Administrator

WE ARE HIRING: Systems Administrator (AWS & Windows Infrastructure)   Location: Colombo, Sri Lanka Employment Type: Full Time Industry: Information Technology / Cloud Infrastructure / Systems Administration  Role Overview   We are seeking an experienced and technically strong Systems Administrator (AWS & Windows Infrastructure) to support and maintain business-critical production environments across cloud and on-premises infrastructure platforms. The successful candidate will play a key role in ensuring the stability, security, availability, and performance of enterprise infrastructure while supporting operational excellence and compliance requirements. This role is ideal for a hands-on infrastructure professional with experience in AWS cloud environments, Windows Server administration, automation, troubleshooting, and production support. You will work closely with infrastructure, security, and support teams while contributing to continuous improvement and operational reliability initiatives.  Key Responsibilities Administer, maintain, and support AWS-based production environments and enterprise infrastructure platforms. Manage AWS services including EC2, VPC, S3, IAM, CloudWatch, and related cloud technologies. Utilize AWS Systems Manager (SSM) for automated patch management, configuration management, and operational automation. Administer Windows Server environments (2016–2025), ensuring security, stability, and performance. Manage and maintain Active Directory, Group Policy, DNS, IIS, and related Microsoft technologies. Perform Level 2 and Level 3 troubleshooting for infrastructure, systems, and production-related issues. Support incident management activities and participate in rapid issue resolution processes. Monitor system performance and proactively identify potential infrastructure risks and operational issues. Execute backup, disaster recovery, and business continuity procedures to ensure operational resilience. Develop automation scripts and operational tools using PowerShell. Support server patching, system upgrades, maintenance windows, and infrastructure improvements. Collaborate with internal teams to ensure service availability and operational efficiency. Maintain accurate system documentation, configuration records, and operational procedures. Support compliance initiatives and infrastructure controls in line with organizational requirements. Participate in on-call rotations and provide support during scheduled maintenance activities and critical incidents. Identify opportunities to improve infrastructure reliability, automation, and operational efficiency. Candidate Profile 3–5 years of hands-on experience supporting production environments within cloud and infrastructure operations. Strong experience with AWS cloud services including EC2, VPC, S3, IAM, CloudWatch, and AWS Systems Manager (SSM) . Strong experience administering Windows Server 2016–2025 environments. Solid expertise in Active…