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Linux System Administrator with Security Clearance

Shadowgate Partners, Inc.Fairfax, VA🇺🇸United StatesPosted 21 Jul 2026

Why This Role Stands Out

As a Linux System Administrator with a security clearance, you'll play a vital role in maintaining and upgrading a large enterprise Linux system, offering excellent career growth and the chance to develop expertise in both traditional and cloud environments. This hybrid role with a competitive $100,000 salary is ideal for a proactive problem-solver who thrives in a collaborative technical setting. Apply today to contribute to critical infrastructure and expand your skills!

Quick Overview

Salary
$100k/yr
Work Type
Hybrid
Level
Mid Senior

Job Description

Shadowgate Partners' client is seeking a Linux System Administrator to join their team for a large Linux enterprise system, the primary responsibility of the System Administrator will be to maintain, upgrade and provide support for Linux operating systems and infrastructure. The candidate needs to be able to diagnose and resolve problems and respond to issues in a timely manner. The individual should be able to easily communicate technical concerns and solutions to people with varying degrees of technical knowledge as well as work with said individuals to resolve technical issues. Responsibilities also include but are not limited to maintaining system infrastructure, supporting upgrades and patches for security and application support, testing patches prior to pushing to the enterprise, and testing/building new and existing servers. The ideal candidate would have experience in a traditional bare metal and VM environment as well as cloud environments with a desire to gravitate more to the latter. Responsibilities and Duties • Proactively manage system infrastructure including databases, testing computer equipment, and other software and hardware
• Provide technical support for both hardware and software issues that may arise
• Perform system monitoring and analysis verifying the integrity and availability of all hardware, performance tuning and troubleshooting of servers, software and hardware, and respond to anomalies
• Regularly upgrade system software and firmware as required
• Assist in integrating new applications and technologies into the current system Qualifications and Skills • BS degree in Computer Science or similar field preferred; relevant work experience may be substituted
• 5+ years of experience as a system administrator
• In-depth knowledge and experience with Linux operating system
• Good knowledge of several scripting languages
• GitLab and Puppet experience desirable
• GPFS/IBM ESS experience desirable
• Experience with cloud environments and architectures under K8s orchestration desirable
• General understanding of IP networks, switching, subnets and VLANs
• General understanding of hardware to include servers, blade chassis, fiber channels, SANs
• Ability to respond to support requests after hours
• Flexible and able to adapt to rapidly changing environment
• Knowledge of system security concerns and vulnerabilities
• Experience with RH Directory Server or FOSS alternatives
• Good problem-solving abilities
• Positive, self-motivated individual who can complete tasks independently
• IA certification (either Security+ or CISSP) Travel Willingness to travel to customer sites preferred. Travel usually not to exceed 25%. Benefits The company offers a strong total compensation package built around flexibility and long-term security. It contributes an amount equal to 25% of annual salary into an Individual Benefits Account (IBA), which employees can use to cover health, dental, and vision premiums, out-of-pocket medical costs, childcare, and PTO; any unused balance at year-end is paid out as income the following January. Full-time employees receive 8 weeks (320 hours) of all-inclusive paid time off, covering vacation, holidays, and sick leave, with no mandatory leave policy. An additional 25% of annual salary is contributed to employees' 401(k) retirement accounts, with immediate 100% vesting and no waiting period — meaning a $100,000 base salary translates to roughly $150,000 in total compensation. Beyond these core benefits, employees receive fully company-paid Basic Life, Short Term and Long Term Disability, Identity Theft Insurance, Secure Travel, and Health Advocate services, plus 50% coverage for Cancer Indemnity Insurance, along with optional coverage for Accident Protection, Legal Services, Supplemental Long Term Disability, Supplemental Voluntary Life, and Child Life Insurance. Employees also receive 100% reimbursement for tuition, books, and job-relevant certifications for Bachelor's, Master's, and PhD programs.

Skills

Fiber
Puppet

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