Systems Administrator

Integrated Systems Corp.; Mequon (WI); On-site; USD 70,000 - 80,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

401(k)

Profit sharing

Job summary

Integrated Systems Corp. in Mequon, Wisconsin is seeking a Systems Administrator to support our secure private cloud infrastructure and hosting environments.

You will install, configure, maintain, and monitor systems that support ISCorp’s hosted services and internal operations, ensuring reliability, performance, and security while delivering excellent service. The role emphasizes Windows Server and Active Directory administration, SQL Server management, virtualization (VMware, Hyper‑V, Citrix,

Qualifications

• Bachelor’s degree or equivalent work experience.
• 3+ years of hands-on Windows-based systems administration in enterprise environments.
• Proficiency with Active Directory, Group Policy, and Windows Server administration.
• Experience with SQL Server management and backup/restore procedures.
• Strong understanding of virtualization and hosting technologies (VMware, HyperV, Citrix, RDS).
• Scripting/automation familiarity (PowerShell, VBScript).
• Strong documentation, troubleshooting, and communication skills.

Responsibilities

• Administer and maintain Windows Server and desktop operating systems across production and development environments.
• Manage Active Directory, Group Policy, and related identity services.
• Support and maintain Microsoft SQL Server environments and database operations.
• Configure and manage virtualization technologies including VMware, HyperV, Citrix, and RDS.
• Deploy, monitor, and maintain application servers (IIS, Tomcat, and related web technologies).
• Implement and maintain information security best practices, monitoring, and documentation.
• Perform system scripting and automation using PowerShell, VBScript, or command-line tools.
• Troubleshoot and resolve system, network, and application issues.
• Maintain accurate technical documentation for systems, configurations, and processes.
• Participate in on‑call rotations and respond to system alerts as needed.

Skills

Windows Server administration

Active Directory

Group Policy

SQL Server management

PowerShell

VBScript

Troubleshooting

Communication

Multi-priority management

Education

Bachelor’s degree in Computer Science or related field

Tools

VMware

HyperV

Citrix

RDS

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Systems Administrator

Full Time Mequon, WI, US

3 days ago Requisition ID: 1013

Salary Range: $70,000.00 To $80,000.00 Annually

ISCorp Job Description

Job Title:

Systems Administrator

Department / Reports To:

[Insert Department] | Reports to: [Insert Manager/Director]

Job Summary

The Systems Administrator supports ISCorp’s secure private cloud infrastructure and application hosting environments. This position is responsible for the installation, configuration, maintenance, and monitoring of systems that support ISCorp’s hosted services and internal operations. The Systems Administrator ensures the reliability, performance, and security of systems while providing exceptional customer service to both internal users and external clients.

Key Responsibilities

• Administer and maintain Windows Server and desktop operating systems across production and development environments.
• Manage Active Directory, Group Policy, and related identity services.
• Support and maintain Microsoft SQL Server environments and database operations.
• Configure and manage virtualization technologies including VMware, Citrix, and Remote Desktop Services.
• Deploy, monitor, and maintain application servers (IIS, Tomcat, and related web technologies).
• Implement and maintain information security best practices, monitoring, and documentation.
• Perform system scripting and automation using PowerShell, VBScript, or command-line tools.
• Troubleshoot and resolve system, network, and application issues.
• Maintain accurate technical documentation for systems, configurations, and processes.
• Participate in on‑call rotations and respond to system alerts as needed.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related field; or equivalent work experience.
• Minimum of 3 years of hands‑on experience administering Windows-based systems in enterprise environments.
• Proficiency with Active Directory, Group Policy, and Windows Server administration.
• Experience with Microsoft SQL Server management and backup/restore procedures.
• Strong understanding of virtualization and application hosting technologies (VMware, HyperV, Citrix, RDS).
• Familiarity with scripting and automation tools (PowerShell, VBScript).
• Strong documentation, troubleshooting, and communication skills.

Preferred Qualifications

• Experience with Linux administration or hybrid Windows/Linux environments.
• Knowledge of cloud technologies such as Azure, AWS, or Google Cloud.
• Familiarity with enterprise firewall and backup systems.
• Experience with ERP software management or database platforms (Progress, MySQL, Oracle).
• Exposure to project management practices or ITIL-based service frameworks.

Key Skills & Attributes

• Customer‑focused mindset with the ability to explain complex issues in simple terms.
• High attention to detail and accuracy.
• Strong problem‑solving and analytical skills.
• Ability to work independently and manage multiple priorities.
• Commitment to continuous learning and improvement.

ISCorp offers a competitive salary and a full benefits package, including health, dental, 401(k), and profit sharing. Our Mequon headquarters provides a collaborative office environment with minimal travel requirements and an in‑house fitness facility available to employees.

About ISCorp

With headquarters in Mequon, Wisconsin, ISCorp serves customers around the world, delivering secure, private cloud solutions that support critical applications and data processing for a wide range of industries. ISCorp is committed to exceeding customer expectations through technical excellence, innovation, and superior service.