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66 operating systems engineer jobs at 41 companies in Rialto, CA

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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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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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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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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1w
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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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1d
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Associate Engineer
Pasadena, California, United States
$116k-$146k/yr OnsiteFull Time
City of Pasadena
City of Pasadena: Providing municipal services and public programs to the Pasadena community.
Performs professional civil engineering duties supporting planning, design, operation, maintenance, regulatory compliance, and coordination for the city's water system.
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Protection Engineer
Rosemead, California, United States
HybridFull Time
Edison International
Edison InternationalNYSE: EIX: Generating and distributing electricity to customers in Southern California.
5+ YOEBachelor's degree in engineering or a scientific/math field, 5+ years engineering experience in operations/production/construction/maintenance, Class C driver, experience in power system protection, relay settings, fault analysis, and protection software.
ASPEN, CAPE, ETAP, CYME
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Chief Engineer
Colorado Springs or El Segundo or Chantilly or Seal Beach
$225k-$290k/yr OnsiteFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
12+ YOE8+ Mgmt12+ years designing or operating space/ground/SATCOM systems, active Secret clearance (TS/SCI eligibility), MBSE and cloud/IaaS experience, leadership of engineering teams, RMF/ATO experience, strong communication.
Model-Based Systems Engineering (MBSE), Infrastructure-as-a-Service (IaaS), Risk Management Framework (RMF), Authorization to Operate (ATO), containerized applications
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2w
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Sr. BESS Operations Engineer
Teaneck or San Francisco or Irvine
OnsiteFull Time
Qcells
Qcells: Provider of solar modules, energy storage, and EPC services.
5+ YOEBachelor's or Master's in engineering,5+ years BESS/renewable/grid operations experience,knowledge of power systems,industrial protocols,Linux/SSH,Ansible,ability to apply LLMs/ML for automation and monitoring.
Modbus, CANbus, DNP3, TCP/IP, Linux, SSH, Ansible, Python, SCADA, Confluence, LLMs
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Sr. Test Engineer (Gasification R&D)
San Bernardino, California, United States
$150k-$175k/yr OnsiteFull Time
Arbor Energy
Arbor Energy: Building advanced power systems for clean, carbon-negative electricity.
5+ YOEFive+ years of hands-on test-engineering with high-pressure/high-temperature systems; design, build, and operate test stands; strong instrumentation and data acquisition.
Python, MATLAB, PLC, Sensors, Data Acquisition
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Senior Director of Enterprise Systems Test
Costa Mesa, California, United States
$253k-$336k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
20+ YOE20+ years leading hardware test and system validation programs, expertise in structural/environmental testing, instrumentation, HIL/SIL, test architecture, secure multi-site operations, people management, and eligibility for Top Secret clearance.
Lattice OS, DAQ, HIL, SIL, MRP
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Senior Mission Operations Engineer
Irvine, California, United States
$130k-$190k/yr OnsiteFull Time
Turion Space
Turion Space: Builds spacecraft for orbital debris removal and satellite servicing.
3+ YOE3+ years in mission or spacecraft operations; deep knowledge of operations concepts, procedures, and ground systems; strong cross‑disciplinary communication; ability to obtain TS/SCI; scripting experience (Python, MATLAB) preferred.
Python, MATLAB
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1w
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Lead ConOps & Architecture Engineer - Experimental Space Programs
Seal Beach or Herndon or Aurora or El Segundo
$146k-$198k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOE3+ MgmtActive U.S. Top Secret/SCI clearance, BS in engineering or related field, 5+ years systems engineering experience, 3+ years leading cross-functional teams, MBSE experience, spacecraft/satellite operations experience preferred.
MBSE
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Senior Field Operations Engineer - ISR
Irvine, California, United States
$125k-$150k/yr OnsiteFull Time
DZYNE Technologies
DZYNE Technologies: Developer and manufacturer of autonomous airborne defense systems.
5+ YOE5+ years in systems engineering/test/documentation with electrical/avionics/RF background, strong technical writing and data management skills, bachelor's in a technical field or equivalent experience, US work authorization, onsite in Irvine, CA, occasional lifting to 25 lbs.
Microsoft Excel, SQL, Python, BI platforms, FRACAS, AS9100, MIL-STD
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3d
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Accessory Quality Engineer
Fountain Valley, California, United States
$28-$38/hr OnsiteFull Time
MSX International
MSX International: Provides outsourced business services and technology to automotive manufacturers.
High school diploma, valid California driver\u0002s license, ability to lift 50 lbs, familiarity with vehicle mechanical/electrical systems, MS Office and Photoshop proficiency, technical report writing and test equipment operation; First Aid/CPR preferred.
Microsoft Office Suite, Photoshop, DVOM, SPL Meter, RTA
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3w
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GTM Engineer – HubSpot & Sales Enablement
Irvine, California, United States
HybridFull Time
Xe
XeNASDAQ: EEFT: Provides international money transfers and online currency exchange services.
Deep, hands-on HubSpot Sales Hub expertise; experience building GTM/revenue operations systems; strong commercial intuition and sales motion knowledge; ability to translate strategy into execution and dashboards.
HubSpot Sales Hub
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