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41 systems engineer iii jobs at 25 companies in Simi Valley, CA

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Systems Engineer III (Remote Sensing Systems Architecture)
Seattle or Denver or Huntsville or Reston or Los Angeles
$121k-$169k/yr RemoteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOE5+ years in aerospace/defense systems engineering; experience with RF sensing, requirements management, GMTI/AMTI concepts; architecture trade studies; TS/SCI clearance.
DOORS, Jama, MATLAB, STK
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3mo
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Navy Combat Systems Engineer III
Port Hueneme or San Diego or Norfolk
OnsiteFull Time
Engineering Services Network
Engineering Services Network: Provider of defense engineering and technical services.
3+ YOESystems Engineer III with >3 years Navy AEGIS test/evaluation experience; active DoD SECRET clearance; BS in Engineering/CS/Physics/Math; on-site in Port Hueneme, CA, San Diego, CA, or Norfolk, VA.
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2mo
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Senior Systems Engineer III
Oxnard or Washington
$75k-$90k/yr OnsiteFull Time
Pantheon Data
Pantheon Data: Provides professional services including IT, engineering, and program management.
15+ YOEMaster's +15 years or Bachelor's +20 years in engineering; extensive systems engineering and sustainment experience; Confluence, SharePoint, Teams, and Microsoft Office proficiency; wiki/site administration and IMS experience; Secret clearance required.
Atlassian Confluence, Flankspeed Teams, SharePoint Online, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft SharePoint, Microsoft PowerPoint
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Systems Engineer III (Los Angeles, CA, US)
Los Angeles, California, United States
$115k-$130k/yr OnsiteFull Time
Data Analysis Incorporated
Data Analysis Incorporated: Holding providing strategic direction and services for investment, data, and communication firms.
5+ YOEBachelor's degree or equivalent, 5+ years in systems engineering/infrastructure, strong Windows Server, AD, 365, cloud (AWS), virtualization, storage, networking, automation (PowerShell/Python/Terraform/Ansible), security focus.
AWS, PowerShell, Python, Terraform, Ansible, Windows Server, Active Directory, Group Policy, Microsoft 365, VMware, SAN, NAS
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Staff Cyber Systems Engineer
Annapolis Junction or Roy or San Antonio or Redondo Beach or Huntsville or San Diego or Colorado Springs
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEExperience implementing cybersecurity within systems engineering (NIST SP 800-160), RMF documentation, DoD 8570 certification (IASAE II/CISSP) with ability to obtain IASAE III, active Secret clearance required; advanced degree plus years of experience or extensive experience in lieu of degree.
DOORS, CAMEO, SonarQube, Fortify, DevSecOps
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Engineer III (MPSF/MMRC SE Support)
Port Hueneme, California, United States
$79k-$115k/yr OnsiteFull Time
JSL Technologies
JSL Technologies: Provides engineering and logistics services to the U.S. Navy.
7+ YOEBachelor’s in Engineering, 7 years systems engineering, US work authorization, ability to obtain Secret clearance, HS diploma.
Microsoft Project, Atlassian Confluence, SharePoint Online, Flankspeed, Microsoft Teams
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Data Center Operations Systems Engineer III (Los Angeles)
Vernon, California, United States
$115k-$153k/yr OnsiteFull Time
Lambda
Lambda: AI infrastructure building GPU cloud services and supercomputers for researchers, enterprises, and hyperscalers.
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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Power Systems Electrical Engineer or Engineering Associate II, III (SG-159-26E) JAO
Whittier, California, United States
$10k-$14k/mo OnsiteFull Time
Los Angeles County Sanitation Districts
Los Angeles County Sanitation Districts: Provides wastewater and solid waste management for Los Angeles.
2+ YOEValid California Class C driver license; engineering degree(s) and/or EIT/PE credentials; 2+ years power systems or engineering experience for associate levels, up to 6+ years for PE; knowledge of power system studies, NEC, controls, and protective device coordination.
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Test Engineer II/III
Burbank, California, United States
$95k-$139k/yr OnsiteFull Time
Crane Company
Crane CompanyNYSE: CR: Manufactures engineered components for aerospace and industrial process markets.
3+ YOEBA/BS in engineering required; Level II: 3+ years, Level III: 5+ years relevant experience. Experience with hardware/analog/digital design, automated test systems, LabVIEW/TestStand, C#/Python, NI test equipment, and regulated/manufacturing environments.
LabVIEW, TestStand, C#, Python, Microsoft Visual Studio, SPICE, CAD, National Instruments Test Equipment, ARINC429, CAN, RS232, I2C
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Forward Deployed Engineer III, Generative AI, Google Cloud
San Francisco or Atlanta or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Los Angeles or Miami or Mountain View or New York or Portland or Reston or San Diego or Seattle or Sunnyvale or Washington D.C.
$174k-$252k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
5+ YOE5 years software development; AI systems on cloud; production-grade AI solutions; customer engagement; data pipelines with vector DB/RAG
Python, LangGraph, CrewAI, ADK, RAG, Vector Databases, LLM Metrics, Vertex AI, MCP servers
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Test Engineer III
Torrance, California, United States
OnsiteFull Time
Mercury Systems
Mercury SystemsNasdaq Global Select Market: MRCY: Public aerospace and defense electronics manufacturer providing secure signal and data processing components, modules, subsystems, and solutions.
