60 Open Systems Technologies Quantitative Developer Jobs Hiring Near You

System Administrator (All Levels) Network Engineers | Storage Engineers | Platform Engineers
Locations: Maryland and Utah
Clearance Required: Active TS/SCI with Polygraph
Citizenship: U.S. Citizenship Required Position Overview 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. Responsibilities * 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.
Note: Regardless of specialization, all team members are expected to perform core Linux system administration functions and contribute to overall system sustainment efforts. Required Qualifications * Active TS/SCI with 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
* lnet_selftest
What We're Looking For Successful candidates are naturally curious problem-solvers who enjoy working in complex environments and continuously expanding their technical expertise. Our environments are highly customized, and effective troubleshooting often requires creativity, critical thinking, and a willingness to investigate beyond standard solutions. We value professionals who: * Demonstrate initiative and ownership.
* Thrive in collaborative environments.
* Enjoy learning new technologies.
* Have a strong commitment to mission success.
* Possess excellent troubleshooting and analytical skills.
Benefits OST has been providing mission-critical support to Government agencies since 1996 and offers a comprehensive benefits package including: * 3 Weeks Paid Time Off
* 11 Federal Holidays
* Medical and Dental Coverage
* Short-Term Disability (STD)
* Long-Term Disability (LTD)
* Life Insurance
* Accidental Death & Dismemberment (AD&D) Coverage
* 401(k) with up to 4% Company Match
About OST Open Systems Technologies Corporation (OST) is an Equal Opportunity Employer dedicated to delivering innovative technology solutions and exceptional support to Government customers. We foster a culture of technical excellence, continuous learning, and professional growth while supporting some of the nation's most critical missions.