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132 operating systems engineer jobs at 81 companies in Fontana, CA

2mo
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Operating Engineer
Los Angeles, California, United States
$47-$55/hr OnsiteFull Time
Cushman & Wakefield
Cushman & WakefieldNYSE: CWK: Global commercial real estate and property services firm.
5+ YOE5+ years in operating mechanical, electrical, and plumbing systems; HS diploma or GED; trade licenses; driver license; experience in commercial properties; knowledge of energy management systems.
Outlook, Excel, Word, Energy management systems, HVAC, Boilers, Pumps, Refrigeration
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3w
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Operating Engineer-Plant
Los Angeles, California, United States
$40-$47/hr OnsiteFull Time
Kaiser Permanente
Kaiser Permanente: Provides integrated medical care and health insurance plans.
3+ YOE3+ years plant operations and maintenance experience; associate degree in engineering/technical discipline; steam engineer license or 500 HP license, universal chlorofluorocarbons certificate, valid driver's license; ability to operate and maintain boilers, HVAC, plumbing, electrical and automation systems.
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2mo
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Operating Engineer
Brea, California, United States
$55k-$57k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
4+ YOEHigh school diploma; 4+ years in electrician/HVAC or emergency backup systems; skilled with tools; OSHA knowledge; able to lift 60 lbs.
Electrical tools, HVAC equipment, Pumps, Motors, Conduit, Wiring
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1mo
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Systems Engineer (Esports)
Los Angeles, California, United States
$149k-$208k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
5+ YOE5+ years in systems/support/infrastructure engineering; experience with Ansible, Terraform, Jenkins, virtualization, containerization, imaging/deployment tools, Linux/Windows, scripting, Git, and cloud platforms; able to reduce operational toil and support global events.
Ansible, Terraform, Jenkins, VMware, Hyper-V, Proxmox, AHV, Docker, FOG, SCCM, Autopilot, Linux, Windows, PowerShell, Bash, Git, AWS, Azure
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3w
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Sr. Systems Engineer
Los Angeles, California, United States
$88k-$131k/yr HybridFull Time
Green Dot
Green DotNYSE: GDOT: Provides mobile banking and payment solutions to consumers and businesses.
5+ YOE5+ years systems engineering experience; expertise with Kubernetes, Linux, cloud operations (Azure preferred); automation with Git Ops, Ansible, Terraform, Claude AI; monitoring with Datadog/Prometheus; scripting in Python/Bash/PowerShell; security/compliance (PCI DSS, SOC 2); on-call participation.
Kubernetes, Linux, Azure, Git Ops, Ansible, Terraform, Claude AI, Datadog, Prometheus, Python, Bash, PowerShell
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Power Systems Engineer
Irvine, California, United States
$65k-$108k/yr HybridFull Time
ETAP
ETAP: Electrical power system modeling and analysis software solutions.
1.5+ YOE1.5+ years in electric utility transmission/distribution design or operations; power system analysis software experience; GIS/CAD familiarity; programming/AI for automation; strong written/spoken communication; US work authorization; BS in Electrical Engineering; PE license in CA preferred.
Revit, AutoCAD, ETAP, SKM, EMTP-RV, PSCAD, CYME, PSLF, GIS, MEP, CAD
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1w
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Senior RF Systems Engineer II
Long Beach, California, United States
$145k-$210k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
8+ YOEBachelors in engineering and 8+ years RF systems experience, RF link budget and system test experience, familiarity with satellite operations and RF licensing, U.S. citizenship required, ability to obtain TS/SCI.
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Operating Engineer, Temp-to-hire
Los Angeles, California, United States
$37/hr OnsiteFull Time, Temporary
Academy of Motion Picture Arts and Sciences
Academy of Motion Picture Arts and Sciences: Hosts film awards and operates a cinema history museum.
2+ YOE2+ years maintaining commercial/industrial building systems; associate degree or equivalent in HVAC/mechanical/electrical or apprenticeship; experience with BMS/CMMS and Microsoft Office; ability to troubleshoot mechanical, electrical, and life-safety systems; ability to lift 50 lbs; COVID-19 vaccination required.
BMS, Alerton, CMMS, Microsoft Office
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2w
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Associate Mission Systems Engineer
Seal Beach or Herndon or Aurora or El Segundo
$100k-$136k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Bachelor's in engineering or related field, active U.S. Top Secret/SCI clearance, proficiency with MATLAB and Python, experience in mission modeling, GNC or spacecraft operations, and MBSE preferred.
MATLAB, Python
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IT Systems Engineer II
La Mirada or United States
$58-$67/hr HybridFull Time
Biola University
Biola University: Private Christian university providing undergraduate and graduate degree programs.
2+ YOE2+ years systems engineering (3+ IT experience preferred). Expertise in Linux/Windows/macOS administration, cloud platforms (AWS, Azure), containerization (Kubernetes), GitOps, Ansible, identity and endpoint management, automation/IaC, security best practices, and use of AI for operational tasks.
Linux, Windows, macOS, iOS, Kubernetes, Google Workspace, Zoom, Microsoft 365, AWS, Azure, GitOps, Ansible, Entra ID, Intune, SCCM, Jamf
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6d
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LACC Building Operating Engineer (BOE) FT Union
Los Angeles, California, United States
$47-$50/hr OnsiteFull Time
ASM Global
ASM Global: Operates and manages stadiums and convention centers worldwide.
Operate, maintain, troubleshoot, and perform preventative maintenance on HVAC, refrigeration, steam, and building systems; City of Los Angeles 500hp steam license and EPA 608 preferred; ability to lift up to 50+ lbs.
