3mo
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Network Systems Engineer
Itasca, Illinois, United States
$120k-$140k/yr OnsiteFull Time
5+ YOE5+ years network/systems engineering experience; Bachelor's degree or equivalent; experience with enterprise networking, Windows Server, virtualization, Azure/M365; strong security and troubleshooting skills.
Windows Server, Active Directory, Group Policy, VMware, Hyper-V, Microsoft Azure, M365, Microsoft Sentinel, Splunk
1mo
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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
3d
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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
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
2w
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Senior Systems Engineer
Des Plaines, Illinois, United States
$100k-$150k/yr OnsiteFull Time
10+ YOEBachelor's degree in engineering with 10+ years experience, strong networking and routing knowledge, Linux and C/C++ proficiency, hardware/software troubleshooting, ability to obtain US security clearance and to travel.
Linux, C/C++, MANET, HAIPE
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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Controls Systems Engineer
Bedford Park, Illinois, United States
$84k-$113k/yr OnsiteFull Time
Bachelor's in electrical/controls engineering; DeltaV and Rockwell experience; PLC/DCS knowledge; project management; strong communication.
DeltaV, Rockwell, PLC, DCS, Data historians, Network infrastructure, CCNP (Certification)
1mo
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Systems Engineer
United States or Chicago
RemoteFull Time
3+ YOE3+ years systems engineering or administration experience; strong Windows and Linux server knowledge; virtualization (VMware/Hyper-V); cloud familiarity (AWS, Microsoft Azure, Google Cloud); networking and monitoring skills.
Windows, Linux, VMware, Hyper-V, Amazon Web Services, Microsoft Azure, Google Cloud, TCP/IP, DNS, DHCP, VPNs, firewalls, system monitoring, automation, scripting
3w
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Campus Systems Engineer (Intern)
Chicago, Illinois, United States
OnsiteInternship
Pursuing a technical degree; experience with Linux/UNIX, shell scripting, Python, and networking concepts; strong operational focus and ability to communicate under pressure.
Linux, UNIX, Python
1w
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Sr. Systems Engineer - Hybrid - Schaumburg, IL
Schaumburg or Elgin or Illinois
$120k-$140k/yr HybridFull Time
Bachelor's in engineering/CS/IT or related, experience with radio communications, IP networking, servers/virtualization, project leadership, ability to obtain government background clearance.
APCO Project 25, ESXi, KVM, Linux, Microsoft Windows Server, Microsoft Active Directory, Microsoft Windows Group Policy, Juniper, Aviat, Cisco, Nokia/Alcatel, Xtreme, Ceragon, HPE Server, DELL PowerEdge Servers, HP Z2 Mini, HP ZBook, OSPF, ISIS, iBGP, eBGP, M-BGP, MPLS RSVP-TE, LDP, IPSec, Bash, PowerShell, Python, SSH, SCP, Telnet, Remote Desktop Protocol (RDP), Server Message Block (SMB), Wireshark, Ansible
3w
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Control Systems Engineer - PLC
Elwood, Illinois, United States
$70k-$100k/yr OnsiteFull Time
3+ YOEBachelor's in engineering required, 3+ years supporting intralogistics automation, strong Siemens and Beckhoff PLC experience, ability to diagnose PLC/HMI/drives/VFDs and industrial networks (PROFINET), ITIL-style ticketing familiarity, ability to travel ~30%.
PLC, Siemens, Beckhoff, HMI, PROFINET, VFD, ITIL
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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Systems Engineer - Infrastructure & Managed Services
Tinley Park or United States
$80k-$100k/yr HybridFull Time
3+ YOE3+ years in systems engineering or administration in an MSP; strong Windows and Microsoft 365; experience across multiple environments; able to diagnose complex issues.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, SharePoint Online, Teams, OneDrive, Entra ID, Intune, VMware, Hyper-V, VPN, Firewall, Networking, RMM tools, PSA platforms
2mo
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Linux Systems Engineer
Chicago, Illinois, United States
OnsiteFull Time
Linux systems, Python automation, Bash scripting, Ansible, Git, and basic networking; experience with Linux services and virtualization.
Python, Bash, Ansible, Git, VMware, Monitoring systems, systemd, SSH, DNS, DHCP
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
1mo
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Senior Presales Systems Engineer - Chicago, IL
Chicago, Illinois, United States
$146k-$343k/yr RemoteFull Time
8+ YOE8+ years in presales/systems engineering or network architecture; experience with routing, switching, wireless, network security; strong presentation and consultative selling skills; ability to travel ~40–60% in Chicago territory.
HPE, Aruba, Juniper
1mo
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Senior Systems Engineer
Chicago, Illinois, United States
OnsiteFull Time
5+ YOE5+ years supporting enterprise storage sales to large IT organizations; knowledge of distributed storage, DAS/NAS/SAN, virtualization, high-performance networking, and enterprise security; strong presentation and communication skills; ability to work in unstructured environments.
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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Senior Presales Systems Engineer - Chicago, IL
Chicago, Illinois, United States
$146k-$343k/yr RemoteFull Time
8+ YOE8+ years in pre-sales/systems engineering or network architecture, strong routing/switching/wireless/security knowledge, experience with enterprise networking solutions, customer-facing presales experience, ability to travel 40–60% and reside near Chicago.
Aruba, Juniper, SD-WAN
1mo
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Senior Presales Systems Engineer - Chicago, IL
Chicago, Illinois, United States
$146k-$343k/yr RemoteFull Time
8+ YOE8+ years in pre-sales/systems engineering or network architecture; strong routing, switching, wireless, and network security expertise; ability to lead customer-facing technical sales engagements; reside near or support Chicago territory; travel 40–60%.
Aruba, Juniper, Cisco, Fortinet, HPE
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