Senior System Administrator
TechSur Solutions
full-time
Posted on:
Location Type: Hybrid
Location: Reston • Virginia • United States
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Job Level
About the role
- Administer and support Linux-based systems in on-premises and cloud environments
- Serve as JIRA and Confluence Administrator, including configuration, user management, workflows, and space administration
- Support STP processes, data transfer tasks, system migrations, and certifications across environments
- Modernize authentication for SFD and WSG applications (55+) using SSO and PIV as MFA
- Develop automation for infrastructure provisioning, application deployments, and tool upgrades using GitHub Actions, Terraform, Bash, and PowerShell
- Automate database refresh processes, including schema and data copy from Production to lower environments
- Implement automation for database password rotation and application redeployment on a regular cadence
- Ensure security and compliance with standards across Azure toolchains and infrastructure
- Lead and support application migrations from on-premises to Azure
- Develop and maintain Data Flow Diagrams (DFDs) and Entity Relationship Diagrams (ERDs)
- Demonstrate deep understanding of data relationships, application architecture, and system interactions
- Provide recommendations to improve security posture, monitoring, and observability using AIOps
- Identify opportunities for cost optimization, workload scaling, database performance tuning, and infrastructure efficiency
- Work closely with Security teams on ATO processes and onboarding of new services
- Support and advise teams across various divisions in Azure cloud environments.
Requirements
- 8+ years of experience as a System Administrator or similar role
- Strong hands-on experience with Linux system administration
- Proven experience administering Azure and AWS cloud environments
- Experience with CI/CD and automation tools (GitHub Actions, Terraform, Bash, PowerShell)
- Solid understanding of identity and access management, SSO, MFA, and PIV authentication
- Experience with application and database migrations to cloud platforms
- Knowledge of security frameworks, compliance standards, and ATO processes
- Strong documentation and collaboration skills.
Benefits
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Applicant Tracking System Keywords
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Hard Skills & Tools
Linux system administrationAzure administrationAWS administrationCI/CDautomationGitHub ActionsTerraformBashPowerShelldatabase migrations
Soft Skills
documentationcollaboration