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Ginas Tech Jobs

Tier 3 Systems & Network Engineer

Full-TimeUpdated on 10/23/2026
$80k - $100k/yr
Senior
Bachelor's
Mt Prospect, IL, USA
In Person100% onsite in Mount Prospect, Illinois.
IT OperationsSystem Administration, Network Engineering & Administration

About the job

Requirements
  • A bachelor's degree in Information Technology, Computer Science, or a related field is preferred.
  • Hands-on experience with Microsoft Azure and hybrid cloud environments is required.
  • Proficiency with endpoint management tools, specifically Microsoft Intune, is required.
  • Strong networking experience with switches, routers, virtual LANs, virtual private networks, and firewalls is required.
  • At least 5 years of experience in IT infrastructure, systems administration, or network engineering is required.
  • Strong experience with Windows Server environments, including versions 2016, 2019, and 2022.
  • Advanced knowledge of Active Directory, Domain Name System, Dynamic Host Configuration Protocol, and Group Policy.
  • Experience troubleshooting server and network infrastructure issues.
  • Experience with virtualization using Hyper-V or VMware.
  • 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.
  • Ability to mentor and support Tier 1 and Tier 2 technicians.
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 network infrastructure, including firewalls, routers, switches, virtual LANs, and virtual private networks, by 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, and deploy and manage infrastructure monitoring and alerting solutions.
  • Architect and lead the 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 technologies to improve infrastructure efficiency and reliability.
Desired Qualifications
  • Certifications such as CCNA, Microsoft Azure certifications, Microsoft Intune certifications, or equivalent are preferred.

About the company

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