The Job

SME - Wireless Networking

Technology, Data & Digital · IT Infrastructure & Security · Cloud Engineering · Network Administration · Cybersecurity

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In short

We are seeking a Subject Matter Expert (SME) in Wireless Networking for a full-time, on-site position in Chennai, India. This role requires extensive knowledge in core networking, design, architecture, data center and cloud networking, security, automation, and various tools and technologies.

Responsibilities

  • Design and implement enterprise network solutions including Campus, Data Center, WAN, and Cloud.
  • Develop and maintain network security architecture, including firewalls, segmentation, and VPNs.
  • Contribute to network automation initiatives using tools like Python, Ansible, and Terraform.
  • Evaluate network vendors and technologies, creating HLD and LLD documentation.
  • Manage stakeholder communication, risk analysis, and vendor negotiations.
  • Ensure adherence to network standards, best practices, and ITIL awareness.

Requirements

  • Core Networking Fundamentals: TCP/IP stack (L2–L7), 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.
  • Network Design & Architecture: Enterprise network design (Campus, Data Center, WAN, Cloud), Reference architectures (Spine‑Leaf, 3‑tier, Clos), Scalability & capacity planning.
  • Data Center & Cloud Networking: Spine‑Leaf architectures, VXLAN/EVPN, DC interconnect (DCI), Cloud Networking (AWS / Azure / GCP).
  • Network Security Architecture: Firewalls (NGFW), DMZ design, Zero Trust principles, Segmentation, Secure access (NAC, 802.1X), VPNs, DDoS mitigation concepts.
  • Automation & Programmability: Network automation concepts, APIs & REST basics, Tools & languages (working knowledge of Python, Ansible, Terraform).
  • Tools & Technologies: Familiarity with network vendors (Cisco, Juniper, Arista), Monitoring (SNMP, NetFlow, Telemetry, SolarWinds, PRTG, Grafana), Diagramming (Visio, Draw.io, Lucidchart), Troubleshooting (Wireshark, packet analysis).
  • Soft Skills: Stakeholder communication, translating business needs into technical design, risk analysis, vendor negotiation, presentation skills, mentoring engineers.
  • Governance: Network standards & best practices, change management, ITIL awareness, lifecycle management, cost optimization, SLA & availability modeling.

Desired Qualifications

  • Conceptual depth in storage networking basics (iSCSI, FC).
  • Familiarity with compliance standards like ISO 27001, PCI‑DSS, SOC2.
  • Infrastructure as Code (IaC) mindset.
  • Experience with SDN controllers such as Cisco ACI or VMware NSX.
  • Experience with vendor negotiation and RFP evaluation.

Benefits

  • Supercharge your potential at HCLTech.
  • Find your career and your spark.
  • A place that knows that helping its customers stay on top starts by putting its people first.
#Networking#Wireless Networking#Network Design#Network Architecture#Data Center Networking#Cloud Networking#Network Security#Automation#Python#Ansible#Terraform#SDN#Cisco#Juniper#Arista
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Company

HCLTech

Job Posted

4 weeks ago

Employment Type

Full Time

WorkMode

On Site

Experience Level

Senior

Locations

Chennai, India

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