Zero Trust Security Engineer – Firewall & IAM Liaison

System One, Inc.; Vienna (VA); Hybrid; USD 90,000 - 103,000; Full time

Benefits offered by this job

Health benefits

401(k) plan

Job summary

System One, Inc. is seeking a contract Zero Trust Security Engineer in Vienna, VA. The role focuses on translating Zero Trust analysis into firewall rule requests and coordinating with IAM, firewall engineering, and application teams.

You will submit detailed requests, track progress, and perform post-implementation testing to ensure proper access control and policy alignment with Zero Trust requirements, while maintaining thorough documentation for audits.

Qualifications

• Hands-on experience with enterprise firewalls (Palo Alto preferred).
• Strong understanding of user-based firewall policies and application-aware policies.
• Experience submitting and managing firewall rule requests in large environments.
• Ability to validate security rule implementations and troubleshoot access issues.
• Excellent coordination and communication across technical teams.

Responsibilities

• Translate Zero Trust analysis outputs into formal firewall and security rule requests.
• Submit detailed implementation requests to firewall teams with identities, destinations, addresses, services, ports, protocols, and app IDs.
• Ensure requests meet firewall standards and include required technical details.
• Act as liaison between Zero Trust, IAM, firewall engineering, and application teams.
• Track firewall requests from submission to completion.
• Resolve questions or discrepancies with firewall engineers.
• Validate that implemented rules match Zero Trust requirements.
• Perform post-implementation testing to confirm authorized access and blocked unauthorized access.
• Identify and remediate misconfigurations or policy drift.
• Ensure all rules are tagged, documented, and traceable to requirements.
• Maintain implementation records for audit and compliance.
• Support refinement of Zero Trust rules as access requirements evolve.

Skills

Enterprise firewall management

User-based firewall policies

Application aware firewall policies

Firewall rule requests

Troubleshooting access issues

Cross-team coordination

Job description

System One, Inc. is seeking a contract Zero Trust Security Engineer in Vienna, VA. The role focuses on translating Zero Trust analysis into firewall rule requests and coordinating with IAM, firewall engineering, and application teams.

You will submit detailed requests, track progress, and perform post-implementation testing to ensure proper access control and policy alignment with Zero Trust requirements, while maintaining thorough documentation for audits.