Top 59 Windows Systems Engineer Jobs in Naperville, IL

IT Technician Tier 3 – Senior Systems & Network Engineer
AMERICAN FREEDOM INSURANCE —Mount Prospect, IL
- $80,000 - $100,000 a year
- Weekends as needed
- Computer science
- Azure
- Computer Science
- Paid training
- Health savings account
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9d
Senior Windows Administator / Platform Engineer IV
Hudson Manpower —Illinois
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
- Profit sharing
- Paid training
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T3 Service Desk Engineer
WEBIT Services —Naperville, IL
- $80,000 - $120,000 a year
- Full-time
- Hybrid work
- Mid-level
- Windows
- AWS
- AD&D insurance
- Disability insurance
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Level 2 / Level 3 Engineer
ETS ENTERPRISES —Rosemont, IL
- $85,000 - $120,000 a year
- Full-time
- Hybrid work
- Mid-level
- Windows
- SharePoint
- Paid time off
- Work from home
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ASC IT Systems Engineer
Illinois Bone and Joint Institute LLC —Park Ridge, IL
- $90,000 - $660,000 a year
- Weekends as needed
- Google Workspace
- Computer science
- Computer Science
- Profit sharing
- Wellness program
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Desktop Support Engineer
Martin Brower —Rosemont, IL
- $87,000 - $109,000 a year
- Full-time
- Mid-level
- Windows
- High school diploma or GED
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SCCM Engineer
Tata Consultancy Services —Downers Grove, IL
- $85,000 - $100,000 a year
- Mid-level
- 8 years
- Analysis skills
(MSP Experience Required) Sr. Systems Engineer
O-Lux Technologies —Naperville, IL
- $80,000 - $100,000 a year
- Full-time
- Background check
- 7 years
- Software troubleshooting
- Paid holidays
- Health insurance
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Engineer, Cloud and IT Systems
Mizkan America —Schaumburg, IL
- $125,000 - $170,000 a year
- Extended hours
- Computer science
- Computer Science
- Office
- Profit sharing
- Wellness program
System Engineer
Johnson Service Group Inc - Internal HR database —Westmont, IL
- $80,000 - $90,000 a year
- 7 years
- Computer Science
- Office
- Health insurance
- Dental insurance
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Tier II Engineer
Proven Business Systems LLC —Naperville, IL
- $45,000 - $65,000 a year
- Full-time
- Microsoft Outlook
- Up to 50% travel
- Ability to walk for extended periods
- Paid parental leave
- AD&D insurance
14d
Project Engineer
Total Technology Solutions Group (TTSG) —Hanover Park, IL
- $85,000 - $90,000 a year
- Full-time
- Mid-level
- Windows
- 3 years
- Dental insurance
- 401(k)
Quick Apply
8d
IT Site Reliability & Performance Engineer
AAR Corp. —Wood Dale, IL
- $110,000 - $130,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- AD&D insurance
- Paid holidays
Cloud Engineer (Remote)
Inspira Financial Trust, LLC —Oak Brook, IL
- $92,000 - $114,000 a year
- Remote
- Computer science
- Computer Science
- Research
- Health savings account
- Paid holidays
Systems Engineer
Easy IT Support —Saint Charles, IL
- Part-time
- Computer science
- Azure
- Computer Science
SYSTEMS ADMINISTRATOR / ENGINEER
TekBoox —Wood Dale, IL
- On call
- Hybrid work
- System design
- 3 years
- SQL
Infrastructure Engineer - Digital Network
Costco Wholesale —Addison, IL
- $85,000 - $225,000 a year
- On call
- Azure
- 5 years
- Windows
- AD&D insurance
- Employee stock purchase plan
Level III Software Support Engineer
First American Bank —Elk Grove Village, IL
- $100,000 - $120,000 a year
- Full-time
- Computer science
- Azure
- 6 years
Systems Engineer - Infrastructure & Managed Services
Providence Management and Development Company Incorporated —Tinley Park, IL
- $80,000 - $100,000 a year
- Full-time
- Computer science
- Computer Science
- Mid-level
Quick Apply
IT Infrastructure Engineer
Addus Homecare —Lisle, IL
- $80,000 - $90,000 a year
- Monday to Friday
- 5 years
- Analysis skills
- Senior level
- Paid holidays
- Health insurance
Quick Apply

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Windows Systems Engineer jobs near Naperville, IL

IT Technician Tier 3 – Senior Systems & Network Engineer

AMERICAN FREEDOM INSURANCE -
Mount Prospect, IL

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Job Details

$80,000 - $100,000 a year
9 days ago

Benefits

Paid training
Health savings account
Paid holidays
Dental insurance
401(k)
Paid time off
Vision insurance
401(k) matching
Opportunities for advancement

Qualifications

Endpoint Security
Azure
IT user and group management
GPO
Vendor coordination
Operating system updates
Public Cloud
VLAN
DHCP
Patch management
Computer management
Mentoring
DNS
Server virtualization
Networking equipment (troubleshooting support)
UEM
Windows support
Application Maintenance
Cloud solution engineering
Network monitoring tools
Desktop administration
Intune
System performance monitoring
VPN

Full Job Description

Description:

As an onsite Tier 3 Senior Systems & Network Engineer, you will serve as the highest level of technical escalation within the IT department. This role carries a dual mandate: maintaining the reliability, performance, and security of existing infrastructure, and engineering new solutions that support business growth and modernization.

