L3 Technical Engineer – Aruba ClearPass Network Access Control

L3 Technical Engineer – Aruba ClearPass Network Access Control This role has been designed as ‘’Onsite’ with an expectation that you will primarily work from an HPE partner/customer office.

Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people live and work. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today’s complex world. Our culture thrives on finding new and better ways to accelerate what’s next. We know varied backgrounds are valued and succeed here. We have the flexibility to manage our work and personal needs. We make bold moves, together, and are a force for good. If you are looking to stretch and grow your career our culture will embrace you. Open up opportunities with HPE.

HPE Operations is our innovative IT services organization. It provides the expertise to advise, integrate, and accelerate our customers’ outcomes from their digital transformation. Our teams collaborate to transform insight into innovation. In today’s fast paced, hybrid IT world, being at business speed means overcoming IT complexity to match the speed of actions to the speed of opportunities. Deploy the right technology to respond quickly to market possibilities. Join us and redefine what’s next for you.

Key Technical Responsibilities Aruba ClearPass NAC (Core) • Design, deploy, and operate Aruba ClearPass Policy Manager (CPPM) • Architect and support HA / DR ClearPass clusters • Configure services, authentication sources ,authorization and enforcement policies • Perform deep troubleshooting using Access. Tracker, Event Viewer, and system logs. Authentication & Access Control • Implement and troubleshoot: • 802.1X (wired & wireless) • EAP-TLS, PEAP, EAP-TTLS.MAC Authentication Bypass (MAB) • Hands-on experience with RADIUS, TACACS+, andCoA (RFC 3576) • Design role-based and identity-based access policies. Switch & Network Integration • Integrate NAC with access switches (Aruba / Cisco / Juniper) • Configure: • DynamicVLAN assignment • Downloadable User Roles (DUR) • Troubleshoot switch-side issues such as re-auth loops and fail-open/fail-close scenarios Endpoint Security & Posture • Configure and support ClearPass OnGuard posture checks • Validate endpoint compliance. • Antivirus / EDR (Trellix, Defender, CrowdStrike, etc.) • OS patching, firewall, disk encryption • Design quarantine and remediation workflows • Support servers, core banking systems, ATMs, kiosks, and IoT devices Certificate & Identity Integration • Implement certificate-based authentication (EAP-TLS) • Integrate with Microsoft AD,LDAP, and AD CS (PKI) • Troubleshoot certificate lifecycle issues (expiry, trust chain, CRL/OCSP)  Operations & Integrations • Act as L3 escalation point for NAC incidents • Perform root cause analysis (RCA) for authentication and posture issues • Integrate ClearPass with SIEM (Splunk/QRadar) and ITSM tools (BMC/ServiceNow) • Plan and execute ClearPass upgrades and patching   What you need to bring: Mandatory Technical Skills • Aruba ClearPass Policy Manager – Expert level • NAC technologies: 802.1X, RADIUS, TACACS+, CoA • Switch-based NAC enforcement • Endpoint posture (OnGuard) • Certificate-based authentication (EAP-TLS) • Windows AD, LDAP, DNS, NTP • Strong troubleshooting and log analysis skills Preferred / Good-to-Have Skills • Banking / BFSI environment exposure • SIEM / SOC integration experience • REST API usage and automation • SD-WAN, VPN, or remote-access NAC integration Experience & Qualification • 6–10+ years in Network Security / NAC • 4+ years hands-on Aruba ClearPass experience • Aruba certifications (ACSA / ACSP / ACCP) – preferred Role Type • Individual Contributor (L3 –