Demo

Mid-Level Linux System Administrator

OASYS, INC.
Huntsville, AL Full Time
POSTED ON 9/12/2026
AVAILABLE BEFORE 10/11/2026

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:

  • Bachelor's or Master's 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.
  • Bachelor's 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 bachelor's 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 today's technology and our subject matter expertise help to provide full lifecycle support for our client's 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.

www.oasys-incorporated.com

EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: http://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf

Salary.com Estimation for Mid-Level Linux System Administrator in Huntsville, AL
$77,888 to $104,295
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mid-Level Linux System Administrator?

Sign up to receive alerts about other jobs on the Mid-Level Linux System Administrator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$85,059 - $120,527
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at OASYS, INC.

  • OASYS, INC. Colorado, CO
  • Senior Principal Mission Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for Senior Principal Mission Engineer to support... more
  • 10 Days Ago

  • OASYS, INC. Huntsville, AL
  • Software Test Engineer OASYS, INC., a Leading Edge Government contractor in Huntsville Alabama, is seeking applicants for a Software Test Engineer to suppo... more
  • 4 Days Ago

  • OASYS, INC. Huntsville, AL
  • Jr Software Test Engineer OASYS, INC ., a Leading-Edge Government contractor in Huntsville Alabama, is seeking a Jr Software Test Engineer to support our A... more
  • 5 Days Ago

  • OASYS, INC. Huntsville, AL
  • Mid-Level Radar Engineer/Analyst OASYS, INC ., a Leading-Edge Government contractor in Huntsville Alabama, is seeking a Mid-Level Radar Engineer/Analyst to... more
  • 5 Days Ago


Not the job you're looking for? Here are some other Mid-Level Linux System Administrator jobs in the Huntsville, AL area that may be a better fit.

  • Crossflow Technologies Huntsville, AL
  • Job Title: System Administrator (Linux) Location: Huntsville, AL Description: Crossflow Technologies is seeking applicants for an experienced Systems Admin... more
  • 1 Month Ago

  • deciBel Research, Inc. Huntsville, AL
  • deciBel Research has an immediate opening for a Mid-Level System Engineer in Huntsville, AL. Position Description: deciBel Research is seeking a mid-level ... more
  • 30 Days Ago

AI Assistant is available now!

Feel free to start your new journey!