4+ YOEBachelor's in engineering or equivalent, 4+ years testing electrical hardware or military systems, PCBA and V&V test development experience, proficiency with LabVIEW/Python/C#/C++/MATLAB, ability to perform functional, environmental, stress, and security testing.
LabVIEW, Python, Bash, C#, C++, MATLAB, Confluence, Microsoft SharePoint, Jama, Jira, BitBucket, oscilloscopes, analyzers, power supplies, meters
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Project Engineer III
Burbank, California, United States
$115k/yr OnsiteFull Time
Senior
SeniorLondon Stock Exchange: SNR: Designs and manufactures high-technology components for aerospace and land vehicles.
5+ YOE3+ MgmtB.S. in aerospace or mechanical engineering required (M.S. preferred); 5+ years aerospace experience; 3+ years leading NPD; FAA/EASA certification experience; GD&T per ANSI/ASME Y14.5; experience preparing certification documentation; strong systems and technical leadership skills.
CATIA V5
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Electrical Safety Engineer III
Pasadena, California, United States
$136k-$159k/yr OnsiteFull Time
Jet Propulsion Laboratory
Jet Propulsion Laboratory: Leading robotic space exploration and planetary research for NASA.
6+ YOEBachelor's in Electrical Engineering with power systems emphasis; 6+ years experience (or Master's 4+ years, PhD 2+ years); knowledge of electrical power systems design and NEC/CEC; proficiency with Microsoft 365.
Microsoft 365
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Security Technician III (Security Systems Integration)
San Jose or Canoga Park
$36-$43/hr OnsiteFull Time
Superior Alarm Systems
Superior Alarm Systems: Integrates commercial security, fire alarms, and access control systems.
3+ YOE3+ years security installation experience; able to lead installation teams; high attention to detail; able to lift up to 50 lbs; strong communication.
Microsoft Office, Bluebeam, D-Tools, Outlook, Word, Excel
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Field Engineer III
Edwards AFB or Lancaster or Palmdale
$97k-$135k/yr OnsiteFull Time
JT4, LLC
JT4, LLC: Provides engineering and technical support for U.S. military test ranges.
10+ YOEAssociate's degree or equivalent technical/military training and 10+ years' experience in specialty field; ability to obtain security clearance and possess valid state driver's license; strong troubleshooting, systems analysis, and communication skills.
HVAC, UPS, closed circuit video systems, network access control systems
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Staff Mission COMSEC Engineer
Denver or Long Beach
$160k-$265k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
10+ YOE10+ years in security architecture or encryption engineering; TS/SCI with eligibility; DoD 8140 IAT Level III; TEMPEST for space; NSA Type 1 crypto; space system experience; Bachelor degree in CS/Cybersecurity/Engineering or related field.
TEMPEST, NSA Type 1 cryptographic solutions, NIST 800-53, CNSSI 1253, ITAR
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Security Engineer III
Dublin or New York City or Los Angeles or Boston
$133k-$227k/yr HybridFull Time
Ross Stores
Ross StoresNASDAQ: ROST: Off-price retailer of apparel and home fashion.
10+ YOERequires 10+ years supporting IT systems, 6 years in IAM, security and cloud security expertise, knowledge of IAM services, programming experience, and strong problem-solving and communication skills.
Okta, SAML, Reverse Proxy, OAUTH, CyberArk, Saviynt, LDAP, Unix, DB, Oloid Passwordless Authentication, Java, O365
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Fire Alarm Engineer
Houston or Long Beach or San Francisco or Reno or United States
RemoteFull Time
Giga Energy
Giga Energy: Manufactures electrical infrastructure and operates modular AI data centers.
5+ YOERequires 5+ years designing fire alarm systems, NICET FAS Level III or IV, engineering bachelor's degree, data center experience, code expertise, field commissioning experience, and Revit and AutoCAD proficiency.
Revit, AutoCAD, VESDA, VEWFD, AHJs, IBC, IFC, NFPA 1, NFPA 101, NFPA 72, NFPA 75, NFPA 76, NFPA 92, NFPA 2001, NFPA 2010, NFPA 13, NFPA 855, NFPA 70 (NEC), FM Global Property Loss Prevention Data Sheets
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Software Engineer III - Edge Computing
Folsom or Beavercreek or Long Beach
$104k-$163k/yr OnsiteFull Time
Voyager Technologies
Voyager TechnologiesNYSE: VOYG: Provides advanced defense and commercial space technology solutions.
4+ YOEBachelor's in CS/Engineering, U.S. Person required, ability to obtain DoD clearance, 4+ years software engineering experience, expertise in Modern C++, GPU computing (CUDA/Holoscan/ROCm), Linux, containers, and systems profiling.
Modern C++, Rust, CUDA, Holoscan, ROCm, Linux, Kubernetes, Docker, gRPC, Protobuf, DPDK, RDMA, GPUDirect
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Oracle Software Engineer III (Onsite)
Pasadena, California, United States
$50-$87/hr OnsiteFull Time, Contract
Columbus Technologies and Services, Inc.
Columbus Technologies and Services, Inc.: A premier aerospace, health services and national security solutions.
5+ YOERequires 5+ years of Oracle R12.2.X eBS functional experience, ERP configuration, PL/SQL development, manufacturing and supply chain systems knowledge, business analysis, process mapping, and MS Office proficiency.
Oracle R12.2.X eBS, Oracle eBS, PL/SQL, Oracle interfaces, Microsoft Office
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