Tier 3 Systems & Network Engineer, MS Azure and MS Intune Required, Onsite in Mount Prospect, IL

Job Description

Tier 3 Systems & Network Engineer, MS Azure and MS Intune Required, Onsite in Mount Prospect, IL

As an onsite Tier 3 Systems & Network Engineer, you will serve as the highest level of technical escalation within the IT department.  The role requires strong networking, Windows Server, Microsoft Azure, and Microsoft Intune experience, along with the ability to manage infrastructure projects and troubleshoot complex technical issues.  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.  Microsoft Azure and Microsoft Intune are REQUIRED for this opening.  This position is 100% Onsite.

Tier 3 Systems & Network Engineer 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.

Qualifications

Tier 3 Systems & Network Engineer Qualifications:

- Bachelor’s degree in Information Technology, Computer Science, or related field 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 including switches, routers, VLANs, VPNs, and firewalls is required.

- 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.

- Experience troubleshooting both server and network infrastructure issues.

- Experience with virtualization (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.

- 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 include Competitive Salary, 401K, Health, Work-Life Balance, Holidays, Paid Time Off (PTO), Personal Days, Employee Recognition Work milestones, Paid training, State Licensing Reimbursement, and opportunities for advancement, Enjoy our inclusive holiday events, employee referral bonuses, virtual team meetings, and more.

Keywords:  Mount Prospect IL Jobs, Active Directory, DHCP, DNS, Firewalls, Group Policy, Hybrid Cloud, Hyper-V, IT Technician, Microsoft Azure, Microsoft Intune, Network Engineering, Network Infrastructure, Network, Networking, Routers, Switches, Systems Administration, Tier 3 Systems & Network Engineer, Onsite, Virtualization, VLANs, VmWare, VPNs, Windows Server (2016/2019/2022), Zabbix, Illinois Recruiters, IT Jobs, Illinois Recruiting

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Additional Information

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