Senior Network Security Engineer - Hands-on with NAC & NGFW

Quantum Technologies. LLC; Foster City (CA); On-site; USD 120,000 - 170,000; Full time

Job summary

Zoox in Foster City, CA seeks a hands-on Network Security Engineer contractor to administer next-gen firewall/UTM platforms, tune Layer-7 policies, and support VPN access. You will maintain runbooks and diagrams while driving project work with clear acceptance criteria.

The role requires 5+ years in security engineering and IT administration, with strong OSI and Layer-7 protection experience. Collaboration across Security, IT, Product, and Operations is essential.

Qualifications

• 5+ years of network security engineering in production environments.
• 5+ years of IT systems or application engineering and administration.
• Experience with 802.1X wired and wireless NAC.
• Proficient in OSI model layers and Layer-7 protection techniques.

Responsibilities

• Administer next-gen firewall/UTM platforms and perform policy changes.
• Tune URL filtering and Layer-7 inspection policies.
• Tune IDS/IPS and escalate detections to security operations.
• Support remote access VPN and troubleshoot client issues.
• Maintain runbooks, network diagrams, and configuration docs.
• Deliver scoped project work with defined SOWs and acceptance criteria.

Skills

5+ years network security engineering

5+ years IT systems administration

OSI model knowledge

Layer-7 protection techniques

VPN administration

Change management

Cross-functional communication

Tools

NGFW/UTM platforms

802.1X NAC

TLS inspection

Job description

Zoox in Foster City, CA seeks a hands-on Network Security Engineer contractor to administer next-gen firewall/UTM platforms, tune Layer-7 policies, and support VPN access. You will maintain runbooks and diagrams while driving project work with clear acceptance criteria.

The role requires 5+ years in security engineering and IT administration, with strong OSI and Layer-7 protection experience. Collaboration across Security, IT, Product, and Operations is essential.