18 principal engineer jobs at 12 companies in Montana
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Principal Electrical Engineer
Billings, Montana, United States
OnsiteFull Time
12+ YOE12+ years electrical engineering experience in oil and gas, BS/MS in Electrical Engineering required, PE preferred, ETAP and SPL experience, Microsoft Office proficiency, team leadership and project delivery skills.
Microsoft Office Suite, ETAP, SPL
2w
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Principal Electrical Engineer
Billings, Montana, United States
OnsiteFull Time
12+ YOE12+ years oil and gas electrical engineering experience; BS in Electrical Engineering required; PE preferred; expertise in MV/LV distribution, protective relays, power studies; leadership and team management; ETAP,SPL and MS Office experience.
Microsoft Office, ETAP, SPL
6d
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Principal Industrial Engineer
Malmstrom Air Force Base, Montana, United States
$122k-$208k/yr OnsiteFull Time
12+ YOE6+ Mgmt12+ years in industrial or related engineering, 6+ years of technical leadership, USACE and AFCEC experience, DoD requirements development, strong communication, US citizenship, and ability to obtain TS/SCI clearance.
United States Army Corps of Engineers (USACE), Air Force Civil Engineering Center of Excellence (AFCEC)
1mo
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Principal AI Engineer
St. Petersburg or Alabama or Arizona or Florida or Georgia or Hawaii or Idaho or Louisiana or Maine or Maryland or Missouri or Montana or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Oklahoma or Oregon or Texas or Utah or Virginia or West Virginia or Wisconsin
$180k-$200k/yr HybridFull Time
10+ YOE10+ years building production software and production AI applications; strong Python and AWS experience; ability to work across frontend, backend, cloud, and AI systems; debugging and architecture skills.
React, Next.js, TypeScript, Tailwind CSS, Python, Django, FastAPI, PostgreSQL, Redis, OpenAI, Anthropic, Gemini, RAG, vector databases, embeddings, AWS, ECS/Fargate, S3, Lambda, Terraform, Docker, Cloudflare, CI/CD
2mo
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Principal Engineer, SCADA Engineering (BESS)
Chicago or Washington or San Diego or Sacramento or Baltimore or Des Moines or Birmingham or Oakland or Seattle or Montana or Oregon or Kansas or Nebraska or Kentucky or Idaho or Missouri or Alabama or Minnesota or California or West Virginia or Washington or Arkansas or South Dakota or Delaware or Indiana or Rhode Island or Maine or Colorado or Florida or Wyoming or Utah or Massachusetts or Alaska or Nevada or New Hampshire or Texas or Connecticut or Arizona or Ohio or South Carolina or Mississippi or Virginia or New Mexico or Vermont or Michigan or Oklahoma or Georgia or Wisconsin or Louisiana or Tennessee or New Jersey or Illinois or Pennsylvania or New York or North Carolina
$155k-$180k/yr HybridFull Time
8+ YOEBS in Electrical/Computer Engineering, 8+ years SCADA/power generation experience with BESS integration, ability to support commissioning, coordinate multiple projects, up to 25% travel, valid driver’s license, and U.S. work authorization required.
EMS, BMS, SCADA, HMI, PLC, RTU, OPC, CANBUS, DNP3, Modbus, CHIL
1mo
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Principal Fire Protection Engineer
Florida or Arizona or Arkansas or Colorado or Connecticut or Delaware or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or North Dakota or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Texas or Alabama or Alaska
$145k-$174k/yr RemoteFull Time
10+ YOE10+ years fire protection engineering (≥2 years energy infrastructure), bachelor’s in fire protection or related field, PE preferred, expertise with NFPA/IBC/UL standards, experience with AHJs, ability to travel up to 25%, U.S. work authorization required.
