Senior Systems Administrator

Stafford Gray LLC

. Install, configure, and maintain systems and application components on Windows Server and Red Hat Enterprise Linux environments .

Posted 10/2/2026contractLansing • Michigan • United StatesSenior💰 $128,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in installing, configuring, and maintaining systems in Windows Server and Red Hat Enterprise Linux environments, with a strong focus on application security and compliance. Proficient in Azure cloud infrastructure, including containerization and infrastructure-as-code practices, while effectively collaborating with technical teams and stakeholders.

Highest-signal resume keywords

Windows Server AdministrationRed Hat Enterprise Linux AdministrationAzure Cloud InfrastructureSSO Protocols (SAML, OAuth, OpenID)Monitoring Tools (Dynatrace)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Windows ServerRed Hat Enterprise LinuxAzure ServicesInfrastructure as CodePowerShellIISTomcatMS SQL Server Management StudioXMLNetworking (LAN/WAN)

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

DynatraceVisioAzure DevOps

Industry Keywords

COTS ApplicationsSaaS ProductsApplication SecurityFederal StandardsPublic-Sector Compliance

Tech Stack

Tools & technologies

AWSAzureCloudERPFirewallsGoogle Cloud PlatformIoTLinuxMS SQL ServerSQLTerraform

About the role

Key responsibilities & impact

Install, configure, and maintain systems and application components on Windows Server and Red Hat Enterprise Linux environments
Administer and support COTS applications, and configure changes for SaaS products as needed
Implement and configure applications in Azure cloud infrastructure, including containerized workloads and infrastructure-as-code deployments
Gather and document requirements, research and present options, and recommend solutions for application changes and new initiatives
Remediate vulnerabilities and maintain application and infrastructure security in line with federal, state, and industry standards
Configure and troubleshoot SSO integrations (SAML, OAuth, OpenID Connect)
Monitor application and server health using Dynatrace or similar tools, and troubleshoot performance issues
Create and maintain architecture and network diagrams in Visio
Collaborate closely with vendors, customers, and other technical teams to deliver projects and changes on time

Requirements

What you’ll need

5–7+ years installing and configuring systems and application components in Windows and Linux environments
5–7+ years of hands-on Windows Server administration (2016 or later) and RHEL 7+ administration
5–7+ years gathering and documenting requirements and recommending technical solutions
Experience with IIS, Tomcat, MS SQL Server Management Studio, XML, and PowerShell
Working knowledge of networking (LAN/WAN), firewalls, and system architecture
Experience with monitoring and debugging tools such as Dynatrace
Experience with SSO protocols (SAML, OAuth, OpenID)
3–5+ years implementing and configuring applications in Azure, including Azure services, containerization, and infrastructure as code (Terraform, Bicep, ARM templates, or similar)
Experience with Azure DevOps and Visio
Must reside within 90 miles of Lansing, MI (48933)
Preferred: Experience supporting finance, budget, or ERP-type applications
Preferred: Exposure to AWS or GCP
Preferred: Experience in a public-sector or regulated environment with formal security and compliance standards
Preferred: Familiarity with IoT environments