Senior Cloud Network Administrator

Sunovaa Tech Pvt. Ltd.; Bengaluru; On-site; INR 1,300,000 - 2,100,000; Full time

Job summary

Siemens Healthineers is seeking an experienced Senior Cloud Network Administrator to manage, maintain, and troubleshoot cloud networking across Azure and AWS environments. The ideal candidate will have strong expertise in cloud networking, hybrid connectivity, network security, firewall administration, and IT service management.

Design VNets and VPCs, configure ExpressRoute and Direct Connect, manage firewalls and DMZs, monitor performance, and work with global teams to ensure reliable,

Qualifications

• 5+ years of network administration and cloud networking experience.
• Hands-on with Azure and AWS networking services.
• Strong knowledge of ExpressRoute and Direct Connect.
• Experience with VNet and VPC, routing and subnets.
• Firewall, DMZ, and proxy management experience.
• ITSM processes and ServiceNow experience.
• Strong troubleshooting, documentation, and communication skills.

Responsibilities

• Design, configure, and maintain Azure and AWS cloud networking.
• Manage ExpressRoute and Direct Connect for secure connectivity.
• Maintain VNet, VPC, subnets, routes, and security rules.
• Design DMZs, firewalls, and proxy infrastructure.
• Monitor performance and resolve connectivity issues.
• Troubleshoot routing, latency, and availability.
• Use Wireshark, iPerf, and cloud monitoring for diagnostics.
• Handle incidents and changes with ITSM systems.
• Ensure SLAs are met and document architecture.
• Collaborate with global teams for stability and security.

Skills

Azure networking

AWS networking

Azure ExpressRoute

AWS Direct Connect

VNet/VPC

Firewall administration

DMZ configuration

Proxy management

ITSM processes

TCP/IP

DNS

ServiceNow

Networking fundamentals

Documentation

Education

Bachelor's degree

Tools

ServiceNow

Wireshark

iPerf

Job description

Company: Siemens Healthineers
Experience: 5+ Years
Department: IT & Information Security
Role: Cloud Network Administration
Shift Timing: 12:00 PM 9:00 PM IST
Work Location: As per business requirement

Job Summary

We are looking for an experienced Senior Cloud Network Administrator to manage, maintain, and troubleshoot cloud network infrastructure across Microsoft Azure and AWS environments. The ideal candidate will have strong expertise in cloud networking, hybrid connectivity, network security, firewall administration, and IT service management.

Key Responsibilities

• Design, configure, and maintain Azure and AWS cloud networking infrastructure.
• Configure and manage Azure ExpressRoute and AWS Direct Connect for secure, reliable connectivity.
• Manage Azure Virtual Networks (VNet), AWS Virtual Private Cloud (VPC), subnets, route tables, and network security rules.
• Design and maintain DMZs, cloud-native firewalls, third-party firewalls, and proxy infrastructure.
• Monitor cloud network performance, investigate alerts, and resolve network connectivity issues.
• Troubleshoot routing issues, latency, packet loss, and network availability problems.
• Use tools such as Wireshark, iPerf, and cloud monitoring solutions for network diagnostics.
• Manage incidents, changes, and problem records using ServiceNow or similar ITSM tools.
• Ensure incidents and changes are resolved within agreed service-level agreements (SLAs).
• Maintain network architecture diagrams, configuration records, and technical documentation.
• Collaborate with global infrastructure, security, and cloud operations teams to ensure network stability and security.

Mandatory Skills

• 5+ years of relevant experience in network administration, cloud networking, and troubleshooting.
• Hands-on experience with Microsoft Azure and AWS networking services.
• Strong knowledge of Azure ExpressRoute and AWS Direct Connect.
• Experience with Azure VNet, AWS VPC, routing, subnets, and network connectivity.
• Experience in firewall administration, DMZ configuration, proxy management, and network security.
• Strong networking fundamentals, including TCP/IP, DNS, routing, and switching.
• Experience with network monitoring and troubleshooting tools such as Wireshark and iPerf.
• Knowledge of ITSM processes, including incident, change, and problem management.
• Experience with ServiceNow or similar ITSM platforms.
• Strong analytical, problem-solving, communication, and documentation skills.

Good-to-Have Skills

• CCNA or CCNP certification.
• Microsoft Azure Administrator or Azure networking certification.
• AWS Certified SysOps Administrator or equivalent AWS certification.
• Experience supporting global enterprise cloud infrastructure.

Educational Qualification

Bachelor’s degree in Computer Science, Information Technology, Networking, or a related discipline.

Work Requirements

• Ability to work from 12:00 PM to 9:00 PM IST to align with the global team’s working hours.
• Willingness to support occasional weekend activities with prior notification.
• Ability to participate in incident management and production support activities.

Ideal Candidate Profile

Candidates with hands-on experience in Azure and AWS cloud networking, ExpressRoute, Direct Connect, network security, firewall management, and enterprise network troubleshooting will be preferred.

Interested candidates with relevant cloud networking and infrastructure administration experience are encouraged to apply.