Senior Network Security Engineer

Kaliba — Australia · Posted ~4 hours ago

Senior Full-time Hybrid

Skills

Network security Firewalls Routing Palo Alto Fortinet Incident response SD-WAN

🔓 Log in to save this job, tailor your resume & track your apply process — 7 days free, no card needed.

Log in to add to target list

Summary ✨ AI‑Generated

A senior network security position responsible for resolving advanced infrastructure issues, leading incident response, designing security policies, and supporting enterprise network environments.

Highlights

Senior technical role handling complex security incidents, network challenges, and mentoring other engineers.

Description

Senior Network Security Engineer (Level 3) – Managed Services Melbourne (hybrid) | Full-time, permanent Our client, a Melbourne-based managed services provider, is hiring a Level 3 Network & Security Engineer to be the top technical escalation point for its Network, Security & Cyber team. You'll take the toughest tickets, lead major incident response and coach the engineers coming up behind you. What you'll do Act as the escalation point for L1/L2 engineers across incidents, service requests and changesLead the technical response on P1/P2 major incidents, then own root cause analysis and deliver the customer-facing write-upResolve complex, cross-domain and multi-vendor faults end to endDesign, configure and troubleshoot firewall and routing policy across Palo Alto and Fortinet environments, including SD-WANPlan and deliver changes with rollback plans, including after-hours windows, upgrades and migrationsPass chronic, recurring faults to the technical lead for formal problem managementMentor L2 engineers and contribute runbooks, knowledge articles and automation What you'll bring 6+ years in network and security engineering, including 2+ years at L3 or senior escalation level within an MSP or MSSPDeep, hands-on Fortinet experience: FortiGate, FortiSwitch, FortiAP, Fortinet Secure SD-WAN, FortiManager and FortiAnalyzer. NSE 4 minimum; NSE 5/6/7 highly regardedPalo Alto Networks firewalls and Panorama: security policy, App-ID/User-ID, NAT, VPN, threat prevention. PCNSA/PCNSE highly regardedEnterprise routing and switching: BGP, OSPF, VLANs, STP, HA/clustering, QoS, IPSec and remote-access VPNA track record of independently resolving complex multi-vendor faults, with RCAs that hold up under customer scrutinyITIL-aligned discipline across tickets, change and problem management, with comfort working to measured SLA and quality targetsAustralian work rights, and availability for on-call, after-hours work and customer site visits