Principal Radar Systems Engineer GCR Professional ServicesPrincipal Radar Systems EngineerWoburn, MassachusettsContractorClient is focused on delivering National Defense capabilities by driving mission-focused strategies to develop advanced technology systems enabling enduring products and solutions focused on achieving the customer vision. Applicants are expected to be self-motivated, detail oriented and have a demonstrated ability to effectively communicate with all levels of management and individual contributors on the program team through strong written and verbal communication skills.
Principal Digital Signal Processing Systems Engineer GCR Professional ServicesPrincipal Digital Signal Processing Systems EngineerCambridge, MassachusettsContractorAs Principal Signal Processing System Engineer you will work directly with customers and program managers to create innovative, multidisciplinary technical solutions, for a broad range of highly-complicated mission needs. You will have hands-on engagement with prototype development, which may include software or firmware coding, test equipment operation and programming, integration and validation, and field tests and customer demonstrations.
NewPrincipal Mechanical Engineer Micro Tech Staffing GroupPrincipal Mechanical EngineerBillerica, MADrive product development from concept through manufacturing, including: System architecture and conceptualization. Ability to innovate and apply new technologies or existing methods to solve complex design challenges.
NewSystem Safety Engineer Butler America AerospaceSystem Safety EngineerWoburn, MA$100–$112 / hourContractorAs a Principal System Safety Engineer, your responsibilities will include: Developing and implementing one or more MIL STD 882E compliant system safety programs Performing MIL STD 882 System Safety Program tasks and analyses, involving management (task series 100), analysis (task series 200), evaluation (task series 300), and verification (task series 400). Design of concise, testable safety requirements or providing safety analysis of existing requirements Work across all integrated product teams and lines to properly eliminate hazards or provide effective controls.
Lead Engineer (Breach & Attack Simulation) JobotLead Engineer (Breach & Attack Simulation)Boston, MARemote$250,000–$400,000 / yearIts broader platform helps organizations discover and understand the AI systems operating throughout their environments, protect AI applications at runtime, secure LLM/chatbot and agent workflows, simulate attacks against AI systems, monitor emerging coding-agent activity, and understand compliance with organizational and government security requirements. Rather than large teams executing against predefined tickets, engineering is moving toward small, highly empowered three-person pods that own problems from customer discovery through architecture, development, validation, and production delivery.
Sr Principal/Principal Software Engineer, App Lila Sciences IncSr Principal/Principal Software Engineer, AppCambridge, MA$204,000–$348,000 / yearFull-time U.S. employees receive a comprehensive benefits program including medical, dental, and vision coverage; employer-paid life and disability insurance; flexible time off with generous company wide holidays; paid parental leave; an educational assistance program; commuter benefits, including bike share memberships for office based employees; and a company subsidized lunch program. Communication & Collaboration: Acute listening skills, and a proven track record of working cross-functionally with scientists, data engineers, and product teams; able to explain complex ideas to diverse audiences.
Principal Software Engineer - Python Veeva SystemsPrincipal Software Engineer - PythonBoston, MARemote$150,000–$300,000 / yearUnlike a traditional corporation, whose only legal duty is to maximize shareholder value, PBCs consider their public benefit purpose and the interests of those materially affected by the corporation's conduct-including customers, employees, and the community-in addition to shareholders' interests. The team will be AI-first in two meaningful ways: using AI to drive engineering productivity and strong engineering discipline, and building a product that applies AI in genuinely innovative ways to problems that matter.
Développeur(se) logiciel principal(e), écosystème Android | Senior Software Engineer, Android Ecosystem Unity Software IncDéveloppeur(se) logiciel principal(e), écosystème Android | Senior Software Engineer, Android EcosystemMA$115,400–$173,000 / yearL'opportunité Nous recherchons un(e) développeur(se) logiciel principal(e), établi(e) à Montréal, au Canada, ou travaillant à distance dans le fuseau horaire de la côte Est des États-Unis, pour se joindre à une nouvelle équipe de développement chargée d'assurer la prise en charge de la plateforme Unity pour un écosystème Andr...
NewPrincipal Software Engineer-SRE Pilot Thomas LogisticsPrincipal Software Engineer-SREBoston, Massachusetts$131,000–$200,000 / yearToday, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team members to explore, learn, and grow – all while seeing their ideas come to life and celebrating the differences that make us who we are and the work we do possible. Onshape’ s Site Reliability Engineering team is looking for a Principal Software Engineer to play a critical role in ensuring the long‑term reliability, scalability, and operational excellence of our platform.
