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Palo Alto Subject Matter Expert Springfield, VA,

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: CACI International Inc.
Full Time position
Listed on 2026-07-08
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Systems Engineer
Salary/Wage Range or Industry Benchmark: 75200 - 158100 USD Yearly USD 75200.00 158100.00 YEAR
Job Description & How to Apply Below
Position: Palo Alto Subject Matter Expert Springfield, VA, US + 1 more
## Palo Alto Subject Matter Expert Springfield, VA, USApply Now Find out how well you match with this jobJob ID328565

Job Title:

Palo Alto Subject Matter Expert Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI Employee Type:
Regular Percentage of

Travel Required:

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

** The Opportunity As a Palo Alto Subject Matter Expert (SME) on the Network Security Services (NSS) team, you will be the focal point for all Palo Alto-related tasks, operations, and projects. You will work with both corporate and customer leadership to research, analyze, and implement enterprise-wide network security solutions that bridge legacy and next-generation architectures. This role requires a unique blend of deep, hands-on expertise with traditional Gen 2/Gen 3 hardware platforms and modern, cloud-native solutions like Prisma Access (SASE) and Cortex XSOAR.

You will provide critical technical oversight, ensuring the stability, security, and modernization of our firewall infrastructure.

** Responsibilities:
*** Lead the design, analysis, testing, and implementation of state-of-the-art secure network architectures centered on the Palo Alto Networks ecosystem.
* Serve as the lead technical authority for administering, configuring, and troubleshooting Palo Alto Networks Next-Generation Firewalls (NGFWs) across a hybrid enterprise environment.
* Manage the full lifecycle of Palo Alto hardware and software, including executing complex hardware refreshes and PAN-OS upgrades, especially on legacy platforms.
* Develop, oversee, and maintain configuration management processes and Standard Operating Procedures (SOPs) for all Palo Alto security platforms.
* Utilize Panorama for centralized policy management, ensuring consistent and efficient configuration across a diverse fleet of physical and virtual firewalls.
* Configure and maintain master-level security profiles, including App-, User-, Content-, SSL Decryption, and Wild Fire threat prevention.
* Oversee the reporting, documentation, and investigation of security-related incidents, and lead the development of corrective measures.
* Act as a liaison to contract/customer management and the government Designated Approving Authority (DAA) regarding network security status, policies, and procedures.
* Evaluate and report on new and emerging network security technologies to enhance the capabilities, performance, and reliability of the network.
• Provide mentorship and technical oversight to junior engineers, and act as an escalation point for complex troubleshooting efforts.  
*
* Qualifications:

*
* **
* Required:

**** Security Clearance:
Must possess an active TS/SCI clearance and be able to successfully pass/maintain a U.S. Government Polygraph.
* A minimum of 7+ years of hands-on experience administering, configuring, and troubleshooting Palo Alto Networks NGFWs in large-scale enterprise/global environments.
* Must hold an active Palo Alto Networks Certified Network Security Engineer (PCNSE) certification. Must be DoD 8140.01 and DoD 8570.01-M IAT Level II compliant (e.g., Security+ CE).
* Must be able to successfully obtain/maintain a CSSP Infrastructure Support certification within 120 days of the start date.
* Deep, practical knowledge of legacy Gen 2/Gen 3 hardware (e.g., PA-3000, PA-5000 series), including legacy CLI, physical hardware troubleshooting, and line-card replacements.
* Next-Gen & Cloud Security:
Direct experience deploying and managing modern PAN-OS architectures, including Prisma Access (SASE), Prisma SD-WAN, and virtual firewalls (VM-Series) in public/private cloud environments (AWS, Azure, or GCP).
* Proven expertise utilizing Panorama for centralized policy management, template/device group inheritance, and pushing configurations across a hybrid fleet.
* Network Foundations:
Advanced understanding of core networking protocols critical to firewall routing and legacy-to-modern transitions, specifically BGP, OSPF, IPSec VPNs, and NAT.
* Bachelor’s degree in a related field (e.g., IT, Cybersecurity, Computer Science). Additional years of relevant experience may be considered in lieu of a degree.
*** Desired:
**** Advanced

Certifications:

Active Palo Alto Networks Certified Network Security Consultant (PCNSC) or Prisma Certified SASE Professional (PCSAE).
* Automation & Scripting:
Proficiency in Python and experience automating firewall deployment, policy changes, and configuration backups using Ansible, Terraform, or Palo Alto XML/REST APIs.
* Security Orchestration:
Hands-on experience with Cortex XDR or Cortex XSOAR for automated threat response.
* Migration Tools:
Proficiency using Palo Alto Networks Expedition to migrate and consolidate legacy rules to modern App--based policies.
* Enterprise Architecture:
Background in designing Zero Trust Network Access (ZTNA) architectures across complex, segment-isolated enterprise environments.
* Broader

Experience:

Experience with other security platforms and…
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