NFPA, IBC, UL 9540/9540A, UL855, SCADA
2mo
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Principal Engineer, SCADA Engineering (BESS)
Chicago or Washington or San Diego or Sacramento or Baltimore or Des Moines or Birmingham or Seattle or Oakland or Montana or Oregon or Kansas or Nebraska or Kentucky or Idaho or Missouri or Alabama or Minnesota or West Virginia or Arkansas or South Dakota or Delaware or Indiana or Rhode Island or Maine or Colorado or Florida or Wyoming or Utah or Massachusetts or Alaska or Nevada or New Hampshire or Texas or Washington or Connecticut or Arizona or Ohio or South Carolina or Mississippi or Virginia or New Mexico or Vermont or Michigan or Oklahoma or Georgia or Wisconsin or Louisiana or California or Tennessee or New Jersey or Illinois or Pennsylvania or New York or North Carolina
$155k-$180k/yr RemoteFull Time
8+ YOEBS in Electrical/Computer Engineering, 8+ years SCADA and power plant controls experience with BESS focus, up to 25% travel, valid driver’s license, and ability to work in the U.S. without employer visa sponsorship.
EMS, BMS, SCADA, HMI, PLC, RTU, Controls Hardware-in-the-Loop (CHIL), OPC, CANBUS, DNP3, Modbus
2mo
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Principal Water Wastewater Consultant
Highlands Ranch or Reno or Phoenix or Salt Lake City or Missoula or Dallas or Raleigh or Indianapolis or Minneapolis or Tampa or Philadelphia
$136k-$205k/yr HybridFull Time
20+ YOE20+ years industrial water/wastewater experience; Bachelor's in engineering; PE license preferred; cross-functional in engineering, project management, sales; mining sector knowledge.
1mo
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Principal Software Engineer
Rhode Island or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Illinois or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$144k-$288k/yr RemoteFull Time
10+ YOE10+ years IT experience, 7+ years Java/Swift/SwiftUI/Kotlin, 5+ years mobile architecture experience, CI/CD and testing experience, 1+ year AI/ML experience, Flutter and EM/ML framework familiarity.
Java, Swift, SwiftUI, Kotlin, MVVM, Clean Architecture, Flutter, TensorFlow, PyTorch, Scikit-learn, JavaScript, AngularJS, Angular, NodeJS, LangSmith, Braintrust, Promptfoo, Claude Code, Codex, Cursor, GitHub Copilot, Oracle
2mo
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Principal Machine Learning Engineer
Denver or Arizona or Arkansas or California or Florida or Georgia or Illinois or Indiana or Iowa or Kansas or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Montana or Nevada or New Jersey or New York or North Carolina or Ohio or Oklahoma or Pennsylvania or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin
$228k-$253k/yr HybridFull Time
10+ YOE10+ years building and deploying large-scale ML systems; expertise with cloud (AWS), big-data tools, ML frameworks, and leading ML strategy and mentoring engineers.
Python, Apache Spark, Databricks, AWS, Amazon SageMaker, scikit-learn, TensorFlow, Spark ML, Apache Kafka
1mo
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Principal Tetragon Software Engineer
San Jose or North Dakota or Montana or Maine or Ohio or Nebraska or Louisiana or Texas or Nevada or Hawaii or Georgia or Mississippi or Connecticut or Colorado or Wyoming or Wisconsin or West Virginia or Maryland or California or Vermont or New York or New Jersey or Arkansas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or New Mexico or New Hampshire or Kentucky or Alabama or South Carolina or Illinois or Missouri or Massachusetts or Iowa or Tennessee or North Carolina or Minnesota or Kansas or Alaska or Rhode Island or Delaware or Washington or Virginia or Utah or Oregon or Florida or Oklahoma
$231k-$332k/yr RemoteFull Time
10+ YOE10+ years systems programming experience; strong Go and eBPF knowledge; Linux, distributed systems, and kernel-level experience; architecture and performance optimization skills.
Go, eBPF, C, C++, Java, Python, Rust, Kubernetes, Cilium, Tetragon, Splunk, Linux
2d
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Senior Principal Software Engineer IS - Cloud Engineering, Hybrid
Redmond or Alaska or California or Montana or Hobbs or Oregon or Levelland or Lubbock or Plainview or Washington
$58-$152/hr HybridFull Time
12+ YOEBachelor's degree or equivalent, 12 years of related experience including 5 years as a lead engineer, object-oriented programming, SQL/NoSQL, Git, Agile, cloud technologies, and complex enterprise projects.
C#, Java, Python, Git, SQL, NoSQL, Azure DevOps, TFS, Jira, Azure, AWS
2d
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Senior Principal Software Engineer IS - Cloud Engineering, Hybrid
Redmond or Alaska or California or Montana or New Mexico or Oregon or Texas or Washington
$58-$152/hr HybridFull Time
12+ YOEBachelor's degree or equivalent experience; 12 years of related experience, including 5 years as a lead engineer; expertise in C#, Java, Python, Git, SQL/NoSQL, Agile, Azure DevOps, TFS, Jira, and cloud technologies.
