Senior Network Security Engineer (Fortinet)

TL;DR

Senior Network Security Engineer (Fortinet): Resolve complex security incidents in enterprise-grade Fortinet firewall operations with an accent on advanced diagnostics, change management, and service optimization. Focus on packet inspection, HA cluster troubleshooting, root cause analysis, and architectural improvements for mission-critical security environments.

Location: 100% Onsite at Södertälje Headquarters (Sweden). Local operational hours, with availability for extended support during incidents.

Company

Leading Swedish IT consulting firm specializing in building high-performing technology teams and delivering end-to-end IT solutions for clients in industrial innovation.

What you will do

• Resolve complex security incidents involving Fortinet infrastructure, network overlays/underlays, and BGP/OSPF routing.
• Perform expert-level packet inspection, session troubleshooting, and diagnostics for HA clusters.
• Design and execute high-risk changes using HLD/LLD and ITIL frameworks.
• Lead RCA for recurring issues and identify architectural improvements.
• Escalate to Fortinet TAC and collaborate with L4 Architects on projects.
• Mentor L1/L2 support teams with technical guidance.

Requirements

• Minimum 5+ years operating enterprise-grade security environments (Data Center focus)
• Valid Fortinet Certified Professional (FCP) or NSE 4-6 certification (proof required)
• Hands-on mastery of FortiGate, FortiManager, FortiAnalyzer, and SD-WAN
• Strong Layer 2–7 packet analysis, vulnerability remediation, multi-domain traffic flows

Nice to have

• Fortinet Certified Solution Specialist (FCSS/NSE 7)
• Check Point firewalls experience (CCSA/CCSE)
• SIEM and NMS monitoring platforms

Culture & Benefits

• Dynamic workplace in cutting-edge robotic technologies
• Collaboration with cross-functional teams on impactful projects
• Competitive compensation and comprehensive benefits
• Supportive culture with continuous learning and growth
• Flexible hybrid model and 25 days annual leave
• Annual wellness allowance of 3,500 SEK