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117 senior system architect jobs at 65 companies in Ontario, CA

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Senior Control System Architect
Irvine or Pasadena
$152k-$228k/yr OnsiteFull Time
Stantec
StantecToronto Stock Exchange / New York Stock Exchange: STN: Global design, engineering, and environmental consulting firm.
10+ YOE10+ years experience designing and programming OT control systems for water/wastewater; proficiency in C++, C, Python, Java or C#; knowledge of PLC/SCADA/DCS, network and cybersecurity, SDLC; bachelor’s degree required.
C, C++, Python, Java, C#, PLC, SCADA, DCS, IIOT, SDLC
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Senior Control System Architect
Irvine or Pasadena
$152k-$228k/yr HybridFull Time
Stantec
StantecTSX: STN: Provides professional engineering, architecture, and environmental consulting services.
10+ YOE10+ years technical experience; Bachelor's in CS/EE or related (MS preferred); experience with PLC/SCADA/DCS, control system programming, C++/Python/C#/Java, OT cybersecurity; valid driver's license; PE preferred.
PLC, SCADA, DCS, IIOT, C++, Python, C#, Java, SDLC, firewalls, data encryption programs, virtualized server systems
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3mo
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Ground System Architect Engineer/Sr. Ground System Architect Engineer
Chantilly or El Segundo or Colorado Springs
$117k-$227k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
6+ YOEBachelor's in engineering or related field; typically 6+ years in space/defense; proficiency in system/enterprise architecting; ground system experience; TS/SCI clearance.
SysML, UAF, UPDM, DoDAF, MODAF
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Senior Electrical Engineer - System Architect
Irvine, California, United States
$150k-$210k/yr OnsiteFull Time
DZYNE Technologies
DZYNE Technologies: Developer and manufacturer of autonomous airborne defense systems.
7+ YOE7+ years experience in electrical/system architecture for UAS or airborne platforms, bachelor’s in engineering, PCB/Altium experience, SMPS and high-speed circuit design, ICDs and subsystem requirements, export-control eligibility.
Altium
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2mo
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Senior Principal Engineer, Architecture ASIC / System
Toronto or Ottawa or Burlington or Irvine or Morrisville or Santa Clara or Westborough
$192k-$255k/yr OnsiteFull Time
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
14+ YOESenior architect with 14+ years in system architecture for SoC; expertise in interconnects, memory hierarchies, power management, security; strong technical leadership.
IP evaluation, IP block, SoC architecture
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6d
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Senior Serdes System Design Engineer/Architect
Austin or San Jose or Irvine
$144k-$230k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
10+ YOEB.S.E.E. with 12+ years or M.S.E.E. with 10+ years required; expert communication theory, DSP, MATLAB, and C/C++; analog, transmission-line, lab, and SerDes design experience.
MATLAB, C, C++, RTL, IEEE 802.3, OIF, PCIe Gen6, PCIe Gen7, PLL
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3mo
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Senior Solutions Architect
Austin or Washington, DC or El Segundo
OnsiteFull Time
Gallatin
Gallatin: Develops AI software for military logistics and supply chains.
10+ YOE10+ years in software/systems engineering, infrastructure, or technical program leadership; security clearance preferred; hands-on in government cloud; Kubernetes; Python/JavaScript/TypeScript; compliance frameworks.
Kubernetes, AWS, Azure, DevSecOps, Python, JavaScript, TypeScript
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2mo
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Senior Solutions Architect
Los Angeles, California, United States
$150k-$200k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
8+ YOE8+ years architecting distributed cloud systems (AWS/Azure/GCP), 4+ years leading enterprise platform implementations, Bachelor's in CS/IS/STEM or 10+ years experience, API integration (RESTful/gRPC), SQL and C# familiarity.
AWS, Azure, GCP, RESTful, gRPC, Microsoft Dynamics 365, Odoo, SQL, C#, MSSQL, PostgreSQL
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1mo
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System Engineer
Irvine, California, United States
$145k-$175k/yr OnsiteFull Time
ICEYE
ICEYE: Operates synthetic aperture radar (SAR) satellite constellations.
7+ years systems engineering experience on space/radar/avionics, bachelor in relevant engineering, systems architect experience, FMEA/reliability, requirements decomposition, radar/RF knowledge, system budgets and V&V experience.
FPGA, real-time OS, SpaceWire, MIL-STD-1553, CAN, SPI, LVDS, NPR 7123, DO-178, DO-330
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Principal Search Consulting Architect
United States or Canada or Seattle or Los Angeles or San Francisco or New York City
$160k-$253k/yr OnsiteFull Time
Elastic
ElasticNYSE: ESTC: Software platform for search, security, and observability.
8+ YOE8+ years as an architect or senior engineer with deep Elasticsearch internals, distributed systems, cloud-native infrastructure (AWS/Azure/GCP), Java/Python/Go proficiency, and experience building AI/semantic search solutions.
Elasticsearch, Apache Lucene, kNN, Approximate Nearest Neighbor (ANN), ELSER (Elastic Learned Sparse Encoder), Retrieval-Augmented Generation (RAG), Index Lifecycle Management (ILM), cross-cluster replication (CCR/CCS), Docker, Terraform, AWS, Azure, GCP, Java, Python, Go, Elasticsearch client libraries
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4w
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Principal Enterprise Architect
United States or Los Angeles
$165k-$235k/yr RemoteFull Time
Genpact
GenpactNYSE: G: Provides business process management and digital transformation services.
