Senior Linux HPC Systems Administrator/Engineer

This is an excellent opportunity for Senior Linux HPC Systems Administrator/Engineer professionals to be part of leading-edge technology projects. Cognizant’s Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems integration services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost.

Key Responsibilities

• Administer, configure, and maintain RHEL environments (specifically RHEL 8 & 9) ensuring stability, performance, and security.
• Provide hands-on support with high-end workstation hardware for scientists, promptly addressing hardware and software issues.
• Offer technical support to scientific users, bridging the gap between research demands and IT infrastructure.
• Leverage any scientific computing experience to optimize system performance and manage specialized applications.
• Assist with management of high-performance compute resources, including experience with Slurm, clustering, and related HPC technologies.
• Work closely with other technical teams and stakeholders to align IT services with organizational needs.
• Build and maintain strong stakeholder relationships, communicating complex technical concepts.
• Provide in-person support onsite to ensure effective resolution of issues and a high level of customer satisfaction.
• Utilize ServiceNow for tracking incidents, managing change requests, and ensuring timely resolution of service tickets.
• Implement and follow IT best practices for incident management, performance monitoring, and network troubleshooting.
• Manage SSL certificates and configure web servers as needed.
• Monitor and troubleshoot system performance issues, including understanding the impact of GPUs, networking, and other hardware components.
• Handle vendor relationships effectively, coordinating with external partners to resolve issues and optimize service delivery.
• Maintain familiarity with MacOS systems to provide assistance when necessary.

Required Skills

• Good enterprise IT experience with extensive hands-on expertise in RedHat Enterprise Linux (RHEL), specifically RHEL 8 & 9.
• Proven experience with high-end workstation hardware setups and scientific application support.
• Demonstrated knowledge of scientific computing and experience in high performance compute environments, including experience with Slurm and clustering, is highly desirable.
• Strong troubleshooting skills for both hardware and software issues.

Desirable Skills:

• Working knowledge of ServiceNow and its application in incident and service management.
• Familiarity with networking concepts, performance monitoring tools, and GPU technologies.
• Any experience with scientific applications will be a significant advantage.
• Exposure to MacOS environments is useful but not essential.