6 of 6 Network Infrastructure Engineer Jobs in the South East

Our client, a large organisation with over 5,000 staff, is urgently seeking a skilled and motivated Senior Network Infrastructure Engineer to join their Head Office team in Hertfordshire. This is an exciting opportunity for an experienced engineer with a strong background in network design and multi-site infrastructure, who is also comfortable working … across on-premises server platforms and hybrid environments. You'll play a key role in designing, maintaining, and evolving our network and infrastructure, supporting our multi-office WAN environment. Your work will include managing routers, switches, firewalls, and SAN storage, as well as overseeing Windows Server, Active Directory, and VMware platforms. You'll be actively involved in the … transition from current network to enterprise-grade network solutions such as Juniper, Cisco, or Fortinet, would be highly beneficial. This role also provides exposure to On-perm, Azure, Microsoft 365, and hybrid cloud technologies, but your main focus will be on network infrastructure, server environments, and WAN connectivity. You'll be responsible for planning, implementing, and More ❯

Network and Infrastructure Security Engineer Bromley, Kent Upto £50,000 per annum Full Time Are you ready to take ownership of a critical network environment and help shape the future of IT infrastructure in a collaborative, forward-thinking team? Were looking for a Network Engineer who thrives on solving complex challenges, enjoys working … across infrastructure and security domains, and is excited to contribute to a high-performing, close-knit team. This is more than just a technical role its an opportunity to bring your ideas to life, influence how we evolve our network, and play a key part in delivering secure, resilient, and scalable solutions that support the entire business. What … youll do Manage and optimise network infrastructure, including virtual networks, cloud infrastructure, and WAN technologies. Configure and maintain firewalls, routers, load balancers, and switches. Deploy security and operational updates in line with business guidelines. Monitor network performance and resolve bottlenecks. Collaborate with infrastructure and security engineers to align on requirements. Support and educate helpdesk staff More ❯

Network Engineer Bromley, Kent Up to £50,000 per annum Full time, permanent Are you ready to take ownership of a critical network environment and help shape the future of IT infrastructure in a collaborative, forward-thinking team? We’re looking for a Network Engineer who thrives on solving complex challenges, enjoys working across … infrastructure and security domains, and is excited to contribute to a high-performing, close-knit team. This is more than just a technical role — it’s an opportunity to bring your ideas to life, influence how we evolve our network, and play a key part in delivering secure, resilient, and scalable solutions that support the entire business. What … you’ll do Manage and optimise network infrastructure, including virtual networks, cloud infrastructure, and WAN technologies. Configure and maintain firewalls, routers, load balancers, and switches. Deploy security and operational updates in line with business guidelines. Monitor network performance and resolve bottlenecks. Collaborate with infrastructure and security engineers to align on requirements. Support and educate helpdesk More ❯

Are you ready to lead the design and deployment of secure, enterprise-grade networking platforms? Were looking for a Lead Infrastructure Engineer Networking to join our Aerospace, Defence and Security Sector (ADS) team in Hemel Hempstead. This is a full-time, on-site role with occasional travel to client sites. You must hold active DV clearance to be … to expert for hardware and datacentre-related matters. Supporting hardware implementation and integration within secure environments. What youll bring: Active DV Clearance. Strong hands-on experience managing and configuring network platforms. Expertise in fault-tolerant networking solutions. Solid understanding of enterprise hardware installation and resilient design principles. Proficiency in networking across multi-technology solutions. Knowledge of networking in Windows … Server/Client and virtual environments. It would be great if you had: Cisco certifications. Experience with infrastructure automation tools such as Ansible and Terraform. Understanding of datacentre power and cooling requirements. Familiarity with secure environments and regulations (JSP 440, JSP 604, SCIDA). Experience with monitoring tools like SCOM and Splunk Enterprise. If youre interested in this role More ❯

This hands-on, senior role requires the design, implementation and administration of enterprise network, security and infrastructure solutions, as well as providing expert third-line support and guidance to colleagues and key stakeholders. Working as part of a small, collaborative team, the role will lead projects and support continuous service improvement. Client Details The hiring organisation is a … and operate Cisco C9200/C9300 access/core switches, Nexus, and UCS fabrics * Manage intersite WAN, internet circuits, DMZ transit, guest networks, SIP, and L2 pseudo WAN connections * Engineer and manage Get VPN routers, certificate servers, and site-to-site/remote VPNs * Integration/admin of RADIUS/AAA across devices * Own ASA firewall (DMZ), Cisco Firepower … wall screens, and streaming feeds * Maintain high-quality and current documentation * Participate in project management and continuous service improvement * Adhere to security, data protection, and evidence handling policies Profile Network/Security * CCNP-level knowledge (switching, routing, ISE, VPN/GetVPN) * Strong Cisco switching (C9200/C9300/Nexus), routing, VLANs, STP, EtherChannel, HSRP/VRRP, QoS * Advanced Firepower More ❯

This hands-on, senior role requires the design, implementation and administration of enterprise network, security and infrastructure solutions, as well as providing expert third-line support and guidance to colleagues and key stakeholders. Working as part of a small, collaborative team, the role will lead projects and support continuous service improvement. Client Details The hiring organisation is a … and operate Cisco C9200/C9300 access/core Switches, Nexus, and UCS fabrics * Manage intersite WAN, Internet circuits, DMZ transit, guest networks, SIP, and L2 pseudo WAN connections * Engineer and manage Get VPN Routers, certificate Servers, and site-to-site/remote VPNs * Integration/admin of RADIUS/AAA across devices * Own ASA Firewall (DMZ), Cisco Firepower … wall screens, and streaming feeds * Maintain high-quality and current documentation * Participate in project management and continuous service improvement * Adhere to security, data protection, and evidence handling policies Profile Network/Security * CCNP-level knowledge (switching, routing, ISE, VPN/GetVPN) * Strong Cisco switching (C9200/C9300/Nexus), routing, VLANs, STP, EtherChannel, HSRP/VRRP, QoS * Advanced Firepower More ❯