L3 Technical Engineer – Aruba ClearPass Network Access Control

Who We Are:

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.

Job Description:

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.

What you will do:

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 - Technical)

• High-availability, production banking environment

Accessibility

HPE is committed to creating an inclusive and accessible workplace and encourages applications from all qualified individuals, including those with disabilities. If you believe you require accommodation during any stage of the application or interview process, please submit your request by completing our secure form linked here.

Note: This option is reserved for applicants needing assistance/reasonable accommodation related to a disability.

What We Can Offer You:

Health & Wellbeing

We strive to provide our team members and their loved ones with a comprehensive suite of benefits that supports their physical, financial and emotional wellbeing.

Personal & Professional Development

We also invest in your career because the better you are, the better we all are. We have specific programs catered to helping you reach any career goals you have - whether you want to become a knowledge expert in your field or apply your skills to another division.

Unconditional Inclusion

We are unconditionally inclusive in the way we work and celebrate individual uniqueness. 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.

Let's Stay Connected:

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