Job Description

We are seeking a skilled Senior System Administrator to manage and optimize our client’s IT infrastructure. This role focuses on ensuring high availability, security, and performance of servers, networks, and cloud platforms. The ideal candidate will provide technical leadership and mentorship while supporting a dynamic, regulated environment in the life sciences domain.

Key Responsibilities:

Administer Windows/Linux servers and virtualization platforms (VMware/Hyper-V).

Manage Active Directory, Group Policy, DNS, DHCP, and access controls.

Oversee cloud infrastructure (Azure/AWS/GCP) including VM, storage, and networking.

Implement security measures, patch management, and compliance (ISO/SOC).

Support LAN/WAN, VPN, firewall configurations, and ISP/vendor coordination.

Automate tasks using PowerShell/Bash scripting.

Lead backup, disaster recovery, and business continuity planning.

Provide L3 support, mentor junior staff, and collaborate with cross-functional teams.

Requirements

  • Requirements
  • 4–8 years of hands-on experience in system administration.
  • Proven expertise in Windows Server and/or Linux (RHEL, CentOS, Ubuntu).
  • Experience with cloud platforms (Azure, AWS, or GCP).
  • Strong background in virtualization (VMware/Hyper-V), Active Directory, and networking.
  • Knowledge of backup solutions, monitoring tools, and security best practices.
  • Ability to work in a hybrid model from Pune.
  • Excellent problem-solving, communication, and documentation skills.
  • Proactive mindset with the ability to handle multiple priorities.

Skills Required

Technical: Windows Server & Linux administration Active DirectoryGroup PolicyDNSDHCP Virtualization (VMware/Hyper-V/KVM) Cloud management (Azure/AWS/GCP) Networking (TCP/IPVPNfirewalls) Backupdisaster recoveryand security hardening Scripting (PowerShellBash; Python preferred) Monitoring and documentation tools Soft Skills: Strong troubleshooting and analytical ability Clear communication and mentoring skills Proactive and ownership-driven approach Vendor and stakeholder coordination Preferred (Not Mandatory): Cloud certifications (Azure AdministratorAWS SysOps) Microsoft/Red Hat/VMware certifications Exposure to DevOps tools (CI/CDcontainersKubernetes) Experience in regulated or high-availability environments