SeniorAdministrator - Wireless Networking
India
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Job Description
SeniorAdministrator - Wireless Networking
Vijayawada, Andhra Pradesh

Job Summary

1. Core Networking Fundamentals TCP/IP stack (L2–L7 understanding) Routing & Switching Protocols: OSPF, BGP, EIGRP, IS‑IS VLANs, STP, EVPN, VXLAN WAN technologies MPLS, SD‑WAN, Internet VPNs IP addressing & design IPv4/IPv6, CIDR, summarization High availability & resiliency HSRP/VRRP, ECMP, load balancing QoS & traffic engineering 2. Network Design & Architecture Skills (Architect Core) Enterprise network design. Campus, Data Center, WAN, Cloud Reference architectures = Spine‑Leaf, 3‑tier, Clos Scalability planning, Capacity planning & growth modeling Redundancy & fault tolerance, Active‑active, DR, multi‑region Technology evaluation, Vendor comparison & design tradeoffs Documentation HLD (High‑Level Design), LLD (Low‑Level Design) Network diagrams (logical & physical). 3. Data Center & Cloud Networking Modern architects must be hybrid‑focused. Data Center - Spine‑Leaf architectures, VXLAN/EVPN, DC interconnect (DCI) Storage networking basics (iSCSI, FC – conceptual), Cloud Networking (AWS / Azure / GCP) VPC / VNet design, Subnets, routing tables, IGW, NAT, Hybrid connectivity. Site‑to‑Site VPN, ExpressRoute / Direct Connect, Cloud security groups & NACLs, Multi‑region & multi‑cloud design 4. Network Security Architecture: Architects design security by default, not as an add‑on. Perimeter & internal security Firewalls (NGFW), DMZ design, Zero Trust principles, Segmentation, VRFs, micro‑segmentation, Secure access, NAC (802.1X), VPN (Remote & Site‑to‑Site) DDoS mitigation concepts, Compliance awareness, ISO 27001, PCI‑DSS, SOC2 (design implications). 5. Automation & Programmability (Increasingly Essential) Not deep coding but designing for automation, Network automation concepts APIs & REST basics Tools & languages (working knowledge) Python, Ansible, Terraform (especially for cloud) SDN & controllers - Cisco ACI, VMware NSX, infrastructure as Code (IaC) mindset. 6. Tools & Technologies Hands‑on familiarity is expected. Network vendors Cisco, Juniper, and Arista. Monitoring & observability - SNMP, NetFlow, Telemetry, SolarWinds, PRTG, Grafana Diagramming & documentation - Visio, Draw.io, Lucid chart Troubleshooting - Wireshark, packet analysis (conceptual depth) 7. Soft Skills & Business Alignment (Critical) Architects operate at technical + executive levels. Stakeholder communication (IT & business) Translating business needs into technical design Risk analysis & trade‑off decisions, Vendor negotiation & RFP evaluation Presentation & design justification, Mentoring engineers 8. Governance, Standards & Operations Network standards & best practices Change management & ITIL awareness, Lifecycle management (design → build → operate → retire), Cost optimization (CapEx vs OpEx), SLA & availability modeling.

