109 operating systems engineer jobs at 64 companies in Oceanside, CA

PromotedHiringCafe
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
1w
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Junior Operating Systems Engineer (Embedded Linux / Yocto)
San Diego, California, United States
OnsiteFull Time
Accelint
Accelint: Provides AI-driven autonomous systems for national security missions.
Active U.S. national security clearance eligibility, experience building custom Linux images with Yocto/BitBake, OS hardening, debugging boot/kernel/driver issues on embedded x86, and writing documentation.
Yocto Project, BitBake, Buildroot, Rocky Linux, RHEL, Suricata, Zeek
1mo
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Systems Engineer III
San Diego, California, United States
$147k-$161k/yr HybridFull Time
XSITE
XSITE: Provides systems engineering and integration for defense and space.
7+ YOEBachelor's in engineering required; 7 years professional experience integrating network operating systems, applications, and hardware; experience across specification, design, coding, testing, implementation, documentation, and cross-functional coordination.
AI/ML, MBSE, Modeling & Simulation
1mo
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V2X Systems Engineer
San Diego or Detroit or Tallahassee or Atlanta or New York or Washington or Nashville
RemoteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
7+ YOEBachelor's in Transportation/Civil/Systems Engineering, 7+ years relevant experience, intermediate-to-expert V2X standards knowledge, experience with system deployment/integration/operation and traffic signal controllers, comfortable with government clients.
1mo
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GCCS-M SYSTEMS ENGINEER
San Diego or Newport or Bremerton or Pearl Harbor or Guam
OnsiteFull Time
MIKEL
MIKEL: Provides undersea warfare technology and engineering services for defense.
5+ YOEMinimum 5 years operational submarine experience, active DoD Secret clearance at hire, subject-matter expertise in submarine C2 and combat systems, strong technical writing/briefing skills, and ability to coordinate across operational and engineering communities.
GCCS-M, Common Operational Picture (COP), Common Tactical Picture (CTP), Microsoft Windows, Microsoft Windows Server, Microsoft Exchange, Red Hat Enterprise Linux (RHEL), VMware, Enterprise Network Services (ENS), Host-Based Security System (HBSS), Windows Server Update Services (WSUS), PowerShell
1mo
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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
1w
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Engineer / Principal Engineer Systems Test
San Diego, California, United States
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEAbility to perform lab integration, operate and maintain multi-vendor lab environments, troubleshoot RF/digital/embedded systems, and obtain/maintain a US government clearance.
1394 bus systems, JIRA, ClearCase, GIT, DOORS, Cameo
1w
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Engineer / Principal Engineer Systems Test
San Diego, California, United States
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEUS citizenship and Secret clearance, lab integration experience, operate and maintain multi-vendor labs, RF and embedded systems troubleshooting, BSc in STEM or equivalent experience, ability to obtain/maintain clearance.
JIRA, ClearCase, GIT, DOORS, Cameo
3mo
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Mission Engineer - Air Systems
San Diego, California, United States
$100k-$124k/yr FieldFull Time
Red Cat Holdings
Red Cat HoldingsNasdaq: RCAT: Develops autonomous drone and robotic systems for defense applications.
5+ YOE5+ years deploying/operating unmanned systems, Part 107 remote pilot, strong mechanical/electrical troubleshooting, ability to work independently, frequent travel and work in austere environments.
1mo
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Full Stack AI Systems Engineer
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Operate and harden AI-augmented production systems at scale; work with LLMs and agents; build and maintain platforms, services, and infrastructure to turn device crash data into actionable insights.
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
1mo
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Systems Engineer, NBC Telemundo San Diego
San Diego, California, United States
$85k-$105k/yr OnsiteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
3+ YOEMinimum 3 years relevant experience, Bachelor\u0002s degree (or equivalent experience) in CS/engineering/RTF, experience with SDI/NDI/ST-2110 and core IT (virtualization, cloud, networking, identity), ability to support 24/7 operations, valid driver's license, lift 50+ lbs, unrestricted US work authorization.
SDI, NDI, ST-2110, NRCS, NLE
1d
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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
2mo
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Embedded Real Time Operating System Software Staff Engineer (QuRT OS, Zephyr)
San Diego, California, United States
$154k-$231k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
6+ YOEBachelor's/Masters/PhD in CS/CE/EE or related; 6+ years embedded/RTOS experience; professional C/C++ and assembly experience; RTOS fundamentals, debugging using logs/traces/crash dumps, and cross-team collaboration.
QuRT OS, Zephyr RTOS, FreeRTOS, C/C++, assembly, Hexagon DSP, QEMU, ISS, Jenkins, GitHub Actions, ASPICE, ISO-26262, ISO-21434
1mo
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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
2mo
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Senior Network Engineer, Factory Systems and Operational Technology
Costa Mesa, California, United States
$150k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5-7 years OT/enterprise network engineering; field installations; ISA-95 and Purdue; Cisco/Arista/Palo Alto; Modbus/TCP, PROFINET; travel; TS clearance.
Cisco, Arista, Palo Alto, Panorama, NGFW, Modbus/TCP, PROFINET, EVPN VXLAN, AWS, Azure, GCP, OCI, Python, Nornir, Jinja, Ansible, Terraform
1d
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Cruiser/Destroyer Combat Systems SME
San Diego, California, United States
$162k-$219k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
15+ YOE15+ MgmtUS citizen with active Secret clearance, 15+ years AEGIS/SSDS combat systems experience, 15 years supervisory/maintenance management experience, recent operational maintenance experience, strong troubleshooting and documentation skills.
AEGIS Combat Systems suite, SSDS, CSMP, CASREP, SLQ-32, NULKA, SRBOC
1w
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ALRE Project Engineer
San Diego, California, United States
$98k-$171k/yr HybridFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
3+ YOESystems/project engineering experience supporting defense programs, ability to develop ECPs, troubleshoot fleet operations, strong communication and technical judgment, ability to obtain DoD Secret clearance.
IEEE Standard 15288.2, NAVAIR Systems Engineering Technical Reviews (SETR), Earned Value Management System (EVMS), DD 1692
5d
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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
1mo
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Mechanical Design Engineer III
Escondido, California, United States
$84k-$154k/yr OnsiteFull Time
Nikkiso
NikkisoTokyo Stock Exchange: 6376: Designs and manufactures precision fluid control and industrial equipment.
2+ YOEBachelor's degree in Mechanical Engineering with 2 years experience or Master's in Mechanical Engineering; cryogenic/high-pressure system experience; read/develop P&ID; familiarity with P&IDs; pump selection/operations; safety/risk assessment; CAD tools; travel up to 25%.
AutoCAD, Inventor, SolidWorks
1mo
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Cogeneration Plant Operator (Operating Engineer)
San Diego, California, United States
$5k-$8k/mo OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
2+ YOEOperate and maintain boilers, chillers, turbines, cooling towers and utility systems; perform preventive and corrective maintenance; troubleshoot systems; follow safety and environmental standards; lift >40 lbs; valid CA driver’s license required.