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# Change Network Engineer

- **Company:** Hackajob Ltd
- **Location:** Godmanchester, United Kingdom
- **Salary:** £59,999
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Artificial Intelligence, Configuration Management, Complex Networks, Data Centers, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Fault Tolerance, High-Level Architecture, Network Security, Network Layer, Machine Learning, Windows Servers, Network Planning and Design, Network Monitoring, Routing, Network Segmentation, Network Service, Network Virtualization, Red Hat Enterprise Linux, Verification and Validation (Software), Data Logging, Dynamic Routing, Firewalls (Computer Science), Juniper, SolarWinds (Software), Palo Alto Networks, Fortinet, Cisco, Vmware
- **Published:** November 12, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5961625559

## About the Role

* Extensive commercial experience in network engineering, with strong enterprise and data centre networking expertise.
 * Strong experience in Layer 2 and Layer 3 networking, network design, routing and switching across enterprise, data centre, campus and WAN environments, including static and dynamic routing protocols.
 * Experience designing and supporting high-availability networks, data centre spine-leaf architectures, large-scale infrastructure and technical refresh programmes; understanding of resilience, redundancy and fault-tolerant design.
 * Experience with network security technologies, including Cisco routing, switching, firewalls and security technologies; Fortinet FortiGate and FortiSwitch; Palo Alto Networks Next-Generation Firewalls; Juniper SRX; VMware NSX and virtual networking; network segmentation, security controls, encryption and secure network design.
 * Experience supporting critical data centre workloads across Windows Server and Linux/RHEL environments; understanding of Active Directory, DNS, DHCP, Group Policy, SAN and storage-connected environments, virtualised infrastructure and data centre platforms.
 * Strong experience with network monitoring and management technologies, including SolarWinds or comparable enterprise platforms, and ability to analyse monitoring, logging and performance data.
 * Defence, Government or other highly secure environment experience is highly desirable, with understanding of technical assurance, security standards, configuration management and controlled change.
 * DV security clearance is required, or the ability to obtain and maintain the required clearance.
 * Ability to operate at senior engineer or technical lead level, take ownership of complex technical issues, and demonstrate strong analytical and problem-solving skills.
 * Excellent written and verbal communication skills, including experience producing high-quality technical documentation and network designs.
 * Ability to work effectively with customers, suppliers and multidisciplinary engineering teams, with a commitment to engineering quality, security and continuous improvement.
 * Ability to consider wider business and operational context and willingness to investigate and adopt appropriate new technologies and automation approaches.

## Description

* Provide senior network engineering expertise and technical leadership across the programme.
 * Develop and deliver secure, resilient and scalable network solutions across data centre, campus and wide-area environments.
 * Produce and assure technical designs, including High-Level Designs, Low-Level Designs, implementation documentation and work instructions.
 * Lead network engineering across the full service lifecycle, from requirements and design through implementation, testing, acceptance and operational support.
 * Work with architects, project teams, operational support teams and delivery partners to integrate network services successfully.
 * Provide technical assurance and contribute to engineering standards, processes and best practice.
 * Lead investigations and resolve complex network incidents and problems through to successful resolution.
 * Support major technical refresh programmes involving large numbers of network and security devices.
 * Identify opportunities for service improvement, automation and operational efficiency.
 * Evaluate emerging technologies and identify opportunities to improve capability, resilience, security and service delivery.
 * Contribute to verification and validation, ensuring solutions meet technical, security and operational requirements.
 * Work directly with customers to understand requirements, resolve technical issues and provide engineering advice.
 * Communicate complex technical information to technical and non-technical stakeholders.
 * Support junior engineers and share knowledge across the wider technical team.

Technologies:

 * Active Directory
 * Cisco
 * FortiGate
 * Support
 * Linux
 * Network
 * RHEL
 * Security
 * VMware
 * Windows
 * AI
 * Machine Learning