2mo
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Network Engineer I
Scottsdale or San Francisco or Chicago or New York City or Phoenix
$64k-$88k/yr HybridFull Time
2+ YOEBachelor's or equivalent in CIS or related, 2+ years network experience, hands-on with firewalls/load balancers/Cisco/Juniper, strong TCP/IP and OSI knowledge, virtualization (ESX/vSwitch), common TCP/IP services (DNS, DHCP, HTTP, HTTPS, SFTP, SSH, SSL, SMTP), network monitoring, and on-call availability.
Firewalls, Load Balancers, Cisco, Cisco VPN, Juniper, Palo Alto, ESX, vSwitch, OSI, DNS, DHCP, HTTP, HTTPS, SFTP, SSH, SSL, SMTP
2mo
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Infrastructure Engineer I
Chicago, Illinois, United States
$80k-$100k/yr OnsiteFull Time
5+ YOE5+ years networking/infrastructure engineering; strong firewall, switching, routing (Fortinet preferred); multi-tenant MSP experience; DNS/DHCP/VLAN, VPN, Azure/VMware familiarity.
Fortinet, Meraki, Aruba, Cisco, SD-WAN, VPN, Azure, VMware, Hyper-V, ITGlue, Microsoft 365
2w
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Lead Instrumentation & Controls Engineer 2 - Nuclear
Chicago, Illinois, United States
$135k-$206k/yr HybridFull Time
12+ YOEABET‑accredited BS/MS in engineering, 12+ years I&C design experience for commercial/industrial projects, PE preferred, PLC/DCS/HSI/network knowledge, project management and client interface skills.
PLC, DCS, HSI, Python, MATLAB, Microsoft Excel, AI
1mo
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Sr. Software Engineer II, Exchange Connectivity
Chicago, Illinois, United States
$140k-$190k/yr HybridFull Time
8+ YOE8+ years trading industry experience; strong C++ or Rust skills; experience building exchange connectivity and market data systems; knowledge of network programming (multicast UDP, TCP, async I/O) and trading protocols (FIX, SBE); bachelor's degree in CS/EE or related; production trading systems experience.
C++, Rust, REST, WebSocket, FIX, SBE, ITCH, OUCH, FIX/FAST, CME MDP, Eurex ETI, perf, VTune, Wireshark, IBM MQ, Linux, NUMA, PTP