Key Responsibilities

1. Core Networking Fundamentals TCP/IP stack (L2–L7 understanding) Routing & Switching Protocols: OSPF, BGP, EIGRP, IS‑IS VLANs, STP, EVPN, VXLAN WAN technologies MPLS, SD‑WAN, Internet VPNs IP addressing & design IPv4/IPv6, CIDR, summarization High availability & resiliency HSRP/VRRP, ECMP, load balancing QoS & traffic engineering 2. Network Design & Architecture Skills (Architect Core) Enterprise network design. Campus, Data Center, WAN, Cloud Reference architectures = Spine‑Leaf, 3‑tier, Clos Scalability planning, Capacity planning & growth modeling Redundancy & fault tolerance, Active‑active, DR, multi‑region Technology evaluation, Vendor comparison & design tradeoffs Documentation HLD (High‑Level Design), LLD (Low‑Level Design) Network diagrams (logical & physical). 3. Data Center & Cloud Networking Modern architects must be hybrid‑focused. Data Center - Spine‑Leaf architectures, VXLAN/EVPN, DC interconnect (DCI) Storage networking basics (iSCSI, FC – conceptual), Cloud Networking (AWS / Azure / GCP) VPC / VNet design, Subnets, routing tables, IGW, NAT, Hybrid connectivity. Site‑to‑Site VPN, ExpressRoute / Direct Connect, Cloud security groups & NACLs, Multi‑region & multi‑cloud design 4. Network Security Architecture: Architects design security by default, not as an add‑on. Perimeter & internal security Firewalls (NGFW), DMZ design, Zero Trust principles, Segmentation, VRFs, micro‑segmentation, Secure access, NAC (802.1X), VPN (Remote & Site‑to‑Site) DDoS mitigation concepts, Compliance awareness, ISO 27001, PCI‑DSS, SOC2 (design implications). 5. Automation & Programmability (Increasingly Essential) Not deep coding but designing for automation, Network automation concepts APIs & REST basics Tools & languages (working knowledge) Python, Ansible, Terraform (especially for cloud) SDN & controllers - Cisco ACI, VMware NSX, infrastructure as Code (IaC) mindset. 6. Tools & Technologies Hands‑on familiarity is expected. Network vendors Cisco, Juniper, and Arista. Monitoring & observability - SNMP, NetFlow, Telemetry, SolarWinds, PRTG, Grafana Diagramming & documentation - Visio, Draw.io, Lucid chart Troubleshooting - Wireshark, packet analysis (conceptual depth) 7. Soft Skills & Business Alignment (Critical) Architects operate at technical + executive levels. Stakeholder communication (IT & business) Translating business needs into technical design Risk analysis & trade‑off decisions, Vendor negotiation & RFP evaluation Presentation & design justification, Mentoring engineers 8. Governance, Standards & Operations Network standards & best practices Change management & ITIL awareness, Lifecycle management (design → build → operate → retire), Cost optimization (CapEx vs OpEx), SLA & availability modeling.

Skill Requirements

1. Core Networking Fundamentals TCP/IP stack (L2–L7 understanding) Routing & Switching Protocols: OSPF, BGP, EIGRP, IS‑IS VLANs, STP, EVPN, VXLAN WAN technologies MPLS, SD‑WAN, Internet VPNs IP addressing & design IPv4/IPv6, CIDR, summarization High availability & resiliency HSRP/VRRP, ECMP, load balancing QoS & traffic engineering 2. Network Design & Architecture Skills (Architect Core) Enterprise network design. Campus, Data Center, WAN, Cloud Reference architectures = Spine‑Leaf, 3‑tier, Clos Scalability planning, Capacity planning & growth modeling Redundancy & fault tolerance, Active‑active, DR, multi‑region Technology evaluation, Vendor comparison & design tradeoffs Documentation HLD (High‑Level Design), LLD (Low‑Level Design) Network diagrams (logical & physical). 3. Data Center & Cloud Networking Modern architects must be hybrid‑focused. Data Center - Spine‑Leaf architectures, VXLAN/EVPN, DC interconnect (DCI) Storage networking basics (iSCSI, FC – conceptual), Cloud Networking (AWS / Azure / GCP) VPC / VNet design, Subnets, routing tables, IGW, NAT, Hybrid connectivity. Site‑to‑Site VPN, ExpressRoute / Direct Connect, Cloud security groups & NACLs, Multi‑region & multi‑cloud design 4. Network Security Architecture: Architects design security by default, not as an add‑on. Perimeter & internal security Firewalls (NGFW), DMZ design, Zero Trust principles, Segmentation, VRFs, micro‑segmentation, Secure access, NAC (802.1X), VPN (Remote & Site‑to‑Site) DDoS mitigation concepts, Compliance awareness, ISO 27001, PCI‑DSS, SOC2 (design implications). 5. Automation & Programmability (Increasingly Essential) Not deep coding but designing for automation, Network automation concepts APIs & REST basics Tools & languages (working knowledge) Python, Ansible, Terraform (especially for cloud) SDN & controllers - Cisco ACI, VMware NSX, infrastructure as Code (IaC) mindset. 6. Tools & Technologies Hands‑on familiarity is expected. Network vendors Cisco, Juniper, and Arista. Monitoring & observability - SNMP, NetFlow, Telemetry, SolarWinds, PRTG, Grafana Diagramming & documentation - Visio, Draw.io, Lucid chart Troubleshooting - Wireshark, packet analysis (conceptual depth) 7. Soft Skills & Business Alignment (Critical) Architects operate at technical + executive levels. Stakeholder communication (IT & business) Translating business needs into technical design Risk analysis & trade‑off decisions, Vendor negotiation & RFP evaluation Presentation & design justification, Mentoring engineers 8. Governance, Standards & Operations Network standards & best practices Change management & ITIL awareness, Lifecycle management (design → build → operate → retire), Cost optimization (CapEx vs OpEx), SLA & availability modeling.

