PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2d
Save
Mark Applied
Hide
[UNION] Operating Engineer
Rosemont, Illinois, United States
$44-$52/hr OnsiteFull Time
5+ YOE5+ years operating and maintaining mechanical, electrical, and plumbing systems in commercial properties; trade licenses/permits and basic computing skills required.
Microsoft Outlook, Microsoft Excel, Microsoft Word
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Chief Operating Engineer, Facilities (FT), MFRE30115FOM
Glen Ellyn, Illinois, United States
$112k/yr OnsiteFull Time
5+ YOE3+ MgmtOversee building systems and staff; Bachelor\u0002s in MEP or equivalent, City of Chicago Stationary Engineers license, EPA Universal Refrigerant Technician, 5-7 years operating plant equipment with 3 years supervisory experience; required safety trainings.
Computerized maintenance system
2mo
Save
Mark Applied
Hide
Space Principal/ Sr. Principal Launch and Operations Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
5+ YOESenior/Principal Systems Engineer with DoD Top Secret clearance; strong ground software integration; Python/MATLAB; 5+ yrs (BS) or 3+ yrs (MS) experience; willing to travel.
Python, MATLAB
2w
Save
Mark Applied
Hide
Systems Support Engineer
Evanston, Illinois, United States
$76k-$105k/yr HybridFull Time
5+ YOESupport Microsoft 365/Copilot, Azure, endpoints, identity, patching, help desk, and IT projects in a HIPAA-compliant environment; Bachelor's degree or 5+ years IT operations experience; preferred CompTIA/ITIL/Microsoft certifications.
Microsoft Copilot, Microsoft 365, Azure, Intune, Jamf, PowerShell
1mo
Save
Mark Applied
Hide
Systems Analyst
Peoria, Illinois, United States
$25-$40/hr FieldFull Time
2+ YOE2+ years facilities/operations or data analysis experience; degreed mechanical engineer or equivalent experience preferred; CEM/CFM certifications preferred; proficient with CMMS, Microsoft Office, and energy software.
Computerized Maintenance Management Systems (CMMS), Microsoft Office Suite, Desktop PC, energy software
1mo
Save
Mark Applied
Hide
Systems Analyst
Peoria, Illinois, United States
$25-$40/hr OnsiteFull Time
2+ YOEDegreed mechanical engineer or equivalent experience; 2+ years facilities/operations or data analysis experience; proficient with CMMS and Microsoft Office; CEM preferred, CFM noted; strong analytical, communication, and data visualization skills.
Desktop PC, Microsoft Office Suite, Computerized Maintenance Management Systems (CMMS), energy software
1mo
Save
Mark Applied
Hide
Systems Analyst
Peoria, Illinois, United States
$25-$40/hr HybridFull Time
2+ YOE2+ years facilities/operations or data analysis experience; degreed mechanical engineer or equal experience preferred; CEM/CFM certifications preferred; proficiency with CMMS, Microsoft Office, and energy software; strong communication and analytical skills.
Computerized Maintenance Management Systems (CMMS), Microsoft Office Suite, energy software
2mo
Save
Mark Applied
Hide
Space Principal/ Sr. Principal Launch and Operations Systems Engineer
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
0+ YOEActive U.S. DoD Top Secret clearance with SCI eligibility; BS/MS/PhD in engineering or physics with relevant years of experience; proficiency with Python and MATLAB; integration, test, and ground-software experience; strong communication and customer engagement skills.
Python, MATLAB, signal generator, spectral analyzer
1mo
Save
Mark Applied
Hide
Senior IT VMware Systems Engineer
New York or Jersey City or Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia
HybridContract
5+ YOE5+ years designing and supporting large-scale VMware environments (vSphere, NSX-T, vSAN); experience migrating to VMware Cloud Foundation 9; strong automation with PowerCLI, Ansible, Terraform, PowerShell/Python; Aria Operations/VRLI/VRNI experience; W2 employment required; no sponsorship.
VMware Cloud Foundation 9 (VCF 9), vSphere, NSX T, vSAN, Aria Operations, VRLI, VRNI, vRealize Automation (vRA), Ansible, Terraform, PowerCLI, PowerShell, Python, LLM, EMC/Isilon, Pure Storage, NetApp, iSCSI
3mo
Save
Mark Applied
Hide
GTM Systems Architect, Ripple Treasury (AI & Automation)
Chicago, Illinois, United States
HybridFull Time
3+ YOE3-5 years in GTM Operations, Growth Engineering, or RevOps; strong AI tooling and automation experience; systems thinking; API integrations; Python/JavaScript a plus.
Gemini, Claude, GPT-4, Make, n8n, Zapier, Clay, API integrations, Python, JavaScript, CRM
4w
Save
Mark Applied
Hide
Engineer (Transmission Operations)
Glen Carbon, Illinois, United States
$71k-$172k/yr OnsiteFull Time
Bachelor's in engineering required; obtain NERC System Operator certification within one year; NERC cyber security background check; knowledge of transmission systems, EMS/SCADA, MISO/SERC practices, and power system studies; strong communication and computer skills.
