Network Engineer (Enterprise Firewall Architect)

Clearance Requirement: TS/SCI with Polygraph

We are seeking a skilled Network Engineer with deep expertise in enterprise firewall architecture, design, and operations to join our technology-based program supporting a key government customer. The ideal candidate brings a proven track record of securing large-scale network environments using Cisco, Palo Alto, and Juniper platforms, combined with the technical depth to translate complex security requirements into resilient network solutions.

Key Responsibilities

• Design, implement, and manage enterprise firewall solutions utilizing Cisco, Palo Alto, and Juniper network devices and associated management software
• Perform configuration, maintenance, and troubleshooting of firewall policies, rules, and access control lists across multi-vendor environments
• Monitor network traffic for potential security threats and proactively identify and remediate vulnerabilities
• Collaborate with cross-functional teams to ensure network security standards align with mission and business objectives
• Translate customer requirements into scalable enterprise network security solutions
• Develop and maintain technical documentation, including designs, implementation plans, and operational runbooks
• Stay current with industry trends and best practices in network security, firewall technologies, and threat intelligence
• Provide technical guidance and mentorship to junior network engineers

Minimum Qualifications

• Bachelor's or Master's degree in a relevant technical discipline preferred
• Minimum 11 years of hands-on network engineering experience with a strong focus on firewall technologies
• Demonstrated proficiency with Cisco and Palo Alto firewall platforms (Cisco FTD, Palo Alto Panorama)
• In-depth knowledge of network protocols, TCP/IP stack, and OSI model
• Strong understanding of network security principles, segmentation, and zero-trust architectures
• Ability to work independently and collaboratively in a mission-driven, fast-paced environment
• Excellent written and verbal communication skills

Preferred Qualifications

• Experience with Juniper firewall platforms and SRX series devices
• Cloud Service Provider and hybrid cloud experience (AWS, Azure, Oracle, Google Cloud)
• Experience with a wide variety of network technologies and solution architectures
• Broad knowledge of state-of-the-art systems engineering principles and network design concepts
• Industry certifications: CCNA Security, CCNP Security, Palo Alto PCNSE, or equivalent

Tools & Technologies

• Firewalls: Cisco FTD, Cisco ASA, Palo Alto (Panorama), Juniper SRX
• Protocols: BGP, OSPF, EIGRP, ISIS, TCP/IP, TLS/SSL
• Cloud: AWS, Azure, Oracle Cloud, Google Cloud (hybrid extension)
• Management: Cisco Security Manager, Panorama, Junos Space
• Methodologies: Zero Trust, defense-in-depth, network segmentation

Why Join Us?

• Support critical national security infrastructure with direct mission impact
• Work alongside top-tier network engineering talent in a collaborative, expert-level environment
• Opportunities for career growth, advanced certifications, and continued professional development
• Competitive compensation and a comprehensive benefits package