Network Engineer
- Excellent opportunity to join a growing technology organisation delivering large-scale ISP and data centre services across multiple countries.
- Full-time, permanent role focused on network operations, troubleshooting, and infrastructure support within a high-availability environment.
- Hands-on position working across routers, switches, firewalls, and Linux-based systems, with exposure to automation tools and modern network practices.
- Hybrid role based in Sheffield with occasional travel to data centres or exchange sites.
- To apply, please email
Who is the client?
Our client is an established technology provider delivering connectivity and infrastructure services to hundreds of thousands of users across multiple countries. They are known for operating at scale within ISP and data centre environments, with a strong focus on reliability, performance, and continuous improvement. Due to ongoing growth, they are expanding their network team and are looking for a Network Engineer to support and optimise their core infrastructure.
What will you be doing?
As a Network Engineer, you'll be responsible for supporting the day-to-day operation of core network infrastructure, ensuring performance, reliability, and availability across a large-scale environment.
You'll monitor, maintain, and troubleshoot routers, switches, and firewalls, resolving escalated issues and implementing configuration changes in line with best practice. The role also involves supporting new site deployments and contributing to network performance analysis and capacity planning.
Alongside operational responsibilities, you'll have the opportunity to get involved in automation initiatives, working with tools such as Python, Ansible, or Terraform to improve efficiency and scalability. You'll collaborate closely with support teams, senior engineers, and wider technology functions to ensure seamless service delivery.
What will you need?
- Solid understanding of networking principles (TCP/IP, DNS, DHCP)
- Hands-on experience with routers, switches, and firewalls
- Strong Linux skills
- Experience within a technical support or network support environment
- Proven troubleshooting and problem-solving ability
- Experience supporting or resolving escalated issues (1st/2nd line)
- Strong communication and organisational skills
What would be desirable?
- Experience with Python or other scripting/automation tools
- Familiarity with Ansible, Terraform, or infrastructure-as-code
- Knowledge of routing protocols such as OSPF or BGP
- Experience with network monitoring tools (Grafana, Nagios, LibreNMS)
- Background in ISP, NOC, or data centre environments
- Exposure to network OS such as Arista EOS or MikroTik RouterOS
- Previous on-call or incident response experience
The Package
- £33,000-£38,000 salary (DOE)
- On call allowance
- Hybrid working model
- Bonus scheme (profit share)
- Birthday day off
- Flexible holiday scheme
- Ongoing technical development and training
- Opportunity to work within a large-scale, high-performance network environment
To Apply…
Please apply directly through this advert or email your CV to
By applying, you consent to your application being processed and submitted to the client for this vacancy only.
KEY SKILLS - Network Engineer, Network Support Engineer, NOC Engineer, TCP/IP, DNS, DHCP, Routing & Switching, Firewalls, Linux, ISP, Data Centre, Automation, Python, Ansible, Terraform, Networking Infrastructure