Bachelor\u0002s in computer engineering/computer science/IT or master\u0002s in information systems/software engineering; AWS Solutions Architect certification; experience in enterprise and infrastructure architecture, solution evaluation, and stakeholder collaboration.
Amazon Web Services (AWS)
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2w
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Distinguished Platform Solutions Architect- Remote
United States or Costa Mesa
$140k-$252k/yr RemoteFull Time
Experian
ExperianLondon Stock Exchange: EXPN: Provides data and analytical tools to manage credit risk.
8+ YOE8+ years technology experience with 3+ years senior architect or equivalent; hands-on developer platform and AI-native systems, CI/CD, agent orchestration, knowledge grounding, and secure software supply chain practices.
CI/CD, Backstage, cloud landing zones, agent orchestration, Knowledge Graphs, MCP servers, APIs, SLSA, SBOMs
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1d
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Senior Application Architect
Redlands, California, United States
$89k-$129k/yr OnsiteFull Time
Redlands Community Hospital
Redlands Community Hospital: Provides comprehensive medical, surgical, and emergency healthcare services.
Bachelor's degree required, plus 5+ years implementing and supporting healthcare information systems. Requires healthcare project leadership, requirements documentation, project management, HL7, ANSI X12, EDI, and interface engine experience.
HL7, ANSI X12, EDI, Interface Engine
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Distinguished Engineer - Chief Architect
San Jose or Portland or Research Triangle Park or Seattle or New York City or Irvine or San Diego
$337k-$427k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
17+ YOEBachelor's in CS/Engineering or equivalent; 17+ years in software engineering, technical architecture, distributed systems or AI/ML; principal/architect experience; proven ability to set technical strategy and drive cross-organizational architecture; cloud and AI/ML experience.
CIRCUIT, GCP, AWS, Azure, LLM, RAG
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1mo
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Senior Architect, Information Systems - Databricks - Remote
Long Beach or United States
$96k-$209k/yr RemoteFull Time
Molina Healthcare
Molina HealthcareNYSE: MOH: Provides managed health insurance through government-sponsored benefit programs.
5+ YOE2+ MgmtExpertise in Databricks, Spark, Delta Lake, and Unity Catalog; Bachelor's degree in a relevant field; 2+ years hands-on implementation experience; 5+ years IT technical experience; 2+ years leadership experience.
Databricks, Spark, Delta Lake, Unity Catalog
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4w
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Actuation Systems Architect
Endicott or Los Angeles or Austin
HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
12+ YOEBachelor's in engineering,12+ years leading architecture/design/integration of flight controls and actuation systems,knowledge of safety-critical standards (ARP4754,DO-178B/C,DO-254),system lifecycle,FMEA,strategic planning,and customer engagement.
SysML, ARP4754, DO-178B/C, DO-254
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2d
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Senior Artificial Intelligence Governance Architect
Seattle or Seal Beach or Miami or Arlington or Mesa or North Charleston
$145k-$209k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOERequires 5+ years in systems or software engineering, program or project management, risk management, and cross-functional work; 3+ years in AI governance and architecture or requirements processes.
National Institute of Standards and Technology Artificial Intelligence Risk Management Framework (NIST AI RMF), Department of Defense Artificial Intelligence Ethics Principles (DoD AI Ethics Principles), European Union Artificial Intelligence Act (EU AI Act), ISO 42001, ServiceNow, Archer, OneTrust, Credo AI, machine learning, deep learning
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2mo
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Consulting Architect | Public Sector | DC Preferred
Washington or Seattle or Los Angeles or San Francisco or New York City or United States
$133k-$183k/yr RemoteFull Time
Endgame Systems
Endgame SystemsNYSE: ESTC: Search, observability, and security solutions for public sector agencies.
5+ YOERemote consulting architect with 5+ years systems/engineering experience and 3+ years client-facing consulting; expertise with Elasticsearch/Elastic Stack, Linux/Windows, cloud platforms, programming (Java/Python/JavaScript/Ruby), and databases; occasional DC travel.
Elastic Stack, Elastic, Elasticsearch, Linux, Unix, Windows, AWS, Microsoft Azure, Google Cloud, Java, Python, JavaScript, Ruby, SQL, Redis, MongoDB, Ansible, GitHub, Kubernetes, Docker, Kafka
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Enterprise Architect
Irvine, California, United States
$120k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOE10+ years IT experience with 5–7+ years in corporate systems/ERP architecture; experience with HR/Finance/ERP platforms, integrations, controls, security, and technology roadmaps.
Workday, Anaplan, Oracle, SAP, APIs, middleware
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Electrical Architect
Torrance, California, United States
$122k-$250k/yr OnsiteFull Time
Northwood Space
Northwood Space: Manufacturing ground stations and providing satellite communication infrastructure.
5+ YOE5+ years electrical architecture experience with high-speed digital and mixed-signal systems, FPGAs, SerDes, multi-layer PCB design, EMI/EMC mitigation, and Top Secret clearance eligibility.
FPGAs, SerDes, JESD204C, JESD204B/C, 10/100 GigE, 10/100G Ethernet, DDR
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