137 network system engineer jobs at 82 companies in Tinley Park, IL
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System Design Engineer
Dallas or Ottawa or Naperville or Westford or Canada
$108k-$154k/yr HybridFull Time
5+ YOEMaster's in Engineering/Computer Science/Physics,5+ years industry experience,carrier-class networking knowledge,WDM/IP/MPLS/GMPLS/Ethernet,proficiency with scripting and planning tools,strong analytical and problem-solving skills.
Microsoft Excel, Matlab, Python, OPNET, VPISystems, RSoft, Wandl, Cariden, SQL, Perl, C++, Java, Visual Basic
3d
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Network Systems Engineer
Oak Brook, Illinois, United States
$121k-$125k/yr OnsiteFull Time
2+ YOEBachelor’s degree in a related computer field, 2 years of network engineering or systems administration experience, networking and security expertise, programming and shell scripting experience, and Azure Solutions Architect certification.
TCP/IP, DNS, DHCP, PowerShell, DOS, C, C#, SQL, LAN/WAN
2mo
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Systems & Network Engineer
Pingree Grove or United States or North America
$110k-$115k/yr OnsiteFull Time
Microsoft server OS, network protocols/hardware, virtualization, security, and Azure expertise; ability to balance multiple priorities; authorized to work in the US; no visa sponsorship available.
Microsoft Server, Azure, Virtualization, Networking
1mo
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Distinguished Engineer (Global Network)
McLean or Chicago or New York City or Plano or Richmond or San Francisco
$245k-$335k/yr OnsiteFull Time
7+ YOEBachelor's degree and 7+ years each in software engineering/system architecture and network engineering/architecture. Preferred: cloud, coding, networking, infrastructure automation, and full system-development lifecycle experience.
Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi-Fi, SD-WAN, Cloud Networking, Data Center Networking
1w
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System Administrator II - Network
Chicago or Las Vegas or Reykjavik or Vancouver
$105k/yr HybridFull Time
5+ YOE5+ years in network administration or engineering, enterprise networking, firewalls, VPNs, wireless, monitoring, and troubleshooting; bachelor's degree or equivalent practical experience preferred.
TCP/IP, VLAN, OSPF, BGP, QoS, Palo Alto, Fortinet, Cisco ASA, VPN, SD-WAN, Meraki, Aruba, Azure, AWS, CCNA, CCNP
2mo
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Network Telecom Engineer
Chicago, Illinois, United States
OnsiteFull Time
5+ YOE5+ years experience administering LAN/WAN/VLAN networks, configuring and securing network systems, performing backups and disaster recovery, administering user accounts and VPN, and providing technical training and oversight.
LAN, WAN, VLAN, VPN, firewalls
1mo
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Distinguished Engineer (Global Network)
McLean or Chicago or New York City or Plano or Richmond or San Francisco
$245k-$335k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years in software engineering and system architecture, and 7+ years in network engineering and architecture. Strong networking, cloud, automation, and coding experience required.
Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi-Fi, SD-WAN, Cloud Networking, Data Center Networking, Global Payment Network (GPN)
3mo
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Manager, Network Engineering
Warrenville or Skokie or Arlington Heights
$59-$91/hr HybridFull Time
5+ YOE2+ MgmtBachelor’s degree; 5+ years managing processes, applications, or systems in healthcare; 2+ years of leadership; strong communication and vendor management; network engineering knowledge.
Cisco switching, Palo Alto firewalls, F5 load balancers, LAN/WAN, WiFi, Network security
2mo
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Network Systems Engineer (Pre Sales) - Trading Platforms
Chicago, Illinois, United States
$130k-$175k/yr OnsiteFull Time
5+ YOEMinimum 5 years networking design and implementation experience (data center, campus, Wi‑Fi, security); routing & switching expertise; strong presentation and customer-facing skills; Python/Ansible and Arista ACE certification desired.
Python, Ansible
4d
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Distinguished Engineer (Global Payment Network)
McLean or Plano or Houston or Riverwoods
$245k-$307k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years in general software and software engineering or solution architecture, plus expertise in cloud, networking, system development, and technical leadership.
Claude Code, Windsurf, Java, Python, Go, JavaScript, TypeScript, Swift, BGP, Wi-Fi, SD-WAN
2mo
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Senior Network Engineer [Onsite] [Not Eligible for Sponsorship, No H-1B]
Oak Brook, Illinois, United States
$90k-$120k/yr OnsiteFull Time
5+ YOE5+ years network engineering and system administration experience; expertise in TCP/IP, DNS, SNMP, WAN, VLANs, firewalls, VPN, VMware, Microsoft Active Directory, Microsoft Azure, SAN, and SQL Server; BS in IT or related field; on-call and weekend availability.
Microsoft Azure, VMware, Microsoft Active Directory, SQL Server, SQL Reporting Services, SAN, TCP/IP, DNS, SNMP, VLANs, VPN, firewalls, switches, wireless access points
2w
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IT Technician Tier 3 – Senior Systems & Network Engineer
Mount Prospect, Illinois, United States
$80k-$100k/yr OnsiteFull Time
5+ YOE5+ years IT infrastructure experience with Windows Server, Active Directory, networking, Azure and Intune; strong troubleshooting, virtualization, monitoring (Zabbix) and mentoring skills.