Other Requirements

1. Core Networking Fundamentals TCP/IP stack (L2–L7 understanding) Routing & Switching Protocols: OSPF, BGP, EIGRP, IS‑IS VLANs, STP, EVPN, VXLAN WAN technologies MPLS, SD‑WAN, Internet VPNs IP addressing & design IPv4/IPv6, CIDR, summarization High availability & resiliency HSRP/VRRP, ECMP, load balancing QoS & traffic engineering 2. Network Design & Architecture Skills (Architect Core) Enterprise network design. Campus, Data Center, WAN, Cloud Reference architectures = Spine‑Leaf, 3‑tier, Clos Scalability planning, Capacity planning & growth modeling Redundancy & fault tolerance, Active‑active, DR, multi‑region Technology evaluation, Vendor comparison & design tradeoffs Documentation HLD (High‑Level Design), LLD (Low‑Level Design) Network diagrams (logical & physical). 3. Data Center & Cloud Networking Modern architects must be hybrid‑focused. Data Center - Spine‑Leaf architectures, VXLAN/EVPN, DC interconnect (DCI) Storage networking basics (iSCSI, FC – conceptual), Cloud Networking (AWS / Azure / GCP) VPC / VNet design, Subnets, routing tables, IGW, NAT, Hybrid connectivity. Site‑to‑Site VPN, ExpressRoute / Direct Connect, Cloud security groups & NACLs, Multi‑region & multi‑cloud design 4. Network Security Architecture: Architects design security by default, not as an add‑on. Perimeter & internal security Firewalls (NGFW), DMZ design, Zero Trust principles, Segmentation, VRFs, micro‑segmentation, Secure access, NAC (802.1X), VPN (Remote & Site‑to‑Site) DDoS mitigation concepts, Compliance awareness, ISO 27001, PCI‑DSS, SOC2 (design implications). 5. Automation & Programmability (Increasingly Essential) Not deep coding but designing for automation, Network automation concepts APIs & REST basics Tools & languages (working knowledge) Python, Ansible, Terraform (especially for cloud) SDN & controllers - Cisco ACI, VMware NSX, infrastructure as Code (IaC) mindset. 6. Tools & Technologies Hands‑on familiarity is expected. Network vendors Cisco, Juniper, and Arista. Monitoring & observability - SNMP, NetFlow, Telemetry, SolarWinds, PRTG, Grafana Diagramming & documentation - Visio, Draw.io, Lucid chart Troubleshooting - Wireshark, packet analysis (conceptual depth) 7. Soft Skills & Business Alignment (Critical) Architects operate at technical + executive levels. Stakeholder communication (IT & business) Translating business needs into technical design Risk analysis & trade‑off decisions, Vendor negotiation & RFP evaluation Presentation & design justification, Mentoring engineers 8. Governance, Standards & Operations Network standards & best practices Change management & ITIL awareness, Lifecycle management (design → build → operate → retire), Cost optimization (CapEx vs OpEx), SLA & availability modeling.
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.