Onsite Network Security & VMware vSphere Admin

Saransh Inc; Cary (NC); On-site; USD 83,000 - 124,000; Part time

Job summary

Saransh Inc in Cary, NC is seeking a Network Security and Infrastructure Administrator to support on-premises infrastructure and ensure systems are secure and available for global teams. The role focuses on deployment, maintenance, patching, troubleshooting, and operational support, with emphasis on VMware vSphere for virtual network management.

You will design and implement security measures, manage servers and network equipment, administer Windows/Linux, handle backups and firmware, and

Qualifications

• Proven experience in network security and management.
• Experience in datacenter or lab environments (racking, cabling, hardware deployment).
• Experience with enterprise servers and network equipment.
• Experience administering Windows and/or Linux systems.
• Ability to troubleshoot across multiple infrastructure layers.
• Experience with secure or high-assurance environments.
• Familiarity with cryptographic systems or specialized security hardware.
• Basic scripting (PowerShell, Bash).
• Experience supporting regulated environments.
• Proficiency in VMware vSphere for virtual network administration.
• Strong understanding of network security protocols and best practices.
• Excellent English communication skills (B2 level).

Responsibilities

• Design, implement, and maintain network security measures to protect Lenovo's infrastructure
• Rack, cable, and deploy infrastructure components including servers, firewalls, and network equipment
• Perform hardware installation, upgrades, replacements, and troubleshooting
• Administer Windows/Linux systems including patching, updates, and configuration
• Support network configuration (IP addressing, VLANs, routing validation)
• Manage system access, permissions, and security controls
• Execute maintenance, backups, firmware updates, and system upgrades
• Troubleshoot across hardware, OS, and network layers
• Configure and administer VMware vSphere for virtual network management
• Maintain documentation, runbooks, and system inventories

Skills

Network security

VMware vSphere

Windows admin

Linux admin

Scripting

Datacenter ops

Troubleshooting

Security best practices

Tools

PowerShell

Bash

Networking hardware

Job description

Saransh Inc in Cary, NC is seeking a Network Security and Infrastructure Administrator to support on-premises infrastructure and ensure systems are secure and available for global teams. The role focuses on deployment, maintenance, patching, troubleshooting, and operational support, with emphasis on VMware vSphere for virtual network management.

You will design and implement security measures, manage servers and network equipment, administer Windows/Linux, handle backups and firmware, and