Lead Firewall Engineer

SITEC Consulting • West Springfield, VA

1d

About The Position

Lead an enterprise boundary security team responsible for firewall operations, engineering, compliance, and modernization. You will provide technical direction, oversee complex troubleshooting, and support secure, reliable network performance.

Requirements

• Active TS/SCI clearance with the ability to obtain and maintain a CI polygraph.
• At least eight years of network security experience, including five years supporting large enterprise networks.
• Experience leading a firewall or boundary security team.
• Advanced experience with Palo Alto, Juniper SRX, and F5 platforms.
• Strong knowledge of firewall policy, TLS/SSL, PKI, Kerberos, LDAP, Active Directory, SAML, OAuth, and network architecture.
• Experience with network design, implementation, cost estimates, and labor estimates.
• Current DoD 8140/8570 IAT Level II certification.
• Ability to obtain CSSP Infrastructure Support certification within 120 days.

Nice To Haves

• Bachelor's or master's degree in computer science, cybersecurity, network security, or a related field.
• F5, Juniper, or Palo Alto professional certification.

Responsibilities

• Lead daily firewall operations, maintenance, troubleshooting, and project execution.
• Design and implement solutions using Palo Alto, Juniper SRX, and F5 technologies.
• Review network changes and assess operational and security impacts.
• Maintain secure configuration baselines, architecture diagrams, inventories, procedures, and technical documentation.
• Monitor performance, logs, software versions, and configuration drift.
• Lead compliance reviews, technical evaluations, and modernization efforts.
• Brief stakeholders and mentor engineering personnel.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior