Systems Administrator

McCarthy Holdings, Inc. is seeking a skilled and motivated System Engineer I to join our Server Operations Team. As a System Engineer I, you will play a crucial role in ensuring the stability, security, and performance of our IT infrastructure, including installation, configuration, troubleshooting, and maintenance of business‑critical systems vital to daily operations. System Engineer I must adhere to the company SLA for system uptime and customer response.

This position reports to the Manager of Server Operations.

• General level 3 support for help desk and end users in the areas of Server, Storage, AD Account management, Cloud operations and Microsoft 365 Administration.
• Active Directory and Azure AD (Entra ) basic administration including user/group management.
• Exchange and SharePoint Online administration and support.
• Perform routine system maintenance tasks, including software updates, server patch management, vulnerability remediation, system backups and quarterly restore testing.
• Configure, maintain, and optimize servers, both physical and virtual, to support various applications and services. Primarily Windows Server OS.
• OKTA authentication and configuration of new SSO/SAML applications and troubleshooting authentication issues and changes.
• Monitor system performance and troubleshoot issues proactively to ensure optimal system uptime.
• Data archival/recovery, configuration, maintenance, and troubleshooting.
• Providing support to various groups for email searches, legal discovery, or legal hold procedures.
• Implement security best practices and remediations to protect the infrastructure from potential threats and vulnerabilities.
• Maintain accurate and up-to-date documentation of system configurations, procedures, and troubleshooting guides.

• Proven experience as a System Administrator, System Engineer or similar role.
• Strong listening, communication, collaboration and interpersonal skills.
• Strong organizational skills.
• Ability to work with a team and individually.
• Strong desire to provide exceptional customer service.
• Driven to evaluate and recommend continuous improvement initiatives.

• Strong knowledge of Windows Server Operating Systems.
• Strong understanding of security best practices.
• Basic experience with writing Power Shell scripts to perform administrative tasks.
• Basic knowledge of Microsoft Active Directory, Azure AD and SSO.
• Basic knowledge of Office 365 (account/mailbox creation and troubleshooting).
• Experience with backup software/hardware operation and configuration.

• Virtualization technologies (VMware ESX, Hyper‑V).
• Public Cloud platforms (AWS/Azure).
• Okta or Entra SSO.
• Tenable, Nessus or other vulnerability management products.
• Cohesity DMaaS.
• Online storage platforms such as One Drive & SharePoint.
• Storage Systems (SAN) such as Net App, Tegile, or Pure.
• System and network administration in both Windows and Linux environments.

McCarthy is proud to be an equal opportunity employer, including disability and protected veteran status.