[Hiring] Senior Network Security Engineer @Govcio LLC

Role Description

GovCIO is seeking a highly experienced Senior Network & Security Engineer to lead the design, operation, troubleshooting, and continuous improvement of enterprise network-security infrastructure. This role is responsible for:

• Palo Alto Networks next-generation firewalls
• Panorama
• High Availability
• Cisco switching
• Network segmentation
• Cortex XSIAM
• Strata Logging Service

The Senior Engineer will serve as a technical escalation point for complex network and security incidents, lead architecture and implementation initiatives, establish standards, and partner with SOC, infrastructure, cloud, application, and leadership teams to reduce risk and maintain highly available services. This position will be located within the United States and will be a fully remote opportunity.

Qualifications

• Bachelor’s degree with 8+ years (or commensurate experience)
• 7+ years of progressive experience in network engineering, network security, firewall administration, or security infrastructure operations
• 5+ years of hands-on Palo Alto Networks firewall experience in a production enterprise environment
• Advanced operational experience with Palo Alto Panorama
• Strong hands-on experience designing, maintaining, and troubleshooting Palo Alto High Availability environments
• Advanced understanding of HA1, HA2, HA3, configuration synchronization, session synchronization, failover behavior, link monitoring, path monitoring, peer health, and recovery processes
• Strong expertise in TCP/IP, IPv4/IPv6, DNS, DHCP, ARP, routing, NAT, VPNs, and packet-level troubleshooting
• Demonstrated ability to investigate TCP handshakes, resets, retransmissions, MTU/MSS issues, asymmetric routing, connection timeouts, and firewall session behavior
• Extensive experience with Cisco Catalyst and/or Nexus switching technologies
• Strong knowledge of enterprise switching and routing
• Proven experience designing or implementing network segmentation and microsegmentation solutions
• Working knowledge of Cortex XSIAM, Strata Logging Service, security-event correlation, alert investigation, XQL Search, and firewall log ingestion
• Ability to lead technical design discussions and independently manage complex workstreams
• Strong documentation, change-management, incident-management, and root-cause-analysis skills
• Clearance Required: Must be able to attain and maintain AOUSC Public Trust

Requirements

• Lead the design, deployment, administration, and lifecycle management of Palo Alto Networks NGFW environments running PAN-OS
• Own centralized firewall management through Palo Alto Panorama
• Design and govern security policies using zero-trust, least-privilege, application-aware, and risk-based principles
• Configure and troubleshoot security zones, NAT, virtual routers, static and dynamic routing, IPsec VPN, GlobalProtect, decryption, URL Filtering, Threat Prevention, WildFire, DNS Security, and App-ID policies
• Lead enterprise network-segmentation and microsegmentation initiatives
• Develop secure controls for traffic between users, servers, applications, management networks, guest networks, IoT/OT devices, data-center workloads, and cloud resources
• Architect, configure, test, and troubleshoot Palo Alto High Availability deployments
• Resolve complex HA failures
• Plan and execute HA failover testing, PAN-OS upgrades, disaster-recovery exercises, and maintenance procedures
• Troubleshoot HA infrastructure dependencies
• Lead the configuration, support, and troubleshooting of Cisco Catalyst and Nexus switching environments
• Diagnoses complex connectivity and performance issues
• Analyze TCP/IP behavior
• Verify packet flow across firewall policy, App-ID, routing, NAT, decryption, threat prevention, VPN, switching, and server/application layers
• Monitor firewall management-plane and dataplane health
• Integrate Palo Alto NGFWs and Panorama with Strata Logging Service and Cortex XSIAM
• Ensure reliable firewall log forwarding and data normalization
• Use Cortex XSIAM and XQL Search to investigate security events
• Partner with SOC teams to tune detections and investigate alerts
• Lead root-cause analyses for major network or security incidents
• Develop and maintain network diagrams, firewall-policy documentation, and operational procedures
• Mentor junior engineers and provide technical leadership

Benefits

• Competitive salary
• Fully remote opportunity
• Comprehensive health benefits
• 401(k) plan with company match
• Professional development opportunities

Company Description

GovCIO is a leading provider of technology solutions and services to government agencies. We are committed to delivering innovative and effective solutions that meet the unique needs of our clients.