CareerPlan

Senior Network Security Engineer

United States, Washington, RedmondFull-time2026-10-13 → 2026-11-10

Core

Proactively identify and investigate security issues, implement automation for network security controls, and lead postmortems to improve defenses.

Role type

Senior IC network security engineer (infrastructure & automation)

Builds

Next-generation firewalls, IDS/IPS, network segmentation, VPN, ZTNA, DDoS protection, and TLS inspection

Domain

Cyber security / Network security

Required skills

Network security, Firewalls, IDS, IPS, IPSEC, DNS, DHCP, Automation, Infrastructure-as-Code, Policy automation, Threat modeling, Security incident response, SOC detection, SIEM, Anomaly detection

Preferred skills

Industrial control systems experience

Technologies

Palo Alto Networks, Fortinet, Azure Firewall, Terraform, Azure Policy, CISSP, CISA, CISM, SANS, GCIA, GCIH, OSCP, PCCSE, PCNSE, PCSAE, CCNP Security, CCIE Security, Security+

Responsibilities

Install, upgrade, and maintain security hardware, operating systems, and software; Drive the design, deployment, and automation of network security controls at scale; Investigate and resolve network-security incidents; Lead postmortems to convert findings into engineering improvements; Participate in on-call rotation; Analyze attempted or successful security compromises and create detection rules based on IOCs and TTPs.

Seniority

Senior, hands-on IC