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53 principle developer jobs at 34 companies in Quincy, MA

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Principle Thermal Mechanical Engineer
Littleton, Massachusetts, United States
$154k-$211k/yr OnsiteFull Time
Flex
FlexNASDAQ: FLEX: Contract electronics manufacturing and supply chain management services.
7+ YOEMaster's (thesis) in Mechanical Engineering, 7+ years designing fluid systems, 3+ years at senior/principal level, expertise in fluid dynamics/heat transfer, SolidWorks/CAD experience, product development experience.
SolidWorks, CAD
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Principle Thermal Mechanical Engineer
Littleton, Massachusetts, United States
$154k-$211k/yr OnsiteFull Time
JetCool
JetCoolNASDAQ: FLEX: Direct-to-chip liquid cooling for high-performance computing.
7+ YOEMaster's (thesis) in Mechanical Engineering, 7+ years designing fluid systems, 3+ years at senior/principal level, expertise in fluid dynamics and heat transfer, SolidWorks CAD experience, product development and technical leadership experience.
SolidWorks CAD
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3w
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Principle RF/Microwave Engineer
Nashua, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEBachelor's in engineering/science with 6+ years (or Master’s with 4+ years), US person able to obtain Secret clearance, experience designing microwave modules, EM modeling proficiency, Keysight ADS preferred, strong communication skills.
Keysight ADS
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2mo
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Principle Software Engineer, AI Observability & Evals Platform
Boston or San Francisco or New York City
$230k-$270k/yr OnsiteFull Time
LangChain
LangChain: Tools for building and deploying production-ready AI agents.
10+ YOE10+ years backend or full-stack engineering; strong Python/Go; TypeScript/React; architectural decisions; reliable, scalable systems; mentoring.
Python, Go, TypeScript, React
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2d
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Principle Systems Engineer - Anti-Tamper
Nashua, New Hampshire, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
4+ YOEBachelor's degree plus 4+ years experience; systems engineering, hardware/software integration, writing requirements, architecture definition, validation/verification; ability to obtain Secret clearance; leading teams preferred.
Xilinx, Microsemi, Cameo, MagicDraw
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Principle DevOps Tools Engineer - Woburn, MA
Woburn, Massachusetts, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOELinux system administration; experience with DevOps tools; 5+ years in related roles; US citizenship and ability to obtain DoD clearance.
Jira, Git, Bitbucket, GitLab, Confluence, Jenkins, Rational, Azure DevOps, Python, MATLAB, Visual Studio, VxWorks, QT, Docker, Kubernetes, OpenShift, Rancher, Tanzu, DOORS, Oracle, SQL Server, InfluxDB, PostgreSQL, MySQL, Windows, Linux
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Senior Quality Development Engineer
Boston, Massachusetts, United States
$92k-$136k/yr OnsiteFull Time
InterSystems
InterSystems: Provides data management and healthcare information technology software solutions.
5+ YOE5+ years IT experience; IT degree; HL7 and FHIR experience; REST API automation; SQL and at least one programming language; web development knowledge; SDLC and software testing principles.
HL7, FHIR, REST API, SQL, Programming Languages, Web development technologies
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2w
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Senior principal software Engineer
Boston or Maryland
RemoteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
10+ YOE10+ years C++ development, deep system and distributed design, security principles (OWASP, encryption, LDAP, SAML, OIDC), AWS/cloud, Python scripting, CI/CD (Jenkins, Git, Artifactory, Terraform), and strong communication and leadership skills.
C++, Python, Jenkins, Git, Artifactory, Terraform, AWS, JIRA
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Software Engineer
Westford, Massachusetts, United States
$82k-$156k/yr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
0+ YOEBachelor's degree in CS/CE or equivalent, 0-2 years experience, strong programming fundamentals, proficiency with Python, C, C++, Linux, Git, Docker/Kubernetes, and knowledge of OS, networking, AI and container principles.
Python, C, C++, Linux, Git, Docker, Kubernetes
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Senior Engineer, Invest Tech
Boston, Massachusetts, United States
$135k-$145k/yr HybridFull Time
Invesco
InvescoNYSE: IVZ: Provides diversified investment management services and financial products globally.
3+ YOEBachelor's degree; 3+ years software or data engineering experience; 3+ years Python and SQL; experience with cloud-native (AWS), distributed/event-driven systems, CI/CD, and data engineering principles; financial services experience preferred.
