Senior Network Engineer; Firewall

Position: Senior Network Engineer (Firewall)
Job Title:

Senior Network Engineer (Firewall)
Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start:
Secret Employee Type:
Regular Percentage of

Travel Required:

Up to 10%
Type of Travel:
Local*
*
* The Opportunity:

CACI is seeking a Senior Network Engineer (Firewall) for the Global Mission Operations Support (GMOS) contract, supporting the Department of State.

This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.

Responsibilities:

Lead implementation and management of micro-segmentation platforms, web application firewalls and Next-Generation Firewalls (NGFWs) across 350+ global facilities supporting mission-critical diplomatic operations

Lead troubleshooting of complex firewall issues, coordinating with DT teams and facilitating secure connectivity with Government agencies and partner organizations

Lead design, creation, implementation, and troubleshooting of Firewall Rules for networking devices and application communications, ensuring security while enabling business operations

Design and implement comprehensive high-availability solutions including load balancing, denial of service detection and remediation leveraging modern network security technologies

Lead coordination with DT Firewall Advisory Board for rule submissions, ensuring compliance with Department of State firewall policies and security standards

Lead network component tuning activities to maintain optimum performance and security posture in accordance with change management procedures and best practices

Develop comprehensive firewall standards, procedures manuals, and performance management procedures meeting DT/EA/CST requirements and federal compliance frameworks

Conduct firewall security assessments, vulnerability analysis, and threat modeling to proactively identify and mitigate potential security risks

Function as a technical expert across multiple project assignments, planning and leading major firewall infrastructure initiatives while mentoring team members and supervising network security operations

Qualifications:

Required –Bachelor's degree + 8 years of experience in related fields, such as network engineering, network security, firewall administration, cybersecurity, or infrastructure engineering; equivalencies considered.

Active Secret Clearance Proven experience implementing and managing Next-Generation Firewalls (NGFWs), web application firewalls, and enterprise firewall architectures for large-scale environments

Demonstrated expertise in firewall rule design, high-availability configurations, load balancing, and denial of service (DoS) mitigation strategies

Excellent leadership abilities with proven experience planning and leading firewall infrastructure projects, functioning as a subject matter expert, and supervising network security teams

Desired –Prior experience supporting federal agencies, especially the Department of State Professional certifications such as Palo Alto Networks Certified Network Security Engineer (PCNSE), Cisco CCNP Security, F5 Certified Technology Specialist (F5-CTS), or CISSPKnowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities

Demonstrated experience building and managing micro-segmentation platforms such as Illumio and VMware NSX-TExperience…