> Markdown version of [/jobs/ext/3695701-ttg-294-firewall-network-security-engineer-297-800-total](https://www.wearedevelopers.com/jobs/ext/3695701-ttg-294-firewall-network-security-engineer-297-800-total). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # TTG-294 - Firewall & Network Security Engineer - $297,800 Total - **Company:** TTG Solutions Inc. - **Location:** Herndon, VA, United States - **Salary:** $297,800.0 - **Contract:** Permanent contract - **Skills:** System Configuration, OSI Models, Network Security, Network Monitoring, Network Protocols, Cloud Services, Firewall Policy Management, TCP/IP, Computer Network Technologies, HybridCloud, Firewalls (Computer Science), Cisco Firewalls, Palo Alto Networks, Firewall Services Module, Cisco, Citrix Netscaler - **Published:** October 12, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8961459/ttg-294-firewall-network-security-engineer-297800-total ## About the Role TTG Solutions is seeking a dedicated and experienced Network Engineer with a specialization in firewall technologies, particularly in CISCO, Palo Alto, and Netscaler devices. This role is integral to supporting a key government program by ensuring optimal network security and infrastructure management. The Network Engineer will design, implement, and manage firewall solutions using Cisco, Palo Alto, and Netscaler devices. Responsibilities include configuring, maintaining, and troubleshooting firewall policies and rules, and monitoring network traffic to identify and mitigate security threats. The role requires collaboration with cross-functional teams to align security standards with business goals, staying current with industry trends in network security, and translating customer requirements into network solutions. The candidate must possess strong problem-solving skills and the ability to work independently and collaboratively in a fast-paced environment. Expert Generally requires eleven (11) years of experience specific to the skill and relevant training or certifications Requirements: 11 yrs - 15 yrs 11 mos * Minimum of 11 years' experience as a Network Engineer * Design, implementation, and management of firewall solutions using Cisco, Palo Alto, and Netscaler * Configuration and maintenance of firewall policies * Experience in monitoring and addressing network security threats * Ability to translate customer requirements into enterprise network solutions * Excellent communication and interpersonal skills * Proficiency with Palo Alto and CISCO firewall platforms * In-depth knowledge of network protocols, TCP/IP stack, and OSI model * Experience with firewall management software such as Cisco FTD and Palo Alto Panorama * Understanding of network technologies and solutions architectures * Cloud Service Provider and hybrid cloud experience * Industry certifications like CCNA Security, CCNP Security, or PCNSE This position requires an active TS/SCI clearance with Polygraph. Total compensation is the total combination of salary, benefits, retirement, bonuses, etc... and it is calculated using the following formula