15 sr principal software engineer jobs at 7 companies in Plainfield, IN
2d
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Principal Software Engineer (T5)
Indianapolis, Indiana, United States
HybridFull Time
12+ YOEBachelor's degree in engineering or STEM discipline and 12+ years of systems, software, or hardware engineering experience. Requires U.S. citizenship and eligibility for DoD Secret clearance, with technical leadership experience.
Azure DevOps, Jira, Agile, UI/UX, MIL-STD-1553 EBR, MIL-STD-1760, JMMI
2mo
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Principal Software Engineer, AI
Atlanta or Guadalajara or Indianapolis
HybridFull Time
5+ YOE5+ years in software development; previous people management; UI/front-end experience; agile development; strong customer-focused mindset.
5d
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Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
6d
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Principal Software Engineer
Columbus or Plano or Indianapolis or Boston or Portsmouth
HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems, cloud-native development, security, testing, DevOps, and a technical or business degree or equivalent experience.
JavaScript, TypeScript, React, Node.js, Next.js, Java, Micro Frontends, HTML/CSS, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, Playwright, JMeter, Datadog, Splunk, Microsoft Bridgeway
3d
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Principal Software Engineer
Indianapolis, Indiana, United States
$108k-$205k/yr OnsiteFull Time
8+ YOESTEM degree and 8+ years of relevant experience required. Requires software lifecycle, C++/C#/Ada/Python, Windows, Git, DevOps, debugging, systems integration, and ability to obtain and maintain a Secret clearance with U.S. citizenship.
C++, C#, Ada, Python, Windows, Git, DevOps, DevSecOps, CI/CD, Green Hills Software (GHS) INTEGRITY, WindRiver VxWorks, Wireshark, AltaView, TCP/IP, UDP, USB, PCI, DDS, ZeroMQ, NetMQ, OpenGL, VAPS XT, GL Studio, SCADE, Microsoft Azure DevOps, Jira, Microsoft Excel
2w
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Sr. Principal Systems Engineer
Indianapolis, Indiana, United States
HybridFull Time
15+ YOEBachelor's degree in engineering or STEM, 15+ years of systems, software, or hardware engineering, leadership of multidisciplinary teams, avionics and complex-system integration, U.S. citizenship, passport, and Secret clearance eligibility.
Model Based Systems Engineering (MBSE), MIL-STD-1553, MIL-STD-1760, Universal Armament Interface (UAI), Radio Frequency (RF), ENET
1mo
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Sr. Principal Systems Engineer
Indianapolis, Indiana, United States
OnsiteFull Time
15+ YOEU.S. citizen able to obtain Secret clearance, 15+ years systems/software/hardware engineering experience, leadership/MBSE experience, bachelor’s in engineering/STEM, valid U.S. passport, and ability to travel up to 25%.
Model Based Systems Engineering (MBSE), MIL-STD-1553, MIL-STD-1760, Universal Armament Interface (UAI), Radio Frequency (RF), ENET
2mo
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Principal Software Engineer, Full Stack, Event Technology
San Francisco or Palo Alto or Chicago or New York City or Seattle or Indianapolis
$238k-$345k/yr HybridFull Time
10+ YOE10+ years building and scaling production systems, AI-first engineering and prompt engineering skills, architecture and technical leadership, front- and back-end experience (JavaScript/TypeScript, React, Node.js), AWS/GCP, GraphQL/REST.
Claude, Cursor, JavaScript, TypeScript, React, Node.js, Tailwind, Sass, AWS Lambda, DynamoDB, SNS, SQS, EventBridge, API Gateway, GCP, GraphQL, REST, Snowflake, Google Analytics, Akamai
2mo
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Autonomous Systems Technical Lead (Sr. Principal Systems Engineer)
Indianapolis, Indiana, United States
OnsiteFull Time
15+ YOE15+ years systems/software/hardware engineering experience, U.S. citizenship with ability to obtain DoD Secret clearance, hands-on experience with UGV/autonomy, systems architecture, integration, verification, and technical leadership.
