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86 operating systems engineer jobs at 59 companies in Lancaster, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
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
Help us #BeatIndeed & #BeatLinkedIn
1mo
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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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1w
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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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2w
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Operating Engineer
Los Angeles, California, United States
$52/hr OnsiteFull Time
University of California, Los Angeles
University of California, Los Angeles: A public research university providing higher education and research.
5+ YOE5+ years HVAC/steam experience; ability to service, repair, and install major HVAC and steam equipment; operate Building Automation and Energy Management Systems; valid CA Class C driver's license; EPA universal certification; HVAC trade certification.
Building Automation Systems, Energy Management Systems
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4w
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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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1w
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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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1w
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Space Systems Engineer (Temporary)
Los Angeles, California, United States
RemoteFull Time
Seneca Holdings
Seneca Holdings: Operates a portfolio of federal and commercial businesses.
10+ YOE10+ years spacecraft systems engineering experience; expertise in on-orbit operations, orbital mechanics, orbital modeling/simulation, launch vehicle integration; Top Secret/SCI clearance and U.S. citizenship required; proficiency with Microsoft Word, Excel, and PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1mo
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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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3w
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Steam Plant-Boiler Operating Engineer
Van Nuys, California, United States
$43-$44/hr OnsiteFull Time
Anheuser-Busch InBev
Anheuser-Busch InBevEuronext Brussels: ABI: Global manufacturer and distributor of beer and soft drinks.
Unlimited Steam License required; experience with water-tube boilers, ammonia refrigeration, compressed air, cooling towers, CO2 systems, and maintenance on compressors/pumps; familiarity with automated process control systems; HS/GED; basic MS Excel/Word skills; HAZWOPER participation and ability to wear respirator/PPE.
Microsoft Excel, Microsoft Word
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3w
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Senior Network Systems Reliability Engineer
Lake Buena Vista or Burbank
$135k-$181k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years supporting network infrastructure/IT operations; familiarity with Python and SQL; experience with network technologies, asset/license management, ticketing systems, Excel/Pivot reporting; strong analytical, vendor management, and documentation skills.
Python, SQL, LogicMonitor, Cisco DNA Center, Aruba Central, Power BI, ServiceNow, Jira Service Management, Microsoft Excel
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3mo
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Senior/Staff ML Systems Engineer
Los Angeles, California, United States
$180k-$200k/yr RemoteFull Time
Quilter
Quilter: Automates printed circuit board layout using physics-driven AI.
5+ YOE5+ years building and operating production ML systems; strong software engineering, autonomous work style, GPU/accelerated workloads experience, data pipelines, CI/CD and orchestration expertise.
GPU, CUDA, Python, Docker, Kubernetes, TensorFlow, PyTorch, MLflow, CI/CD
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3w
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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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14h
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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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3w
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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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3w
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Senior Network Systems Reliability Engineer
Lake Buena Vista or Burbank
$135k-$181k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years supporting network infrastructure/IT operations, familiarity with Python and SQL, strong Excel and reporting skills, experience with network technologies, asset/license lifecycle management, vendor management, and ticketing systems.
Python, SQL, Microsoft Excel, LogicMonitor, Cisco DNA Center, Aruba Central, Power BI, ServiceNow, Jira Service Management
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1d
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Data Processing Systems Software Operations Engineer
Monrovia, California, United States
$66k-$106k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
2+ YOEU.S. citizenship, competence in test theory and software lifecycle, strong communication and organizational skills, ability to pass background checks, and ability to travel to customer sites.
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10h
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Data Processing Systems Software Operations Engineer
Monrovia, California, United States
$66k-$106k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
2+ YOEU.S. citizenship and ability to pass NCIC background check; competence in test theory, software safety, computer science fundamentals; strong organizational and communication skills; travel to JPL and GDSCC as needed.
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17h
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Founding Engineer
San Francisco or Los Angeles or New York City
OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Proven full-stack or backend engineering experience, strong software design and system architecture fundamentals, ability to operate in ambiguous startup environments, excellent communication, must be authorized to work in the US without sponsorship.
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3w
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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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1w
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DevSecOps Engineer
Los Angeles, California, United States
$150k-$160k/yr HybridFull Time
Renesas Electronics
Renesas ElectronicsTokyo Stock Exchange: 6723: Designs and manufactures semiconductors for automotive and industrial systems.
7+ YOE7+ years in DevOps/SRE or infrastructure engineering, bachelor\u0002s in CS or equivalent, deep AWS and Kubernetes expertise, PostgreSQL operations, Terraform, Docker, GitHub Actions, strong security and systems-thinking skills.
DuploCloud, GitHub Actions, Kubernetes, PostgreSQL, Terraform, Docker, AWS, EKS, ECS, RDS, S3, IAM, VPC, CloudWatch, GovCloud, NATS, Redis, Kafka, Datadog, PostHog, Sentry
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3mo
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Senior Operations Engineer
Edwards, California, United States
$85k-$110k/yr OnsiteFull Time
Science and Technology Corporation
Science and Technology Corporation: Provides scientific, engineering, and technical services to government agencies.
BS in engineering or physical science; U.S. citizenship; ability to obtain Secret clearance; strong engineering and systems engineering skills; good communication; English proficiency.
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