Senior Network Administrator

• *About Calibrage:**

Calibrage Info Systems Pvt. Ltd. is a technology\-driven organization delivering enterprise software, cloud, infrastructure, and digital transformation solutions. We are looking for an experienced Network Administrator to manage and support secure, scalable, and highly available IT infrastructure.

• *Position Summary:**

We are seeking a proactive Network Administrator with strong experience in enterprise networking, Windows Server administration, Active Directory, firewall management, Microsoft 365, and cloud technologies. The ideal candidate will ensure the availability, performance, and security of enterprise infrastructure while supporting global business operations.

• *Key Responsibilities:**

· Install, configure, and maintain enterprise network infrastructure.

· Administer routers, switches, VLANs, routing, DNS, DHCP, TCP/IP, and VPN services.

· Configure and manage Cisco, Fortinet, and Palo Alto firewalls.

· Implement Site\-to\-Site IPsec VPN and SSL VPN connectivity.

· Administer Windows Server 2016/2019/2022 and Active Directory.

· Manage Microsoft 365, Microsoft Entra ID (Azure AD), and Intune.

· Support Azure, AWS, and GCP virtual infrastructure.

· Monitor network and server performance and resolve incidents.

· Maintain documentation, SOPs, and network diagrams.

· Collaborate with vendors and global IT teams.

• *Required Technical Skills:**

· Routing \& Switching

· TCP/IP, DNS, DHCP

· VLAN, NAT, SNAT, DNAT

· Cisco, Fortinet \& Palo Alto Firewalls

· Site\-to\-Site IPsec VPN \& SSL VPN

· Windows Server Administration

· Active Directory \& Group Policy

· Microsoft 365 Administration

· Microsoft Entra ID (Azure AD)

· Microsoft Intune

· Azure / AWS / GCP Basics

· PowerShell (Preferred)

• *Qualifications:**

· Bachelor's Degree in Computer Science, Information Technology, or related field.

· 4–8 years of experience in Network Administration or IT Infrastructure.

· Excellent troubleshooting, communication, and documentation skills.

· Willingness to work in US Shift.

Application \& Contact Information

• *Please share your updated resume to the contact details below:**

• *Nikhitha Yathamshetty**
• *HR Operations Manager**
• *Calibrage Info Systems Private Limited**

\+91 79936 36919

nikhitha@calibrage.in

www.calibrage.in

LinkedIn (Profile): www.linkedin.com/in/nikhitha\-yathamshetty\-aa367920a/

LinkedIn (Company): https://www.linkedin.com/company/14530720/admin/dashboard/

Pay: ₹75,000\.00 \- ₹100,000\.00 per month

Benefits

• Provident Fund

Work Location: In person