Senior Systems Administrator – Windows/Linux & Cloud

HTC Global Services; Lansing (MI); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

Paid Holidays

401(k) Matching

Life Insurance

Disability Insurance

Professional Development

Wellness Program

Job summary

HTC Global Services is seeking a Senior Systems Administrator to deliver hands-on Windows and Linux administration, cloud infrastructure, and application support. You will work with vendors, customers, and internal teams to implement changes, research solutions, and ensure secure, scalable environments.

The role emphasizes configuring systems, supporting COTS/SaaS applications, and documenting requirements, with a focus on cloud platforms and security best practices.

Qualifications

• 5–7 years of experience installing and configuring systems and application components in Windows and Linux environments.
• 5–7 years of experience gathering/documenting requirements, researching options, analyzing requirements/issues, and recommending solutions.
• Experience with Windows Server 2016 and later.
• Experience with RHEL 7.0 and above.
• Experience with Azure, AWS, or GCP cloud infrastructure.
• Experience with Tomcat, IIS, MS SQL Management Studio, XML, PowerShell, Azure DevOps, and Visio.
• Knowledge of SSO technologies including SAML, OAuth, and OpenID.
• Knowledge of LAN/WAN networking, architecture, firewalls, monitoring, and vulnerability remediation.
• Strong analytical skills and extensive experience with Windows/Linux operating systems and application/server support.
• 3–5 years of experience implementing and configuring applications in Azure Cloud infrastructure, including proficiency in Azure services, containerization, and Infrastructure as Code (IAC).

Responsibilities

• Install and configure systems and application components across Windows and Linux environments.
• Provide technical support and administration for COTS applications and configure changes for certain SaaS products.
• Gather and document requirements for application changes and new efforts.
• Research and present options and analyze and recommend technical solutions.
• Support ongoing application and infrastructure changes.
• Work collaboratively with vendors, customers, and other technical teams to execute projects and changes.
• Support monitoring, networks, firewalls, architecture, application and server environments.
• Create architecture diagrams and support architecture-related activities.
• Remediate vulnerabilities and support application and infrastructure security in accordance with applicable Federal, State, and industry standards.
• Configure and support applications within cloud infrastructure.

Skills

Windows/Linux administration

Cloud infrastructure

Azure DevOps

PowerShell

SAML/OAuth/OpenID

Networking/firewalls

Vulnerability remediation

Analytical skills

Architecture diagrams

Containerization/IaC

Tools

Tomcat

IIS

MS SQL Management Studio

XML

PowerShell

Azure DevOps

Visio

Job description

HTC Global Services is seeking a Senior Systems Administrator to deliver hands-on Windows and Linux administration, cloud infrastructure, and application support. You will work with vendors, customers, and internal teams to implement changes, research solutions, and ensure secure, scalable environments.

The role emphasizes configuring systems, supporting COTS/SaaS applications, and documenting requirements, with a focus on cloud platforms and security best practices.