Network Engineer; Zscaler Security Clearance

Position: Network Engineer (Zscaler) with Security Clearance
Zachary Piper Solutions is seeking a Network Engineer to support a hybrid enterprise environment for a large organization. The Network Engineer will design, secure, and maintain critical network infrastructure with a focus on firewall management, secure access technologies, and modern zero-trust principles. This position will be onsite in Rockville, MD! Responsibilities of the Network Engineer include:
• Configure, manage, and optimize Palo Alto Networks firewalls and Panorama
• Support and administer Zscaler platforms (ZIA and/or ZPA) for secure cloud access
• Maintain and troubleshoot Cisco networking and security infrastructure
• Manage core networking services including TCP/IP, DNS, DHCP, NAT, and routing protocols (BGP, OSPF)
• Troubleshoot SSL/TLS, PKI, and traffic decryption issues
• Support hybrid enterprise environments with a focus on security and availability
• Assist with network modernization initiatives and zero trust deployments
• Work cross-functionally with security, cloud, and operations teams to troubleshoot complex issues
• Ensure network configurations follow compliance, security, and governance standards
• Provide documentation, diagrams, and operational guidance as needed

Required Qualifications for the Network Engineer:
• 5+ years of experience in network security or infrastructure engineering
• Hands-on experience with Palo Alto firewalls and Panorama
• Strong experience with Zscaler ZIA and/or ZPA
• Experience supporting Cisco networking/security platforms
• Solid understanding of TCP/IP, DNS, DHCP, NAT, BGP, OSPF
• Knowledge of SSL/TLS, PKI, and decryption technologies
• Experience supporting hybrid enterprise or regulated environments
• Eligible for and willing to obtain a Public Trust clearance Preferred

Skills:

• Certifications such as PCNSE/PCNSA, Zscaler ZCCA-IA or ZCCA-PA, Cisco CCNP, or Security+
• Experience with Zero Trust architecture
• Cloud networking/security experience (Azure or AWS)
• Familiarity with automation tools such as Ansible, Terraform, or APIs
• Experience with SIEM tools (Splunk or similar) Compensation for the Network Engineer includes: • $110,000 - $130,000
• Full Benefits:
Medical, Dental, Vision, 401k, Paid Time Off, and Federal Holidays This job opens for applications on 1/21/2026. Applications will be accepted for at least 30 days from the posting date. Keywords: #LI-MM1 #LI-ONSITE Network Engineer, Palo Alto, Panorama, Zscaler, ZIA, ZPA, Cisco Networking, Zero Trust, Public Trust, BGP, OSPF, PKI, Terraform, Ansible, Splunk, Cloud Security, Rockville MD