GitHub Copilot, Claude, ChatGPT, AWS Bedrock, Python, PostgreSQL, SQL Server, Snowflake, Kafka, AWS Lambda, Amazon S3, Amazon ECS, Amazon EKS, AWS Step Functions, Amazon Aurora, CI/CD, DevOps
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Associate Principle Scientist – Product Discovery and Development
Waltham, Massachusetts, United States
$148k-$221k/yr HybridFull Time
AstraZeneca
AstraZenecaLondon Stock Exchange: AZN: Global biopharmaceutical developing and manufacturing prescription medicines.
3+ YOEPhD or MS in pharmaceutical sciences or related field with relevant industry experience; expertise in formulation, pre-formulation, analytical characterization (HPLC/UPLC, LC/MS, DLS, DSC, TGA, DVS, PXRD), and drug delivery; strong communication and scientific leadership.
HPLC/UPLC, LC/MS, DLS, DSC, TGA, DVS, PXRD
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1w
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Metallurgical Process Engineer
Billerica or Boston
OnsiteFull Time
Fabri
Fabri: An early-stage investment casting startup building a fully integrated digital foundry to deliver precision metal castings with speed and cost-effectiveness.
5+ YOEDegree in materials/metallurgy/engineering or related, 5+ years developing solidification/thermal processes, strong first-principles solidification knowledge, SPC/DOE experience, root-cause analysis, hands-on foundry/process experience, US citizen or permanent resident required.
ProCAST, MAGMASOFT, Flow-3D
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2mo
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Electrical Engineer
Boston or Pascagoula
OnsiteFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
2+ YOEBachelor’s in Engineering; 2 years of relevant experience; ability to obtain DoD clearance; Proficiency in AutoCAD; knowledge of electrical engineering principles; MS Office; travel 2–4 times/year.
AutoCAD, SolidWorks, 3D modeling, CAD, Engineering drawings, Microsoft Office
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Sr. Manufacturing Engineer
Hudson, New Hampshire, United States
OnsiteFull Time
onsemi: Designs and manufactures semiconductor solutions for power and sensing.
5+ YOEB.S.M.E. with 5+ years related experience; 3D CAD/SolidWorks and PDM preferred; knowledge of mechanical design, vacuum principles, MRP systems, and spreadsheets for analysis.
3D CAD, SolidWorks, PDM, MRP, 3D printing
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Hardware Design Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
BS in Electrical Engineering or Physics, hands-on frequency/time-domain characterization, signal integrity measurement and debugging experience, understanding of electromagnetic principles.
ANSYS HFSS, Designer, CST Microwave Studio, HSPICE, MATLAB, ADS, TDR, VNA
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Hardware Design Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Designs and manufactures electrical connectors and interconnect systems.
2+ YOEBS in Electrical Engineering or Physics required; hands-on frequency/time-domain characterization, signal integrity measurement experience (TDR,VNA), and understanding of electromagnetic principles.
ANSYS HFSS, Designer, CST Microwave Studio, HSPICE, MATLAB, ADS, TDR, VNA, pattern generators, error detectors
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1mo
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Project Engineer, LNG
Hopkinton or Massachusetts or Connecticut or New Hampshire
$116k-$129k/yr OnsiteFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
5+ YOEB.S. in Mechanical Engineering or related, 5+ years engineering experience (gas experience preferred), knowledge of distribution construction, codes, welding principles, MS computer operations, ability to support construction and emergency restoration.
MS computer operations
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3mo
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Experienced Civil Engineer - Transportation
Worcester, Massachusetts, United States
$73k-$125k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
3+ YOEBachelor’s degree in Civil Engineering; 3-5 years post-education experience; Engineer in Training; knowledge of civil engineering principles and local standards; proficient with design software.
MicroStation, AutoCAD, Civil 3D, ArcGIS, InRoads, Geopak, GeoSlope, ANSYS, STADD, HEC-RAS, HEC-HMS
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2mo
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Systems Security Engineer (SSE)
Hudson or Phoenix or Huntsville or Cypress or West Lafayette or Andover or Chantilly or Gainesville
OnsiteFull Time
Mercury Systems
Mercury SystemsNASDAQ: MRCY: Provides secure processing solutions for aerospace and defense missions.
6+ YOEBS in STEM; 6+ years in systems engineering; SSE principles; DoD security; anti-tamper; DoD Secret clearance required.
Jama, Confluence, Jira, Bitbucket, Cameo Enterprise Architect, MBSE tools
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Electrical Engineer – Value Engineering
Gloucester, Massachusetts, United States
$87k-$119k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
7+ YOEBachelor's in Electrical Engineering, 7+ years electrical engineering experience, expertise in circuit design/PCB/power systems, proven value engineering and supplier collaboration, and application of DfX principles.
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