SITEC Consulting, LLC.

Lead Firewall Engineer

SITEC Consulting, LLC.  •  $100k - $130k/yr  •  Springfield, MO (Onsite)  •  16 hours ago
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Job Description

Lead Firewall Engineer

Clearance: Active TS/SCI

Experience: 8+ years

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.

What You Will Do

  • 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 You Bring

  • 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.
SITEC Consulting, LLC.

About SITEC Consulting, LLC.

SITEC is an employee and customer-focused information technology and professional services firm that specializes in the support of design, development, testing and delivering state-of-the-art technology solutions, system engineering, and management consulting services.

Why SITEC?

Our company values, objectives and philosophy are a direct reflection of the kind of business culture we want to inspire. We believe our employees are our most important resource and we are driven to deliver superior technical solutions that meet the needs of our customers. At SITEC, we value integrity, collaboration, respect, mentorship, excellence, and high standards. We focus on providing opportunities for our employees and building trusted partnerships with our customers. Simply put: we strive to be the best. And we’re looking to add others who share this passion to our team !! Our recruiting radar is always on: seeking the next superstar from every discipline. It takes drive, creativity, and a passion to solve tough challenges – and we mean tough. The success of SITEC is determined by our unwavering commitment to our employees, our ability to operate as a unified team, and our commitment to satisfy the customer need.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
Annapolis Junction, MD
Year Founded
2007
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