Senior Network Security Engineer
Core
Hands-on operations and administration of enterprise network security infrastructure including firewalls, VPNs, and MFA systems across on-premises and hybrid-cloud environments.
Role type
Senior Network Security Engineer (Operations)
Builds
Production security platforms, secure connectivity, and operational stability for enterprise networks
Domain
Cybersecurity / Network Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Cisco ASA/Firepower/FTD/FMC administration, Palo Alto NGFW/Panorama/GlobalProtect administration, RSA SecurID/MFA operations, TCP/IP/DNS/routing troubleshooting, firewall rule management, VPN configuration, packet capture analysis, change management, incident response, SIEM integration, compliance documentation
Preferred skills
Cloud security (AWS/Azure), SD-WAN/SASE awareness, vulnerability management, public trust background investigation eligibility
Technologies
Cisco ASA, Firepower, FTD, FMC, AnyConnect, Palo Alto NGFW, Panorama, GlobalProtect, RSA SecurID, Cloudflare, Cisco ISE, F5
Responsibilities
Administer and troubleshoot enterprise firewalls, VPNs, and MFA platforms in production; resolve tickets and alerts; maintain documentation, runbooks, and SOPs; support incident response and vulnerability remediation; coordinate with SOC/NOC and governance teams
Seniority
Senior, hands-on IC