Senior System Administrator Jobs in Romeoville, IL

Company

SDI Presence LLC is a leading IT services firm that leverages its strong team presence to advance clients toward a secure digital enterprise. With a 30-year corporate resume, SDI delivers multi and hybrid cloud infrastructure managed services, consulting and advisory solutions, work and asset management solutions, and application modernization and managed services. SDI serves major airports, utilities, commercial real estate portfolios, and government agencies across the U.S. Visit us at www.sdipresence.com  and connect with us on X  and LINKEDIN .

Summary

The Junior Systems Administrator supports the customer’s day-to-day IT operations, assisting with the maintenance, monitoring, and troubleshooting of server, storage, and end-user computing environments to meet SLRs/SLAs for system availability and performance. The Junior Systems Administrator supports account and access management, patching, backups, and system documentation, and partners with senior administrators and engineers to build technical proficiency across the environment.

SDI Presence Offers:

•    An hourly range: $46.00 - $48.00/hour 
•    Base salary may vary based on factors such as location, skills, and relevant experience. Some positions may include additional compensation in the form of bonuses or commissions.  
•    Medical, Dental, Vision, company-provided Life Insurance, Short and long-term disability.  Matched Retirement Savings, Wellness Program, Paid time off and much more!

Responsibilities

• Respond to, triage, and resolve or escalate incidents and service requests within SLA, in accordance with ITIL best practices using ServiceNow
• Perform routine administration of Windows Server and/or Linux systems, including account provisioning, group policy, and file/print services
• Support Active Directory administration, including user and group account management, password resets, and access provisioning/deprovisioning
• Monitor system health, capacity, and performance using enterprise monitoring tools, and escalate anomalies to senior staff
• Apply security patches, updates, and hotfixes in accordance with the customer’s maintenance and change management schedules
• Assist with imaging, deployment, and configuration of desktops, laptops, and virtual machines, including onboarding/offboarding support
• Collaborate with senior systems administrators and engineers on infrastructure projects, upgrades, and change implementations

Requirements

• High school diploma required; associate’s or bachelor’s degree in information technology, Computer Science, or a related field preferred
• 3-5 years of experience in systems administration, help desk, or desktop support, ideally within a multi-site environment
• CompTIA A+, Network+, or Server+ certification preferred; Microsoft Certified: Windows Server Administration Associate or similar credential a plus
• Working knowledge of Windows Server administration (Active Directory, DNS, DHCP, Group Policy)
• Exposure to Linux server administration and virtualization platforms (e.g., VMware, Hyper-V) a plus
• Familiarity with cloud environments (e.g., Microsoft Azure, AWS) and enterprise backup solutions (e.g., Veeam)
• Basic understanding of networking concepts (TCP/IP, DNS, VPN) and patch/endpoint management tools (e.g., SCCM, Intune, SolarWinds)
• Well versed in ITIL concepts and experience using ticketing systems such as ServiceNow for incident, request, and change management
• Self-starting attitude with strong troubleshooting, documentation, and communication skills, and a willingness to take on increasing levels of responsibility
• Must be willing to work 3 days onsite at O’Hare International Airport and 2 days remote
• Must be willing to work occasionally after hours/on call
• Must be willing to submit to Airport Security Screening

Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Equal Opportunity Employer Statement

SDI Presence is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. 

This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. SDI Presence makes hiring decisions based solely on qualifications, merit, and business needs at the time.