Senior Network Security Engineer

Required Skills & Experience - Extensive customer-facing implementation experience with Cisco ISE, including 802.1X, MAB, Guest Portal, Active Directory/Azure AD integrations, and wired/wireless networks\n- Advanced experience implementing Palo Alto NGFW, including USER-ID, Cloud Identity Engine, GlobalProtect, security policies, NAT, routing, site-to-site VPNs, Panorama, and Strata Cloud Manager\n- Experience implementing Cisco Secure Firewall, including Secure Client, access policies, NAT, routing, VPNs, Firewall Management Center, and Secure Cloud Control\n- Experience implementing Palo Alto Secure Service Edge\n- Strong Cisco routing, switching, and SD-WAN experience\n- Experience implementing Palo Alto SD-WAN solutions\n- Active Palo Alto NGFW certification\n- Active CCNP Security certification\n- Previous consulting or professional services experience\n- Ability to lead customer conversations, workshops, assessments, and technical design sessions independently\n- Experience creating workflow diagrams, implementation plans, project estimates, Statements of Work, and technical documentation\n- Experience supporting NOC/Tier 1 teams as a senior escalation point\n- Strong Microsoft product and service experience\n- Excellent written and verbal English communication skills Nice to Have Skills & Experience - HPE Aruba ClearPass implementation experience, including 802.1X, MAB, Guest Portal, and directory integrations\n- Experience supporting large enterprise environments\n- Background in network segmentation and Zero Trust initiatives\n- Experience delivering remote consulting engagements\n- Located near Atlanta, Dallas, New York, or Chicago\n- Additional Cisco, Palo Alto, or network security certifications Job Description We are seeking a Senior Network Security Engineer with strong hands-on expertise in Cisco Identity Services Engine (ISE) and Palo Alto Networks security technologies. This is a highly client-facing engineering role supporting complex customer engagements where technical skill alone is not enough.\nThe successful candidate will be comfortable working directly with customers, translating technical issues into clear business language, navigating ambiguity, and building confidence with both technical and non-technical stakeholders. We are looking for an engineer who can take ownership of an engagement, communicate professionally, work collaboratively, and represent our organization exceptionally well with customers.\n\nDay-to-day:\n- Lead customer-facing network security projects from discovery and design through implementation and knowledge transfer\n- Configure, troubleshoot, and optimize Cisco ISE, Cisco Secure Firewall, Palo Alto NGFW/SSE, ClearPass, routing, switching, and SD-WAN solutions\n- Conduct customer assessments, workshops, design sessions, migrations, and production implementations\n- Create architecture diagrams, workflow documentation, implementation plans, project estimates, Statements of Work, and customer-facing materials\n- Manage project timelines, dependencies, risks, deliverables, and stakeholder communication\n- Translate complex technical issues into clear business language for technical and nontechnical audiences\n- Serve as an escalation point for NOC and Tier 1 teams\n- Collaborate with customer security, networking, identity, infrastructure, architecture, and operations teams\n- Maintain ownership during escalations and ensure customers remain informed and confident throughout the engagement Insight Global