Network Engineer – NSX

Overview

In this role you will design, configure, and support secure, virtualised networks for enterprise environments, with a focus on NSX-based solutions. You will own delivery of work packages, mentor junior engineers, and collaborate with stakeholders to meet security and performance requirements. The position blends hands-on engineering with technical leadership in a hybrid work setting, supporting critical UK systems. You will help shape standards and governance while driving continuous improvement.

Pay / Benefits

• flexible hours and hybrid working
• up to 12 additional flexi-days per year
• pension scheme with up to 15% employer contribution
• mental health support and wellbeing resources
• bonus scheme for eligible employees
• up to 4,000+ online courses via Coursera and LinkedIn Learning

Responsibilities

• Design, configure and support NSX-based network virtualization solutions in secure environments
• Own engineering delivery for one or more work packages (planning, estimation, execution, reporting)
• Develop and review high- and low-level network designs and technical documentation
• Integrate and test network components to meet performance and security requirements
• Provide mentoring, guidance and technical leadership to engineers and technicians
• Collaborate with stakeholders, project teams and customers to ensure solutions meet requirements
• Drive continuous improvement and contribute to engineering standards and governance

Key requirements

• Strong experience in designing, configuring, and supporting network virtualization platforms (NSX or similar)
• Balance hands-on engineering with technical leadership and mentoring responsibilities
• Confidence to own solutions and represent networking in technical discussions
• Strong understanding of TCP/IP, OSI model, and routing/switching protocols (BGP, OSPF, QoS, VPNs, VLANs)
• NSX-T design, configuration and support in virtualised environments
• Software-defined networking implementation (logical switching, routing, micro-segmentation)
• NSX integration within virtualised/platform environments (VCF)
• Hands-on experience with Cisco or equivalent multi-vendor equipment
• Network security technologies (firewalls, IDS/IPS, VPN, segmentation)
• Familiarity with virtualization and cloud networking concepts
• Network monitoring, diagnostic and analytics tools
• ITIL and service management familiarity
• Delivery experience within secure/enterprise/defence environments

• Mentoring and technical leadership
• Collaboration with stakeholders and cross-functional teams
• Clear communication and confidence in technical discussions
• NSX-T (design, configuration, support)
• Software-defined networking (micro-segmentation, logical switching, routing)
• VCF integration (vSphere, vSAN, Aria Suite)

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