Senior System Administrator (HPC)

Jahnel Group•Schenectady, NY

71d•Onsite

About The Position

LTI (Logic Technology, Inc.) is seeking a Senior Systems Administrator to join their High Performance Computing (HPC) team. The ideal candidate will have a strong background in Linux operating systems and administration within enterprise environments, coupled with proficiency in scripting languages and a desire to learn about HPC. A consultant mindset, excellent communication, problem-solving skills, and a positive attitude in high-pressure situations are essential. This role involves supporting the HPC Operations team and ensuring the success of high-performing groups.

Requirements

7+ years of experience with Linux
Scripting with Python, Bash, or Perl
Experience with storage administration with NetApp or possessing basic knowledge of RAID, storage concepts (aggregates, volumes, qtrees), security (NFS and CIFS)
Experience with license managers (Flex and RLM)
Knowledge of virtualization solutions and techniques
Experience with batch schedulers (PBS, Slurm, and/or Platform LSF)
Basic web knowledge (http, xml)
Experience in maintaining an enterprise environment with mixed operating systems
Experience with HPC
Ability to work collaboratively in a team environment
High level experience with HP server hardware, remote iLo support and base configurations
Proficient with Docker, container technologies, Kubernetes and/or Docker Swarm.
Demonstrated high level of proficiency in VMWare, VM ESXi, VDI setup and administration.

Nice To Haves

Linux operating systems and administration in enterprise environments
Strong scripting language skills
Keen interest in learning about the High Performance Computing space
Consultant mindset
Excellent communication skills
Problem-solving mentality
Ability to maintain a positive attitude in high-pressure situations
Expertise in Red Hat Enterprise Linux (RHEL), CentOS, HP and Dell server hardware, and the Cray Linux Environment.
Familiarity with object storage technologies.
Proficient support for Infiniband networks and their supporting infrastructure.

Responsibilities

Manage and administer Cray XC30/40 and Shasta systems, ensuring optimal performance and availability.
Troubleshoot and support Network Attached Storage (NAS) systems, including setup and management of NetApp storage devices.
Support key engineering applications on Cray, Linux, and Windows servers.
Manage FlexLM and license management systems on UNIX and Windows platforms.
Optimize workload management using PBS and job scheduling techniques.
Administer and configure UNIX/Linux systems, including patch management and security vulnerability remediation.
Utilize container technologies such as Docker and Kubernetes for efficient application deployment and management.
Collaborate with client management to address infrastructure needs and provide support.
Setup, configure, and manage Linux-based clusters and provide support for third-party HPC software.
Set up and query databases in Oracle or MySQL environments.
Enhance and develop applications using programming languages such as sh, csh, J2EE, PERL, CGI, HTML, C/C++, and Python.
Manage VMWare, VM ESXi, and VDI environments, including administration of VMWare VDI using vRA and vRO.
Support and troubleshoot DDN and Lustre filesystems, and maintain familiarity with object storage technologies.
Serve as a Subject Matter Expert (SME) for escalations related to standard HPC infrastructure and software.
Provide proficient support for Infiniband networks and their supporting infrastructure.