System Administrator

About this position

We’re seeking a System Administrator with a minimum of 3 years of industry experience to join our team and support the infrastructure behind our websites, web applications, portals, workflow automation systems, and cloud environments.

Location: Rajagiriya, Sri Lanka

Employment Type: Full-time

Experience: Minimum 3 years of industry experience in System Administration

Key Responsibilities

• Manage, monitor, and maintain servers, systems, and infrastructure supporting websites, web applications, web portals, and workflow automation systems.
• Administer Linux and/or Windows servers, ensuring system availability, performance, and security.
• Handle deployment, configuration, and maintenance of development, staging, and production environments.
• Monitor system performance, logs, backups, and uptime; proactively identify and resolve issues.
• Manage user access, permissions, and security configurations across environments.
• Support cloud and hosting environments (AWS / Azure / VPS / shared hosting).
• Work closely with development and QA teams to support releases, deployments, and production issues.
• Maintain clear documentation for system configurations, procedures, and infrastructure changes.
• Ensure regular backups, patching, and disaster recovery readiness.

Qualifications

• Bachelor’s Degree in Computer Science, Information Technology, or a related field from a recognised university.
• Minimum 3 years of hands-on industry experience as a System Administrator or in a similar role.
• Fluency in spoken and written English, with the ability to communicate effectively with clients and internal teams.
• Strong working knowledge of Linux-based systems (Ubuntu, CentOS, or similar); Windows Server experience is an advantage.
• Experience managing web servers (Nginx, Apache, IIS).
• Familiarity with database administration fundamentals (PostgreSQL, MySQL, or similar).
• Solid understanding of networking fundamentals (DNS, firewalls, SSL/TLS, load balancing).
• Experience implementing and maintaining system security best practices.
• Strong troubleshooting and problem-solving skills.
• Ability to work independently while collaborating with cross-functional teams.

Nice to Have

• Experience with cloud platforms such as AWS or Azure.
• Exposure to CI/CD pipelines and deployment automation.
• Experience with Docker or containerized environments.
• Familiarity with infrastructure monitoring and alerting tools.
• Prior experience supporting enterprise or workflow-driven systems.

What We Offer

• A competitive salary aligned with experience.
• Opportunity to work on diverse, production-grade systems across multiple industries.
• A collaborative and technically strong work environment.
• Exposure to scalable architectures and long-term system ownership.
• Career growth within a stable, well-established technology company.

*Note: This position is not an internship; applicants without experience will not be considered. For internships or other positions, please send your CV to hrm@tekgeeks.net.

Interested?

If you are a passionate Software Engineer looking to grow your career with a forward-thinking technology company, we encourage you to apply and become part of the TekGeeks journey.