Onsite Firewall Systems Administrator – Zero Trust & Cloud

Piper Companies; San Diego (CA); On-site; USD 130,000 - 140,000; Full time

Benefits offered by this job

Medical, Dental, Vision Insurance

401(k)

Paid Time Off (PTO)

Sick Leave

Job summary

Zachary Piper Solutions seeks a Systems Administrator - Firewalls for a US Navy IT Services contract in San Diego, CA. This full-time, 100% onsite role focuses on securing enterprise network infrastructure, cloud connectivity, and Zero Trust modernization across mission-critical environments.

You will manage NGFWs, VPNs, and security platforms, while implementing STIGs and DoD directives. Strong documentation and cross-team collaboration are essential for success.

Qualifications

• Bachelor's degree or equivalent professional experience in a technical field.
• 7+ years of professional systems engineering/administration experience.
• IAT Level II Certification (Security+ or equivalent).
• Active Secret Clearance.
• Strong experience with enterprise firewalls, IPS, and VPN technologies.
• Deep understanding of network segmentation, VLANs, and firewall policy management.
• Experience implementing STIGs, IAVMs, and CTO requirements.
• Hands-on experience with Palo Alto NGFWs, Panorama, and Pan-OS.
• Experience with Splunk/Elastic for log aggregation and monitoring.
• Understanding of AWS/Azure networking and secure connectivity.
• Experience with ZTNA initiatives and Zero Trust migrations.
• Excellent troubleshooting, communication, and documentation skills.

Responsibilities

• Manage, configure, deploy, and audit perimeter security devices across on-prem and cloud environments.
• Recommend and implement network security improvements and architecture enhancements.
• Design and maintain network segmentation strategies using VLANs and security policies.
• Apply STIGs, IAVMs, CTO directives and DoD cybersecurity requirements.
• Configure NGFW technologies including Palo Alto Panorama and Pan-OS.
• Coordinate with NIWC Pacific on device configurations and security standards.
• Support log aggregation, monitoring, and analysis using Splunk and Elastic.
• Troubleshoot VPN connectivity and firewall port exceptions.
• Implement and support secure AWS and Azure connectivity.
• Research, deploy Zero Trust Network Access technologies.
• Lead migration toward Zero Trust architectures.
• Maintain technical documentation and baselines.
• Collaborate with cross-functional teams for secure network operations.

Skills

Firewall management

NGFW expertise

ZTNA initiatives

Cloud networking (AWS/Azure)

Security policy management

VPN & remote access

Troubleshooting & documentation

Education

Bachelor's degree in Engineering/IT/CS

Tools

Palo Alto Panorama

Pan-OS

Splunk

Elastic

GlobalProtect

AWS

Azure

Job description

Zachary Piper Solutions seeks a Systems Administrator - Firewalls for a US Navy IT Services contract in San Diego, CA. This full-time, 100% onsite role focuses on securing enterprise network infrastructure, cloud connectivity, and Zero Trust modernization across mission-critical environments.

You will manage NGFWs, VPNs, and security platforms, while implementing STIGs and DoD directives. Strong documentation and cross-team collaboration are essential for success.