Network Engineer

• Manage performance and availability of Abacus datacentre networks across the US and UK
• Participate in network improvement projects
• Maintain high availability and performance for datacentre services
• Act as an escalation point for support incidents affecting multiple clients
• Serve as technical lead for internal and client projects, including client network builds
• Diagnose and resolve complex issues and proactively identify improvement opportunities
• Support and maintain network backbone infrastructure across multiple datacenters and geographic regions using OSPF, BGP, DIA, PTP, VPN, multi-gig connectivity, and cross-connects
• Lead medium-sized client engagements involving equipment deployment, network design, or refresh tasks
• Provide escalation support for client offices, Abacus datacenters, Azure and AWS public cloud networks, and remote access systems such as VPN and Citrix
• Support and maintain NGFW firewall configurations and troubleshoot datacenter and client environments
• Work directly with high-profile clients to deliver suitable solutions and resolve problems effectively
• Collaborate with internal Abacus teams to provide solutions and escalation support
• Create and maintain documentation for Abacus and client infrastructure, processes, and procedures
• Monitor technology trends and recommend solutions to improve performance, security, and efficiency
• Provide guidance and mentoring to team members

Senior Network Engineer

• Engage with customers to understand problems and identify solutions
• Work with wastewater departments to determine root causes of pollution, flooding events, and customer-related issues
• Write reports documenting findings
• Create action plans to prevent recurring issues
• Assess and manage asset risks
• Work across internal and external departments and stakeholders
• Operate independently and collaboratively
• Participate in an out-of-hours rota
• Investigate complex cases through to resolution

Sewer Network Engineer

• Participate in solution architecture for the Bank network
• Connect data centres, hosting locations, offices, branches and external services
• Ensure network developments are resilient, secure and compliant with enterprise standards
• Produce and deliver reusable connectivity patterns
• Assist with migration approaches for major transformation activity
• Help teams make decisions about routing, domain name services, load balancing, network traffic flow control and application deployment
• Bring together architecture, delivery and engineering stakeholders
• Connect strategic architecture decisions with network and security change design, assurance, deployment and operation
• Keep risk, compliance and operational readiness front of mind
• Help shape the development of network architecture capability across the wider function

Senior Network Architect

• Participate in solution architecture for the Bank network
• Connect data centres, hosting locations, offices, branches and external services
• Ensure network developments are resilient, secure and aligned with enterprise standards
• Produce and deliver reusable connectivity patterns
• Assist with migration approaches for major transformation activity
• Help teams make well-founded decisions about routing, domain name services, load balancing, network traffic flow control and application deployment
• Connect strategic architecture decisions with network and security change design, assurance, deployment and operation
• Collaborate with architecture, delivery, engineering, cyber security, platform teams and suppliers
• Keep risk, compliance and operational readiness front of mind
• Help shape network architecture capability across the wider function

• Design, deploy, migrate and support enterprise and data centre networks.
• Design and troubleshoot Cisco ACI and Cisco ISE environments.
• Work with enterprise firewall technologies, including security policies, NAT, VPNs, routing and high availability.
• Work across Layer 2/3 networking, BGP, OSPF, VLANs, VRFs, EVPN/VXLAN and spine-and-leaf architectures.
• Produce HLDs, LLDs, migration plans, test plans and technical documentation.
• Work directly with customers on technical requirements, workshops and solution design.
• Support complex troubleshooting, upgrades and customer deployments.
• Work closely with sales and pre-sales teams to develop technical solutions.
• Share knowledge and support the development of other engineers.
• Develop specialist expertise in AI and next-generation data centre networking technologies.

Senior Network Consultant

• Support incoming service transition and project implementation activities, including technical delivery, operational readiness, testing, documentation and handover into BAU operations.
• Support stable ongoing network services by managing network-related incidents, service requests and escalations in line with agreed service levels.
• Contribute to network transformation initiatives through technical input, implementation support, migration assistance and specialist engineering expertise.
• Install, configure, commission and support routers, switches, firewalls, load balancers and associated connectivity services.
• Provide input into network design, technical options, equipment recommendations and deployment approaches.
• Monitor network performance and availability, perform health checks, identify risks or degradation and support corrective actions.
• Administer and troubleshoot MPLS, BGP, OSPF, IPsec, VLANs, spanning tree, QoS, remote access and secure routing solutions.
• Support network change planning, implementation, communications and procedural compliance.
• Create and maintain network documentation, operational procedures and knowledge articles.
• Support network availability, performance, scalability and security through traffic management, WAN optimisation, caching, firewalling, encryption and quality-of-service techniques.

