Crest Data Systems - Systems Administrator - Linux Platform

Job Summary :

Experienced Systems Administrator with a strong foundation in Linux, infrastructure management, and incident response, skilled in monitoring, troubleshooting, and maintaining reliable systems across virtualized and cloud-based environments.

Responsibilities :

- Implement strategies and solutions to enhance daily operations, including system stability, security, and scalability.

- Drive real-time monitoring of system performance and capacity, addressing alerts and optimizing systems.

- Lead troubleshooting efforts, coordinating responses to network and system issues.

- Conduct and oversee server, application, and network equipment setup and maintenance.

- Ensure effective outage notification and escalation for prompt resolution.

- Mentor and train the team members on technical skills and troubleshooting methods.

- Maintain up-to-date documentation of processes and procedures in the WIKI.

Key Skills :

Experience : Minimum 4 years in Linux system administration.

Technical Skills :

- Application deployment with Git, StackStorm, etc.

- Strong troubleshooting skills across networks and systems; familiarity with network protocols (TCP/IP, UDP, ICMP) and tools like TCPdump.

- Advanced diagnostic skills in network performance and system capacity monitoring.

- Proficient in Linux command-line and system administration.

Soft Skills :

- Ability to prioritize and escalate issues effectively.

- Adaptability to shift work and capacity for multitasking in high-pressure scenarios.

- Excellent leadership, communication, and interpersonal skills.

Qualifications :

Must-Have :

- CI/CD: Basic experience with Jenkins or similar.

- Monitoring: Experience with Nagios, Sensu, Zabbix, or similar.

- Log Analytics: Basic experience with Splunk/ Elasticsearch/ Sumo Logic/ Prometheus/ Grafana, or similar.

- Virtualization: VMware, KVM, or similar.

- Linux & Networking: Strong fundamentals in Linux, troubleshooting, and networking.

- Containerization: Knowledge of Kubernetes, Rancher, or similar.

Good to Have :

- Networking: Advanced knowledge of BGP, F5 Load Balancer, and switching protocols.

- Certifications: RHCSA, CCNA, or equivalent.