You will handle complex technical issues that cannot be resolved by Tier 1 or Tier 2 support while simultaneously architecting and deploying next-generation infrastructure. Networking is a core competency for this role — you will own and evolve the organization’s network environment alongside Windows Server, Microsoft Azure, Intune, infrastructure monitoring platforms, and line-of-business application maintenance.

Responsibilities

Act as the highest escalation point for infrastructure, system, and network issues
Maintain, support, and continuously improve existing server, network, and endpoint infrastructure
Engineer and deploy new infrastructure solutions from design through implementation, aligned with business growth and modernization goals
Own and evolve the organization’s network infrastructure — including firewalls, routers, switches, VLANs, and VPNs — both maintaining current environments and designing improvements
Troubleshoot and resolve complex technical issues across servers, endpoints, and network systems
Manage and maintain Windows Server environments and Active Directory infrastructure
Monitor system and network performance using platforms such as Zabbix; deploy and manage infrastructure monitoring and alerting solutions
Architect and lead deployment of new infrastructure solutions aligned with business growth and modernization goals
Own and administer Microsoft Azure and hybrid cloud environments
Deploy, manage, and maintain endpoint environments using Microsoft Intune
Support and maintain line-of-business applications, including patching, updates, and vendor coordination
Support virtualization environments and ensure system availability and performance
Assist with infrastructure projects, including migrations, deployments, and integrations
Provide technical guidance and escalation support to Tier 1 and Tier 2 teams
Maintain technical documentation, network diagrams, and system procedures
Ensure security best practices, patch management, and system hardening standards are followed
Evaluate and recommend new technologies to improve infrastructure efficiency and reliability

Requirements:

Bachelor’s degree in Information Technology, Computer Science, or related field preferred
5+ years of experience in IT infrastructure, systems administration, or network engineering
Strong experience with Windows Server (2016/2019/2022) environments
Advanced knowledge of Active Directory, DNS, DHCP, and Group Policy
Strong networking experience including switches, routers, VLANs, VPNs, and firewalls – required
Experience troubleshooting both server and network infrastructure issues
Experience with virtualization (Hyper-V or VMware)
Hands-on experience with Microsoft Azure and hybrid cloud environments – required
Proficiency with endpoint management tools, specifically Microsoft Intune – required
Experience with infrastructure monitoring platforms such as Zabbix, or demonstrated ability and willingness to learn
Experience supporting and maintaining line-of-business applications, including patching and vendor coordination
Strong problem-solving and analytical skills
Ability to mentor and support Tier 1 and Tier 2 technicians
Certifications such as CCNA, Microsoft certifications (Azure, Intune), or equivalent preferred

Benefits: AFIC offers a competitive salary and a comprehensive benefits package to support you

Competitive Salary: Rewarding your expertise and experience
Financial Security: 401K with up to a 6% company match
Health & Wellness: Choice of Blue Cross Blue Shield PPO, HMO, or HSA plans, Dental and vision coverage, Access to telemedicine services
Growth/Stability: Over 12 consecutive years of profitable growth, confirmed by A+ Superior rating by A.M. Best
Work-Life Balance: Monday-Friday, 8 am-5 pm CST (Weekends- if needed)
Holidays: At Least 6 Paid Holidays
Paid Time Off (PTO): PTO that can be used for vacation, personal, or sick time
Personal Days: Separate personal days for sickness, family needs, appointments or personal matters
Employee Recognition: We celebrate work milestones to show appreciation for your contributions
Professional Growth: Paid training, state licensing reimbursement, and opportunities for advancement
Positive Culture: Enjoy our inclusive holiday events, employee referral bonuses, virtual team meetings, and more

Quick Apply

Refine Your Search

Windows Systems Engineer jobs in Naperville, IL

IT Technician Tier 3 – Senior Systems & Network Engineer

Senior Windows Administator / Platform Engineer IV

T3 Service Desk Engineer

Level 2 / Level 3 Engineer

ASC IT Systems Engineer

Desktop Support Engineer

SCCM Engineer

(MSP Experience Required) Sr. Systems Engineer

Engineer, Cloud and IT Systems

System Engineer

Tier II Engineer

Project Engineer

IT Site Reliability & Performance Engineer

Cloud Engineer (Remote)

Systems Engineer

SYSTEMS ADMINISTRATOR / ENGINEER

Infrastructure Engineer - Digital Network

Level III Software Support Engineer

Systems Engineer - Infrastructure & Managed Services

IT Infrastructure Engineer

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