Senior Network Engineer
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Before you apply
LocationRemote in UK
Work moderemote · United Kingdom
Typefull-time
SenioritySenior
Experience8+ yrs
DepartmentNetwork Engineering
Company size501–1,000 people
PostedOct 2, 2026 · 1mo ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
8+ years of Networking experience
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
Thorough understanding of the OSI network model, Ethernet, and TCP/IP networking concepts
Excellent LAN/WAN fault diagnostic and troubleshooting skills
Experience managing datacentre networks, preferably in a multi-tenant MSP environment
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
Experience with network monitoring platforms
Solid understanding of virtualization and network integration with VMware infrastructure
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
Flexible and able to adapt to changing priorities and project requirements
Experience maintaining network solutions based on Azure's platform preferred
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
Skills
Cisco
Juniper
Palo Alto
FortiNet
OSPF
BGP
VPN
Citrix
Azure
AWS
VMware
TCP/IP
DHCP
DNS
IPSEC
QoS
NAT
ACL
Spanning Tree
Ethernet
NGFW
SRX
EX
ISR
ASR
Nexus
Catalyst
Benefits
Health insurance
Dental insurance
Life insurance
Pension
Unlimited PTO
Gym membership
Employee assistance
Travel insurance
Company events
Job Summary:
As a Senior Network Engineer, you will bring your expertise with Cisco, Juniper, and next generation firewall technologies to the position. You will manage performance and availability of Abacus datacentre networks across the US and UK and participate in improvement projects. You will be part of a team tasked with maintaining a very level of availability and performance for datacentre services. You will also be a point of escalation for support incidents that affect multiple clients. Further, you will serve as a technical lead for internal and client projects, participating in client network builds.
Responsibilities:
•
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,
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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.
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.
Qualifications:
•
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.
The benefits package consists of:
•
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
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Competitive Compensation
•
Contributory pension scheme
•
Company events
•
Private Medical and Dental Insurance