Energy Management System (EMS), Supervisory Control and Data Acquisition (SCADA)
3mo
Save
Mark Applied
Hide
OT Virtual Systems Engineer II - Frankfort, IN
Frankfort or Lincoln or Des Moines or Mankato or Quincy or Velva or Deerfield
$84k-$135k/yr OnsiteFull Time
1+ YOEB.S. in technical discipline, 1+ years supporting enterprise-level technology operations; strong Windows Server, Hyper-V, VMware, Nutanix, virtualization, and security knowledge; ability to travel and participate in on-call support.
Microsoft Hyper-V, Microsoft Active Directory, DNS, Microsoft Windows Server, VMware Cloud Foundation, vSphere, vSAN, vCenter, Nutanix, HCI, Linux, Docker, Rockwell, Emerson
2w
Save
Mark Applied
Hide
ML Staff Engineer – LLM & Production Systems
Chicago, Illinois, United States
$141k-$169k/yr HybridFull Time
6+ YOE6+ years in software or ML engineering, experience designing and operating production ML/LLM systems, proficiency in Python and SQL, CI/CD and MLOps experience, strong communication and mentoring skills.
Python, SQL, CI/CD
2mo
Save
Mark Applied
Hide
Manager, System Engineer
Joliet, Illinois, United States
$87k-$120k/yr OnsiteFull Time
5+ YOE3+ MgmtBachelor’s in engineering, business, supply chain, operations management, or industrial engineering; Master’s preferred. 5+ years in automated systems; 3+ years people leadership; 2+ years PLC/robot/software experience; project management and Six Sigma.
Allen-Bradley PLC, Siemens PLC, ABB Robots, SQL, Linux, Python
1w
Save
Mark Applied
Hide
Traffic Engineer Technical Lead
Peoria Heights or Illinois or Wisconsin or Florida or Texas
$130k-$160k/yr HybridFull Time, Part Time
15+ YOEB.S. in Civil Engineering,15+ years traffic engineering experience, strong knowledge of traffic operations/safety/signal systems, ability to travel locally, strong communication and organizational skills.
2w
Save
Mark Applied
Hide
Project Engineer
Sauget, Illinois, United States
$77k-$96k/yr OnsiteFull Time
3+ YOEBachelor's in Mechanical/Electrical Engineering, 3+ years technical energy project experience, operational HVAC/utility systems knowledge, PMP/DGCP/CEM/PE preferred, strong Microsoft and modeling software skills.
Google Office, Microsoft Office, Microsoft Excel, Microsoft Project, Microsoft Visio, GateCycle, Thermoflow
16h
Save
Mark Applied
Hide
Airport Apprentice Engineer
Chicago, Illinois, United States
$20/hr OnsiteFull Time
High school or technical school graduate, member of Local 399 Engineer Apprentice Program, experience operating and maintaining central utility systems, ability to read blueprints and keep records.
3mo
Save
Mark Applied
Hide
Electrical Controls Engineer - Power
Springfield or Austin or Corpus Christi or Dallas or Sarasota or Louisville or Minneapolis or Nashville or Bonifay or Miami or Tallahassee or Marion or Jacksonville or St. Louis or Kansas City or Indianapolis or Orlando or Seattle or Raleigh or Rockford or Peoria or Lisle or McHenry or Chicago Downtown or Monee or Houston or Harlingen
$105k-$160k/yr RemoteFull Time
5+ YOEBachelor’s in electrical engineering; 5–10 years in power system controls/substation automation/SCADA; experience with SCADA, protective relays, and utility operations.
SCADA, IEDs, RTUs, PLCs, Protective Relays, IEC 61850, DNP3, Modbus, Fiberoptic networks, Ethernet/IP
4w
Save
Mark Applied
Hide
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
Explore Jobs
Expand Your Job Search
Top Cities in Illinois for Operating Systems Engineer
- Operating Systems Engineer jobs in Chicago, IL
- Operating Systems Engineer jobs in Aurora, IL
- Operating Systems Engineer jobs in Rockford, IL
- Operating Systems Engineer jobs in Joliet, IL
- Operating Systems Engineer jobs in Naperville, IL
- Operating Systems Engineer jobs in Springfield, IL
- Operating Systems Engineer jobs in Peoria, IL
- Operating Systems Engineer jobs in Elgin, IL
- Operating Systems Engineer jobs in Waukegan, IL
- Operating Systems Engineer jobs in Champaign, IL
- Operating Systems Engineer jobs in Cicero, IL
- Operating Systems Engineer jobs in Bloomington, IL
- Operating Systems Engineer jobs in Arlington Heights, IL
- Operating Systems Engineer jobs in Evanston, IL
- Operating Systems Engineer jobs in Schaumburg, IL
- Operating Systems Engineer jobs in Bolingbrook, IL
- Operating Systems Engineer jobs in Decatur, IL
- Operating Systems Engineer jobs in Palatine, IL
- Operating Systems Engineer jobs in Skokie, IL
- Operating Systems Engineer jobs in Des Plaines, IL