IT System Administrator

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 looking for a top-notch System Administrator to help support a growing global team of engineers who are disrupting the refining and chemical industries with breakthrough machine learning technologies.

About us:

At Imubit, we’re not just optimizing industrial processes - we’re redefining how entire industries operate. As the pioneer of Closed Loop AI Optimization (AIO), we are leading the charge in transforming refining, chemical, cement, and mineral mining plants with AI-driven automation. Our Optimizing Brain™ Solution puts the power of AI directly into the hands of engineers, enabling them to build and deploy their own multipurpose models to unlock new levels of efficiency, profitability, and sustainability.

Seven of the top ten U.S. refiners trust Imubit, with our solution deployed in over 90 high-value applications, delivering real-time process optimization that drives margins, reduces emissions, and builds the AI-savvy workforce of the future. Co-founded by a Google Fellow and award-winning data scientist, Imubit brings together domain experts from industry leaders like Exxon, Shell, Holcim, and FLSmidth. Backed by tier-1 venture capital firms such as Insight Partners and Alpha Wave, we are setting a new standard for industrial AI.

Our mission is simple but bold: helping the world’s leading industrial companies solve their most complex challenges, maximize long-term profitability, and future-proof their operations in an era of rapid change. If you’re ready to push boundaries and shape the future of industrial intelligence, now’s the time to join us.

We are looking for:

You, a resourceful, proactive, and hard-working system administrator with 7 years of technical expertise! You strive to improve customer experience, optimize deployment processes, and keep systems (and users) running happily. You are passionate about scripting, automation, and managing configuration as a code. You will apply your knowledge of IT and business to advance organizational goals, comfortably navigate policy, people, and process-related organizational dynamics, and work with a fun team while doing it!

In this position, you will:

• 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

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

You have experience with:

• Okta SSOandOkta Workflows scripting/automation
• Microsoft Intune, AzureAD, Microsoft 365, and Autopilot
• Google Workspace administration
• Jira, Confluence, Atlassian tools, and Slack administration
• Vendor procurement and lifecycle management (Dell, Amazon, etc.)
• Windows and macOS workstation administration

Nice to have:

• Security operations background (endpoint protection, compliance, access reviews)
• Additional scripting or workflow automation expertise
• AWS and GCP cloud environments

Imubit provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Imubit complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Imubit does not accept or retain unsolicited CVs or phone calls and/or respond to them or to any third party representing job seekers.

No visa sponsorship is available for this position.