Senior Systems Administrator – Secret

Xcelerate Solutions

. Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting .

Posted 9/21/2026full-timeRemote • Virginia • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Linux and Windows system administration, including compliance with DISA STIG standards and infrastructure automation using tools like Ansible and Salt. Proficient in developing scripts for configuration and patching, managing cloud environments, and leading teams in Agile project management.

Highest-signal resume keywords

Linux AdministrationKubernetes ManagementPython ScriptingActive Secret ClearanceCI/CD and DevSecOps

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Windows AdministrationInfrastructure AutomationSystem Integration TestingConfiguration as CodePolicy as CodeServer BuildsCloud OperationsSystem Performance TuningDISA STIG ComplianceTroubleshooting

Soft Skills

Excellent Communication SkillsTeam CollaborationSelf-Starter

Tools & Technologies

KubernetesRancherHelmSaltAnsibleAWSYumAPT

Industry Keywords

Agile PracticesInfrastructure Best PracticesCross-Application IntegrationsSecurity Requirements Derivation

Tech Stack

Tools & technologies

AnsibleAWSCloudKubernetesLinuxPythonSaltStack

About the role

Key responsibilities & impact

Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting
Implement and enforce DISA STIG compliance across systems and networks
Develop server builds for virtual and physical environments
Manage, maintain, configure, and deploy Kubernetes, Rancher, and Helm
Develop Python, Bash, or PowerShell scripts for patching, configuration, and infrastructure tasks
Design, develop, and support scalable, redundant physical and virtualized infrastructure
Use Salt and Ansible for infrastructure automation and orchestration
Set up administrator and service accounts and maintain system documentation
Tune system performance and install system-wide software
Validate and implement system patches, including security-critical patches
Improve infrastructure using current technology best practices and cross-application integrations
Administer AWS cloud environments, including provisioning, monitoring, and optimization
Collaborate with cross-functional teams on Agile practices and workflows
Provide knowledgeable customer support
Manage accounts, including creation, password resets, troubleshooting, and termination/deletion
Participate in system integration testing, test planning, test execution, and documentation

Requirements

What you’ll need

Bachelor's Degree relevant experience
At least 7+ years of relevant professional experience
Hands-on experience leading teams of people
Experience with CI/CD and DevSecOps
Configuration as Code (CaC) and Policy as Code (PaC)
Must have an active Secret clearance
Experience in system integration testing through a full system development life cycle, including implementing test plans, test cases, and test processes
Experience working in an Agile project management environment
Experience with security requirements derivation
Experience documenting test results for corrective actions, reporting, and audits
Excellent verbal and written communication skills
Ability to work in a team and independently as a self-starter
Expertise in configuration, administration, and troubleshooting of Linux (RHEL/CentOS, Ubuntu)
Experience with yum and APT repositories
Experience with virtual and physical server builds
Experience with cloud service providers and cloud operations

Benefits

Comp & perks

Growth and development opportunities
Great Place to Work certified company
Reasonable accommodations for applicants or employees with disabilities