Journeyman Systems Administrator

Saalex

Ridgecrest (CA)

On-site

USD 50,000 - 52,000

Part time

14 days+

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Benefits offered by this job

Flexible 20–25 hour schedule
Alternate Fridays off (9/80)
DoD credential sponsorship
CEUs and professional development

Job summary

Saalex is seeking a Senior Red Hat & Cloud Systems Administrator in Ridgecrest, CA for a part-time onsite role supporting DoD test range systems. The position combines on-prem Linux with AWS cloud and DevSecOps tooling, offering 20–25 hours per week.

You will deploy, harden, and automate environments, maintain CI/CD pipelines, and apply DISA RMF controls, with growth opportunities and DoD credential sponsorship.

Qualifications

  • Active RHCSA or RHCE certification.
  • Active DoD 8570/8140 IAT Level II certification.
  • Experience with core AWS services and scripting/automation.
  • Knowledge of DISA STIGs and RMF controls.
  • 3–5 years Linux system administration experience or equivalent with certifications.

Responsibilities

  • Deploy, configure, and administer multi-distribution Linux environments (RHEL, CentOS, Ubuntu).
  • Support and maintain scalable AWS infrastructure (VPC, EC2, S3, IAM).
  • Automate provisioning and deployments with Ansible, Terraform, or CloudFormation.
  • Apply DISA STIGs, remediate vulnerabilities, and align with RMF controls.
  • Maintain CI/CD pipelines (GitLab CI/CD, Jenkins) for reliable releases.
  • Monitor systems, troubleshoot networking, and perform security hardening.

Skills

RHCSA/RHCE
DoD 8570/8140
AWS
Bash
Python
Ansible
Terraform
Jenkins
GitLab CI/CD

Education

Bachelor’s degree in a technical discipline

Tools

AWS CloudFormation
Docker
Kubernetes
Jira
Confluence
Git

Job description

Saalexis seeking aJourneyman Systems AdministratorinRidgecrest, CA.Saalex is an Engineering and Information Technology Services company with a focus on Test Range Operations and Management, Engineering and Logistics Services, Data Analytics and Business Intelligence Services and Information Technology Services.

Position Type:Part-Time

Salary:$36.00-$38.00 Hourly (depending upon experience)

Work Location:Full-time onsite at China Lake, CA.

About the Opportunity:

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.

Why You’ll Love Working With Us:
  • True Work-Life Flexibility: Guaranteed 20-25 hours per week with adaptable scheduling around core operational windows.
  • Alternate Fridays Off (9/80 Schedule): Enjoy standard three-day weekends every other week.
  • Modern Tooling & Autonomy: Drive technical solutions across AWS cloud infrastructure, modern CI/CD pipelines, and infrastructure-as-code automation.
  • Direct Mission Impact: Support real-time systems essential to naval air warfare test ranges and national defense readiness.
  • Continuous Growth & Mentorship: Full sponsorship for DoD cyber credentials, technical training, and professional development units (CEUs) to help you advance your career.
Key Responsibilities:

As our Linux and Cloud systems resource, you will perform hands‑on administration, hardening, and automation across both classified and unclassified environments:

  • Enterprise Linux Administration: Deploy, configure, and administer multi-distribution Linux environments (primarily Red Hat Enterprise Linux [RHEL], CentOS, and Ubuntu) supporting real-time servers, lab environments, and field engineering workstations.
  • AWS Cloud Engineering: Support, deploy, and maintain scalable AWS infrastructure utilizing VPC, EC2, EBS, S3, IAM, CloudWatch, RDS, and EFS.
  • Infrastructure as Code & Automation: Automate routine provisioning, configuration, and deployments using Ansible, Terraform, or AWS CloudFormation.
  • System Hardening & Compliance: Apply DISA Security Technical Implementation Guides (STIGs), evaluate Nessus/ACAS scan findings, and remediate vulnerabilities in alignment with DoD Risk Management Framework (RMF) controls.
  • CI/CD & DevSecOps Enablement: Support and maintain continuous integration/continuous deployment pipelines (GitLab CI/CD, Jenkins, AWS CodePipeline) to enable reliable, secure software releases.
  • Performance & Network Tuning: Proactively monitor server health, perform root‑cause analysis on system alerts, and troubleshoot network routing (TCP/IP, DNS, firewalls, and load balancing).
  • Identity & Access Management: Administer user accounts, role‑based privileges, and group security policies in accordance with DoD and Navy cybersecurity directives.
  • Agile Collaboration: Participate in Agile/Scrum sprint coordination, providing dependable infrastructure and deployment support to software developers, test engineers, and cyber leads.
  • Other duties as assigned.
Required:
  • 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.
  • Bachelor’s degree in a technical discipline with 3-5 years of hands‑on Linux system administration experience, OR 3-5+ years of practical Linux experience with requisite certifications.
Desired:
  • 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.
Education:
  • Bachelor’s degree in a technical discipline with 3-5 years of hands‑on Linux system administration experience, OR 3-5+ years of practical Linux experience with requisite certifications.
Security Clearance:
  • Must possess an activeSecret clearancewith the ability to gain and maintain aTop-Secret clearance. Requirements to obtain a clearance include US Citizenship, security investigation, etc.
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