Windows Server, Active Directory, DNS, DHCP, Group Policy, Hyper-V, VMware, Microsoft Azure, Microsoft Intune, Zabbix
2d
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System Engineer (GovCon) Remote
McLean or Lombard or Shreveport or Overland Park
$70k-$90k/yr RemoteFull Time
3+ YOERequires 3–7 years in systems engineering, infrastructure, or advanced support; NinjaOne, Windows Server, networking, virtualization, Azure, documentation, client service, organization, and professional English skills.
NinjaOne, Windows Server, Active Directory, Group Policy Objects (GPOs), DNS, DHCP, Hyper-V, VMware, Microsoft Azure, Azure Virtual Desktop (AVD), VLANs, RAID, VNets, Microsoft, Citrix, Cisco, CMMC, NIST SP 800-171
2mo
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Principal Software Development Engineer (IC4) - Network Region Build (NRB)
United States or Abilene or Austin or Nashville or Chicago or Pittsburgh or Philadelphia or Saline
$115k-$235k/yr OnsiteFull Time
6+ YOEStrong software engineering in Python/Java/Go/Rust, networking fundamentals (BGP, TCP/IP, IPv6), experience with distributed systems, Git and CI/CD, Linux production environments; 6+ years experience.
Python, Java, Go, Rust, Git, GitHub Copilot, ChatGPT Enterprise, Oracle AI, Codex, YANG, OpenConfig, NETCONF, gNMI, OCI - DNS, TCP/IP
2mo
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Senior Network Architect & Administrator
Chicago, Illinois, United States
$150k-$185k/yr OnsiteFull Time
8+ YOEDesign, implement, and maintain enterprise network for trading systems; 8+ years in network engineering; expertise in NGFW, cloud networking, and financial connectivity.
NGFW platforms, Cloud platforms (AWS, Azure, GCP), SIEM (Splunk, Sentinel, QRadar, Elastic), IAM platforms (Azure AD/Entra, Okta, Ping), ZTNA, MFA, Python, PowerShell, Ansible
1mo
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Lead OT Network Systems
Chicago, Illinois, United States
$142k-$177k/yr OnsiteFull Time
7+ YOETechnical leader for OT infrastructure and cybersecurity across manufacturing sites; requires 7+ years OT infrastructure/automation/industrial networking or OT cybersecurity experience, bachelor\u0002s degree (or equivalent), expertise with Allen-Bradley/Rockwell, VMware, Windows, Claroty, EDR/NDR, micro-segmentation, incident response, and OT SOC ...
Allen-Bradley, Rockwell IDC, VMware, Windows, Claroty, CTD, xDome, EDR, NDR, micro-segmentation, Purdue reference architecture, IEC 62443, NIST CSF
1w
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System Administrator II
Las Vegas or Chicago
$105k/yr HybridFull Time
5+ YOERequires 5+ years in network administration or engineering, multi-site network ownership, enterprise switching and routing, firewall and VPN administration, wireless design, and troubleshooting. Bachelor's degree or equivalent practical experience required.
TCP/IP, DNS, DHCP, VLANs, OSPF, BGP, QoS, Palo Alto, Fortinet, Cisco ASA, VPN, SD-WAN, Meraki, Aruba, Azure, AWS, CCNA, CCNP
2mo
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Principal Systems Engineer (Chicago, IL, US)
Chicago, Illinois, United States
OnsiteFull Time
4+ YOELead design and development of IFEC systems and related networks; define system requirements; collaborate with product, software, and hardware teams.
Docker, VMs, Jama Connect, QUIC, TCP/IP, HTTP, 802.11, SD-WAN, firewalls, networking protocols
2mo
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IT Engineer (Voice, Network, Systems & CCaaS)
Downers Grove, Illinois, United States
$100k-$110k/yr HybridFull Time
Owns voice, network, and CCaaS platforms; hands-on Cisco UC and Teams Voice; experience with CCaaS (Five9, Zoom, Nice); strong networking and real-time traffic knowledge; migration and automation experience.
CUCM, Unity, Jabber, Five9, Zoom, Nice, Microsoft Teams, SSO, APIs, PowerShell, SolarWinds, SASE, SD-WAN
1mo
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Lead OT Network Systems
Chicago, Illinois, United States
$142k-$177k/yr OnsiteFull Time
7+ YOEBachelor's in engineering/IT/cybersecurity/computer science (or equivalent OT experience); 7+ years in OT infrastructure, automation, industrial networking, or OT cybersecurity; deep experience with Windows, VMware, Allen-Bradley/Rockwell, EDR/NDR, Claroty; MSP and incident response experience.
Allen-Bradley, Rockwell, VMware, Windows, Claroty, Claroty CTD, Claroty xDome, EDR, NDR, micro-segmentation, Purdue OT reference architecture, IEC 62443, NIST CSF
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