System Administrator (All Levels) – Linux / HPC / Network / Storage

Staffing-Agency-Recruitment; Maryland; On-site; USD 100,000 - 200,000; Full time

Benefits offered by this job

Comprehensive Benefits

Relocation Assistance

401(k) with company match

Job summary

Staffing-Agency-Recruitment in Maryland and Utah seeks experienced Linux professionals to support mission-critical environments. You will administer Linux systems, manage HPC, storage, networking, and platform engineering in highly customized infrastructure.

We require an active TS/SCI clearance with NSA Full Scope Polygraph, U.S. citizenship, and the ability to work onsite. Familiarity with RHEL, SLES, HPC, and automation will be valued.

Qualifications

• Active TS/SCI security clearance and NSA Full Scope Polygraph.
• U.S. Citizenship required.
• Professional Linux system administration experience across major distros (RHEL, CentOS, Rocky Linux, SLES, Ubuntu).

Responsibilities

• Administer, maintain, and troubleshoot complex Linux environments.
• Install, configure, upgrade, and support Linux OS and applications.
• Work with RHEL, CentOS, Rocky Linux, SLES, Ubuntu and other distros.
• Manage file systems, networking services, system resources, and applications.
• Diagnose and resolve OS and application issues.
• Develop Bash scripts to automate tasks.
• Compile, install, configure, and maintain software applications.
• Support automation and configuration-management initiatives.
• Monitor performance, availability, and reliability.
• Participate in upgrades, maintenance, and optimization.
• Collaborate with engineering and operations teams.
• Document configurations, procedures, and troubleshooting solutions.

Skills

Linux administration

Networking

Scripting

Troubleshooting

Independent work

Team collaboration

Tools

Prometheus

Grafana

Jira

Confluence

Slurm

InfiniBand

Slingshot

Arista

Job description

• Professional Linux system administration experience.
• Red Hat Enterprise Linux (RHEL)
• SUSE Linux Enterprise Server (SLES)
• Operating-system troubleshooting.
• HPC architectures
• Storage fabric design
• Prometheus

Network | Storage | Platform | HPC

Locations: Maryland or Utah

Work Arrangement: 100% Onsite

Salary: $100,000–$200,000

Clearance: Active TS/SCI with NSA Full Scope Polygraph REQUIRED

Citizenship: U.S. Citizenship Required

Travel: None

Employment: Full-Time

Benefits: Comprehensive Benefits + Relocation Assistance

Are You a Cleared Linux Engineer Looking for a More Technical Challenge?

We are looking for experienced Linux System Administrators, Network Engineers, Storage Engineers, Platform Engineers, and HPC professionals to support complex, mission‑critical environments in Maryland and Utah.

This is an opportunity to work with highly customized Linux infrastructure, high‑performance computing environments, advanced networking, enterprise storage, automation, and mission‑critical systems.

If you enjoy troubleshooting difficult technical problems, working with complex infrastructure, and digging deeper when the standard solution doesn't work, this could be an excellent fit.

IMPORTANT CLEARANCE REQUIREMENT

You must be a U.S. Citizen with an ACTIVE TS/SCI clearance and NSA Full Scope Polygraph to be considered.

Candidates with a Full Scope Polygraph that was completed more than 7 years ago may still be considered depending on experience and program requirements.

What You'll Do

• Administer, maintain, and troubleshoot complex Linux environments.
• Install, configure, upgrade, and support Linux operating systems and applications.
• Work with RHEL, CentOS, Rocky Linux, SLES, Ubuntu, and other Linux distributions.
• Manage file systems, networking services, system resources, and applications.
• Diagnose and resolve operating‑system and application issues.
• Develop Bash scripts to automate system administration and operational tasks.
• Compile, install, configure, and maintain software applications.
• Support infrastructure automation and configuration‑management initiatives.
• Monitor system performance, availability, and reliability.
• Participate in upgrades, maintenance, optimization, and operational support.
• Work closely with engineering and operations teams to resolve complex infrastructure problems.
• Document system configurations, procedures, and troubleshooting solutions.

Regardless of your specialization, all team members contribute to core Linux system administration and mission sustainment activities.

Core QualificationsRequired

• Active TS/SCI security clearance
• Active NSA Full Scope Polygraph
• U.S. Citizenship
• Professional Linux system administration experience.
• Experience with one or more major Linux distributions, including:
• Red Hat Enterprise Linux (RHEL)
• CentOS
• Rocky Linux
• SUSE Linux Enterprise Server (SLES)
• Ubuntu
• Linux installation and configuration experience.
• File-system administration.
• TCP/IP networking.
• Operating‑system troubleshooting.
• Application troubleshooting.
• Bash scripting.
• Software compilation and installation.
• Strong analytical and problem‑solving abilities.
• Ability to work independently and as part of a technical team.

Specialized Experience That Will Make You Stand Out

We are particularly interested in candidates with backgrounds in HPC, storage, networking, platform engineering, or large‑scale infrastructure.

High‑Performance Computing

• HPC architectures
• Slurm
• High‑speed computing environments
• Large‑scale enterprise or mission‑critical infrastructure

Networking

• TCP/IP
• Storage networking
• InfiniBand
• Slingshot
• Cisco
• Juniper
• Arista
• Enterprise routing and switching

Storage

• Lustre
• DDN Exascaler
• Storage fabric design
• Storage implementation and support
• Storage performance tuning
• Storage optimization

Automation & Configuration Management

• Ansible
• Salt
• Git
• Bash
• Infrastructure automation
• Configuration management

Monitoring & Operations

• Grafana
• Prometheus
• Nagios
• Jira
• Confluence

Emerging Technologies

• E1000 Storage Systems
• Elastic Storage Nodes (ESNs)
• DAOS
• Weka Data Platform

Performance & Benchmarking

• IOR
• iperf
• FIO
• lnet_selftest

Multiple Engineering Backgrounds Welcome

You don't have to be an expert in every technology listed above.

We encourage applications from professionals whose primary background is in:

Linux System Administration

Network Engineering

Storage Engineering

Platform Engineering

HPC Engineering

Infrastructure Engineering

The common requirement is strong Linux administration capability combined with the required TS/SCI + NSA Full Scope Polygraph clearance.

What Makes a Successful Candidate?

• Take ownership of difficult infrastructure issues.
• Enjoy troubleshooting complex systems.
• Can investigate problems beyond standard procedures.
• Are comfortable working in highly customized environments.
• Learn new technologies quickly.
• Communicate effectively with engineering and operations teams.
• Take pride in system reliability and mission success.
• Want to continuously expand their technical expertise.

Benefits

• 3 weeks paid time off
• 11 federal holidays
• Medical coverage
• Dental coverage
• Short-term disability
• Long-term disability
• Life insurance
• AD&D coverage
• 401(k) with up to 4% company match
• Relocation assistance

Why Apply?

If you're an experienced cleared Linux or infrastructure professional who wants to work on complex mission‑critical systems rather than routine IT environments, this opportunity offers the chance to apply your skills across Linux, HPC, networking, storage, automation, and platform engineering.

Your expertise doesn't need to cover every technology listed. Strong Linux administration skills plus the required clearance are the foundation.

Ready to take on a more technically challenging infrastructure environment?

Skills: initiative, ownership, and willingness to learn new technologies,ability to work independently,ability to investigate complex technical issues,strong collaboration and communication skills,strong analytical and troubleshooting abilities