27 principal engineer jobs at 20 companies in Marlborough, MO
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Principal Engineer - Systems
St. Louis, Missouri, United States
RemoteFull Time
11+ YOE11+ years software and infrastructure engineering experience, expertise in cloud (Azure), security (MFA, SSO, MIM, OTP), distributed systems, and strong stakeholder communication and mentoring skills.
Microsoft Active Directory, Microsoft Entra, AppSec, MFA, SSO, MIM, OTP, Azure
1d
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Principal Engineer
St. Louis or Charlotte
$159k-$254k/yr HybridFull Time
7+ YOERequires 7+ years of engineering experience, 7+ years with Spring Boot or ASP.NET Core, 5+ years with React or Angular, leadership solution experience, MongoDB or NoSQL, and AI-assisted development experience.
Spring Boot, Java, ASP.NET Core, .Net, React, Angular, MongoDB, NoSQL, GitHub Copilot, Devin, Claude
3mo
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Senior Principal Electrical Engineer
Wildwood or Anoka or St. Louis or Tucson or Raleigh
$124k-$230k/yr HybridFull Time
10+ YOEBachelor’s degree in Electrical Engineering; 10+ years (15+ preferred) in data center, power electronics, or telecom power systems; experience architecting electrical systems and leading cross-functional teams.
3mo
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Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS
2w
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Principal Substation Engineer
Chicago or Phoenix or Charlotte or St. Louis or Marlton or Roanoke or Monroeville or Boise or Kansas City or Columbus or Cleveland or Cincinnati or Madison or Ann Arbor or Kalamazoo or Salt Lake City or United States
$147k-$175k/yr RemoteFull Time
15+ YOEBachelor's in Electrical Engineering, professional engineer license, and 15+ years in power and utility design, engineering, and project management; high-voltage substation experience required.
Microsoft Project, AutoCAD, MicroStation, Inventor
1mo
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Principal, Project Delivery Engineer
Belleville, Illinois, United States
$102k-$170k/yr OnsiteFull Time
12+ YOEBachelor's in engineering required (civil/environmental preferred), PE license, 12+ years water resources engineering experience, valid driver's license, knowledge of project delivery, budget and regulatory compliance.
3w
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Principal Radar Integrator Chief Engineer
Berkeley, Missouri, United States
$197k-$267k/yr OnsiteFull Time
20+ YOEEngineering-related bachelor's degree and 20+ years' experience, or equivalent advanced-degree experience. Requires technical leadership and radar systems analysis, modeling, simulation, design, and testing experience.
Model Based Systems Engineering, MSOSA, Earned Value Management
21h
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Principal Model-Based Systems Engineer
Saint Louis, Missouri, United States
$111k-$193k/yr OnsiteFull Time
3+ YOEBachelor’s degree in systems, aerospace, electrical engineering, or related technical field; 3–10 years based on degree; experience with MBSE tools; active Top Secret clearance and ability to obtain Top Secret/SCI.
NoMagic, MagicDraw, Cameo, CATIA Magic System of Systems Architect, SysML, UPDM, IBM Rhapsody, Teamwork Cloud, Cameo Systems Modeler
2mo
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Principal Electrical Engineer (Bridgeton, MO, US, 63044)
Bridgeton, Missouri, United States
$104k-$141k/yr HybridFull Time
8+ YOEBachelor's in engineering, 8+ years engineering experience, power electronics design (AC-DC, DC-DC, DC-AC), familiarity with batteries/energy storage, EMI/EMC, CAD/Altium and circuit simulation, and ability to obtain DOD security clearance; U.S. citizenship required.
ALTIUM
3w
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Principal Radar Integrator Chief Engineer
Berkeley, Missouri, United States
$197k-$267k/yr OnsiteFull Time
20+ YOEBachelor's degree in a specified technical field and 20+ years' experience, or equivalent advanced-degree experience; technical leadership and radar systems analysis, modeling, simulation, design, and testing experience required.
Model Based Systems Engineering, MSOSA, Earned Value Management
1mo
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Principal Network Engineer z/OS
Saint Paul or Atlanta or Cupertino or New York City or Chicago or Denver or Charlotte or Brookfield or Earth City
$120k-$141k/yr HybridFull Time
7+ YOE7+ years IT experience managing mainframe network services; expertise with z/OS Communications Server, VTAM, TCP/IP, TN3270, GDPS, TPX, Connect:Direct, SMP/E; associate degree or equivalent; on-call support.
IBM z/OS Communications Server, VTAM, TCP/IP, TN3270, GDPS, TPX Session Manager, Connect:Direct, FTP, SFTP, FTPS, FTP-AT/TLS, SMP/E
3mo
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Sr. Architectural Manager and Principal or Associate Principal- Healthcare Studio
St. Louis or Chicago
HybridFull Time
20+ YOE20+ MgmtSenior leadership role driving growth for Healthcare Studio; 20+ years experience in healthcare architecture; client development and mentoring.
