Linux Engineer

Cesna Recruitment•Austin, TX

20h

About The Position

The SAS Datalake Linux Engineer will be responsible for managing and maintaining various server environments including Isilon, NetApp, HPC, Kubernetes, Greenplum, Impala, and GPU servers. This role involves node replacement and upgrades, troubleshooting and problem resolution, system monitoring and maintenance, applying patches and updates, providing technical support, managing end-of-life hardware, ensuring system integration and compatibility, documentation and knowledge sharing, disaster recovery and backup planning, capacity planning, automation, security and compliance, and data center work. The engineer will utilize various tools and technologies to ensure the optimal performance, stability, and security of these systems.

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

Nice To Haves

Experience with cloud environments (AWS/Azure/GCP) is a plus
Knowledge of Docker/Kubernetes is preferred
Strong problem-solving and communication skills

Responsibilities

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.
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.
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.
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.
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.
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.
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.
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.
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.
Develop capacity planning strategies to proactively scale storage and compute resources based on performance trends and business needs.
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.
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.
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.