• Lead the redesign and optimisation of network infrastructure across sites
• Own segmentation, VLAN redesign, WAN uplinks, LAN architecture and NAT configuration
• Own deployment, enrolment and operational lifecycle of Microsoft Intune across Windows and macOS devices
• Support EDR/XDR, VPN and Zero Trust Network Access connectivity
• Maintain full-disk encryption and BYOD tooling in line with security policy
• Administer Microsoft 365 and Google Workspace
• Support identity federation using SCIM, SAML and OIDC
• Manage Azure and third-party cloud backup infrastructure
• Manage hardware procurement, deployment and secure decommissioning
• Handle BAU tickets within an ITIL/ITSM framework
• Automate infrastructure tasks using PowerShell, Python or similar and APIs
• Contribute to Cyber Essentials Plus, Cyber Assurance L2 compliance and resilience planning
• Collaborate with the Cyber & Security Operations Lead and IT Service Delivery Manager
• Report to the Head of IT & Security
• Participate in an in-person interview at the office

Senior Infrastructure & Network Engineer

• Define, maintain, and continuously improve the company’s network strategy across all regions, including office IT, campus connectivity, and OT environments supporting data centre operations
• Develop and maintain network standards, reference architectures, and approved design principles for IT and OT environments
• Own and maintain network documentation, including diagrams, standards, support procedures, asset records, topologies, configuration baselines, and control narratives
• Work with Compliance on network controls, governance requirements, ISO-aligned management systems, and customer audit expectations
• Work with IT, Security Operations, Operations, and site teams to ensure secure, practical, and supportable network solutions
• Support separation, integration, and secure management of IT and OT environments
• Lead network design reviews for new sites, expansions, upgrades, and remediation projects
• Oversee network change control and ensure changes are planned, reviewed, documented, approved, and implemented in a controlled manner
• Provide technical leadership on routing, switching, wireless, WAN, firewall integration, remote connectivity, and network availability
• Support audit responses, customer due diligence requests, risk assessments, remediation actions, and control improvement plans
• Establish and maintain network performance, availability, and compliance reporting using KPIs and trend analysis
• Work with internal teams and third-party providers to deliver, maintain, and document network services
• Contribute to incident investigation, root cause analysis, and corrective action planning
• Maintain network platforms through lifecycle, patching, backup, and configuration management
• Provide technical guidance and escalation support to IT support teams and local site resources
• Travel occasionally to Verne sites and offices for projects, audits, and operational needs
• Provide some out-of-hours support for planned changes, incident response, or critical operational activities

• Support and develop network infrastructure across more than 100 police buildings in Kent and Essex
• Support data centre network services, network security, wireless technology, and voice including ACD systems
• Recognise and mitigate network security threats and vulnerabilities
• Support critical services including 999 control rooms
• Work within the Network Services Team supporting IT and policing colleagues
• Learn and support the organisation’s network technologies
• Participate in the 24/7 on-call rota, 1 week in 4
• Visit police sites as required
• Regularly attend Northfleet Team Zone one or two days per week if based in Kent and home working is agreed
• Regularly attend Chelmsford HQ if based in Essex and home working is agreed

Senior Network Engineer – North Kent, Home Working

• Design and implement secure OT network architectures
• Configure and manage firewalls, switches, routers and secure remote access solutions
• Develop and implement network segmentation between IT, OT and safety-critical environments
• Support deployment of industrial DMZs, security zones and conduits
• Configure VLANs, routing, access controls and network security policies
• Support firewall policy design, rule reviews and optimisation
• Implement secure connectivity for OT applications, servers, engineering workstations and industrial systems
• Support network migrations, upgrades and infrastructure refresh programmes
• Undertake network testing, validation and performance analysis
• Support FAT, SAT, commissioning and production go-live activities
• Troubleshoot complex network, connectivity and firewall issues
• Support network hardening, vulnerability remediation and security improvement activities
• Produce HLDs, LLDs, network diagrams, firewall rule sets, test plans and as-built documentation
• Work alongside OT, cyber security, infrastructure, application and engineering teams
• Provide technical consultancy and guidance to customers on OT network security and resilience
• Potentially work on international projects involving global travel

Network Engineer jobs in United Kingdom

Senior Network Engineer

Sewer Network Engineer

Senior Network Architect

Senior Network Architect

Senior Network Consultant

Senior Network Engineer

Senior Infrastructure & Network Engineer

Network Engineer

Senior Network Engineer – North Kent, Home Working

Operational Technology Network Engineer/Consultant