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System Administrator

System One • Annapolis Junction, MD • 1h ago

System Administrator - TS/SCI w/ Full Scope Polygraph (FSP)

Location: Annapolis Junction, MD

Work Model: 100% Onsite

Type: Direct Hire (W2)

Compensation: Up to $150,000/year

Schedule: 40 hours/week

Clearance Required: Active TS/SCI with FSP

About the Role

We're hiring System Administrators at multiple experience levels to support mission-critical operations in Linux-based, high-performance environments. This role is ideal for someone who enjoys hands-on troubleshooting, optimizing system performance, and working closely with engineering and operations teams to keep essential infrastructure reliable and available.

This team includes professionals who specialize in platform, network, and storage engineering-but everyone is expected to contribute to core Linux system administration and operational sustainment work.

What You'll Do

Monitor, maintain, and troubleshoot systems and infrastructure supporting mission operations

Install, configure, and administer Linux operating systems and applications

Manage file systems, networking services, and system resources

Troubleshoot operating system and application issues in complex environments

Write and maintain Bash scripts to automate administrative tasks

Compile, install, configure, and support software applications

Support automation and configuration management initiatives

Collaborate with engineering/operations teams to resolve issues and improve performance

Document configurations, procedures, and troubleshooting steps

Participate in upgrades, maintenance windows, and operational support activities

Required Qualifications

Active TS/SCI with Polygraph

Linux administration experience with one or more of the following:

RHEL, CentOS, Rocky Linux, SLES, Ubuntu

Experience with:

Linux installation/configuration

File system administration

TCP/IP networking fundamentals

OS and application troubleshooting

Bash scripting

Software compilation and installation

Strong analytical troubleshooting skills and ability to work both independently and on a team

Nice to Have (Strongly Preferred)

Exposure to or understanding of High-Performance Computing (HPC) environments

Experience supporting large-scale enterprise or mission-critical infrastructure

Familiarity with high-speed networking such as InfiniBand and/or Slingshot

Tools/Platforms:

Jira, Confluence, Grafana, Prometheus, Nagios, Slurm, Git, Salt, Ansible

Storage / Networking Experience (A Plus)

If you have a background in storage, networking, or infrastructure engineering, you're highly encouraged to apply.

Storage technologies (preferred):

Lustre configuration/administration/troubleshooting

DDN Exascaler appliances

Storage fabric design/support

Storage performance tuning/optimization

Networking technologies (preferred):

Enterprise routing/switching (Cisco / Juniper / Arista)

Bonus (emerging tech exposure):

E1000 Storage Systems, ESNs, DAOS, Weka

Benchmarking/diagnostics tools:

IOR, iperf, FIO, lnet_selftest

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

M-1

Ref: #851-Rockville-S1

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

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