System Administrator (MDUT) (MidSr-TSSCI FSP-Onsite)

Industry: Information Technology - Other

Job Category: Information Technology - Other IT

Network Engineers Storage Engineers Platform Engineers

Locations: Maryland and Utah

Clearance: Active TS/SCI with Full Scope Polygraph

Must have Full Scope Poly from NSA

Citizenship: U.S. Citizenship Required

Job Description

Open Systems Technologies Corporation (OST) is seeking System Administrators at all experience levels to support mission-critical operations in Maryland and Utah. These funded positions support high-performance computing (HPC) environments and mission operations sustainment activities including monitoring troubleshooting maintenance and optimization of complex Linux-based infrastructures.

We are seeking candidates with strong Linux administration skills and a passion for solving complex technical challenges. Whether your expertise is in platform engineering networking or storage systems you will play a critical role in ensuring the reliability performance and availability of mission-essential environments.

Essential Functions

Monitor maintain and troubleshoot mission operations systems and infrastructure.

Install configure and administer Linux operating systems and applications.

Configure and manage file systems networking services and system resources.

Perform operating system and application troubleshooting in complex environments.

Develop and maintain Bash scripts to automate administrative tasks.

Compile install configure and support software applications.

Support infrastructure automation and configuration management initiatives.

Collaborate with engineering and operations teams to resolve system issues and improve performance.

Document configurations procedures and troubleshooting processes.

Participate in system upgrades maintenance activities and operational support.

Qualifications

Active TS/SCI with Full Scope Polygraph security clearance.

U.S. Citizenship.

Experience administering Linux operating systems including:

Red Hat Enterprise Linux (RHEL)

CentOS

Rocky Linux

SUSE Linux Enterprise Server (SLES)

Ubuntu

Experience with:

Linux installation and configuration

File system administration

TCP/IP networking

Operating system troubleshooting

Application troubleshooting

Bash scripting

Software compilation and installation

Strong analytical and troubleshooting skills.

Ability to work independently and collaboratively in dynamic mission environments.

Desired Qualifications

Understanding of High-Performance Computing (HPC) architectures.

Experience supporting large-scale enterprise or mission-critical environments.

Knowledge of high-speed networking technologies including:

InfiniBand

Slingshot

Experience with:

Jira

Confluence

Grafana

Prometheus

Nagios

Slurm

Git

Salt

Ansible

Storage & Network Engineering Preferred Experience

Candidates with storage networking or infrastructure engineering backgrounds are highly encouraged to apply.

Storage Technologies

Lustre file system configuration administration and troubleshooting.

Experience with DDN Exascaler file system appliances.

Storage fabric design implementation and support.

Storage performance tuning and optimization.

Networking Technologies

TCP/IP networking and storage networking concepts.

Experience with enterprise routing and switching platforms including:

Cisco

Juniper

Arista

Emerging Technologies

Experience or interest in learning

E1000 Storage Systems

Elastic Storage Nodes (ESNs)

DAOS (Distributed Asynchronous Object Storage)

Weka Data Platform

Performance and Benchmarking Tools

Experience with one or more of the following

IOR

iperf

FIO

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