Identity Security Architect

Location: Mostly remote work with periodic on-site support in Austin TX Tier 3 Network Security Engineer, Cisco Secure Firepower (Contractor) On-Site Support Examples include, but not limited to: Layer 1 / physical support activities Direct access during major or high-risk network changes Critical troubleshooting events requiring hands-on presence, We are seeking a highly skilled, Tier 3, Network Security Engineer with deep expertise in Cisco Secure Firepower Firewalls to support an enterprise-scale Managed Network Services environment for a State Government Agency. Experience with Cisco Secure Firewall Management Center (FMC), strong VPN troubleshooting skills, and familiarity with large-scale enterprise or government environments are critical for success in this role. Experience with Cisco Catalyst SD-WAN is highly beneficial. Key Responsibilities

• Serve as a Tier 3 escalation point for complex firewall and network security issues
• Provide advanced troubleshooting and root cause analysis for Cisco Secure Firepower Firewall incidents
• Perform day-to-day firewall operational support using Cisco Secure Firewall Management Center (FMC), including but not limited to: Creating and maintaining operational and compliance reports, Monitoring firewall health and system performance, Analyzing traffic flows and connection behavior, Supporting routing protocols within secured environments
• Troubleshoot and support VPN technologies, including site-to-site and remote access VPNs
• Analyze, implement, and optimize firewall access control and security policies
• Participate in formal change management processes, including documentation, peer review, approvals, and scheduled implementations
• Execute approved changes during after-hours change windows, as required
• Participate in a team-based on-call rotation to support after-hours and emergency incidents
• Collaborate with engineering teams and operational stakeholders to meet Managed Network Services obligations, * Mostly remote work with periodic on-site support in the Austin, TX area
• Availability for after-hours maintenance and change windows
• Participation in an on-call rotation
• Adherence to formal operational, security, and change control processes
• Professional conduct appropriate for a government-supported enterprise environment

For applications and inquiries, contact:hirings@openkyber.com

• Strong hands-on experience with Cisco Secure Firepower Firewalls
• Advanced troubleshooting experience, including but not limited to: Snort 3 (IPS and File Policies), Traffic flow analysis and packet inspection, NAT / PAT configuration and troubleshooting, Security Intelligence policies, Access control rule analysis, OSI Layers 1 - 7, with particular emphasis on Layers 1 - 4
• Solid operational experience with Cisco Secure Firewall Management Center (FMC)
• Proven experience troubleshooting VPN technologies (Cisco AnyConnect)
• Strong understanding of routing concepts and protocols in secured network environments

Preferred / Beneficial Experience

• Experience with Cisco Catalyst SD-WAN
• Familiarity with ServiceNow or similar ITSM tools for incident and change management
• Experience creating, editing, and maintaining network topology diagrams
• Microsoft Visio experience preferred

Communication & Documentation

• Strong written and verbal communication skills
• Ability to clearly document technical findings, configurations, and change activities
• Ability to communicate effectively within structured, process-driven environments