Lead Firewall Engineer
SITEC Consulting, LLC. · Springfield, VA · 1 mo ago
Information TechnologyFull-time
Clearance: Active TS/SCI. Experience: 8+ years.
Lead an enterprise boundary security team responsible for firewall operations, engineering, compliance, and modernization. Provide technical direction, oversee complex troubleshooting, and support secure, reliable network performance.
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.
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.
- Availability for occasional evening or weekend work.
Preferred Qualifications
- Bachelor's or master's degree in computer science, cybersecurity, network security, or a related field.
- F5, Juniper, or Palo Alto professional certification.