About this role
Salary: £76,000 - 94,000 per year
Requirements: Strong experience in designing, configuring, and supporting network virtualisation platforms such as NSX or similarAbility to balance hands-on engineering with technical leadership and mentoring responsibilitiesConfidence to take ownership of solutions and represent networking in technical discussionsStrong understanding of TCP/IP, the OSI model, and routing/switching protocols including BGP, OSPF, QoS, VPNs, and VLANsExperience with network virtualisation (NSX-T), including design, configuration, and support of NSX-based networking environmentsExperience with software-defined networking, including logical switching, routing, and micro-segmentationExperience integrating NSX networking within virtualised and platform environments such as VCFHands-on experience with Cisco or equivalent multi-vendor network equipmentExperience with network security technologies such as firewalls, IDS/IPS, VPN, and segmentationFamiliarity with virtualisation and cloud networking conceptsExperience with network monitoring, diagnostic, and analytics toolsUnderstanding of ITIL and service management frameworksExperience delivering within secure, enterprise, or defence environmentsVMware NSX-T deep expertise and certification, or equivalent experience, is desirableExperience with VCF networking integration, including vSphere, vSAN, and Aria Suite, is desirableKnowledge of overlay and underlay network design concepts is desirableExperience automating network configuration using Ansible, Terraform, or APIs is desirableExperience integrating with security tooling such as SIEM or SOC platforms is desirableExperience with cloud networking, including AWS, Azure, and hybrid connectivity, is desirableExperience working in secure or regulated environments is desirableA good attitude and willingness to learn Responsibilities: Design, configure, and support network virtualisation solutions such as VMware NSX within secure and enterprise environmentsTake ownership of engineering delivery for one or more work packages, including planning, estimation, execution, and reportingDevelop and review high- and low-level network designs and technical documentationIntegrate and test network components, ensuring compliance with performance and security requirementsProvide mentoring, guidance, and technical leadership to Network Engineers and TechniciansCollaborate with stakeholders, project teams, and customers to ensure solutions meet requirementsDrive continuous improvement and contribute to engineering standards and governanceSolve customer problems in an agile, innovative, and team-centric manner Technologies: AWSAnsibleAzureCloudCiscoSupportITILNetworkSecurityTCP/IPTerraformVPNVMware More:
We are Leonardo UK, a global leader in Aerospace, Defence, and Security, with over 53,000 people worldwide and 8,500 across 9 UK sites. This Senior Network Engineer role is based at our Yeovil site, with a blended hybrid working model. We offer a comprehensive, company-funded benefits package including generous leave with up to 12 additional flexi-days, an award-winning pension scheme with up to 15% employer contribution, free mental health support and financial advice, employee networks supporting inclusion and diversity, a bonus scheme for management level and below, access to 4,000+ online courses through Coursera and LinkedIn Learning, a referral programme, flexible benefits worth up to 500 annually, and flexible working options. We are committed to building an inclusive, accessible, and welcoming workplace where our people help shape innovation, advance technology, and enhance global safety.
last updated 36 week of 2026