Onsite Cybersecurity Systems Administrator (Journeyman)

Saalex Corp.; California, Northern (MO, KY); Hybrid; USD 95,000 - 110,000; Full time

Benefits offered by this job

Health Care Plan

Retirement Plan

Life Insurance

Paid Time Off

Short Term & Long Term Disability

Training & Development

Wellness Resources

Stock Option Benefit

Job summary

Saalex Corp. in China Lake, CA is seeking a Journeyman Cybersecurity Systems Administrator to support mission systems across Windows and RHEL environments. The role focuses on securing, configuring, and sustaining systems for engineering and testing activities.

You will develop secure baselines, deploy images, perform vulnerability scans, and ensure RMF and DISA STIG compliance, while collaborating with developers, government personnel, and field teams.

Qualifications

• Three+ years in Windows and/or Linux systems administration.
• Experience supporting DoD or similarly regulated environments.
• Ability to troubleshoot, document, and communicate clearly.

Responsibilities

• Administer Windows 10/11, Windows Server, and RHEL 8/9 systems.
• Develop and maintain secure Windows and Linux baseline images.
• Create Windows Answer Files (Unattend.xml) and Linux Kickstart deployment files.
• Install, configure, patch, and troubleshoot operating systems and mission software.
• Execute ACAS and SCAP scans and remediate vulnerabilities.
• Apply and maintain DISA STIGs and support RMF compliance.
• Administer Active Directory, GPO, DNS, DHCP and privileged accounts.
• Support VMware, Hyper‑V, backups, disaster recovery, and lifecycle maintenance.
• Troubleshoot network connectivity, VPNs, routers, switches, and firewalls.
• Develop PowerShell or Bash scripts to automate tasks.
• Document system configurations and support software releases.
• Travel to support laboratory integration, testing, and field activities.

Skills

Windows administration

Linux administration

Troubleshooting

Documentation

Communication

DoD/regulated environment experience

Scripting (PowerShell, Bash, Python)

Education

3-10 years relevant experience with required certifications

BA/BS degree

MA/MS degree

Tools

Active Directory

GPO

DNS

DHCP

VMware

Hyper-V

Unattend.xml

Kickstart

ACAS

SCAP

DISA STIGs

RMF

PowerShell

Bash

Python

Job description

Saalex Corp. in China Lake, CA is seeking a Journeyman Cybersecurity Systems Administrator to support mission systems across Windows and RHEL environments. The role focuses on securing, configuring, and sustaining systems for engineering and testing activities.

You will develop secure baselines, deploy images, perform vulnerability scans, and ensure RMF and DISA STIG compliance, while collaborating with developers, government personnel, and field teams.