Senior Systems Administrator
Ridgecrest, California, United StatesAll locationsRidgecrest, California, United StatesChina Lake, CA Hybrid
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About the role
Are you an experienced Red Hat Certified System Administrator (RHCSA) looking for high-impact technical work paired with the flexibility of a part-time schedule? At Saalex Solutions, we support vital Department of Defense tactical training systems and test range capabilities. We are actively seeking a Senior Red Hat & Cloud Systems Administrator—while targeting a Senior, motivated Journeyman-level professionals with the right mindset, strong technical foundation, and drive to grow are strongly encouraged to apply! In this role, you will help maintain, automate, and modernize mission-critical systems across hybrid enterprise environments—bridging on-premise high-performance Linux enclaves with AWS cloud architectures. This position offers the ideal blend of high technical autonomy, cutting-edge DevSecOps tooling, and a flexible 20–25 hour workweek. As our Linux and Cloud systems resource, you will perform hands-on administration, hardening, and automation across both classified and unclassified environments:
What you'll bring
- Operating System Certification: Active Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE).
- Cybersecurity Baseline (DoD 8140 / 8570 Compliant): Active DoD 8570/8140 IAT Level II certification (e.g., CompTIA Security+ CE, CCNA Security, CySA+, or equivalent).
- Cloud & Automation Exposure: Practical experience with core AWS services (VPC, EC2, S3, IAM) and scripting/automation tools (Bash, Python, Ansible, or Terraform).
- Security Hardening: Familiarity with DISA STIGs, SCAP compliance tools, and vulnerability remediation.
- Master’s degree with 5–7+ years of relevant experience, OR Bachelor’s degree in Computer Science, Information Systems, Engineering, or related technical field with 7–10+ years of hands-on experience, OR 8–10+ years of progressive, hands-on Linux system administration experience (RHEL, CentOS, Ubuntu) and advanced technical proficiency.
- Must possess an active Secret clearance with the ability to gain and maintain a Top-Secret clearance.
- Requirements to obtain a clearance include US Citizenship, security investigation, etc.
- AWS Certified Solutions Architect or AWS Certified SysOps Administrator.
- Hands-on experience with containerization technologies (Docker, Podman, Kubernetes/OpenShift).
- Prior experience supporting Navy/DoD test range facilities (NAWCWD China Lake / Point Mugu or similar SSA environments).
- Familiarity with Atlassian tools (Jira, Confluence) or enterprise Git repositories.