Sysadmin Jobs
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System Administrator - Linux

Techximius

Onsite (Aberdeen, Maryland) Senior Level $115k - $130k/yr
Posted 4 weeks ago

Skills

Linux System Administration CentOS DNS Services System Hardening Vulnerability Assessment Storage Area Networks Virtualization TCP/IP Networking Puppet Red Hat Satellite Spacewalk Security+ CASP Patch Management Cybersecurity Compliance

About the Role

System Administrator - Linux


Overview

Tech(x) is seeking a skilled Linux System Administrator to support mission-critical systems within a technical lab environment. This role is responsible for administering, securing, and optimizing enterprise Linux systems supporting Army and DoW network operations.


As part of a collaborative and forward-leaning team, you will contribute to system hardening, vulnerability assessment activities, and enterprise service support across a complex, multi-domain environment.

 

Responsibilities

  • Provide system administration support for C4ISR DREN Linux environments 
  • Manage and maintain C5ISR Linux-based DNS services and enterprise Linux baselines (e.g., CentOS) 
  • Develop, implement, and maintain secure system configurations and patch management processes 
  • Support network vulnerability assessments in coordination with cybersecurity teams 
  • Provide subject matter expertise (SME) in Linux system administration, security, and enterprise deployments 
  • Administer and support enterprise infrastructure services, including: 
  • Storage Area Networks (SAN) 
  • Virtualization platforms 
  • Windows-based systems (as needed) 
  • Monitor system performance, ensure availability, and troubleshoot system issues 
  • Develop and maintain backup and recovery procedures 
  • Ensure compliance with DoD cybersecurity and authorization requirements 
  • Collaborate with cross-functional engineering and operations teams
  • Other duties as assigned


Qualifications

  • Demonstrated Linux System Administrator expertise (SME-level preferred) 
  • Strong understanding of: 
  • TCP/IP networking 
  • System security and authorization frameworks 
  • Server configuration, monitoring, and maintenance 
  • Experience with configuration management tools such as: 
  • Puppet
  • Spacewalk / Red Hat Satellite
  • Ability to clearly communicate technical concepts to both technical and non-technical stakeholders 
  • Experience supporting enterprise or tactical network environments


Preferred Qualifications

  • DoD 8570 / Army IA Technical Level II certification, such as:
  • Security+ 
  • CASP 

 

Clearance:

 

  • Current DoW Secret level security clearance or higher.


Education & Experience:


  • Bachelor’s degree in Computer Science, Engineering, Mathematics, or related technical field
    (OR) 
  • 4+ additional years of relevant experience in lieu of degree 
  • 3–7 years of hands-on system administration experience in Linux environments 


Location:

 

  • Aberdeen Proving Grounds, Maryland. 
  •  On site.
  • Monday-Friday 8:00 am to 5:00 pm. Schedule flexing is available with the PM’s approval. 

 

Travel:

 

none

Physical Requirements:

  • Prolonged periods of sitting at a desk and working on a computer.
  • Must be able to lift up to 25 pounds at times.
  • This position requires the ability to communicate information and ideas so others will understand. 
  • Must be able to exchange accurate information in work situations.
  • Must be able to travel by public transportation. 



Join the Team: 


Tech(x) is a customer centric team, both external and internal customers. This team supports each other to be successful on the job and in meeting the mission. Tech(x) is an Equal Opportunity Employer.


 



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