Network Engineer

We're seeking a hands-on Network Engineer to support and evolve our hybrid network environment across on-premises and public cloud (Azure and Google Cloud Platform). You'll be responsible for day-to-day operations, lifecycle management, and project delivery for routing, switching, security, wireless, and edge services-across Cisco, Netskope SASE, Juniper, UniFi, and HPE platforms., * Network Operations & Support: Monitor, troubleshoot, and resolve incidents across LAN/WAN, WLAN, VPN, SD-WAN, and internet edge.

• On-Prem Infrastructure (Windows Server 2016 and above): Support core services (AD DS, DNS, DHCP, Group Policy, NPS/RADIUS).
• Cloud Networking (Azure & GCP): Design, implement, and maintain Azure VNets, Subnets, NSGs, UDRs, Private Endpoints, VPN/ExpressRoute and GCP VPCs, Firewall rules, Cloud VPN/Interconnect.
• Secure Access & Edge: Operate and optimise Netskope SASE (SWG/CASB/ZTNA/DLP) policies and remote access solutions.
• Wireless & Campus: Deploy and support UniFi/Ubiquiti wireless and switching; manage HPE/Aruba campus networking.
• Vendor Platforms: Cisco IOS/IOS-XE/NX-OS and Juniper SRX/EX platforms.
• Automation & Tooling: Use Infrastructure-as-Code (Terraform) and scripting (PowerShell/Python).
• Governance & Compliance: Apply ITIL change/incident/problem practices and embed security best practice.

• Hands-on experience with Cisco, Juniper, Netskope SASE, UniFi/Ubiquiti, and HPE networking/appliances.
• Strong knowledge of LAN/WAN, routing (OSPF/BGP), switching (VLANs, STP), VPNs (IPsec/SSL), SD-WAN, wireless security.
• Experience with Windows Server 2012+, Azure networking (VNets, NSGs, UDRs, ExpressRoute/VPN), and GCP networking (VPCs, Firewall rules).
• Proficient in automation (Terraform, PowerShell/Python) and troubleshooting using packet capture tools.
• Clear documentation skills and familiarity with ITIL processes.

Desirable Qualifications & Knowledge

• Certifications: CCNA/CCNP, JNCIA/JNCIS, Netskope SASE exposure, Azure Network (AZ-104) Engineer Associate, Google Professional Cloud Network Engineer.
• Experience with NAC, firewalling, scripting, SolarWinds Observability, and compliance frameworks.

Personal Attributes

• Analytical, methodical, and calm under pressure.
• Strong stakeholder communication; able to translate technical topics into business impact.
• Ownership mindset with a focus on reliability, security, and continuous improvement.

Work's a treat! On top of a competitive salary, you can expect a whole load of perks:

• 25 days' holiday + bank holidays - we understand the importance of you getting some down time.

• Annual Wellbeing Day - enjoy an additional day on us to look after your physical and mental wellbeing.

• Pension Scheme - helping you save towards your retirement home in the sun!

• Corporate Medical Cash Plan - claim back the cost of your medical treatments.

• Smart Working Options - spend up to 40% of your working week from home.

• So many savings - through our online community platform, you can access dozens of daily deals, from money off top brands to discounts on days out.

• Employee Assistance Programme - our people are at the heart of everything we do, so if you're happy, we're happy.

• Cycle to Work Scheme - save on the cost of biking to work.

• Monthly Employee Awards - Employee of the Month programme with £250 bonus

• Raising money for charity including a paid Volunteer Day - we're all about giving back… and having lots of fun in the process!

• Referral scheme - know the perfect person to join the team? You could bag £1,500 for a putting a good word in.

• Wellbeing Programme - giving you the opportunity to join regular, interactive Wellbeing Workshops or join our 30 plus Wellbeing Champions.

• Enhanced Family Friendly Leave - support for you and your family to help you navigate through the craziness of family life.

We Value Diversity

We champion and welcome diversity in our workforce and ensure all job applicants receive equal and fair treatment, regardless of age, race, gender or gender identity, religion, sexual orientation, disability, or nationality. We are not only committed to increasing the visibility and recognition of talent from under-represented groups within our organisation, but the wider industry too. At the end of the day, we make sure we take time to look after ourselves, each other, and the planet, because we're always stronger together. ITG have a number of community groups (ERGs) available to employees which offer a safe space for like-minded colleagues, with shared interests to connect, socialise and check in with each other. These include Black ITGers Together, LGBTQ+ Together, Mens Health Together, Muslims Together, Neurodiversity Together, Working Parents and Carers Together and Women In Tech Together. What next?