Senior Cybersecurity Engineer: Zero Trust & Network Automation

General Dynamics IT; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking a Senior Cybersecurity Engineer to design, implement, operate, and modernize enterprise cybersecurity platforms for a large federal environment.

You will provide senior-level expertise across Zero Trust and security engineering disciplines. The role emphasizes hands-on firewall engineering, policy management, and security-platform integration with SIEM/XDR, cloud, and ITSM ecosystems.

Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, IT, Engineering, or related STEM.
• 10+ years of relevant experience in enterprise security.
• Hands-on experience engineering and troubleshooting enterprise next‑generation firewalls.
• Strong firewall policy lifecycle management and change control.

Responsibilities

• Provide hands-on engineering for next-generation firewalls, secure remote access, segmentation, and related network-security services.
• Engineer, administer, troubleshoot, optimize, and sustain enterprise firewall technologies (Palo Alto Networks NGFW, PAN-OS, Panorama, Prisma Access).
• Manage the firewall policy lifecycle, including rules, NAT, security profiles, recertification, cyber hygiene, optimization, and removal of obsolete policies.
• Lead firewall and security-platform changes, including impact analysis, testing, change control, rollback, validation, and documentation.
• Support Zero Trust and SASE capabilities including ZTNA, Secure Web Gateway, Firewall-as-a-Service, secure remote access, segmentation, device posture, and policy enforcement.
• Troubleshoot complex issues involving routing, NAT, VPN, DNS, authentication, PKI/certificates, TLS/SSL inspection, logging, performance, and high availability.
• Support platform deployments, upgrades, patching, hardening, configuration management, vendor escalation, and platform-specific vulnerability remediation.
• Engineer and support SOAR, security automation, workflow orchestration, and API-based integrations.
• Develop automation for alert enrichment, IOC analysis/blocking, incident triage, ticket creation, containment, remediation, policy changes, and reporting using REST APIs, Python, or comparable technologies.
• Integrate security capabilities and telemetry across SIEM/XDR, endpoint, identity, ITSM, vulnerability management, DLP, NAC, threat intelligence, cloud, and enterprise logging/data platforms.

Skills

Firewall engineering

Zero Trust

SOAR integration

Python scripting

REST API

Education

Bachelor's degree in Computer Science / Cybersecurity / IT / Engineering

Tools

Palo Alto Networks

PAN-OS

Prisma Access

Strata Cloud

Panorama

Job description

General Dynamics Information Technology, Inc. is seeking a Senior Cybersecurity Engineer to design, implement, operate, and modernize enterprise cybersecurity platforms for a large federal environment.

You will provide senior-level expertise across Zero Trust and security engineering disciplines. The role emphasizes hands-on firewall engineering, policy management, and security-platform integration with SIEM/XDR, cloud, and ITSM ecosystems.