Core Network Engineer
Listed on 2026-06-03
-
IT/Tech
Systems Engineer, Cybersecurity
Overview
About Aspire
At Aspire Technology Solutions, we are a leading UK provider of managed IT, cyber security and modern workplace solutions. We deliver cyber security, cloud, connectivity, managed services and unified communications solutions that help organisations get more from their technology - driving innovation, improving efficiency and enabling faster growth. Through strong partnerships, we help our customers work smarter, operate more efficiently and achieve better business outcomes, consistently adding value along the way.
Our mission:
To deliver technology like no other!
We look for dynamic individuals who embrace technology, think differently, collaborate as team players, and are driven by continuous improvement with a focus on great results for our customers.
RoleAbout the role
We are looking for an experienced Network Engineer to join our Core Network team, which is responsible for the design, operation, and evolution of business-critical national network infrastructure. The team operates the core network platforms that underpin backbone connectivity, data centre networks, core telephony, and hosted service platforms, where you will be working with complex routing and production networks ’ll take day-to-day ownership of network components in production, be comfortable troubleshooting live-network issues, and help improve the reliability and scalability of the network over time.
Customer service is key to success in the role – living our values are woven through everything we do to guarantee that our service delivery is second to none.
- Operating, maintaining and improving core network infrastructure, including backbone connectivity, capacity planning and availability in line with agreed SLAs.
- Designing, implementing and testing network changes and new infrastructure to support growth, resilience and service improvements.
- Troubleshooting complex network issues in production, performing root-cause analysis and implementing long-term fixes.
- Operating supporting network services and automation, including RADIUS, DNS, IPAM, DDoS mitigation platforms and task automation using tools such as Ansible, Python or APIs.
- Working with vendors and internal teams, maintaining clear network documentation and runbooks, and providing technical guidance and operational support where required.
You will suit the role if you have
- A strong understanding of TCP/IP networking, including the OSI model, and hands-on experience with routing protocols such as BGP and OSPF in IPv4 and IPv6 environments.
- Hands-on experience with enterprise or carrier-grade network platforms, such as Cisco and/or Juniper, including familiarity with operating systems like IOS-XE, IOS-XR or JunOS.
- Expertise in designing, implementing, or supporting complex networks, including technologies such as MPLS (L2
VPN/L3
VPN) and Quality of Service (QoS). - Knowledge of network security and infrastructure ecosystems, including firewalls (e.g. Fortinet, Palo Alto or similar) and supporting services in Linux-based environments.
- Expertise in optical and fibre technologies such as CWDM, DWDM or GPON.
- The ability to automate and improve network operations, with practical experience in scripting or automation using tools such as Python, Ansible or Bash.
We understand that you might not have all of the qualifications and experiences that we think are key to succeeding in this role therefore we provide continuous learning and development at Aspire which is at the heart of everything we do. As long as you are passionate, eager to learn and driven to be the best at what you do and live our values this role may be a fit for you.
At the heart of everything we do are our core values which guide how we work and grow together:
- Ambitious:
We are driven by data to achieve the best results. We push ourselves to be our best and make an impact while delivering the best experience for customers and colleagues. - Sincere:
We do the right thing for our customers and colleagues. We are honest, provide independent advice and support each other as one team. - Passionate:
We love what we do. We take pride in our work and consistently deliver…
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search: