Lead Firewall Engineer

CACI International • Arnold, MO, United States • Posted June 08, 2026

Location Arnold, MO
Job Type Full-time
Category other-general
Posted June 08, 2026
Job Title: Lead Firewall Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 25%

Type of Travel: Continental US

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**The Opportunity:**
**TCS is looking for a Lead Firewall Engineer to oversee the NSS Boundary Team. This role will report directly to the Branch Chief of Cyber Technology Services. This position is responsible for maintaining compliance with quality assurance standards and ensuring service level agreements are met or exceeded within this service area.**

**Experience in reviewing, validating, and implementing requirements within enterprise Change Requests (CRQs) and determining impacts to network and cyber operations across the enterprise. This role is also responsible for providing technical oversight of troubleshooting efforts and solutions development executed by the ...

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