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Principal Engineer - Automation
Worcester or North Chicago
$110k-$209k/yr HybridFull Time
8+ YOEDesired Bachelors in engineering or related field (or equivalent experience), ~8+ years engineering/operational experience, strong technical expertise in engineering disciplines, project leadership, cross-functional collaboration, and ability to travel 20-30%.
2mo
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Principal Engineer, Customer Quality
Beverly, Massachusetts, United States
$148k-$283k/yr OnsiteFull Time
10+ YOE10+ years in quality, manufacturing or engineering; knowledge of ISO/IATF; global manufacturing experience; strong analytical skills.
MS Office, Quality Management Systems (ISO/IATF/VDA)
3w
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Principal Environmental Engineer
San Diego or Concord or Knoxville or Denver or Norfolk or Canton
$175k-$225k/yr RemoteFull Time
15+ YOEMaster's in Environmental Engineering, PE license, 15+ years environmental engineering experience (DoD/CERCLA), leadership experience on federal remediation projects, ability to travel, strong verbal and written communication.
1mo
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Principal Test Engineer
Andover, Massachusetts, United States
$160k-$250k/yr OnsiteFull Time
8+ YOEEight+ years in test engineering with leadership of system/subsystem testing; strong verification, documentation, and cross-functional coordination; US citizenship.
Python, MATLAB, LabVIEW, Data acquisition tools
3mo
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Principal Engineer - Test Platform Services
Boston, Massachusetts, United States
$168k-$247k/yr HybridFull Time
8+ YOE3+ Mgmt8+ years software engineering, cloud-native distributed systems, AWS, leadership of engineers, device simulation/IoT experience preferred
AWS, Kubernetes, EKS, IoT, Firmware-cloud integration
2mo
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Principal Engineer, API & MCP Platform
Reston or Somerville
$220k-$250k/yr HybridFull Time
10+ YOESenior-level principal engineer for API and MCP platform; hybrid role; Reston, VA or Somerville, MA; high ownership and hands-on leadership.
API design, MCP (Model Context Protocol), Semantic APIs, GCP, Vertex AI Context Caching, BigQuery, Snowflake, Apigee
3mo
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Principal Electrical Engineer
Needham, Massachusetts, United States
$131k-$185k/yr OnsiteFull Time
10+ YOE10+ years in electrical engineering; power electronics and embedded systems; leadership through influence; experience delivering consumer products from concept to production.
Power electronics, Embedded systems, PCB design, Schematic capture, DFM/DFT, Regulatory compliance
2mo
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Principal Systems Engineer
Hanscom AFB, Massachusetts, United States
OnsiteFull Time
20+ YOECitizenship: US citizen; Active Secret Clearance;Bachelor's degree and 20 years in engineering, with 10+ years in DoD; strong Agile, SAFe, and communication skills.
2mo
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RF Engineer Principal
Hudson or Phoenix
OnsiteFull Time
7+ YOEBS in Electrical Engineering; 7 years in high reliability aerospace/defense; technical leadership; RF/microwave testing; RF simulations; travel ~10%; active security clearance.
Microwave Office, AWR, ADS, HFSS, MATLAB
2d
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Principal Systems Engineer
Mounds View or Newton
$134k-$202k/yr OnsiteFull Time
3+ YOESystems engineering experience in medical device development, interface/integration testing, Design Controls knowledge, and cross-functional collaboration; bachelor’s/master’s/PhD with relevant years of experience.
2mo
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Principal Simulation Engineer
Cambridge, Massachusetts, United States
$95k-$245k/yr OnsiteFull Time
7+ YOE7-10 years in systems engineering; strong C/C++ and MATLAB/Simulink; experience with real-time simulations and hardware-in-the-loop; ability to lead teams and develop simulation architectures.
C/C++, MATLAB/Simulink, Linux, Bash, GCC, GNU Make, GDB
1mo
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Principal Engineer-Hardware
Beverly, Massachusetts, United States
$75k-$232k/yr OnsiteFull Time
10+ YOEBS/MS in Electrical Engineering; 10+ years hardware design; analog, mixed-signal, and digital with embedded MCU; USB/SPI/I2C knowledge; PLM tools; export controls exposure.
