Zero Trust Security Engineer

247Hire; Vienna (VA); On-site; USD 110,000 - 140,000; Full time

Job summary

247Hire is seeking a Firewall & Zero Trust Specialist to translate analysis into concrete firewall rules and manage end-to-end deployments. You will coordinate with IAM, firewall engineering, and application teams to ensure accurate rule requests and successful implementations.

You will validate outcomes with post-implementation testing, remediate drift, and maintain audit-ready records to support compliance and reporting.

Qualifications

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

Responsibilities

• Translate Zero Trust analysis outputs into formal firewall and security rule requests.
• Submit detailed implementation requests to firewall teams, including: source identities, destination applications, addresses, services, ports, protocols, and app IDs.
• Ensure requests meet firewall team standards and contain all required technical details.
• Act as the primary liaison between Zero Trust, IAM, firewall engineering, and application teams.
• Track firewall requests from submission through completion.
• Resolve implementation questions, clarifications, or discrepancies with firewall engineers.
• Validate that implemented firewall rules match approved Zero Trust requirements.
• Perform post-implementation testing to confirm authorized access and blocked unauthorized access.
• Identify and remediate misconfigurations, partial implementations, or policy drift.
• Maintain implementation records for audit, compliance, and reporting.
• Support ongoing refinement of Zero Trust rules as access requirements evolve.

Skills

Firewall administration

User/app aware policies

Firewall rule management

Validation & troubleshooting

Cross-team coordination

Tools

Palo Alto Firewall

Job description

Responsibilities

• Rule Implementation & Coordination
  
  
  
  • Translate Zero Trust analysis outputs into formal firewall and security rule requests.
  
  
  • Submit detailed implementation requests to firewall teams, including:
    
    
    
    • Source identities (users, groups, roles)
    
    
    • Destination applications, addresses, and services
    
    
    • Required ports, protocols, and application IDs
    
    
    
    
  
  
  • Ensure requests meet firewall team standards and contain all required technical details.
  
  
  
  


• Cross Team Execution
  
  
  
  • Act as the primary liaison between Zero Trust, IAM, firewall engineering, and application teams.
  
  
  • Track firewall requests from submission through completion.
  
  
  • Resolve implementation questions, clarifications, or discrepancies with firewall engineers.
  
  
  
  


• Validation & Verification
  
  
  
  • Validate that implemented firewall rules exactly match approved Zero Trust requirements.
  
  
  • Perform post implementation testing to confirm:
    
    
    
    • Authorized access works as expected
    
    
    • Unauthorized access is blocked
    
    
    
    
  
  
  • Identify and remediate misconfigurations, partial implementations, or policy drift.
  
  
  
  


• Audit & Lifecycle Management
  
  
  
  • Ensure all implemented rules are properly tagged, documented, and traceable to application and Zero Trust requirements.
  
  
  • Maintain implementation records for audit, compliance, and reporting.
  
  
  • Support ongoing refinement of Zero Trust rules as application access requirements evolve.
  
  
  
  

Required Qualifications

• Hands on experience working with enterprise firewalls (Palo Alto preferred).


• Strong understanding of user-based and application aware firewall policies.


• Experience submitting and managing firewall rule requests in enterprise environments.


• Ability to validate security rule implementations and troubleshoot access issues.


• Strong coordination and communication skills across technical teams.

Preferred Skills

• Experience implementing Zero Trust Network Access (ZTNA) solutions.


• Familiarity with IAM, Entra ID groups, AD groups, and RBAC models.


• Experience integrating firewall rules with application onboarding frameworks.


• Knowledge of audit, compliance, and security reporting requirements.