Senior Systems Administrator

Stafford Gray is seeking an experienced Systems Administrator to support a portfolio of commercial off-the-shelf (COTS) and SaaS applications for a large public-sector client's finance and budget operations. This is a hands-on role that combines server and application administration with requirements analysis. You'll install, configure, secure, and maintain applications across Windows and Linux environments, and you'll also work directly with vendors and business users to plan and deliver changes.
What You'll Do
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
Required Qualifications
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 Qualifications
Experience supporting finance, budget, or ERP-type applications
Exposure to AWS or GCP
Experience in a public-sector or regulated environment with formal security and compliance standards
Familiarity with IoT environments

Work arrangement
No