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Mid-Level Linux System Administrator

Oasys


Job Location:

Huntsville, AL - USA

Monthly Salary: Not provided by the employer
Posted: 10 October 2026 (Yesterday)
Application Deadline: 7 January 2027
Vacancies: 1 Vacancy

Job Summary

Mid-Level Linux System Administrator

OASYS INC. a Leading-Edge Government contractor in Huntsville Alabama is seeking a Mid-Level Linux System Administrator to support our ARMY customer onsite at Redstone Arsenal Huntsville AL.

Job Responsibilities include: You will work with a diverse team to monitor update and support a digital simulation lab. Seeking a candidate with a strong background in Linux networking and security. Knowledge with a configuration management focus is a plus. Candidates will perform firmware updates software updates network configurations and standing up new systems. This lab supports an independent test platform for the THAAD weapons system.

  • Installation configuration and maintenance of system hardware and software on multiple Linux platforms to include RHEL 7-10.
  • Network switch configuration and maintenance.
  • Provide support for systems and users.
  • Complete cybersecurity scans for the lab systems.
  • Provide troubleshooting support for hardware and software.
  • Manage user accounts on classified systems using multi-factor authentication.
  • Performing system backups and restores.
  • As required develop Plans of Action & Mitigation (POA&M) to document deviations from approved DISA STIG requirements.
  • Ability to step through automating Operating System builds (Ansible).
  • Must be familiar with populating DISA STIG checklists.
  • Must be familiar with DISA STIG tools and documents.
  • Must be familiar with Evaluate-STIG software for vulnerability scanning.

Minimum Requirements:

  • Bachelors or Masters Degree in Computer Science Engineering Physics Math or a highly related technical field. Years of experience may be substituted for a degree.
  • 3 years of experience with sensor and/or system-level data analysis.
  • Bachelors Degree in Computer Science a related field or equivalent experience.
  • Linux systems administration experience. Classified lab networking and hardware knowledge.
  • Knowledge with a configuration management focus is a plus.
  • The ideal candidate will possess excellent communication skills both oral and written; exhibit the ability to adapt and thrive in a dynamic customer focused work environment.
  • Must be able to work in a team environment.
  • Previous networks experience.
  • Linux and Security certifications.
  • Off Hours support will sometimes be required as mission dictates to support test events.
  • Up to 10-20% travel with minimal Off Hours support will sometimes be required as mission dictates to support test events.

Preferred Requirements:

  • Previous experience in configuration management and automated Operating System build.
  • Strong Cybersecurity knowledge.
  • Ansible is also a plus.

Required Education: Candidates should possess a bachelors degree preferably in Engineering Cyber Computer Information Systems Computer Science Math Physics or other STEM discipline however years of experience may be substituted for a degree.

Eligibility: Candidates must have the ability to obtain and maintain a DoD Secret Clearance. An Active Secret Clearance is highly desired.

About OASYS INC.: Located in Huntsville Alabama OASYS INC. is a technology services and products company dedicated to delivering the right solutions to our government and commercial clients. Our innovative solutions combined with todays technology and our subject matter expertise help to provide full lifecycle support for our clients needs.

Benefits: OASYS INC. offers a robust benefit plan to include: BC/BS of Alabama Heath & Dental VSP Vision Employee Stock Ownership Plan (ESOP) 401-K with Matching Flexible Spending Account Tuition Reimbursement Holidays Vacation Short-term/Long-term Disability.

EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: Experience:

Manager


About Company

CUTTING-EDGE SOLUTIONS FOR TOMORROW Founded in 2010, OASYS is a technology services provider based in Huntsville, Alabama with satellite locations in Northern Virginia, Florida, New Mexico and Oklahoma. We are 100% employee-owned and growing with over 130 employees.  OASYS serves in ... View more

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