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Hewlett Packard Enterprise

Builds servers, networking and private cloud

Level 3 Technical Engineer - Aruba ClearPass Network Access Control

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeMumbai, Maharashtra, IndiaNo salary listed

About the Job

Requirements

  • Expert-level skill with Aruba ClearPass Policy Manager.
  • Experience with NAC technologies including 802.1X, RADIUS, TACACS+, and CoA.
  • Experience with switch-based NAC enforcement.
  • Experience with endpoint posture using OnGuard.
  • Experience with certificate-based authentication using EAP-TLS.
  • Knowledge of Windows Active Directory, LDAP, DNS, and NTP.
  • Strong troubleshooting and log analysis skills.
  • Six to ten or more years of experience in Network Security or NAC.
  • At least four years of hands-on Aruba ClearPass experience.

Responsibilities

  • Design, deploy, and operate Aruba ClearPass Policy Manager.
  • Architect and support high-availability and disaster-recovery ClearPass clusters.
  • Configure services, authentication sources, authorization and enforcement policies.
  • Troubleshoot using Access Tracker, Event Viewer, and system logs.
  • Implement and troubleshoot wired and wireless 802.1X, EAP-TLS, PEAP, EAP-TTLS, and MAC Authentication Bypass.
  • Work with RADIUS, TACACS+, and CoA (RFC 3576).
  • Design role-based and identity-based access policies.
  • Integrate NAC with Aruba, Cisco, and Juniper access switches.
  • Configure dynamic VLAN assignment and downloadable user roles.
  • Troubleshoot switch-side issues, including re-authentication loops and fail-open/fail-close scenarios.
  • Configure and support ClearPass OnGuard posture checks and validate endpoint compliance.
  • Address endpoint antivirus/EDR, OS patching, firewall, and disk-encryption posture.
  • Design quarantine and remediation workflows.
  • Support servers, core banking systems, ATMs, kiosks, and IoT devices.
  • Implement certificate-based authentication and integrate with Microsoft Active Directory, LDAP, and Active Directory Certificate Services (PKI).
  • Troubleshoot certificate lifecycle issues, including expiry, trust chains, CRL, and OCSP.
  • Act as the L3 escalation point for NAC incidents and perform root cause analysis for authentication and posture issues.
  • Integrate ClearPass with SIEM tools such as Splunk and QRadar, and ITSM tools such as BMC and ServiceNow.
  • Plan and execute ClearPass upgrades and patching.

Desired Qualifications

  • Exposure to banking or BFSI environments.
  • SIEM or SOC integration experience.
  • REST API usage and automation.
  • SD-WAN, VPN, or remote-access NAC integration experience.
  • Aruba certifications such as ACSA, ACSP, or ACCP.

About the Company

Hewlett Packard Enterprise

Builds servers, networking and private cloud

Hewlett Packard Enterprise sells servers, storage, networking and hybrid cloud software to large companies, governments and service providers. Its GreenLake platform lets customers run on-premises hardware as a metered cloud service, and its Cray supercomputers run national lab and AI training workloads. The networking business, built on Aruba and Juniper Networks, supplies campus, data-center and routing equipment. Revenue comes from hardware sales, multiyear support contracts, financing and subscriptions. The company traces its roots to Hewlett-Packard, founded in 1939, became a separate public company in 2015 and is headquartered in Houston, Texas.

Company size
10,001+
Company stage
IPO
Headquarters
Houston, TX
Founded
1939

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