CAD tools, FPGA, HDL, VHDL, Verilog, USB, SPI, I2C, Agile PLM
2w
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Principal Systems Engineer
Hanscom Afb, Massachusetts, United States
OnsiteFull Time
20+ YOEUS citizen with active Top Secret clearance (must maintain; SCI later possible). Bachelor's or Master's preferred. 20+ years experience (12+ DoD preferred). Systems engineering, architecture, requirements analysis, ICAM, cloud, Agile/DevSecOps, risk assessment, test & evaluation.
Nixdorf Advanced Software Environment, Oracle Report, Agile methodology, CI/CD, DevSecOps, DevOps, DoDI 5000.02, DoDI 5000.75
3mo
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Principal Systems Engineer
Wilmington, Massachusetts, United States
$144k-$216k/yr OnsiteFull Time
6+ YOEProactive self-starter with strong problem solving; leads complex projects; 6+ years in high-precision optical or semiconductor instruments; MS/PhD in optical, mechanical, or electrical engineering or physics; travel up to 50%; strong collaboration and communication; MATLAB/LabVIEW/ZEMAX a plus.
MATLAB, LabVIEW, ZEMAX
3mo
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Senior Principal Systems Engineer
Nashua or Manchester
$133k-$226k/yr OnsiteFull Time
8+ YOERequires Secret clearance, BS with 8+ years (or MS/PhD with reduced years), systems engineering across lifecycle, leadership experience, EW domain knowledge, and model-based systems engineering experience (e.g., MagicDraw).
MagicDraw
2w
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Senior Principal Systems Engineer
Merrimack or Hudson
$127k-$215k/yr OnsiteFull Time
8+ YOEActive US government Secret clearance, ability to obtain Top Secret, BS in engineering (or equivalent experience) with 8+ years experience, RF and hardware integration experience, system engineering lifecycle and test experience, Magic Draw familiarity preferred.
Magic Draw
3mo
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Principal Engineer
Nashua, New Hampshire, United States
$150k-$200k/yr HybridFull Time
8+ YOE8+ years software engineering; BS in CS/SE or equivalent; hands-on architecture and delivery; strong design, leadership and collaboration.
Angular, Typescript, Node.JS, NestJS, Express, AWS, MongoDB, SQL Server, Stripe, Treasury Prime, Quickbooks
5d
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Mechanical Senior Principal Engineer
Austin or Franklin
$174k-$226k/yr OnsiteFull Time
15+ YOE15+ years mechanical/thermal engineering experience with Direct Liquid Cooling (DLC), data center cooling, reliability/failure analysis, CAD proficiency, and willingness to travel for customer and factory support.
Creo, SolidWorks, NX, CFD, FEA
2mo
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Principal Engineer
Pune or Boston
OnsiteFull Time
10+ YOE10+ years software engineering experience; expert in C#, .NET/.NET Core, TypeScript; hands-on AWS serverless, Kubernetes/Docker, CI/CD, distributed systems and microservices; strong architecture and leadership skills.
.NET, .NET Core, C#, ASP.NET Core, Entity Framework, TypeScript, Angular, React, AWS, Lambda, API Gateway, Step Functions, EventBridge, ECS, EKS, Fargate, RDS, Aurora, DynamoDB, NoSQL, SQS, SNS, Kafka, RabbitMQ, AWS CodePipeline, GitHub Actions, Kubernetes, Docker, SQL, Cosmos DB
2mo
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C5I Principal Platform Engineer
Tewksbury, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEBachelor's in STEM; 8+ years of relevant experience; expert Linux platform engineering; Docker, Kubernetes, Terraform, Ansible; CI/CD with Jenkins/GitLab; scripting (Python, Bash, PowerShell); ability to obtain Secret clearance; U.S. citizenship required.
Linux, Kubernetes, Docker, Terraform, Ansible, Artifactory, Jenkins, GitLab CI/CD, Python, Bash, PowerShell, VMware, KVM, Artifactory
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