Senior Network Engineer
ABACUS · UK wide
Senior Network Engineer at ABACUS, across the UK. This is a permanent role.
- Salary
- Competitive
- Location
- UK wide
- Contract
- Permanent
- Posted
- 5 days ago
- Closes
- 20 Nov 2026
- Sector
- DevOps Engineer
Reference 8011538003
About the role
- Diagnose and resolve complex issues quickly, proactively identify areas for improvement, and recommend solutions.
- Support and maintain network backbone infrastructure involving multiple datacenters and geographic regions based on dynamic routing protocols (OSPF, BGP), and various mediums (DIA, PTP, VPN, multi-gig connectivity,
- cross-connects)
- Work independently to lead medium sized client engagements involving equipment deployment, network design, or refresh tasks.
- Provide escalation support for incidents involving client offices, Abacus datacenters, public cloud networks (Azure and AWS), and remote access (VPN, Citrix, etc.).
- Support and maintain NGFW firewall configurations with the ability to troubleshoot datacenter and client environments.
- Work directly with high profile clients to provide solutions that meet their needs, and account for critical dependencies to ensure seamless and effective resolution to problems.
- Maintain a high level of communication and collaboration with internal Abacus teams to provide solutions and escalation support.
- Create and maintain comprehensive documentation for Abacus and client infrastructure, processes, and procedures.
- Stay abreast of the latest technological trends and recommend solutions to improve performance, security, and efficiency.
- Provide guidance and mentoring to other team members to develop their skills.
- Strong experience deploying and managing Juniper hardware including SRX and EX platforms.
- Strong experience deploying and managing Cisco hardware including ISR, ASR, Nexus, and Catalyst platforms.
- Strong experience supporting NGFW solutions from Palo Alto, FortiNet, and Cisco.
- A thorough understanding of the OSI network model, Ethernet, and TCP/IP networking concepts.
- Excellent LAN/WAN fault diagnostic and troubleshooting skills, including in-depth knowledge of Spanning Tree,
- TCP/IP, DHCP, DNS, BGP, OSPF, VPN, IPSEC, QoS, NATs and ACLs.
- Experience managing datacentre networks, preferrable in a multi-tenant MSP environment. Ability to maintain network performance, identify issues and recommend solutions.
- Experience with office network design, implementation, monitoring, and troubleshooting.
- Experience leading client engagements with an ability to suggest innovative solutions.
- Expertise leading technical projects from start to finish, ensuring they are completed on time, and to the client’s satisfaction including gathering requirements, planning, execution and post-implementation review.
- Experience with network monitoring platforms
- Solid understanding of virtualization and network integration with VMware infrastructure.
- Experience maintaining network solutions based on Azure’s platform preferred.
- Flexible and able to adapt to changing priorities and project requirements. Ability to effectively prioritize when faced with multiple tasks.
- Strong and detailed documentation, interpersonal, and communications skills.
- Willingness to learn new technologies and maintain industry knowledge.
- Ability to work with and be a part of collaborative team environment.
- 8 + years of Networking experience
- CCNP, JNCIP or equivalent certification preferred
- Bachelors degree a plus
- MSP experience a plus
- Flexibility for after hours and weekend work
- Ability to work on call rotation
- Ability to work 8/8.30am - 5/5.30pm shift.
- Generous annual leave entitlement plus bank holidays (pro-rata if part-time working hours apply)
- Gym discount
- Life insurance
- Comprehensive travel insurance for you and your family in line with scheme rules
- Confidential well-being and counselling support
- Competitive Compensation
- Contributory pension scheme
- Company events
- Private Medical and Dental Insurance
Reference: 8011538003 · Posted 5 days ago · Closes 20 Nov 2026 · Listed via ABACUS
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