L3 Senior Technical Engineer - Cisco Wireless Administration

Job Overview :

We are looking for a highly skilled Sr. Technical Engineer L3 - Cisco Wireless Administrator to join our team in Hyderabad.

The ideal candidate must have 5 to 8 years of hands-on experience in implementing, configuring, and troubleshooting enterprise-scale Cisco wireless environments.

You will be responsible for maintaining wireless infrastructure, managing Cisco DNA Center (DNAC), and ensuring seamless wireless connectivity and lifecycle management.

Roles & Responsibilities :

Lifecycle & Migration Management :

- Build and maintain the EoL/EoS inventory, refresh plans, BoM, and migration schedules.

- Validate hardware compatibility including AP models, WLC codes, RF profiles, and target images.

- Coordinate change windows, backout plans, and rollback images or archives.

- Execute cutovers such as WLC HA failovers, AP priming/reassignments, and like-for-like hardware replacements.

- Perform extensive post-cutover health checks on AP association, SSIDs, RF coverage, client authentication, and DHCP/DNS reachability.

Cisco DNAC Administration :

- Use DNAC Design & Templates to standardize site hierarchy, SSIDs, AAA, DHCP helpers, WLAN policies, RF profiles, and QoS.

- Manage Software Image Management (SWIM) for golden images and compliant versions across WLCs and APs.

- Leverage Provisioning for device onboarding, CLI/Composite templates, and variable mappings.

- Pre-stage devices in DNAC inventory using serials, site assignments, and credentials.

- Gracefully drain and migrate clients while removing decommissioned hardware from DNAC policies and templates.

Switching & Network Configurations :

- Define and apply standard port profiles including AP access ports, trunk/native VLANs, PoE budgets, and storm control.

- Update switch configurations to support AP moves, adds, and changes using VLANs, mGig, and LAG.

Documentation & IT Governance :

- Maintain Low-Level Designs (LLDs), migration runbooks, rollback plans, IQ/OQ reports, and as-built diagrams.

- Keep DNAC templates and image compliance matrices updated under version control.

- Log and manage all changes under ITSM (RFCs) along with risk/impact assessments and CAB approvals.

- Update CMDB assets, lifecycle states, and warranty or license records.

(ref:hirist.tech)