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Wanstor

Senior Network Engineer – Fortinet

Wanstor

. Own, support and continually improve a Fortinet-led network environment .

Posted 10/8/2026full-timeLondon • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing and troubleshooting Fortinet technologies, particularly FortiGate firewalls, while effectively collaborating with stakeholders to deliver network solutions and improvements. Proficient in network documentation and capable of leading complex network projects from design to implementation.

Highest-signal resume keywords
Fortinet TechnologiesFortiGate Firewall ManagementTCP/IP, DNS, DHCP, VLANs, VPNs, NATRouting and Switching KnowledgeNetwork Troubleshooting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Fortinet TechnologiesFortiGate Firewall ManagementTCP/IPDNSDHCPVLANsVPNsNATRoutingSwitching
Soft Skills
Customer CollaborationOrganizational SkillsProblem-SolvingCommunication
Tools & Technologies
LANWANWi-FiSD-WANNetwork DocumentationNetwork Diagrams
Industry Keywords
Network SecurityMSP EnvironmentInfrastructure ProjectsTechnical Documentation

Tech Stack

Tools & technologies
CloudDNSFirewallsSwitchingTCP/IP

About the role

Key responsibilities & impact
  • Own, support and continually improve a Fortinet-led network environment
  • Take the technical lead on network projects from initial requirements and design through implementation and handover
  • Configure, manage and troubleshoot FortiGate firewalls, including policies, VPNs, routing, security profiles and connectivity
  • Work across LAN, WAN, Wi-Fi, SD-WAN, switching, routing and firewalling
  • Lead complex troubleshooting and resolve network issues requiring deeper technical investigation
  • Identify weaknesses, risks and improvement opportunities across the network estate
  • Work directly with customer stakeholders, translating technical issues and recommendations into clear, practical advice
  • Own technical changes and ensure they are planned, tested, documented and communicated
  • Produce and maintain network documentation, diagrams, configurations and technical standards
  • Support network upgrades, migrations, refreshes and wider infrastructure projects
  • Collaborate with Wanstor technical teams and third parties on networking, cloud, security and infrastructure projects

Requirements

What you’ll need
  • Strong hands-on experience with Fortinet technologies, particularly FortiGate firewalls
  • Good knowledge of Fortinet security, VPN and SD-WAN capabilities
  • Strong understanding of TCP/IP, DNS, DHCP, VLANs, VPNs, NAT and network security
  • Strong routing and switching knowledge
  • Experience supporting and troubleshooting LAN, WAN and wireless networks
  • Confidence diagnosing complex network and connectivity issues from end to end
  • Experience delivering network changes, upgrades, migrations or implementation projects
  • Comfortable working directly with customers and senior stakeholders
  • Able to take a requirement or problem, determine the best approach and own it through to completion
  • Strong documentation skills and an organised approach to change
  • Experience within an MSP or customer-facing IT environment would be highly beneficial

Benefits

Comp & perks
  • 24 days of annual leave, increasing by 1 day each year up to 28 days
  • Bank Holidays
  • Regular lunch and learn sessions with internal and external speakers
  • 5 paid days annually for personal development
  • 2 paid volunteer days each year
  • Social events organised throughout the year