Building Automation System
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5d
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Systems Operations Support Engineer — Linux
Los Angeles, California, United States
$90k-$160k/yr OnsiteFull Time
Vast.ai
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
Strong Linux (Ubuntu/RHEL/Debian) systems experience, Docker and virtualization troubleshooting, NVIDIA CUDA/GPU experience, Python/Bash scripting, networking fundamentals, customer-facing support experience.
Ubuntu, RHEL, Debian, Docker, Docker Compose, NVIDIA CUDA, KVM, Proxmox VE, VMware, TensorFlow, PyTorch, Prometheus, Grafana, Python, Bash
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1w
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Data Center Operations Systems Engineer III (Los Angeles)
Vernon, California, United States
$115k-$153k/yr OnsiteFull Time
Lambda
Lambda: Provides high-performance GPU cloud infrastructure for AI development.
Experience supporting critical data center infrastructure (power, cooling, DCIM, cabling), server hardware troubleshooting, and operational procedures; willingness to travel ~25–30%.
DCIM, JIRA, Zendesk, Linux
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2mo
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Senior Avionics Systems Test Engineer, Operations
Long Beach, California, United States
$148k-$204k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEBS/MS/PhD in EE/CE/CS/Aerospace, 5+ years integrated systems test experience, proficiency with Python or MATLAB, experience validating complex electrical and software systems, and test planning/verification skills.
Python, MATLAB, Zuken, NX, Teamcenter, Altium Designer, Ethernet, CAN, UART, SPI
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Distributed Systems Engineer 5 - Core Ad Serving Platform
New York City or Seattle or Los Angeles or Los Gatos
$388k-$619k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
7+ YOE7+ years experience with at least 4+ years in Ads domain, expertise building and operating large-scale distributed systems, ad-server components, API and data model design, SLO-driven development, and incident response.
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Spacecraft Data Systems Engineer - Blue Ring
Reston or Huntsville or Denver or Seattle or Los Angeles
$134k-$203k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEB.S. in computer science/engineering/IT/applied math, 8+ years spacecraft development and operations, experience with Command & Telemetry Databases and CCSDS, proficiency in Java/Python/JavaScript/C/C++, familiarity with flight software and C2 tools, ability to work with cross-functional teams; U.S. work authorization required.
CCSDS, Java, Python, JavaScript, C, C++, Command and Telemetry Database (CTDB), Command and Control (C2), Flight Software (FSW), Jira, GitLab, CI/CD pipelines, Defense Biometric Identification System (DBIDS)
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2w
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Sr. Systems Engineer Infrastructure & Site Operations
South El Monte, California, United States
$140k-$175k/yr OnsiteFull Time
Karman Space & Defense
Karman Space & DefenseNYSE: KRMN: Designing and manufacturing mission-critical systems for space and defense.
7+ YOEBachelor's or equivalent,7+ years systems engineering experience; expertise with Windows Server, AD, M365, Intune/SCCM, Azure/AWS, virtualization, networking, backup/recovery, and compliance in regulated environments.
VMware, Hyper-V, Azure, AWS, Veeam, Rubrik, Cohesity, SolarWinds, LogicMonitor, ServiceNow, Jira Service Management, Cisco, Meraki, Fortinet, Palo Alto, Microsoft 365, Entra ID, Active Directory, SCCM/Configuration Manager, Microsoft Intune, Defender for Endpoint, Exchange Online, Teams, SharePoint, OneDrive
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Consulting Systems Engineer (Los Angeles, CA) - Operational Technology (OT) Modernization
Los Angeles or Orange County
$150k-$200k/yr OnsiteFull Time
World Wide Technology
World Wide Technology: Global technology solutions provider and systems integrator.
5+ YOE5+ years pre-sales/solutions engineering experience in utility OT; strong familiarity with SCADA, EMS/ADMS/OMS/AMI, industrial protocols and OT cybersecurity; SOW/BOM/POC development; bachelor’s degree or equivalent.
SCADA, OSIsoft, AVEVA, EMS, DMS, ADMS, OMS, AMI, GIS, pLTE, IP/MPLS, IEC 61850, DNP3, Modbus, IEC 60870-5-101/104, ICCP (TASE.2), OSIsoft PI System, AVEVA Data Hub, Nokia, Cisco, Itron, Landis+Gyr, GE Vernova
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Cloud Systems Engineer III
Santa Ana, California, United States
$123k-$135k/yr HybridFull Time
Orange County's Credit Union
Orange County's Credit Union: Member-owned financial institution providing banking and lending services.
2+ YOEExperience administering Windows and Linux servers, Microsoft Intune, plus 2+ years operating cloud infrastructure (AWS/Azure). Strong IaC, scripting, security, and troubleshooting skills required.
Microsoft Windows Server, Active Directory, Microsoft Intune, Azure Active Directory (Entra ID), AWS, Azure, Terraform, Bicep, ARM, CloudFormation, Ansible, Kubernetes, AKS, EKS, Python, PowerShell, Bash, Git, ExpressRoute, Direct Connect
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Building Automation Systems (BAS) Facilities Engineer II
Tempe or Irvine or Santa Ana or Lafayette
$84k-$126k/yr HybridFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
2+ YOEBachelor's degree plus 2+ years operating and maintaining BAS/HVAC/electrical/plumbing systems (or advanced degree). Experience with BAS design, installation, commissioning, and mechanical systems; CMMS knowledge; travel up to 25%; Tridium/Niagara certification and Spanish language fluency are desirable.
Building Automation System (BAS), Tridium Niagara, Honeywell, Distech, CMMS, Modbus, BACnet, LonWorks
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