Senior System Administrator

Job Summary:

Senior System Administrator

Key Responsibilities:

• Provide

  round-the-clock support

  for IT systems and infrastructure.
• Administer and manage

  JAMF Pro

  for macOS/iOS device deployment, configuration, and compliance.
• Support and maintain

  Microsoft Intune (MDM)

  for Windows and mobile device management along with O365, Windows AD, Exchange, SharePoint & Slack
• Manage user lifecycle and access policies in

  Okta

  , including SSO and MFA configurations.
• Knowledge on Windows/MAC laptops to configure and trouble shooting.
• Monitor system performance, availability, and security using appropriate tools.
• Respond to incidents, service requests, and alerts in a timely and professional manner.
• Perform routine maintenance, patching, and updates across systems.
• Document procedures, configurations, and troubleshooting steps.
• Collaborate with other IT teams to support projects and continuous improvement initiatives.

Required Skills & Qualifications:

• 5+ years of experience in a system administration or IT support role.
• Hands-on experience with:

• JAMF Pro

  (macOS/iOS device management)

• Microsoft Intune / Endpoint Manager

• Okta

  (SSO, MFA, user provisioning)

• Zoom, Slack, MS Teams,

• Strong understanding of

  ITIL practices

  , incident management, and change control.
• Familiarity with scripting (e.g., Bash, PowerShell) for automation.
• Excellent troubleshooting and communication skills.
• Ability to work independently during off-hours and escalate when necessary.

Preferred Qualifications:

• Certifications such as

  JAMF Certified Tech/Admin

  ,

  Microsoft Certified: Modern Desktop Administrator

  , or

  Okta Certified Administrator

  .
• Experience with monitoring tools
• Knowledge of networking fundamentals and security best practices.

Work Environment:

• Rotational shifts including nights, weekends, and holidays.
• Remote or on-site depending on company policy.
• Fast-paced, collaborative, and supportive team culture.