Linux System Administrator

Job Details:

Job Title: Linux Admin (90%) with DevOps (10%)

Duration: Contract (On the Payroll of Datum Technology Group)

Location: Chennai || Mumbai || Gurugram

Interview Process: Virtual (2 Rounds) + 1 Technical screening.

Job Description:

We are seeking a skilled and motivated Linux Admin with DevOps Engineer background and hands-on experience of scripting. You will be responsible for automating infrastructure, maintaining CI/CD pipelines, managing system configurations, and ensuring the security of our systems.

Key Responsibilities:

• Manage, maintain, and automate Linux-based infrastructure (CentOS/RHEL preferably).
• Build and maintain CI/CD pipelines using tools such as Jenkins, GitLab CI, or similar.
• Write and maintain Ansible playbooks for configuration management and infrastructure automation.
• Develop and maintain Bash and Python scripts for automation, monitoring, and tool integration.
• Monitor system performance and troubleshoot issues across dev, staging, and production environments.
• Knowledge and experience on data processing and analysis (Splunk preferably).
• Participate security vulnerability discovery and remediation to secure our production environments.
• Manage and operate On-Prem and cloud infrastructure.

Required Skills & Qualifications:

• 5+ years of experience in a Linux System Administration role with DevOps or Site Reliability Engineering
• Hands-on experience of Linux system administration (RHEL, CentOS, Ubuntu, or similar distros).
• Hands-on experience of configuration management and automation (Puppet, Ansible or similar tools).
• Solid scripting skills in Bash and Python .
• Knowledge and experiences of JSON and YAML data processing.
• Knowledge and experiences of CI/CD tools (e.g., Jenkins, GitLab CI/CD...).
• Familiarity with version control systems, particularly Git .
• Good understanding of networking, firewalls, DNS, and system monitoring.
• Strong problem-solving skills and ability to troubleshoot complex systems.

Preferred Qualifications:

• Good knowledge of RESTful API integration.
• Exposure to cloud platforms such as AWS, GCP, or Azure.
• Familiarity with monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack).
• Understanding of virtualization, containerization, and orchestration technologies (e.g., Docker, Kubernetes is a plus).
• Experience of Terraform or other infrastructure as code (IaC) tools.
• Experience of secure software delivery (DevSecOps mindset).

Soft Skills:

• Strong communication and collaboration skills.
• Self-starter with the ability to work independently and in a team.
• Passion for automation, system reliability, and operational excellence.