Saalex

Engineering and IT services for defense

Computational Systems Engineer

Platform EngineeringConfirmed live in the last 24 hours

Full-timeRidgecrest, CA, USA

About the Job

Requirements

Deep technical expertise with Red Hat OpenShift, including extensive experience implementing and operating disconnected or air-gapped OpenShift environments.
Strong proficiency with Ansible and Ansible Automation Platform (AAP) for enterprise-scale automation.
Strong Linux systems administration experience.
Experience with virtualization technologies, including KubeVirt and/or OpenShift Virtualization, and virtual machine lifecycle management.
Experience developing or maintaining Infrastructure-as-Code and automated provisioning or configuration workflows.
Ability to work within secure, offline, classified, or highly regulated computing environments.
Technical documentation skills, including the ability to develop operational procedures and runbooks that generalized System Administrators can follow.
Bachelor’s degree in Computer Science or a related technical field, or a Certified Senior System Administrator credential.
Active TS/SCI security clearance; obtaining a clearance requires U.S. citizenship and a security investigation.

Responsibilities

Architect and design Red Hat OpenShift solutions for air-gapped High-Performance Computing environments, including offline installation, update strategies, and integration of GPU/vGPU resources for virtual machines.
Lead the initial implementation and ongoing evolution of OpenShift clusters, Ansible Automation Platform workflows, and Infrastructure-as-Code solutions.
Develop and refine Ansible playbooks and Ansible Automation Platform workflows to automate virtual machine provisioning, configuration, redeployment, and routine administrative activities.
Design automation that abstracts technical complexity and enables generalized System Administrators to perform routine operational tasks reliably.
Develop technical documentation, runbooks, and operational guides for long-term administration and sustainment.
Design virtual machine templates, resource-allocation models, and self-service workflows to maximize use of available CPU cores, memory, storage, and vGPU resources.
Establish repeatable processes for content mirroring, offline updates, and GPU device management in disconnected environments.
Collaborate with security, High-Performance Computing, and operations teams during architecture, design, implementation, and transition activities.
Ensure delivered solutions meet applicable classification, security, performance, maintainability, and operational requirements.
Perform other duties as assigned.

Desired Qualifications

Experience integrating and managing GPU/vGPU resources within virtualized or containerized environments.
Familiarity with High-Performance Computing architectures and resource-scheduling concepts.
Experience designing virtual machine templates and resource-allocation strategies involving CPU cores, memory, storage, and GPU/vGPU resources.
Experience developing self-service or automated virtual machine provisioning workflows.
Familiarity with offline content mirroring, disconnected software repositories, and update management.
Experience collaborating with security, High-Performance Computing, infrastructure, and operations teams in classified or Department of Defense-style environments.

Computational Systems Engineer

Saalex · Ridgecrest, United States · Full-time · Posted 2026-10-28

Salary: USD 135,000–190,000

Workplace: on_site

Department: NAWCWD RDT&E -OTA

Description

Saalex is seeking a Computational Systems Engineer (CSE) in China Lake, CA. The selected candidate will be responsible for the architecture, design, initial implementation, automation, and comprehensive documentation of highly customized Red Hat OpenShift environments supporting virtual machines across multiple air-gapped, classified High-Performance Computing (HPC) systems. This position will develop a mature, automated platform that enables System Administrators (SAs) to perform routine operations, maintenance, and VM lifecycle activities without requiring specialized expertise in OpenShift, disconnected environments, or advanced automation.

Position Type: Full-Time, Exempt
Salary: $135k-$190k (depending upon experience) - $5k relocation/sign on bonus available!
Work Location: Onsite – China Lake/Ridgecrest, CA.

Essential Functions:

Architect and design Red Hat OpenShift solutions for air-gapped HPC environments, including offline installation, update strategies, and integration of GPU/vGPU resources for virtual machines.
Lead the initial implementation and ongoing evolution of OpenShift clusters, Ansible Automation Platform (AAP) workflows, and Infrastructure-as-Code (IaC) solutions.
Develop and refine Ansible playbooks and AAP workflows that automate VM provisioning, configuration, redeployment, and routine administrative activities.
Design automation that abstracts technical complexity and enables generalized System Administrators to reliably perform routine operational tasks.
Develop clear and comprehensive technical documentation, runbooks, and operational guides to support long-term administration and sustainment.
Design VM templates, resource-allocation models, and self-service workflows that maximize utilization of available CPU cores, memory, storage, and vGPU resources.
Establish repeatable and sustainable processes for content mirroring, offline updates, and GPU device management within disconnected environments.
Collaborate with security, HPC, and operations teams during architecture, design, implementation, and transition activities.
Ensure delivered solutions meet applicable classification, security, performance, maintainability, and operational requirements.
Perform other duties as assigned.

Requirements

Required:

Deep technical expertise with Red Hat OpenShift, including extensive experience implementing and operating disconnected/air-gapped OpenShift environments.
Strong proficiency with Ansible and Ansible Automation Platform (AAP) for enterprise-scale automation.
Strong Linux systems administration experience.
Experience with virtualization technologies, including KubeVirt and/or OpenShift Virtualization, and virtual machine lifecycle management.
Experience developing or maintaining Infrastructure-as-Code and automated provisioning/configuration workflows.
Demonstrated ability to work within secure, offline, classified, or highly regulated computing environments.
Strong technical documentation skills with the ability to develop operational procedures and runbooks that can be followed by generalized System Administrators.

Desired:

Experience integrating and managing GPU/vGPU resources within virtualized or containerized environments.
Familiarity with High-Performance Computing (HPC) architectures and resource scheduling concepts.
Experience designing VM templates and resource-allocation strategies involving CPU cores, memory, storage, and GPU/vGPU resources.
Experience developing self-service or automated VM provisioning workflows.
Familiarity with offline content mirroring, disconnected software repositories, and update management.
Experience collaborating with security, HPC, infrastructure, and operations teams in classified or DoD-style environments.

Education:

Bachelor’s degree in Computer Science or a related technical field OR Certified Senior System Administrator (SA) credential required.

Security Clearance:

Active TS/SCI security clearance required. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

Benefits

Employer Paid Health Care Plans for Employees & Family
Retirement Plan (401k, IRA)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off (Vacation, Sick & Public Holidays)
Short Term & Long Term Disability
Training & Development
Wellness Resources
Stock Option Benefit

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About the Company

Saalex

Engineering and IT services for defense

Saalex Solutions provides engineering and IT services focused on defense and government clients. It supports test range operations and management, engineering and logistics, data analytics and business intelligence, and IT services. The company differentiates itself as a Service-Disabled Veteran-Owned organization with extensive government experience, prime and subcontracting capabilities, and a nationwide footprint with offices in California, Florida, and Washington. Its goal is to help national defense and other agencies carry out complex operations reliably by delivering practical, technically capable services and data-driven solutions tailored to mission needs.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Camarillo, CA
Founded: 1999

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