxmox, along with SR-IOV and virtual functions (VFs).
Confident HPE server management, and solid Linux administration skills (Ubuntu); familiarity with FreeBSD is an advantage.
A flexible, willing approach to general systems work beyond pure networking, such as basic server builds, storage, or scripting, when it helps get a job done.
Experience with monitoring and observability tooling, such as Prometheus and Grafana, to support proactive network health and performance management.
Comfortable producing clear, accurate technical documentation, such as configuration records, runbooks, and change notes, for day-to-day operational use.
Strong problem investigation, troubleshooting, and resolution skills, able to work through technical issues methodically, including under pressure during live incidents.
Ability to communicate technical issues and progress clearly to colleagues and, where needed, to non-technical stakeholders.
Exposure to cloud networking, such as AWS, Microsoft Azure, or hybrid cloud environments (desirable).

Benefits

Comp & perks

Flexible working possible by agreement
Compensated on-call rota
Some travel to data centres, edge sites, and partner locations expected

ATS Keywords

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Hard Skills & Tools

RoutingSwitchingFirewall ManagementIP AddressingBGPIS-ISVPN TechnologiesSD-WANTunneling TechnologiesLinux Administration

Soft Skills

Problem-SolvingClear CommunicationTechnical Documentation

Certifications

CCNACCNP