Senior Systems Administrator — End-User Computing & Security

Shamrock Trading Corporation; Overland Park (KS); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Training and Development

Fully paid medical/dental/vision

Company 401(k) contributions

Paid time off & volunteering

Job summary

Shamrock Trading Corporation is seeking a Senior Systems Administrator to join the End User Computing Systems Administration team. The role focuses on maximizing uptime for critical business applications through design, deployment and operational excellence.

The successful candidate will lead advanced Windows and endpoint management efforts, including Intune, SCCM, Jamf, Autopilot and scripting with PowerShell, while supporting Microsoft 365 and Entra ID.

Qualifications

• BA/BS degree in a technical field or evidence of exceptional ability.
• 5+ years in a systems administration role focused on end-user computing.
• Advanced understanding of Windows profile management, Group Policy, folder redirection, Windows Registry, and other core operating system technologies.
• Advanced experience with Windows 11 deployments, including imaging, driver management, provisioning, and troubleshooting.
• Advanced experience with endpoint management platforms such as Microsoft Intune, SCCM, and Jamf.
• Advanced experience designing and supporting Windows Autopilot and modern endpoint provisioning solutions.
• Advanced experience automating processes using PowerShell.
• Experience utilizing Microsoft Graph API for automation, reporting, and administration.
• Advanced administration experience in Microsoft 365 and Microsoft Entra ID / Active Directory.
• Experience implementing and supporting MDM and MAM solutions.
• Experience with Duo administration.
• Strong understanding of identity and access management principles, including multi-factor authentication technologies.
• Experience leading technology implementations according to strong security guidelines.
• Strong understanding of Zero Trust concepts as they relate to endpoint management and identity.
• Advanced understanding of networking principles.
• Understanding of various certificate types (e.g., SSL/TLS, code signing, email encryption).
• Ability to automate certificate issuance and renewal using Windows PKI.
• Must possess initiative and analytical skills to resolve issues before they become critical.
• Must possess strong people skills and the ability to work as a team member, collaborating and partnering with others to address issues.
• Ability to communicate clearly in English, verbally and in writing, keeping the appropriate stakeholders informed of relevant issues, and understanding and executing oral and written instructions.
• Able to adapt to changes in a dynamic work environment.
• Must have a propensity for knowledge gathering and sharing.
• Must be self-motivated, able to respond quickly when on-call, and willing to work outside core areas when necessary.
• Must possess a passion for technology and take initiative to stay educated on the latest and most relevant technologies and methodologies.
• Excellent prioritization and time-management skills.

Responsibilities

• BA/BS degree in a technical field or evidence of exceptional ability.
• 5+ years in a systems administration role focused on end-user computing.
• Advanced understanding of Windows profile management, Group Policy, folder redirection, Windows Registry, and other core operating system technologies.
• Advanced experience with Windows 11 deployments, including imaging, driver management, provisioning, and troubleshooting.
• Advanced experience with endpoint management platforms such as Microsoft Intune, SCCM, and Jamf.
• Advanced experience designing and supporting Windows Autopilot and modern endpoint provisioning solutions.
• Advanced experience automating processes using PowerShell.
• Experience utilizing Microsoft Graph API for automation, reporting, and administration.
• Advanced administration experience in Microsoft 365 and Microsoft Entra ID / Active Directory.
• Experience implementing and supporting MDM and MAM solutions.
• Experience with Duo administration.
• Strong understanding of identity and access management principles, including multi-factor authentication technologies.
• Experience leading technology implementations according to strong security guidelines.
• Strong understanding of Zero Trust concepts as they relate to endpoint management and identity.
• Advanced understanding of networking principles.
• Understanding of various certificate types (e.g., SSL/TLS, code signing, email encryption).
• Ability to automate certificate issuance and renewal using Windows PKI.
• Must possess initiative and analytical skills to resolve issues before they become critical.
• Must possess strong people skills and the ability to work as a team member, collaborating and partnering with others to address issues.
• Ability to communicate clearly in English, verbally and in writing, keeping the appropriate stakeholders informed of relevant issues, and understanding and executing oral and written instructions.
• Able to adapt to changes in a dynamic work environment.
• Must have a propensity for knowledge gathering and sharing.
• Must be self-motivated, able to respond quickly when on-call, and willing to work outside core areas when necessary.
• Must possess a passion for technology and take initiative to stay educated on the latest and most relevant technologies and methodologies.
• Excellent prioritization and time-management skills.

Skills

PowerShell

Windows tooling

Active Directory

Windows 11 deployments

Intune

SCCM

Jamf

Microsoft Graph API

Zero Trust

Networking basics

Certificate management

English communication

On-call readiness

Education

BA/BS degree in technical field

5+ years systems administration

Tools

Jamf

SCCM

Intune

GPO

PKI

Job description

Shamrock Trading Corporation is seeking a Senior Systems Administrator to join the End User Computing Systems Administration team. The role focuses on maximizing uptime for critical business applications through design, deployment and operational excellence.

The successful candidate will lead advanced Windows and endpoint management efforts, including Intune, SCCM, Jamf, Autopilot and scripting with PowerShell, while supporting Microsoft 365 and Entra ID.