Weekend Linux System Administrator Jobs in Markham, IL

Company is seeking an experienced and detail-oriented IT Support and System Administrator to join our team. As an IT Support and System Administrator, you will manage, maintain and optimize our IT infrastructure, with a strong emphasis on Microsoft Office 365 and other Microsoft cloud services to ensure seamless and secure operations of our IT systems.   The IT Support and System Administrator role requires a balance of technical expertise, end-user support, and collaboration with various business units to ensure our IT systems align with organizational needs and objectives.  Some of the position objectives include:

• Maintain essential IT infrastructure, including operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware
• Handle business-critical IT tasks and systems administration
• Research and evaluate emerging technologies, hardware, and software
• Track and maintain hardware and software inventory

The IT Support and System Administrator will have an immediate impact on the day-to-day efficiency of our operations and a long-term impact on our overall growth. 

In return, we offer competitive pay with an excellent benefit package including paid time off, company matching 401(k) plans and medical, dental, vision and life insurance options as well as professional development with career advancement opportunity in an innovative growth industry.

ROLES & RESPONSIBILITIES

Helpdesk / End-User Support

• Serve as the first point of contact for IT support requests (hardware, software, network issues)
• Troubleshoot and resolve tickets related to desktops, laptops, printers, and mobile devices
• Provision and deprovision user accounts (Active Directory, email, SaaS platforms)
• Install, configure, and maintain end-user systems and applications
• Document incidents, resolutions, and procedures in the ticketing system
• Provide basic user training and support for common tools and systems

Systems Administration Support

• Assist with administration of servers (Windows/Linux), virtualization, and cloud services (e.g., Azure, AWS, M365)
• Monitor system performance, backups, and alerts; escalate issues when necessary
• Support patch management, updates, and system maintenance activities
• Maintain user permissions, group policies, and security configurations
• Assist in network troubleshooting (DNS, DHCP, VPN, connectivity issues)
• Participate in system upgrades, deployments, and IT projects

Security & Compliance

• Follow IT security policies and best practices
• Assist with endpoint protection, MFA, and access controls
• Identify and report potential security risks or incidents
• Support audits, documentation, and compliance efforts

Documentation & Process Improvement

• Maintain internal documentation for systems, processes, and troubleshooting guides
• Identify recurring issues and recommend long-term solutions
• Contribute to improving helpdesk workflows and automation

Other Duties as assigned

Travel as needed

JOB REQUIREMENTS

Education

• Bachelor's degree in information Technology, Computer Science, Information Systems, or a related field, or equivalent experience

Experience

• Microsoft Certified: Azure Administrator Associate
• Microsoft 365 Certified: Endpoint Administrator Associate
• Administrator proficiency with Microsoft Office 365 applications and tools
• Experience with Azure Active Directory and Group Policy Management
• Ability to troubleshoot technical issues and provide resolutions
• Prior experience providing Help Desk support

·         5+ years of experience in a systems administrator role.

·         5+ years of experience with Microsoft Entra, Intune and Autopilot

·         5+ years of experience with RMM and MDM

Skills/Knowledge/Abilities

• Experience with Microsoft 365 Platform, Exchange Online, SharePoint Online, Teams, Security & Compliance Center, Office, and OneDrive for Business.
• Experience with Microsoft 365 Intune MDM, Azure AD, SSO and Identity Management
• Knowledge of PowerShell, LDAP, transfer protocols, API's and troubleshooting dataflows.
• Experience with Acumatica and SITETRACKER.
• Familiarity with application monitoring tools, reviewing log files, and be available on occasion for off hours emergency support for critical applications.
• In-depth knowledge of Office365 licensing, features, and policy.
• Knowledge of PowerShell scripting is a plus.
• Knowledge base of Office 365 technical architecture and the interdependencies with other enterprise services in O365/Azure technology stack.
• Experience developing technical solutions using O365 Suite of products.
• Experience with Identity and Conditional Access design and implementation.
• Experience with implementation/configuration of Office 365 messaging and collaboration tools.
• Implementation of advanced functions of Office 365 Security and Compliance center, Microsoft.
• Federation Integration with Office 365, Azure, and Identity Management
• Excellent working knowledge of computer systems, security, network and systems administration, databases and data storage systems, and phone systems
• Strong critical thinking and decision-making skills
• Excellent time management skills and strong ability to prioritize
• Strong teamwork and communication skills
• Firm grasp on IT infrastructure and operations best practices
• Experience with integration of multiple business platforms such as Acumatica, ESRI, ADP Sitetracker and others.
• Familiarity with enterprise backup and recovery procedures, and systems performance monitoring
• Expertise in implementing, configuring, and testing IT solutions
• Strong creative and analytical thinking
• Microsoft Professional certification

PHYSICAL REQUIREMENTS

Physical Demands

While performing the duties of this job, the candidate will be regularly required to sit; use hand and fingers, handle, or feel objects, tools, or controls; reach with hands and arms; and talk or hear. The candidate will be occasionally required to walk or stand for long periods of time. The candidate may be required to lift and/or move up to 10 lbs. and occasionally lift and/or move up to 10 lbs. and occasionally lift and/or move up to 25 lbs. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

OTHER REQUIREMENTS

Work Environment

While performing the duties of this job, the incumbent may split time between work in a semi-quiet office environment and on customer sites, where there is moderate to occasional great noise levels.

Language Skills

Ability to read, analyze, and interpret engineering and construction drawings and specifications, and other documents.  Communicates effectively in oral and written English technical language, both in interpreting requirements and providing reports and mentoring.

Reasoning Ability

Ability to define problems, collect data, establish facts and draw valid conclusions.  Ability to interpret a variety of technical instructions in mathematical or diagram form and deal with several abstract and concrete variables.

The incumbent must have a valid driver’s license.

Disclaimer

Employee must be able to perform the essential functions of the position satisfactorily and, if requested, reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of their job, absent undue hardship. Job Descriptions typically change over time as requirements and employee skill levels change. The employer retains the right to modify or assign other duties to this position.