C/C++, Python, MIL-STD-1553, MIL-STD-1760, MIL-STD-882, Universal Armament Interface (UAI), ENET, LIDAR, radar, computer vision, machine learning frameworks, Agile, Radio Frequency (RF)
5d
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Principal Engineer
Portsmouth or Boston or Indianapolis or Plano or Columbus
$120k-$225k/yr HybridFull Time
8+ YOEBachelor's or master's degree or equivalent experience, 8+ years delivering solutions in distributed ecosystems, and proficiency with Java, Spring Boot, REST, Kafka, Kubernetes, AWS, microservices, testing, DevOps, and CI/CD.
Tealium Tag Management, Tealium CDP, Adobe, Snowflake, Ensighten, Google Analytics, Google Tag Manager, Content Square, HEAP, JavaScript, AWS, SQS, SNS, S3, CDK, Lambda, RESTful APIs, PCF, Kafka, Adobe Analytics, CJA, Customer Data Platform (CDP), Adobe Analytics UI, Galileo.js, Galileo API, Scrum, Kanban, XP, Java, Spring Boot, REST, Kubernetes, Bamboo, GitHub Actions, Jenkins
1mo
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Principal Systems Engineer, Weapon System Integration
Indianapolis, Indiana, United States
HybridFull Time
12+ YOE12+ years systems/software/hardware engineering experience; leadership of integration, verification and validation; supplier test oversight; troubleshooting avionics/weapon systems; ability to obtain DoD Secret clearance; bachelor\u0002s in engineering required.
MIL-STD-1553 EBR, MIL-STD-1760, MIL-STD-8591, MIL-STD-2088B, IEEE Standard 15288, telemetry/data acquisition systems
2mo
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Principal Systems Engineer, Weapon System Integration
Indianapolis, Indiana, United States
OnsiteFull Time
12+ YOE12+ years systems/software/hardware engineering experience; experience with embedded subsystem design/integration, Agile, MIL-STD-1553/1760, RF and ENET; leadership of multi-discipline teams; U.S. citizenship and ability to obtain DoD Secret clearance.
Agile, MIL-STD-1553, MIL-STD-1760, Radio Frequency (RF), ENET, Universal Armament Interface (UAI), MIL-STD-8591, MIL-STD-2088B
2mo
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Principal Data Engineer (PMTS) - MDM
San Francisco or New York or Seattle or Indianapolis
$238k-$345k/yr HybridFull Time
12+ YOE12+ years in software/data engineering; related technical degree required; deep expertise in knowledge graph technologies, ontology engineering, graph databases, semantic search, vector search, cloud platforms (AWS/GCP/Azure), and leading enterprise-scale technical programs.
Neo4j, TopQuadrant, RDF/OWL, SPARQL, Claude, Cursor, Windsurf, GitHub Copilot, Salesforce Data Cloud, AWS, GCP, Azure, MCP frameworks, AI agents
3w
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Principal Controls Specialist – Modeling and Simulation
Indianapolis or West Lafayette or Idaho or Nebraska or Nevada or Vermont or Wyoming
$114k-$186k/yr HybridFull Time
3+ YOEBachelor's degree and 5+ years, master's degree and 3+ years, or JD/PhD; US citizenship; ability to obtain Secret clearance; software simulation, controls, C/C++, Python, and hardware/software testing experience.
C, C++, Python, CMake, Bash, Simulink, Jenkins, UNIX shell, UNIX, Windows OS, Continuous Integration/Automation, MIL-STD-3022
1w
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Senior Principal Application Support Engineering Lead – AI Products & Agents
Hyderabad or Indianapolis
OnsiteFull Time
10+ YOERequires 10–14+ years in application support, production engineering, SRE, or software engineering; incident leadership; distributed-system troubleshooting; monitoring; automation; regulated-environment experience; and advanced Python or Bash skills.
Datadog, Splunk, ELK, AppDynamics, CloudWatch, Python, Bash, Power Automate, LLM, Gen AI, Agentic, Kubernetes, CI/CD, Infrastructure as Code