C#, Java, Python, Git, SQL, NoSQL, Azure DevOps, TFS, Jira, Azure, AWS
1w
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Principal Specialist Sales Engineer, Zero Trust Branch - Majors, West
Arizona or California or Colorado or Idaho or Iowa or Minnesota or Montana or Nebraska or Nevada or New Mexico or North Dakota or Oregon or South Dakota or Utah or Washington or Wisconsin or Wyoming
$176k-$251k/yr RemoteFull Time
10+ YOEBachelor’s degree or equivalent,10+ years in sales engineering/solutions consulting, proven experience selling network security technologies, curiosity about AI tools, strong communication and problem-solving skills.
SD-WAN, SSL/IPsec, VPNs, DLP, SWG
2w
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Principal Software Engineer (Security & Policy Platform) (Remote)
San Jose or North Dakota or Montana or Maine or Ohio or Nebraska or Louisiana or Texas or Nevada or Hawaii or Georgia or Mississippi or Connecticut or Colorado or Wyoming or Wisconsin or West Virginia or Maryland or California or Vermont or New York or New Jersey or Arkansas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or New Mexico or New Hampshire or Kentucky or Alabama or South Carolina or Illinois or Missouri or Massachusetts or Iowa or Tennessee or North Carolina or Minnesota or Kansas or Alaska or Rhode Island or Delaware or Washington or Virginia or Utah or Oregon or Florida or Oklahoma
$251k-$363k/yr RemoteFull Time
12+ YOEBachelor's in CS/EE or related and 12+ years designing large-scale distributed systems; experience with cloud/hybrid, security and privacy for platform systems; production coding in Go/Rust/C++; strong communication.
Go, Rust, C++
2mo
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Principal Water Wastewater Consultant
Highlands Ranch or Reno or Phoenix or Salt Lake City or Missoula or Dallas or Raleigh or Indianapolis or Minneapolis or Tampa or Philadelphia or Denver or Las Vegas or Houston
$136k-$205k/yr HybridFull Time
20+ YOE20+ years industrial water/wastewater treatment experience; B.S. in engineering preferred; subject matter expertise in mining sector; proven business development and project leadership; PE preferred.
1mo
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Principal IS Applications Analyst - Hybrid
Renton or Alaska or New Mexico or Oregon or Washington or California or Texas or Montana or Nevada
$46-$112/hr HybridFull Time
10+ YOEBachelor's degree and 10+ years of systems analyst/developer experience required, including two years supporting business applications. Requires four years of WIM, JEE, Oracle technologies, cloud infrastructure, and testing experience.
Workforce Integration Manager (WIM), Java Enterprise (JEE), Oracle ADF, MAF, JET, OCS, micro-services, Hudson, Oracle, AWS, Microsoft Azure, Google, OpenStack, Kronos, Kronos v7, Timekeeper, Advanced Scheduler, Attestation, Analytics, SSRS, Oracle Cloud, e-business HCM, Payroll, Supply Chain, Finance
2mo
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Senior AI Architect
Dallas or Vermont or Maryland or Rhode Island or Nebraska or Georgia or Florida or Pennsylvania or Virginia or Utah or New Mexico or Louisiana or Michigan or Colorado or Massachusetts or Illinois or Connecticut or Washington or Oklahoma or Indiana or Missouri or Ohio or Tennessee or Oregon or Delaware or Minnesota or Maine or Washington or South Dakota or Mississippi or North Dakota or California or New Hampshire or Iowa or Wyoming or Arkansas or Kentucky or Alabama or New York or Montana or New Jersey or West Virginia or South Carolina or Arizona or Wisconsin or Nevada or Kansas or North Carolina or Hawaii or Alaska or Texas or Idaho
$204k-$280k/yr HybridFull Time
15+ YOE15+ years engineering experience building production-grade AI/ML systems; expertise with LLMs, embeddings, vector architectures, and constraint-based planning; proven principal/lead architect experience and strong autonomy.
Large language models (LLMs), vector databases, Enterprise Knowledge Graph, constraint-based planning engines
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