Mid-Level Linux System Administrator

Oasys•Huntsville, AL

3d•Onsite

About The Position

OASYS, INC. is seeking a Mid-Level Linux System Administrator to support an ARMY customer onsite at Redstone Arsenal, Huntsville, AL. The role involves working with a diverse team to monitor, update, and support a digital simulation lab that serves as an independent test platform for the THAAD weapons system. The ideal candidate will have a strong background in Linux, networking, and security, with configuration management knowledge being a plus. Responsibilities include performing firmware and software updates, network configurations, standing up new systems, installing and maintaining system hardware and software on multiple Linux platforms (RHEL 7-10), configuring and maintaining network switches, providing user support, conducting cybersecurity scans, troubleshooting hardware and software issues, managing user accounts on classified systems with multi-factor authentication, performing system backups and restores, developing Plans of Action & Mitigation (POA&M) for DISA STIG deviations, automating Operating System builds using tools like Ansible, and populating DISA STIG checklists and using DISA STIG tools and documents, including Evaluate-STIG software for vulnerability scanning.

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.
Excellent communication skills both oral and written.
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.
Ability to obtain and maintain a DoD Secret Clearance.

Nice To Haves

Knowledge with a configuration management focus is a plus.
Previous experience in configuration management and automated Operating System build.
Strong Cybersecurity knowledge.
Ansible is also a plus.
An Active Secret Clearance is highly desired.

Responsibilities

Monitor, update, and support a digital simulation lab.
Perform firmware updates, software updates, network configurations, and standing up new systems.
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.
Develop Plans of Action & Mitigation (POA&M) to document deviations from approved DISA STIG requirements.
Automate Operating System builds (Ansible).
Populate DISA STIG checklists.
Use DISA STIG tools and documents.
Use Evaluate-STIG software for vulnerability scanning.