Senior DevOps Engineer

Job Description We are currently looking Senior DevOps Engineer for our Qatar operations.

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.

Required Skills & Experience 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) : Installation and migration of Jira Data Center; project and issue type configuration; workflow design; custom fields and screens; permission schemes; Jira Cloud administration; REST API integrations; JSM (Service Management) setup.

SonarQube : Community/Developer/Enterprise edition setup; quality profile and quality gate configuration; CI/CD plugin integration; code coverage reporting; branch analysis; security hotspot management.

Azure DevOps : Organization and project setup; Repos, Pipelines (YAML-based), Artifacts feed configuration; sprint boards; service connections; agent pool management; role-based access control (RBAC).

Elasticsearch : Cluster installation and configuration (single-node and multi-node); index lifecycle management (ILM); shard allocation; snapshot & restore; Kibana integration; security (TLS, role-based access); performance tuning and monitoring.

Joining time frame: 2 weeks (maximum 1 month)