Network Engineer

About Us At Dabster , we specialize in connecting top-tier technology professionals with leading global enterprises. We are currently seeking an experienced Network Engineer to join our client’s team in Coventry, UK (Onsite) on a contract basis . Our mission is to be a trusted recruitment partner, delivering highly skilled talent for mission-critical and enterprise-scale environments.

Who Will You Work With You will work with a well-established enterprise client operating a mission-critical, highly available network environment . The role involves close collaboration with internal IT teams, security teams, business stakeholders, and external vendors such as ISPs, cabling providers, and technology partners , supporting live customer environments and network transformation initiatives.

About the Role As a Network Engineer , you will be responsible for the administration, support, and evolution of a complex LAN/WAN and security infrastructure . This role requires strong hands-on expertise across routing, switching, firewalls, VPNs, load balancers, wireless technologies , and network security , along with the ability to design and document network architectures (HLD/LLD). This is a contract, onsite position based in Coventry, UK .

Key Responsibilities

• Administer and support a wider enterprise network environment in a highly available, mission-critical setup.
• Diagnose, troubleshoot, and resolve issues across the network IT landscape within tight SLAs.
• Design and maintain High-Level Designs (HLD) and Low-Level Designs (LLD) aligned with customer requirements.
• Create and maintain technical documentation for existing and new network builds and configurations.
• Gather technical and business requirements directly from customers and stakeholders.
• Coordinate with external vendors, including ISPs, cabling partners, and service providers .
• Perform network modelling, analysis, and planning to support upgrades and expansions.
• Install, configure, upgrade, and maintain network hardware and software components .
• Execute network refresh and upgrade projects in live customer environments.
• Perform proactive and reactive network troubleshooting , isolating and resolving issues efficiently.
• Capture and analyze network traffic using Wireshark, Ethereal, SolarWinds , or equivalent tools.

Required Skills & Experience

• Proven experience delivering 4–5+ network projects in live customer environments, including network refresh or upgrade initiatives.
• Strong hands-on expertise in Cisco Routing and Switching (LAN & WAN) environments.
• In-depth experience troubleshooting Cisco Nexus switches (1000v, 2000, 3000, 4000, 5000, 6000, 7000, 9000 series), Cisco Enterprise Routers (3900, 3800) , and LAN switches (3700, 3500, 2900 series) .
• Hands-on experience with Firewall and Security Technologies , including: Cisco ASA (VPN & Firewall) Palo Alto Check Point Pulse Secure SSL VPN VMware NSX
• Experience with F5 BIG-IP Load Balancers .
• Strong understanding of IPSEC, GRE, HTTP/HTTPS, DNS , and related network protocols.
• Working knowledge of Proxy technologies and SSL .
• Experience with authentication and identity systems such as SAML, SSO, LDAP, and Microsoft Active Directory .
• Knowledge of wireless technologies , including WLCs, autonomous APs, and lightweight APs .
• Solid understanding of cybersecurity technologies, protocols, and applications .
• Proficiency in Microsoft Visio for creating network diagrams and architectures.
• Experience performing hardware installation and onsite network support activities.

What We Offer Challenging Work: Engage with complex, enterprise-scale network environments. Hands-On Exposure: Work across routing, switching, security, wireless, and load-balancing technologies. Contract Opportunity: Onsite contract role based in Coventry, UK with immediate impact. Collaborative Environment: Partner with skilled engineers, vendors, and stakeholders across the organization.