1mo
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Principal Engineer, Engineering Productivity
Ontario or Santa Clara or St. Louis or Bengaluru or London or Paris or Melbourne or Taipei or Tokyo
OnsiteFull Time
15+ YOE15+ years software engineering experience building CI/CD platforms; expertise with Python, GoLang, Terraform, Helm, Drone/GitHub Actions, AWS, Kubernetes, Docker; BSCS required, MSCS preferred; on-call participation and leadership/mentoring experience.
Python, GoLang, Java Spring, Terraform, Helm, Drone, GitHub Actions, Spinnaker, AWS, Kubernetes, Docker
1w
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Principal Software Engineer I
Maryland Heights, Missouri, United States
HybridFull Time
8+ YOEBachelor’s degree or equivalent experience, 8+ years software engineering experience, cloud architecture expertise, and advanced C#, .NET, microservices, Kubernetes, databases, CI/CD, and front-end skills.
C#, ASP.NET, .NET Core, .NET 8, GitLab, GitHub, Helm, Kubernetes, AWS, Google Cloud Platform (GCP), Cloud Run, GKE, Cloud Functions, Pub/Sub, Cloud SQL, Azure DevOps Repos, Bitbucket, ReactJS, TypeScript, JavaScript, HTML5, CSS3, REST APIs, OAuth2, OpenID Connect, SAML, JWT, SQL Server, PostgreSQL, MongoDB, DynamoDB, Kiro, Claude, GitHub Copilot, Amazon Q Developer, UiPath, Microsoft Power Automate, Automation Anywhere, Kafka, RabbitMQ, Splunk, Datadog, Grafana, Prometheus, OpenTelemetry, Elastic Stack
2mo
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Principal Network Engineer
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOEExpertise in Cisco WAN (ASR, Nexus9K), LAN/WAN/MPLS/BGP/OSPF/ISIS, multicast protocols, SDN/Data Centre networking, network automation/SRE/DevOps, Agile/JIRA, packet analysis; CCIE desirable and bachelor’s degree or equivalent experience.
JIRA, Scrum, Kanban, Cisco ACI, VxLAN, ASR, Nexus9K, SDN
2mo
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Principal, Air Quality
St. Louis, Missouri, United States
$161k-$202k/yr HybridFull Time
13+ YOEB.S./M.S./Ph.D. in engineering or environmental sciences; 13+ years air science experience in consulting; demonstrated regulatory knowledge, project and people management, and business development to generate ~$1M/year.
3w
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Principal Information Security Engineer
St Louis, Missouri, United States
$130k-$160k/yr HybridFull Time
7+ YOEBachelor's or equivalent experience,7+ years information security experience,Security+ required; CISSP/CISM/GIAC preferred; experience with network security,IAM,endpoint security,vulnerability management,and SIEM; strong communication and analytical skills.
SIEM, IAM
1w
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Principal Electrical Designer
Creve Coeur, Missouri, United States
$97k-$145k/yr OnsiteFull Time
12+ YOEAssociate degree in design or drafting technology, bachelor's in engineering, or equivalent; advanced electrical design knowledge; NEC/NFPA familiarity; AutoCAD proficiency; and 12 years of experience preferred.
AutoCAD, NEC, NFPA
1w
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Principal Electrical Designer
Creve Coeur, Missouri, United States
$97k-$145k/yr OnsiteFull Time
12+ YOEAssociate degree in design/drafting, BS in engineering, or equivalent; advanced electrical design knowledge; NEC/NFPA familiarity; ability to lead projects, coordinate teams, and perform field verification. AutoCAD and 12 years' experience preferred.
AutoCAD, CAD
2mo
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Senior Principal, Data Engineering
Arlington or O'Fallon
$212k-$390k/yr OnsiteFull Time
Design, build, and operate enterprise-scale cloud-native data platforms across AWS and Azure; hands-on Spark/PySpark and Python experience; Infrastructure-as-Code and CI/CD; strong cloud security and data governance expertise.
AWS S3, Amazon EC2, AWS Lambda, AWS Glue, Amazon Redshift, Amazon EMR, Amazon Athena, AWS Lake Formation, Databricks, Azure Data Factory, Azure Synapse, Azure Fabric, Azure Data Lake, Terraform, CloudFormation, Bicep/ARM, Azure DevOps, GitLab CI/CD, Spark, PySpark, Python, Bash, PowerShell, Docker, Kubernetes, ECS, AKS, CloudWatch, Azure Monitor, ELK, Grafana
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