Principal System/DevOps Engineer

Designation: Principal System/DevOps EngineerLocation: Sri Lanka - On-SiteWe are looking for a candidate who loves challenges and working in a fast-paced environment utilizingtheir technical expertise confidently. You should be a resourceful team player who is self-motivated, responsible and able to work well under pressure.Job DescriptionResponsibilitiesDesign, build, integrate, and deploy complex systems to support enterprise infrastructure.Develop and maintain automation pipelines to support CI/CD processes.Gather technical requirements and recommend scalable, efficient solutions.Install and configure Linux systems; perform end-to-end and pilot testing in staging/production environments.Troubleshoot and resolve issues across hardware and software layers.Apply patches and perform system updates to maintain security and performance.Take ownership of assigned tasks and ensure timely completion with minimal supervision.Technical Skills and Experience: Proven experience with installation, management, and troubleshooting of Linux systems (RHEL, CentOS, Ubuntu, Rocky Linux).Hands-on knowledge of open-source tools and services: HA Clustering, HAProxy, BIND, Apache, Nginx etc...Strong scripting and programming skills in one or more languages: Bash, Perl, PHP and Go.Strong experience with software packaging, performance tuning, and system optimization.Strong experience in designing and implementing CI/CD pipelines using one or more tools such as GitLab, Jenkins, Azure DevOps, or Drone.Strong experience in virtualization technologies (KVM, Hyper-V, VMware, Proxmox).Experience with cloud platforms (AWS, GCP).Hands-on experience in databases (MySQL, MariaDB, PostgreSQL).Understanding of networking concepts/protocols: TCP/IP, DHCP, DNS, RADIUS, HTTP, SNMP, SMTP, LDAP, DIAMETER, VLANs, routing, switching, firewalls.Familiarity with OS and application-level security hardening.Knowledge of containerization and orchestration (Docker, Docker Swarm, Kubernetes) is preferred.Modern observability platforms and tools like Grafana, Prometheus, and Loki..Requirements: Minimum 15 years of deep technical experience in IT or the telecommunications industry.Bachelor’s degree in Computer Science, Engineering (Computer/Telecom), Information Technology, or a related field.Strong analytical, troubleshooting, and problem-solving skills.Ability to manage multiple projects independently and deliver results in a fast-paced environment.Positive attitude and eagerness to learn new technologies.