The Job

Senior Administrator - Wireless Networking

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

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In short

HCLTech seeks a Senior Administrator for Wireless Networking in Vijayawada, Andhra Pradesh. The role involves designing, implementing, and managing complex enterprise, data center, and cloud networks with a strong emphasis on security and automation. This position requires deep technical expertise and strong communication skills.

Responsibilities

  • Manage core networking fundamentals including TCP/IP, routing, switching protocols (OSPF, BGP, EIGRP, IS-IS), VLANs, STP, EVPN, VXLAN, and WAN technologies.
  • Design and architect enterprise networks encompassing Campus, Data Center, WAN, and Cloud environments using reference architectures like Spine-Leaf, 3-tier, and Clos.
  • Implement Data Center and Cloud Networking solutions, including Spine-Leaf architectures, VXLAN/EVPN, DC interconnect, and cloud networking in AWS, Azure, and GCP.
  • Ensure network security by default, implementing perimeter and internal security measures like Firewalls, DMZ design, Zero Trust principles, segmentation, and VPNs.
  • Design for automation and programmability, understanding network automation concepts, APIs, REST basics, and tools like Python, Ansible, and Terraform.
  • Utilize and maintain network tools and technologies from vendors like Cisco, Juniper, and Arista, including monitoring tools (SolarWinds, PRTG, Grafana) and documentation tools (Visio, Draw.io).
  • Communicate effectively with stakeholders, translate business needs into technical designs, perform risk analysis, and mentor engineers.
  • Adhere to network standards and best practices, manage change through ITIL awareness, and focus on cost optimization and SLA modeling.

Requirements

  • Deep understanding of TCP/IP stack (L2–L7) and core networking fundamentals.
  • Proficiency in Routing & Switching Protocols: OSPF, BGP, EIGRP, IS-IS, VLANs, STP, EVPN, VXLAN.
  • Experience with WAN technologies: MPLS, SD-WAN, Internet VPNs.
  • Expertise in IP addressing & design: IPv4/IPv6, CIDR, summarization.
  • Knowledge of High availability & resiliency: HSRP/VRRP, ECMP, load balancing, QoS.
  • Strong skills in Network Design & Architecture for Enterprise, Campus, Data Center, WAN, and Cloud.
  • Experience with Data Center architectures (Spine-Leaf, VXLAN/EVPN) and Cloud Networking (AWS, Azure, GCP).
  • Understanding of Network Security Architecture, including Firewalls, DMZ, Zero Trust, segmentation, NAC, and VPNs.
  • Working knowledge of automation tools and languages like Python, Ansible, and Terraform.
  • Hands-on familiarity with network vendors: Cisco, Juniper, and Arista.
  • Experience with monitoring and observability tools: SNMP, NetFlow, Telemetry, SolarWinds, PRTG, Grafana.
  • Proficiency in diagramming and documentation tools: Visio, Draw.io, Lucid chart.
  • Troubleshooting skills including Wireshark and packet analysis.
  • Excellent stakeholder communication skills (IT & business).
  • Ability to translate business needs into technical design and perform risk analysis.
  • Knowledge of network standards, best practices, change management, and ITIL awareness.

Desired Qualifications

  • Familiarity with Storage networking basics (iSCSI, FC – conceptual).
  • Understanding of compliance awareness like ISO 27001, PCI-DSS, SOC2.
  • Understanding of SDN & controllers like Cisco ACI, VMware NSX.
  • Infrastructure as Code (IaC) mindset.
  • Conceptual depth in packet analysis.
  • Vendor negotiation and RFP evaluation skills.
  • Presentation and design justification skills.
  • Cost optimization (CapEx vs OpEx) and SLA & availability modeling.

Benefits

  • Opportunity to supercharge your potential at HCLTech.
  • Find your career and spark at a company that puts people first.
  • Work for a global technology company with a broad portfolio of services and products.
#networking#wireless#administrator#senior#enterprise#data center#cloud#security#automation#programmability#HCLTech
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Company

HCLTech

Job Posted

2 weeks ago

Employment Type

Full Time

WorkMode

On Site

Experience Level

Senior

Locations

Vijayawada, India

Applicants

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