Principal / Senior Software Engineer Flagship Pioneering IncPrincipal / Senior Software EngineerCambridge, MA$108,000–$209,000 / yearFlagship has been recognized twice on FORTUNE's "Change the World" list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company's annual list of the World's Most Innovative Companies. Many of the companies Flagship has founded have addressed humanity's most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.
AI Development & Agent Ops — Senior Principal Software Security Engineer Dell, Inc.AI Development & Agent Ops — Senior Principal Software Security EngineerHopkinton, MAFull timeOur teams design and develop the hardware and software that connect infrastructure, accelerate computational workloads, integrate across the stack, protect data continuity, and deliver the platforms, applications, and diagnostics our customers rely on every day at enterprise scale. Build and maintain shared services, reusable frameworks, developer tooling, and cross-platform integrations that accelerate adoption of AI agents while ensuring consistency, security, and compliance across product and engineering teams.
Principal Software Engineer IconstaffPrincipal Software EngineerBoston, MassachusettsWe’re seeking a Senior Software Engineer to design and build scalable systems that support real-world mental health care delivery. Our engineering team builds technology that drives clinical excellence and operational efficiency.
Principal Software Engineer, Platform Engineering ModernaTXPrincipal Software Engineer, Platform EngineeringCambridge, MassachusettsThis is a senior individual contributor role that combines deep technical execution with cross-functional technical leadership across developers ("Builders"), Cybersecurity, Architecture, AI platform teams, and broader teams to provide scalable, secure, and user-focused capabilities that make the right path the easiest path for Moderna’s engineering teams. We are proud to have been recognized as a Science Magazine Top Biopharma Employer, a Fast Company Best Workplace for Innovators, and a Great Place to Work in the U.S. If you want to make a difference and join a team that is changing the future of medicine, we invite you to visit modernatx.com/careers to learn more about our current opportunities.
Principal Software Engineer Xometry IncPrincipal Software EngineerWaltham, MA$200,000–$225,000 / yearXometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity. Operational Excellence: You will own the reliability and security of the integration microservices, ensuring that "click-to-buy" functionality is bulletproof and that monitoring/alerting covers the unique lifecycle of enterprise PLM transactions.
Senior Principal Software Engineer/Architect UKG IncSenior Principal Software Engineer/ArchitectLowell, MA$207,400–$298,100 / yearM&A technical leadership: Lead technical diligence for acquisitions affecting Ready: evaluate architecture fit, identify integration risks (data, security, compliance), design migration/integration plans, and lead or advise post-close execution to minimize customer and delivery risk. Hands-on technical leadership: Own high-risk or high-impact technical work (POCs, performance optimizations, complex integrations), mentor architects and senior engineers, and lead architecture reviews and decision records.
Sr. Principal Software Engineer - Cardiac Ablation Solutions MedtronicSr. Principal Software Engineer - Cardiac Ablation SolutionsNewton, MassachusettsIf you are applying to perform work for Medtronic, Inc. (“Medtronic”) in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Sr. Principal Software Engineer - Cardiac Ablation Solutions Medtronic PlcSr. Principal Software Engineer - Cardiac Ablation SolutionsNewton, MAIf you are applying to perform work for Medtronic, Inc. ("Medtronic") in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Principal Software Engineer CVS Health CorpPrincipal Software EngineerMA$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.
NewPrincipal Software Engineer – Software Architecture Bose Corporation, U.S.APrincipal Software Engineer – Software ArchitectureFramingham, MassachusettsBose is evolving our software architecture to make differentiated audio technologies easier to integrate, portable across hardware and software environments, and scalable across customers, vehicle platforms, and product generations. As a Principal Software Engineer – Software Architecture , you will play a key technical leadership role in defining the future software architecture for Bose's Automotive Technology portfolio .
Principal Software Engineer DigitalOceanPrincipal Software EngineerBoston, MARemote$235,200–$294,000 / yearIAM and KMS are the bedrock of trust at DigitalOcean; our services sit in the critical path of every request, authorizing billions of transactions per second with single-digit millisecond latency, and securing the cryptographic material that protects every customer workload on the platform. Evolve Key Management: Design and deliver a robust, multi-tenant KMS, including envelope encryption, customer-managed key patterns, and HSM-backed key material, that gives customers deep, fine-grained control over their data security posture.