118 operating systems engineer jobs at 88 companies in Cicero, IL
3w
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[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
5d
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Operating Engineer (Local 399)
Chicago, Illinois, United States
$52/hr OnsiteFull Time
4+ YOEHigh school diploma, two years of college or trade schooling, four years of HVAC central plant experience, Local 399 membership, English proficiency, and ability to perform strenuous work and operate building systems.
BMS Controls, Microsoft Office, Microsoft Excel, Microsoft Word, OSHA
1w
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Systems Engineer 1
Saint Charles, Illinois, United States
$70k-$80k/yr OnsiteFull Time
Proficiency with Microsoft Server, Microsoft Office 365, Active Directory, Microsoft Azure; networking and system security knowledge; authorized to work in the US.
Microsoft Server, Microsoft Office 365, Active Directory, Microsoft Azure
1w
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Senior HPC Systems Engineer
Chicago or United States
RemoteFull Time
10+ YOE10+ years operating production Linux systems, production Slurm administration, HPC storage and fabric experience, NVIDIA GPU node operations, Ansible/Terraform and Bash/Python proficiency, US citizenship and Secret clearance eligibility.
RHEL, Rocky, Alma, Debian, Ubuntu, Slurm, InfiniBand, RoCE, NVIDIA, CUDA, DCGM, NCCL, Ansible, Terraform, Bash, Python, Kubernetes, OpenShift, Helm, Apptainer, Enroot, Pyxis, PBS Pro, Prometheus, Grafana, STIG, SCAP, Tenable, eMASS, RMF, FedRAMP
1mo
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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
3w
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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
1w
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Corporate Building Management Systems Engineer
Lake Forest, Illinois, United States
$81k-$135k/yr RemoteFull Time
3+ YOEBachelor's in engineering or equivalent experience, 3+ years supporting building controls/BMS operations, vendor coordination, BMS standards and reporting, experience with monitoring/automation tools; CAP-ISA preferred.
2w
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Engineer, Operational Technology Systems
Clinton or Warrenville or Byron or Marseilles or Braceville or Morris or Cordova
$134k-$149k/yr HybridFull Time
7+ YOEBachelor's degree with 7+ years (or associate with 8+ years) in technical discipline, senior OT systems engineering experience, unescorted access and favorable medical/testing, subject-matter expertise in OT/IT systems.
2w
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Data Center Operations Systems Engineer II (Chicago)
Elk Grove Village, Illinois, United States
$89k-$119k/yr OnsiteFull Time
Onsite presence 5 days/week; racking, cabling, configuring servers; troubleshooting hardware/software; DCIM documentation; familiarity with power, cooling, and structured cabling; willingness to travel for new site bring-ups.
DCIM, JIRA, Zendesk, Linux
5d
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Space Principal/ Sr. Principal Launch and Operations Systems Engineer (AHT)
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEBachelor's, master's, or doctoral technical degree; 5+ years of experience for Principal or 8+ for Senior Principal; Python or MATLAB proficiency; active U.S. DoD Top Secret clearance and SCI eligibility.
Python, MATLAB, signal generators, spectral analyzers
5d
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Space Principal/ Sr. Principal Launch and Operations Systems Engineer (AHT)
Rolling Meadows, Illinois, United States
$109k-$204k/yr OnsiteFull Time
5+ YOEBS/MS/PhD in a technical field with 0–8 years of experience by level; Python or MATLAB proficiency; active U.S. DoD Top Secret clearance and ability to obtain SCI access.
Python, MATLAB
2mo
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Software Engineer
New York City or San Francisco or Austin or Chicago
$120k-$300k/yr HybridFull Time
3+ YOE3+ years engineering experience building and operating production systems; end-to-end ownership; scaling production systems; applied AI interest; strong communication and product collaboration skills.
1mo
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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
5d
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Engineer I Interconnections & Grid Analysis
Chicago, Illinois, United States
$70k-$95k/yr OnsiteFull Time
0+ YOEBS or MS in Electrical Engineering focused on power systems; 0–2+ years in transmission planning, compliance, or operations; power system studies; Excel; U.S. work authorization without sponsorship.
Microsoft Excel, PSS/E, GE PSLF TARA, PowerWorld, VBA, Open Access Transmission Tariff (OATT)
2w
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Cryogenic Engineer
Batavia, Illinois, United States
$89k-$117k/yr OnsiteFull Time
2+ YOEBS in Engineering with 4+ years experience (or 2+ with MS/PhD); cryogenic system operations and analysis experience; thermodynamics/heat transfer knowledge; ability to work off-hour call-ins and in oxygen-deficient areas.
Artificial Intelligence, Machine Learning
1d
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Deployment Engineer (Launch)
Bloomingdale, Illinois, United States
OnsiteFull Time
3+ YOERequires 3+ years in operations, program management, or partnerships; experience building field or manufacturing processes; electromechanical systems; CRM ownership; strong communication; and an engineering degree or equivalent experience.
CRM
2w
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Service Engineer
Warrenville, Illinois, United States
$82k-$108k/yr OnsiteFull Time
Operate, maintain, troubleshoot, and test Proton Therapy System equipment; support clinical staff and communicate system status; perform preventative and corrective maintenance.
Proton Therapy System (PTS)
2w
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Software Engineer 3, Platform
Agoura Hills or Chicago
$9k-$131k/yr HybridFull Time
3+ YOE3+ years software or infrastructure engineering; production Kubernetes and AWS experience; Terraform and CI/CD proficiency; strong operational depth in observability, networking, or artifact/CI systems.
Prometheus, Alertmanager, Grafana, OpenTelemetry, Kubernetes, EKS, Karpenter, ArgoCD, GitLab, Nexus, Docker, Terraform, AWS, Vault, OpenCost, Go, Thanos, Cortex, Mimir, Kyverno, OPA
1w
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Lead Electrical Engineer
East Chicago, Indiana, United States
OnsiteFull Time
5+ YOEBachelor's in electrical engineering (or equivalent),5+ years manufacturing electrical experience,knowledge of medium-voltage systems,PLC/HMI/drives experience,strong troubleshooting and project skills,ability to support 24/7 operations.
PLCs, HMIs, MCCs, drives, instrumentation, process controls
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
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