Senior IT Systems Administrator – Automation & Cloud

Imubit; Houston (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Imubit is seeking a seasoned System Administrator to support a global team of engineers advancing AI-driven automation for refining and chemical industries. You will manage Okta SSO, user lifecycles, Microsoft 365, Intune, AzureAD, and cloud environments, while automating workflows with Python, PowerShell, and Bash.

In this role you will work across Windows and macOS endpoints, Jira/Confluence/Slack, and vendor procurement, ensuring security posture and SLA targets are met while enabling a

Qualifications

• 7+ years proven experience as a System Administrator or similar role.
• Bachelor's degree in computer science, information technology, or a related field is a plus
• Excellent problem-solving skills and attention to detail
• Ability to work independently and prioritize tasks in a fast-paced environment
• Effective communication and interpersonal skills

Responsibilities

• Serve as the primary administrator for Okta SSO, including Okta Workflows scripting and automation
• Manage user lifecycle (provisioning, deprovisioning, group policies, permissions)
• Administer Microsoft 365, AzureAD, and Intune for patching, application deployment, and device compliance
• Administer Kandji (Apple MDM) for macOS/iOS device management
• Support and maintain both Windows and macOS endpoints
• Administer Jira, Confluence, Atlassian tools, and Slack for user setup, troubleshooting, and configuration
• Provide support for VPN access (Perm81)
• Support Cloudflare DNS for customer/user-facing configurations
• Provide administration and support within AWS and GCP environments
• Write and maintain automation scripts (Okta Workflows, PowerShell, Python, Bash) to streamline IT operations
• Manage IT hardware/software lifecycle: ordering, provisioning, shipping, and decommissioning devices
• Work with vendors (Dell, Amazon, others) to procure laptops, parts, and accessories
• Maintain IT inventory and lifecycle records
• Proactively manage the IT service desk queue to ensure SLA targets are met or exceeded
• Perform audits on system access, collaborating with compliance and security teams to ensure policy adherence
• Assist with large IT projects, including deployment of new IT systems and services
• Ensure internal customer satisfaction by maintaining clear, timely communication on open IT requests

Skills

Okta SSO

Okta Workflows

Intune

AzureAD

Microsoft 365

Autopilot

Google Workspace

Jira

Confluence

Slack

VPN Perm81

AWS

GCP

PowerShell

Python

Bash

Windows administration

macOS administration

Vendor procurement

Education

Bachelor's degree in computer science, information technology, or a related field

Tools

Jira

Confluence

Slack administration

Atlassian tools

Job description

Imubit is seeking a seasoned System Administrator to support a global team of engineers advancing AI-driven automation for refining and chemical industries. You will manage Okta SSO, user lifecycles, Microsoft 365, Intune, AzureAD, and cloud environments, while automating workflows with Python, PowerShell, and Bash.

In this role you will work across Windows and macOS endpoints, Jira/Confluence/Slack, and vendor procurement, ensuring security posture and SLA targets are met while enabling a