Contract jobs
Position: Aruba ClearPass Support Engineer (L1/L2) – Network Access Control (NAC)
Location: Dallas, TX (Onsite)
Duration: 6+ months contract
H1B candidates ONLY – Passport number MUST
Job Description:
Aruba ClearPass
Ensure high availability and reliability of operation of Aruba NAC services.
Provide user and device access support through authentication and authorization policies.
Deliver efficient issue resolution via Level 1 and Level 2 support tiers.
Assist in maintaining secure onboarding for employees, guests, IoT, and headless devices.
Coordinate with internal teams and vendors for advanced issue resolution (Tier 3 escalation).
Supported Environments
Aruba NAC Policy Manager (virtual or hardware appliances)
NAC Guest, Onboard, OnGuard modules
Aruba Mobility Controllers and Access Points (for context integration)
Wired switches (Aruba, Cisco, or other 802.1X-capable)
External Identity Sources (e.g., Active Directory, LDAP, Azure AD, etc.)
Endpoint profiling, posture assessments, and enforcement policies
Roles & Responsibilities:
Ensure high availability and reliability of operation of Aruba NAC services.
Provide user and device access support through authentication and authorization policies.
Deliver efficient issue resolution via Level 1 and Level 2 support tiers.
Assist in maintaining secure onboarding for employees, guests, IoT, and headless devices.
Coordinate with internal teams and vendors for advanced issue resolution (Tier 3 escalation).
Supported Environments
Aruba NAC Policy Manager (virtual or hardware appliances)
NAC Guest, Onboard, OnGuard modules
Aruba Mobility Controllers and Access Points (for context integration)
Wired switches (Aruba, Cisco, or other 802.1X-capable)
External Identity Sources (e.g., Active Directory, LDAP, Azure AD, etc.)
Endpoint profiling, posture assessments, and enforcement policies
Provide front-line support for basic issues and user requests.
Monitor NAC system availability (via dashboards or SNMP traps)
Respond to service tickets related to:
Authentication failures
Guest portal access issues
Basic onboarding problems
Posture check failures
Create and follow documented SOPs to:
Unlock user MAC addresses
Reset endpoint attributes (e.g., posture states, roles)
Review of the health status of NAC nodes
Notify Level 2-3 team of persistent or complex issues
Troubleshoot RADIUS authentication failures using Access Tracker and Event Viewer
Review logs and logs for posture, profiling, and authorization issues
Modify enforcement and role mapping policies (under change control)
Manage MAC Caching, Static Host Lists, and Endpoint database
Perform system health checks and apply minor configuration changes
Assist in integration troubleshooting with external sources (AD, MDM, Cert Authorities)
Coordinate upgrades and patching under guidance from Tier 3/vendor
Maintain documentation of policies, certificates, and integrations
Create problem records and knowledge base articles for recurring issues
Education: At least a bachelor’s degree (or equivalent experience) in Computer Science, Software/Electronics Engineering, Information Systems, or closely related field is required.
To apply for this job email your details to Jyothi.s@itechus.net