Zero Trust Security Engineer

Job Title: Zero Trust Security Engineer



Location: Vienna, VA



Type: Contract



Compensation: 65-75/hr W2



Work Model: Hybrid – onsite and remote

Responsibilities
• 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.
• 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 exactly match approved Zero Trust requirements.
• Perform post-implementation testing to confirm authorized access works as expected and unauthorized access is blocked.
• Identify and remediate misconfigurations, partial implementations, or policy drift.
• 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.

Requirements
• 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.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #851-Rockville-S1