System Administrator (Mid/Senior) – TS/SCI Full Scope Poly
📍 Locations: Annapolis, MD or Bluffdale, UT
🏢 Work Arrangement: 100% Onsite
💼 Employment Type: Full-Time
🔒 Security Clearance Required: Active TS/SCI with Full Scope Polygraph (NSA Preferred)
🇺🇸 Citizenship: U.S. Citizen Required
🚫 Visa Sponsorship: Not Available
🚚 Relocation Assistance: Available
💰 Compensation: $100,000 – $200,000 Base Salary
Overview
A leading government technology contractor is seeking System Administrators (Mid-Level and Senior-Level) to support mission-critical operations across highly secure environments in Maryland and Utah.
These positions support high-performance computing (HPC) infrastructure, mission operations sustainment, and complex Linux-based enterprise environments. Candidates may come from Linux System Administration, Platform Engineering, Storage Engineering, or Network Engineering backgrounds, but all team members are expected to perform core Linux administration responsibilities.
This is an excellent opportunity for cleared professionals who enjoy solving complex technical problems and supporting some of the nation's most critical missions.
Key Responsibilities
Linux System Administration
Install, configure, and administer Linux operating systems.
Manage system resources, file systems, and networking services.
Perform operating system maintenance, upgrades, and patching.
Support software installation, compilation, and configuration.
Operations & Infrastructure Support
Monitor mission-critical systems and infrastructure.
Troubleshoot operating system and application issues.
Maintain system reliability, availability, and performance.
Participate in operational sustainment activities.
Automation & Configuration Management
Develop and maintain Bash scripts.
Support infrastructure automation initiatives.
Contribute to configuration management processes.
Improve operational efficiency through automation.
Collaboration & Troubleshooting
Work closely with engineering and operations teams.
Investigate and resolve complex technical issues.
Document configurations, procedures, and troubleshooting methodologies.
Participate in system upgrades and maintenance windows.
Required Qualifications
Security Requirements
✔ Active TS/SCI Clearance
✔ Active Full Scope Polygraph (NSA Preferred)
✔ U.S. Citizenship Required
Linux Administration Experience
Strong experience supporting one or more of:
Red Hat Enterprise Linux (RHEL)
CentOS
Rocky Linux
SUSE Linux Enterprise Server (SLES)
Ubuntu
Required expertise with:
Linux installation and configuration
File system administration
TCP/IP networking
Operating system troubleshooting
Application troubleshooting
Bash scripting
Software compilation and installation
Preferred Technical Experience
High Performance Computing (HPC)
HPC environments
Large-scale enterprise infrastructure
Mission-critical computing systems
Monitoring & Operations Tools
Jira
Confluence
Grafana
Prometheus
Nagios
Slurm
Git
Salt
Ansible
Storage Engineering Experience (Preferred)
Candidates with storage engineering backgrounds are highly desirable.
Experience with:
Lustre File System
DDN Exascaler
Storage fabrics
Storage architecture
Performance tuning
Storage optimization
Emerging Storage Technologies
Exposure to:
E1000 Storage Systems
Elastic Storage Nodes (ESNs)
DAOS
Weka Data Platform
Network Engineering Experience (Preferred)
Experience with:
TCP/IP Networking
Enterprise Routing & Switching
Storage Networking
Preferred vendor experience:
Cisco
Juniper
Arista
High-Speed Networking
InfiniBand
Slingshot
Performance & Benchmarking Tools
Experience with one or more of:
IOR
iperf
FIO
lnet_selftest
Must-Have Requirements
Clearance
✅ Active TS/SCI Clearance
✅ Active Full Scope Polygraph (NSA Preferred)
Linux Administration
✅ Linux System Administration Experience
✅ Bash Scripting
✅ TCP/IP Networking
✅ OS & Application Troubleshooting
Soft Skills
✅ Strong Analytical Skills
✅ Strong Troubleshooting Ability
✅ Ability to Work Independently
✅ Team Collaboration Skills
Screening Questions
Do you currently hold an active TS/SCI clearance with a Full Scope Polygraph?
Was your Full Scope Polygraph issued by NSA?
When was your most recent Full Scope Polygraph completed?
How many years of Linux administration experience do you have?
Which Linux distributions have you supported (RHEL, CentOS, Rocky, Ubuntu, SLES, etc.)?
Do you have experience with Bash scripting and automation?
Have you supported large-scale enterprise or HPC environments?
Do you have experience with storage technologies such as Lustre, DDN, DAOS, or Weka?
Do you have networking experience with Cisco, Juniper, Arista, InfiniBand, or Slingshot?
Are you willing to work onsite full-time in either Annapolis, MD or Bluffdale, UT?
Ideal Candidate Profile
The ideal candidate will:
Hold an active TS/SCI Full Scope Polygraph.
Have strong Linux administration experience.
Thrive in highly customized, mission-critical environments.
Enjoy troubleshooting complex technical challenges.
Demonstrate curiosity and continuous learning.
Be comfortable supporting storage, networking, or platform infrastructure.
Possess strong analytical and problem-solving skills.
Work effectively both independently and within collaborative engineering teams.
Candidate Snapshot
Requirement
Details
Clearance
Active TS/SCI + Full Scope Poly
Citizenship
U.S. Citizen
Experience Level
Mid-Level to Senior
Linux Expertise
RHEL, CentOS, Rocky, Ubuntu, SLES
Scripting
Bash
Environment
Mission-Critical / HPC
Location
Annapolis, MD or Bluffdale, UT
Work Arrangement
100% Onsite
Travel
None
Compensation
$100K – $200K
Relocation
Available
Why This Opportunity?
Mission Impact
Support highly classified systems critical to national security operations.
Technical Challenge
Work in complex, large-scale Linux and HPC environments that demand advanced troubleshooting and engineering skills.
Career Growth
Gain exposure to cutting-edge storage, networking, automation, and high-performance computing technologies.
Excellent Benefits
3 Weeks PTO
11 Federal Holidays
Medical & Dental Coverage
Life Insurance
STD & LTD Coverage
401(k) with Company Match
Long-Term Career Stability
This opportunity is ideal for a Linux System Administrator, Platform Engineer, Storage Engineer, Infrastructure Engineer, HPC Administrator, Network Engineer, or Systems Engineer with an active TS/SCI Full Scope Polygraph looking to support highly impactful government missions.