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Senior Systems Engineer

Network Connex
Downers Grove, IL Full Time
POSTED ON 11/25/2025 CLOSED ON 12/19/2025

What are the responsibilities and job description for the Senior Systems Engineer position at Network Connex?

Job Summary: Maintain essential IT infrastructure, including operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware. Take responsibility for projects and solutions within the larger business initiative. Handle business-critical IT tasks and systems that provide commercial advantage in the global marketplace. Enable faster and smarter business processes and develop analytics for meaningful insights. Work with internal and external partners to communicate project status, activities, and achievements.

Job Duties And Responsibilities

  • Perform server administration tasks (ex: user/group, security permissions, group policies, print services); research event-log warnings and errors; and monitor resources to ensure that systems architecture components work together seamlessly
  • Monitor data-center health using existing management tools, and respond to hardware issues as they arise; help build, test, and maintain new servers when needed
  • Maintain internal infrastructure requirements, including laptop and desktop computers, servers, routers, switches, firewalls, printers, phones, security updates; support internet, intranet, LANs, WANs, and network segments
  • Assist the help desk and other teams with troubleshooting to identify root cause, and provide technical support when needed
  • Perform routine and scheduled audits of all systems, including backups
  • Create and maintain critical systems documentation
  • Maintain and administer cloud environments such as Microsoft Azure
  • Plan and implement infrastructure projects such as server and network implementations
  • Assist in security management including network and endpoint security

Education And Experience

  • Associate or Bachelor's degree in Computer Science, Information Technology, System Administration, or a closely related field, or equivalent experience required
  • 3-5 years of database, network administration, or system administration experience
  • System administration and IT certifications in Linux, Microsoft, or other network related fields are a plus
  • Working knowledge of virtualization, VMWare, or equivalent
  • Strong knowledge of systems and networking software, hardware, and networking protocols
  • Experience with scripting and automation tools
  • A proven track record of developing and implementing IT strategy and plans
  • Strong knowledge of implementing and effectively developing helpdesk and IT operations best practices, including expert knowledge of security, storage, data protection, and disaster recovery protocols

Physical Requirements

  • Sitting, standing and walking for extended periods of time.
  • Lifting, carrying, pushing or pulling objects up to 25 pounds.
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Salary.com Estimation for Senior Systems Engineer in Downers Grove, IL
$116,308 to $136,354
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