Senior Network Administrator - Technical Pre-Sales

About the role

A System Integration business is looking for a customer-focused Senior Network Administrator - Technical Pre-Sales. The role combines senior network engineering with pre-sales and solution architecture, acting as the key technical link between customers, vendors and internal teams across the full pre-sales lifecycle.

Key responsibilities

• Design, configure and troubleshoot enterprise LAN/WAN/WLAN/SD-WAN/VPN and security environments, and manage routing (BGP, OSPF, EIGRP), VLANs, STP, LACP, QoS, ACLs, NAT, DHCP/DNS, IPv4/IPv6.
• Monitor performance, lead root-cause analysis, support migrations and upgrades, and provide L2/L3 support.
• Qualify opportunities and gather requirements, then prepare HLDs, LLDs, architecture diagrams, BOMs, proposals, SOWs and compliance matrices.
• Respond to RFPs/RFQs/RFIs, present solutions, run demos and PoCs, and support negotiations.
• Engage vendors (Cisco, Fortinet, Palo Alto, Aruba/HPE, Juniper, VMware, Microsoft, AWS, Azure) for validation, sizing and specifications, and track roadmaps and certifications.
• Lead technical parts of tenders and proposals, coordinate internal and vendor input, and support bid reviews.
• Hand over requirements, architecture, scope, BOM and risks to project managers, and support implementation teams.
• Work with Group companies and IT/cybersecurity/cloud teams on cross-business opportunities and cross-sell.

Required profile

• Bachelor's degree in Computer Science, IT, Computer Engineering, Telecommunications or a related field.
• 6-10+ years in network engineering, administration, infrastructure or technical pre-sales; 2-4 years of customer-facing pre-sales/solution design preferred.
• Background with a System Integrator, MSP, IT services company or technology vendor highly desirable.
• Excellent communication, presentation and negotiation skills, strong analytical and documentation skills, and willingness to travel.

Required skills

• Networking: LAN/WAN, routing and switching (BGP, OSPF, EIGRP), VLANs, STP, LACP, QoS, IPv4/IPv6, DHCP/DNS, NAT, subnetting.
• Security: NGFW, IPS/IDS, site-to-site and remote VPN, IPsec/SSL VPN, segmentation, ACLs, NAC.
• Enterprise tech: SD-WAN, enterprise Wi-Fi, network monitoring, HA/redundancy, load balancing, data centre and cloud networking.
• Cloud: Azure/AWS networking, hybrid connectivity, network automation, SDN concepts (an advantage).
• Certifications such as Cisco CCNP/CCNA, Fortinet FCP, Palo Alto, Aruba/HPE, Juniper, Microsoft Azure, AWS or ITIL are preferred.