Wireless Network Engineer Tata Consultancy Services

5.0 - 10.0 years

1 - 3 Lacs

Hyderabad, Greater Noida, Delhi / NCR

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Job Summary: We are seeking a highly experienced Level 3 Wireless Network Engineer with deep expertise in both Cisco and Aruba wireless technologies . The ideal candidate will lead the design, deployment, troubleshooting, and optimization of enterprise-grade wireless infrastructures. You will act as a subject matter expert (SME), resolving high-level wireless issues and driving continuous improvements in performance, scalability, and security. Key Responsibilities: Design and deploy large-scale wireless LAN (WLAN) environments using Cisco WLCs and Aruba (Mobility Controllers, Instant APs, Central). Optimize channel planning , band steering , and power level adjustments to reduce interference and maximize coverage. Architect and implement high-availability wireless designs , including N+1 controller redundancy, LAGs, VRRP/HA groups. Administer Cisco WLCs (9800) and Aruba Mobility Controllers (MM/MC architecture) . Configure WLANs, SSIDs, AAA policies, and AP groups with role-based access control (RBAC). Implement Fast Roaming (802.11r/k/v) , bandwidth throttling , application visibility , and WIPS/WIDS . Manage firmware upgrades , controller failovers , and AP image preloading strategies. Integrate with RADIUS servers (ISE, forescout) for 802.1X authentication. Configure Guest access portals , MAC-based authentication , and Captive Portals (internal and external). Analyze wireless packet captures using Wireshark , or Aruba AirWave/Central . Resolve L2/L3 roaming issues, high latency, client disconnections, and interference problems. Monitor KPIs like SNR, RSSI, retransmission rates, and throughput to identify RF anomalies. Correlate client issues using Aruba Central Required Skills & Experience: 5+ years of experience in enterprise wireless networking . Strong hands-on expertise in both Cisco and Aruba wireless ecosystems . Proficiency with: Cisco Wireless LAN Controllers (9800 Series, AireOS, Catalyst APs) Aruba Controllers , Instant APs , Aruba Central , AirWave Wireless security protocols : WPA2/WPA3, 802.1X, PSK, MAC auth Authentication systems : Cisco ISE RF tuning , mesh networks , client load balancing , high-density deployment Strong understanding of Layer 2/3 networking , VLANs , Multicast , QoS , and DHCP relay . Comfortable with CLI (Cisco IOS/XE, Aruba OS) and web-based UIs . Experience with cloud-managed wireless solutions (Aruba Central, Cisco Meraki is a plus). Familiarity with Wi-Fi 6 and Wi-Fi 6E features and limitations. Preferred Certifications: Cisco Certified Specialist Enterprise Wireless Aruba Certified Mobility Professional (ACMP) Soft Skills: Strong analytical and troubleshooting skills. Excellent documentation and communication abilities. Proven leadership in high-severity incidents and RCA investigations. Capable of mentoring L1/L2 engineers and leading knowledge transfer sessions. Ability to manage multiple priorities and work independently. Role & responsibilities Wireless Network Engineer Experience 5+ years location delhi ncr hyderabad jd

Posted 3 days ago

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NOMC Bcits

0.0 - 2.0 years

0 - 3 Lacs

Bengaluru

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Job Description: We are looking for a skilled and experienced professional with hands-on knowledge in smart metering infrastructure and associated technologies. The candidate will be responsible for managing, maintaining, and supporting the end-to-end operations of AMI systems including smart meters, HES, MDM, MDAS, cloud infrastructure, and communication technologies such as GPRS and RF. Key Responsibilities: 1) Smart Meter Technology Understand the architecture and functionality of smart meters. Support integration, configuration, and troubleshooting of smart meters. 2) HES (Head-End System) Monitor and manage communication between smart meters and backend systems. Ensure data collection, validation, and transfer to downstream systems. Work with OEMs/vendors to troubleshoot HES-related issues. 3) MDM (Meter Data Management) Manage and support the MDM system for validating, storing, and processing meter data. Coordinate with billing teams for data consistency and availability. Implement and maintain data validation and estimation routines 4) MDAS (Meter Data Acquisition System) Ensure accurate and timely data acquisition from field devices. Manage data acquisition schedules, logs, and exceptions. Coordinate with field teams for device-level issues. 5) Cloud Server Management Coordinate with IT/cloud teams for cloud infrastructure hosting HES/MDM systems. Ensure system uptime, scalability, and data security. Assist in cloud backup and disaster recovery planning. 6) GPRS / RF Technology Manage and troubleshoot communication networks used by smart meters. Ensure reliable data transmission via GPRS or RF mesh technologies. Collaborate with communication vendors to resolve issues in the field. and maintain data validation and estimation routines Required Skills and Qualifications: 1. Bachelor's degree/Diploma in Electrical, Electronics, IT, or related field 2. Minimum 1 or 2 years of experience in AMI, smart metering, or utility IT systems 3. Good understanding of HES/MDM/MDAS systems and cloud platforms 4. Knowledge of communication protocols such as DLMS/COSEM, GPRS, RF Mesh, etc. 5. Strong analytical and troubleshooting skills 6. Ability to work with cross-functional teams (field, IT, vendors)

Posted 2 weeks ago

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