Virtusa

Network Reliability Engineer

Virtusa  •  Chennai, IN (Onsite)  •  2 hours ago
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Job Description

Network Reliability Engineer-(CREQ260363)

Network Reliability (with APOS) Must Have Key skills Design and implement reliable wireless architectures using APOS (Access Point on Stick) Configure VLAN tagging, trunking, and multi-SSID routing Perform RCA for network outages and improve uptime Monitor network via SNMP, syslog, dashboards (99.9%+ availability) Conduct wireless site surveys (Ekahau/AirMagnet), RF analysis, and optimization Ensure coverage planning, interference mitigation, and SLA validation Implement redundancy & failover mechanisms (controller/AP, DHCP resilience) Strong knowledge of 802.11 standards, WPA2/WPA3, 802.1X, Cisco/Aruba WLAN solution Designed and implemented highly reliable wireless network architectures using APOS (Access Point on Stick) deployment models. Configured VLAN tagging, trunking, and routing on access points to support multi‑SSID environments efficiently. Performed root cause analysis (RCA) for network outages and implemented corrective actions to improve uptime. Monitored network health using tools (SNMP, syslog, dashboards) to ensure 99.9%+ availability. Optimized RF performance and channel utilization to reduce interference and improve reliability. Implemented redundancy and failover mechanisms (controller/AP failover, DHCP resilience). Wireless Survey & Optimization Conducted site surveys (pre‑deployment & post‑deployment) using tools like Ekahau / AirMagnet. Performed RF coverage analysis, heatmaps creation, and capacity planning for enterprise environments. Identified and mitigated RF interference, dead zones, and co-channel interference issues. Recommended optimal AP placement, power levels, and channel assignments for maximum coverage and performance. Executed wireless troubleshooting (latency, packet loss, roaming issues). Validated network performance against SLA requirements and user density expectations. Added Value Skills Expertise in 802.11 standards (a/b/g/n/ac/ax) and wireless security (WPA2/WPA3, 802.1X). Experience with controller-based and cloud wireless solutions (Cisco, Aruba, etc.). Strong understanding of QoS, roaming optimization, and load balancing in WLANs.

Primary Location

IN-TN-Chennai

Schedule

Full Time

Employee Status

Individual Contributor

Job Type

Experienced

Travel

No

Job Posting

15/06/2026, 9:29:31 AM
Virtusa

About Virtusa

Virtusa is a global product and platform engineering services company that makes experiences better with technology. We help organizations grow faster, more profitably, and more sustainably by reimagining enterprises through domain-driven solutions. We combine strategy, design, and engineering, backed by unmatched expertise at the intersection of industry, business, and technology to generate real-world business impact for clients.

Headquartered in Massachusetts with global delivery centers, Virtusa provides a broad range of services, solutions, and assets, including strategy and design, AI advisory and services, digital engineering, data and analytics, digital assurance, cloud and security, cx transformation and managed services across industries such as financial services, healthcare, communications, media, entertainment, travel, manufacturing, and technology.

Industry
IT & Software
Company Size
10,000+ employees
Headquarters
Southborough, MA
Year Founded
1996
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