Network & Systems Administrator

Diversified Services Network, Inc.; Naperville (IL); On-site; USD 83,000 - 94,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Vision insurance

Disability insurance

Employee assistance program

Health insurance

Health savings account

Life insurance

Paid time off

Paid Holidays

Job summary

Diversified Services Network, Inc. is seeking a Network & Systems Administrator in Naperville, Illinois to maintain and secure our IT environment.

This is a hands-on, on-site role supporting both local and remote employees, with responsibilities across Azure, Windows, M365, AD, and network infrastructure. You will configure devices, manage security platforms like CrowdStrike and NinjaOne, and coordinate with service providers.

Qualifications

• Experience supporting Windows environments.
• Hands-on experience with Azure, M365, and Active Directory.
• Experience supporting desktop and laptop hardware.
• Knowledge of TCP/IP, DNS, DHCP, LAN/WAN, VPN, and Wi-Fi.
• Must be able to work on-site at DSN's Naperville, Illinois office.

Responsibilities

• Administer and support Azure, Windows, Microsoft 365, and Active Directory environments.
• Create, modify, and deactivate employee accounts, permissions, security groups, and system access.
• Set up and configure laptops and desktops for new employees, including software, email, Microsoft 365, security applications, and network connectivity.
• Support Dell desktops, laptops, docking stations, monitors, and related equipment.
• Diagnose hardware issues and perform upgrades, including memory and components.
• Administer and support endpoint monitoring and management through NinjaOne.
• Support and monitor endpoint cybersecurity protection using CrowdStrike.
• Configure, maintain, and troubleshoot Cisco Meraki routers, switches, wireless access points, firewalls, and related network equipment.
• Support Comcast internet and telecommunications services and coordinate with service providers.
• Install, renew, configure, and troubleshoot SSL certificates and secure connections.
• Troubleshoot LAN, WAN, Wi‑Fi, VPN, DNS, DHCP, internet, and other connectivity issues.
• Configure and support secure connectivity for remote employees.
• Monitor network and system performance and identify security, capacity, connectivity, and equipment concerns.
• Apply OS, software, firmware, and security updates and patches.
• Maintain device inventory and assist with deployment, replacement, upgrades, and retirement.
• Troubleshoot Microsoft 365 apps, Windows OS, email, printers, and other end-user issues.
• Provide responsive technical support to employees with varying technical knowledge.
• Maintain documentation related to network configurations, user access, equipment, procedures, licenses, and IT assets.
• Assist with backup, recovery, business continuity, and disaster recovery activities.
• Follow cybersecurity best practices related to access controls, MFA, encryption, and endpoint protection.
• Coordinate with third-party vendors and service providers.
• Assist with tech upgrades, migrations, implementations, and IT projects.
• Identify opportunities to improve security, reliability, automation, and efficiency.

Skills

Windows environments

Azure

Microsoft 365

Active Directory

Networking

Cybersecurity

Troubleshooting

Technical communication

On-site work

Scripting (PowerShell/Python)

Education

Bachelor's degree in IT/CS

Tools

Cisco Meraki

NinjaOne

CrowdStrike

SSL certificates

Dell hardware

PowerShell

Python

Job description

Position Summary

The Network & Systems Administrator is responsible for supporting and maintaining the organization’s network, cloud, hardware, software, cybersecurity, and end-user technology environment. This is a hands-on, on-site position based in Naperville, Illinois, supporting both local and remote employees.

The position provides technical support across Microsoft Azure, Windows, Microsoft 365, Active Directory, network infrastructure, endpoint security, and Dell desktop and laptop systems. The Network & Systems Administrator will ensure employees have reliable and secure access to the systems, equipment, and resources needed to perform their work.

Essential Duties and Responsibilities

• Administer and support Microsoft Azure, Windows, Microsoft 365, and Active Directory environments.
• Create, modify, and deactivate employee accounts, permissions, security groups, and system access.
• Set up and configure laptops and desktops for new employees, including software, email, Microsoft 365, security applications, and network connectivity.
• Support Dell desktops, laptops, docking stations, monitors, and related equipment.
• Diagnose hardware issues and perform upgrades, including adding or replacing memory and other computer components.
• Administer and support endpoint monitoring and management through NinjaOne.
• Support and monitor endpoint cybersecurity protection using CrowdStrike.
• Configure, maintain, and troubleshoot Cisco Meraki routers, switches, wireless access points, firewalls, and related network equipment.
• Support Comcast internet and telecommunications services and coordinate with service providers when troubleshooting outages or connectivity issues.
• Install, renew, configure, and troubleshoot SSL certificates and secure connections.
• Troubleshoot LAN, WAN, Wi‑Fi, VPN, DNS, DHCP, internet, and other connectivity issues.
• Configure and support secure connectivity for employees working remotely.
• Monitor network and system performance and proactively identify security, capacity, connectivity, and equipment concerns.
• Apply operating system, software, firmware, and security updates and patches.
• Maintain device inventory and assist with equipment deployment, replacement, upgrades, and retirement.
• Troubleshoot Microsoft 365 applications, Windows operating systems, email, printers, and other end-user technology issues.
• Provide responsive technical support to employees with varying levels of technical knowledge.
• Maintain documentation related to network configurations, user access, equipment, procedures, licenses, and IT assets.
• Assist with backup, recovery, business continuity, and disaster recovery activities.
• Follow cybersecurity best practices related to access controls, multifactor authentication, encryption, endpoint protection, and system security.
• Coordinate with third-party technology vendors and service providers.
• Assist with technology upgrades, migrations, implementations, and IT projects.
• Identify opportunities to improve the security, reliability, automation, and efficiency of the organization’s technology environment.
• Perform other IT‑related responsibilities as assigned.

Required Qualifications

• Experience supporting Microsoft Windows environments.
• Hands‑on experience with Microsoft Azure, Microsoft 365, and Active Directory.
• Experience supporting desktop and laptop hardware.
• Knowledge of network administration, including routers, switches, wireless networks, VPNs, firewalls, and internet connectivity.
• Understanding of TCP/IP, DNS, DHCP, LAN/WAN, VPN, and Wi‑Fi.
• Knowledge of cybersecurity and access‑management practices.
• Strong troubleshooting and problem‑solving skills.
• Ability to communicate technical information clearly to non‑technical users.
• Ability to manage multiple priorities and respond effectively to urgent technical issues.
• Must be able to work on‑site at DSN's Naperville, Illinois office.

Preferred Qualifications

• Bachelor's degree in Information Technology, Computer Science, Information Systems, or a related field preferred; equivalent education and relevant professional experience may be considered.

• Experience with Cisco Meraki networking equipment.
• Experience with Dell desktops and laptops.
• Experience with NinjaOne or similar endpoint management platforms.
• Experience with CrowdStrike or similar endpoint security platforms.
• Experience administering SSL certificates.
• Experience with Comcast Business internet/connectivity services.
• Experience with IT automation, scripting, or programming languages such as PowerShell, Python, or similar technologies is a plus.
• Experience or familiarity with artificial intelligence (AI) tools, AI-enabled business applications, automation, or the integration of AI into IT processes is a plus.
• Microsoft, Azure, Cisco/Meraki, or other relevant IT certifications are a plus.

Annual Salary Range: $83,200 to $93,600

• 401(k)
• Dental insurance
• Vision insurance
• Disability insurance
• Employee assistance program
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Paid Holidays