{"schemaVersion":"jobsearcher.job.v1","id":"6ae2e18d4df06056cd5c2cf6","url":"https://jobsearcher.com/jobs/6ae2e18d4df06056cd5c2cf6","canonicalUrl":"https://jobsearcher.com/jobs/6ae2e18d4df06056cd5c2cf6","title":"Network Security Engineer","description":"Network Security Engineer - Senior Cisco Identity Services Engine (ISE) EngineerLocation: Washington, DC (Onsite)Type: Full-TimeRequired Experience10–15 years of Network/Security Engineering experience.Strong hands-on experience with Cisco ISE 3.x in large enterprise environments.Experience with Cisco ISE upgrades, patching, troubleshooting, administration, and multi-node deployments.Strong knowledge of 802.1X, RADIUS, EAP/EAP-TLS, NAC, AAA, Authentication & Authorization Policies.Experience with Active Directory integration, Security Groups, and Identity Sources.Strong understanding of PKI and Certificate Management, including server certificates, CA chains, certificate renewals, thumbprints, and certificate-based authentication.Experience with Cisco ISE vulnerability remediation, security patching, and production support.Hands-on experience with packet captures, ISE logs, authentication troubleshooting, and root cause analysis.Experience integrating Cisco ISE with:Cisco CatalystMerakiFirewallsF5DNSSplunk/SIEM platformsServiceNow & Change ManagementExperience creating and managing ServiceNow Change Requests.Ability to write implementation, validation, rollback, and risk assessment plans.Experience executing:ISE upgrades and patchingCertificate renewalsDNS changesPolicy updatesSecurity group changesNew integrationsInfrastructure migrationsIncident & Support ExperienceStrong troubleshooting experience across: Endpoint → Switch/AP → ISE → Active Directory → Authorization Policy → Network AccessExperience with major incidents, RCA, and Cisco TAC case management.Ability to diagnose authentication, authorization, certificate, and connectivity issues.Infrastructure & AutomationExperience with:Cisco ISE migrations and node deploymentsHigh Availability (HA) environmentsSplunk monitoring and alertingServiceNow integrationsPreferred experience with:PythonAnsibleTerraformREST APIsCI/CD AutomationPreferred QualificationsCCNP Enterprise / CCNP Security or equivalent.Experience with Cisco Catalyst, Meraki, Enterprise Wireless, Active Directory, PKI, Splunk, and ServiceNow.Experience in highly regulated enterprise environments.","company":"Smart IT Frame","rawCompany":"smart it frame","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-11-12T11:37:32.891Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Network Security Engineer","description":"Network Security Engineer - Senior Cisco Identity Services Engine (ISE) EngineerLocation: Washington, DC (Onsite)Type: Full-TimeRequired Experience10–15 years of Network/Security Engineering experience.Strong hands-on experience with Cisco ISE 3.x in large enterprise environments.Experience with Cisco ISE upgrades, patching, troubleshooting, administration, and multi-node deployments.Strong knowledge of 802.1X, RADIUS, EAP/EAP-TLS, NAC, AAA, Authentication & Authorization Policies.Experience with Active Directory integration, Security Groups, and Identity Sources.Strong understanding of PKI and Certificate Management, including server certificates, CA chains, certificate renewals, thumbprints, and certificate-based authentication.Experience with Cisco ISE vulnerability remediation, security patching, and production support.Hands-on experience with packet captures, ISE logs, authentication troubleshooting, and root cause analysis.Experience integrating Cisco ISE with:Cisco CatalystMerakiFirewallsF5DNSSplunk/SIEM platformsServiceNow & Change ManagementExperience creating and managing ServiceNow Change Requests.Ability to write implementation, validation, rollback, and risk assessment plans.Experience executing:ISE upgrades and patchingCertificate renewalsDNS changesPolicy updatesSecurity group changesNew integrationsInfrastructure migrationsIncident & Support ExperienceStrong troubleshooting experience across: Endpoint → Switch/AP → ISE → Active Directory → Authorization Policy → Network AccessExperience with major incidents, RCA, and Cisco TAC case management.Ability to diagnose authentication, authorization, certificate, and connectivity issues.Infrastructure & AutomationExperience with:Cisco ISE migrations and node deploymentsHigh Availability (HA) environmentsSplunk monitoring and alertingServiceNow integrationsPreferred experience with:PythonAnsibleTerraformREST APIsCI/CD AutomationPreferred QualificationsCCNP Enterprise / CCNP Security or equivalent.Experience with Cisco Catalyst, Meraki, Enterprise Wireless, Active Directory, PKI, Splunk, and ServiceNow.Experience in highly regulated enterprise environments.","datePosted":"2026-11-12T11:37:32.891Z","dateModified":"2026-11-12T11:37:32.891Z","hiringOrganization":{"@type":"Organization","name":"Smart IT Frame","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6ae2e18d4df06056cd5c2cf6"},"url":"https://jobsearcher.com/jobs/6ae2e18d4df06056cd5c2cf6"}}