System Administrator

System One

Annapolis Junction, MD

JOB DETAILS
SALARY
$150,000–$150,000 Per Year
SKILLS
Administrative Skills, Analysis Skills, Ansible, Atlassian JIRA, Automation, Bash Scripting, Benchmarking, Broadband, CentOS, Configuration Management, Environmental Issues, File Management, File Systems, Git, Identify Issues, Linux Administration, Linux Operating System, Microsoft Windows System Administration, NFS (Network File System), Nagios Monitoring Tool, Operating Systems, Operational Support, Outsourcing, Performance Management, Performance Tuning/Optimization, Problem Solving Skills, Red Hat Linux Operating System, Sensitive Compartmented Information (SCI), Service Delivery, Software Administration, Software Configuration Management, Software Installation, Storage Software, System Operations, Systems Administration/Management, Systems Maintenance, TCP/IP (Transmission Control Protocol/Internet Protocol), Testing, Top Secret Clearance, Ubuntu
LOCATION
Annapolis Junction, MD
POSTED
3 days ago

System Administrator – TS/SCI w/ Polygraph

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 Polygraph (required)

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


About the Company

S

System One

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 

Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

COMPANY SIZE
2,500 to 4,999 employees
INDUSTRY
Staffing/Employment Agencies
WEBSITE
https://systemone.com