Linux Engineer

[SAS Datalake Linux Engineer] 1. Node Replacement and Upgrades:

• Assess Isilon and NetApp cluster capacity and performance metrics using OneFS and ONTAP to determine the need for node replacements or upgrades.
• Manage the integration of new Isilon and NetApp nodes, ensuring system compatibility and minimal downtime during scalability operations.
• Oversee the upgrade and replacement of HPC, Kubernetes, Greenplum, Impala cluster servers, and GPU server hardware to enhance computational and graphics processing capabilities.

2. Troubleshooting and Problem Resolution:

• Utilize Impala Insight IQ and NetApp tools for in-depth analysis to diagnose and resolve issues related to throughput, latency, and capacity.
• Leverage One FS and ONTAP troubleshooting tools and logs to identify and rectify system errors and hardware malfunctions.
• Address performance bottlenecks and system failures in HPC, Kubernetes, Greenplum, GPU servers, Impala, and NetApp environments to ensure operational efficiency.

3. System Monitoring and Maintenance:

• Implement continuous monitoring with Isilon One FS event logs, NetApp ONTAP tools, SNMP alerts, and Grafana to detect anomalies early.
• Schedule regular maintenance using Isilon's and NetApp's software suites to ensure optimal performance and longevity of the storage systems.
• Monitor and maintain HPC, Kubernetes, Greenplum, GPU, Impala, and NetApp server environments, applying necessary updates and performing system health checks regularly.

4. Patches and Updates:

• Apply Impala and NetApp-specific patches and firmware updates to nodes and system software, ensuring all components are secure and up-to-date.
• Test new software updates in a sandbox environment to evaluate their impact on performance and stability before deployment across the cluster.
• Manage and coordinate software updates and patch installations across HPC, Kubernetes, Greenplum, GPU servers, Impala, and NetApp systems to maintain software integrity and security.

5. Technical Support and Consultation:

• Provide specialized support and consultation for optimizing storage solutions with Isilon and NetApp, including data migration, system expansion, and configuration tuning.
• Offer technical support for optimizing HPC, Kubernetes, Greenplum, and GPU server configurations, improving computational resources and data processing workflows.
• Assist with the design, configuration, and optimization of NetApp storage architectures to ensure efficient data management.

6. End-of-Life (EOL) Hardware Management:

• Manage the phased decommissioning of aging hardware in Isilon and NetApp systems, ensuring compliance with environmental standards and security protocols.
• Coordinate the replacement of EOL hardware for HPC, Kubernetes, Greenplum, GPU servers, Isilon, and NetApp to prevent performance degradation.

7. Integration and System Compatibility:

• Ensure that Impala, NetApp, HPC, Kubernetes, Greenplum, and GPU storage solutions are fully integrated and compatible with the overall IT infrastructure.
• Develop and implement strategies for the effective integration of storage and processing technologies to maximize performance and resource utilization.

8. Documentation and Knowledge Sharing:

• Maintain detailed documentation of system configurations, upgrades, and troubleshooting activities to streamline processes and support team onboarding.
• Conduct training sessions or create guides for internal teams to share knowledge about system operations and best practices.

9. Disaster Recovery and Backup:

• Plan and test disaster recovery procedures for Impala, NetApp, and HPC/Kubernetes/Greenplum/GPU servers to ensure data availability and business continuity.
• Ensure backup and recovery processes are in place and regularly tested to minimize data loss risks.

10. Capacity Planning: - Develop capacity planning strategies to proactively scale storage and compute resources based on performance trends and business needs. 11. Automation:

• Develop and maintain automation scripts for routine tasks such as monitoring, data migration, or maintenance to improve system efficiency.
• Utilize automation tools to streamline repetitive tasks, enhancing system performance and reducing manual errors.

12. Security and Compliance:

• Ensure compliance with organizational security standards and relevant regulations during all maintenance, upgrades, and troubleshooting activities.
• Implement or coordinate with security teams on applying best practices and hardening measures for Isilon, NetApp, HPC, Kubernetes, Greenplum, and GPU servers.

13. Data Center Work:

• Participate in data center activities, including racking and initial installation of servers and storage equipment.
• Ensure proper cabling, power connections, and network configurations during initial setup to facilitate smooth integration into the IT environment.

Requirements 4–6 years of hands-on Linux support experience in enterprise environments Strong Linux administration and troubleshooting skills (RHEL/CentOS/Ubuntu) Experience with system monitoring, log analysis, and production support Basic scripting knowledge (Bash/Python preferred) Understanding of networking fundamentals (TCP/IP, DNS, SSH) Familiarity with ETL/data pipeline support and batch job monitoring Experience with cloud environments (AWS/Azure/GCP) is a plus Knowledge of Docker/Kubernetes is preferred Strong problem-solving and communication skills Benefits Comprehensive health insurance, 401K, PTO, sick days, end year bonus Cesna Recruitment