Linux Administrator with AWS/Azure | 1-4 years | Bangalore, India

Qwalton Services Limited; Bengaluru; On-site; INR 700,000 - 1,300,000; Full time

Job summary

Qwalton Services Limited in Bengaluru is seeking a Systems Infrastructure Engineer to design, deploy, and maintain Windows Server, Active Directory, and Azure environments, while administering Linux systems and virtualization platforms. You will collaborate on global infrastructure rollouts with the Bertus HQ team in the Netherlands and contribute to security, DR, and architecture improvements.

You will work on automation via PowerShell and Bash, strengthen networking, and support audits and

Qualifications

• 1–4 years hands-on experience in systems/infrastructure role (not helpdesk).
• Strong Windows Server, Active Directory, and Microsoft 365/Azure administration skills.
• Solid Linux administration experience in production environments (RHEL/CentOS/Ubuntu).
• Scripting for automation: PowerShell and Bash; Python is a plus.

Responsibilities

• Design, deploy, and maintain Windows Server environments and AD services.
• Administer Linux servers; install, harden, patch, and tune performance.
• Manage hybrid Azure infrastructure, IaaS, resource groups, policies, cost control.
• Lead global infrastructure rollouts and contribute to architecture decisions.

Skills

Windows Server

Linux administration

VMware vSphere

Active Directory

Azure administration

PowerShell

Bash

Networking

Education

Bachelor's degree in IT / CS

Tools

Azure

Microsoft 365

VMware

Hyper-V

Terraform

Ansible

Job description

Server & platform engineering

• Design, deploy, and maintain Windows Server environments (Active Directory, DNS, DHCP, GPO, PKI)
• Administer Linux servers (RHEL/CentOS/Ubuntu) - installation, hardening, patching, and performance tuning
• Manage services running on Linux: web servers, databases, application runtimes, and scheduled jobs
• Administer and optimise virtualisation platforms (VMware vSphere / Hyper-V) at scale
• Manage and develop the hybrid Azure infrastructure - IaaS, resource groups, policy, cost management
• Own the Microsoft 365 tenant administration: Exchange Online, Teams, SharePoint, OneDrive, Intune
• Manage Azure Active Directory / Entra ID: identity governance, conditional access, SSO, MFA
• Drive automation using PowerShell, Azure Automation, or similar scripting tools

Network & security engineering

• Design and manage network architecture: routing, switching, VLANs, SD-WAN, firewalls
• Implement and maintain security baselines: patch management, CIS benchmarks, endpoint hardening
• Manage Microsoft Defender, Sentinel, or equivalent SIEM/EDR tooling
• Operate and improve backup, replication, and disaster recovery solutions
• Support IT security audits, risk assessments, and compliance requirements

Global projects & architecture

• Collaborate as an equal peer with the systems team at Bertus HQ in the Netherlands
• Contribute to and lead global infrastructure rollouts, migrations, and standardisation projects
• Evaluate and recommend new technologies, platforms, and architectural improvements
• Participate in architectural decisions and capacity planning across both sites
• Maintain thorough documentation of architecture, runbooks, and change records
• Participate in on-call rotation for critical incidents across time zones

Required knowledge & experience

• Bachelor's degree (B.Tech / BCA / BSc IT or equivalent) in a relevant IT discipline
• 1-4 years of hands-on experience in a systems engineering or infrastructure role - not helpdesk
• Deep expertise in Windows Server, Active Directory, and Microsoft 365 / Azure administration
• Strong Linux administration skills: RHEL/CentOS or Ubuntu/Debian in a production environment
• Experience with Linux system hardening, package management, systemd, and log analysis
• Strong virtualisation skills: VMware vSphere and/or Microsoft Hyper-V
• Solid networking knowledge: TCP/IP, BGP/OSPF, VLANs, firewalls, VPN
• Proficiency in scripting for automation: PowerShell and Bash (Python is a plus)
• Fluent written and spoken English - you will work daily with Dutch colleagues

Nice to have - bonus points

• Microsoft certifications: AZ-104, AZ-305, MS-102, SC-300 or equivalent
• Linux certifications: RHCSA, RHCE, LPIC-1/2, or equivalent
• Experience with VMware certifications (VCP) or NSX
• Familiarity with DevOps tooling: Terraform, Ansible, CI/CD pipelines
• Experience in an international or European-headquartered organisation
• ITIL or similar service management framework experience