Senior DevOps Engineer

Server Administration Skills

• Solid experience with Linux server administration (RHEL, CentOS, Ubuntu) including shell scripting (Bash), package management, and service configuration (systemd).
• Windows Server administration experience including IIS, Active Directory integration, and PowerShell scripting.
• Proficiency in network fundamentals: DNS, TCP/IP, SSL/TLS certificate management, firewall rules, and reverse proxy configuration (Nginx, Apache, HAProxy).
• Experience with virtualization and containerization: Docker, Kubernetes, VMware, or equivalent platforms.
• Expertise in backup and disaster recovery strategies for hosted DevOps tools and databases.
• Hands-on experience with monitoring solutions such as Prometheus, Grafana, Nagios, Zabbix, or equivalent.

Key Responsibilities

• Administer and manage GitLab server including installation, upgrades, user management, access controls, and repository governance.
• Design, implement, and maintain CI/CD pipelines using Jenkins and GitLab CI/CD to support automated build, test, and deployment workflows.
• Configure and maintain Jenkins master/agent architectures; create and manage pipelines (Declarative and Scripted), plugins, and integrations.
• Install, configure, and administer Nexus Repository Manager for artifact storage, proxy, and distribution of Maven, npm, Docker, and other artifact formats.
• Manage Jira on-premises and Jira Cloud instances including installation, configuration, user permissions, workflows, schemes, and integrations with development tools.
• Set up and maintain SonarQube for static code analysis, quality gates, and integration with CI/CD pipelines to enforce code quality standards.
• Configure and manage Azure DevOps services including Boards, Repos, Pipelines, Artifacts, and Test Plans for end-to-end delivery management.
• Deploy and maintain Elasticsearch clusters including configuration tuning, index management, monitoring, and performance optimization.
• Perform server administration tasks including OS hardening, patch management, service monitoring, and troubleshooting on Linux/Windows environments.
• Implement and maintain infrastructure-as-code (IaC) practices using tools such as Terraform, Ansible, or similar frameworks.
• Collaborate with development teams to define DevOps best practices and drive continuous improvement of delivery pipelines.
• Monitor system health, availability, and performance; set up alerting and incident response procedures.
• Document configurations, runbooks, and operational procedures for all managed platforms.
• Ensure all platforms comply with organizational security standards and audit requirements.

Tool / Platform - Required Expertise

• GitLab :
• Server installation & upgrades; CI/CD pipeline authoring (.gitlab-ci.yml); runner configuration; branch protection; merge request workflows; SAML/SSO integration; GitLab Container Registry management.
• Jenkins:
• Master & distributed agent setup; Declarative & Scripted pipeline development; plugin management (pipeline, credentials, SonarQube, Nexus, Git); Blue Ocean; folder & view organization; shared libraries.
• Nexus Repository :
• Installation & configuration of Nexus OSS/Pro; hosted, proxy, and group repository setup; Maven, npm, PyPI, Docker, and Helm chart repositories; cleanup policies; LDAP integration; blob store management.

• Jira (On-Prem & Cloud)