Principal Electrical & Compliance Engineer VEIRPrincipal Electrical & Compliance EngineerWoburn, Massachusetts$180,000–$200,000 / yearVEIR’s initial focus is AI data centers behind the meter, with solutions engineered for repeatable deployment through reference designs and integrated controls, designed to incorporate learnings as deployments scale. Own the electrical integration interface designs between VEIR system and datacenter distribution systems, from medium-voltage (MV) switchgear and transformers through low-voltage (LV) switchgear, busway, PDUs, power sidecars, and rack busbars.
Cybersecurity Principal Engineer (Palo Alto) - HYBRID ROLE Vertex PharmaceuticalsCybersecurity Principal Engineer (Palo Alto) - HYBRID ROLEBoston, MassachusettsRemoteThe Principal Cybersecurity Engineer will partner closely with cybersecurity, infrastructure, cloud, application, and enterprise technology teams to strengthen security architecture, improve platform effectiveness, enhance automation, and support secure modernization efforts. The Principal Cybersecurity Engineer, Core Security Infrastructure is a technical leader responsible for shaping and advancing Vertex’s core security capabilities across network, cloud, application, AI, SaaS, and hybrid environments.
Cybersecurity Principal Engineer (Palo Alto) - Hybrid Role Vertex Pharmaceuticals, IncCybersecurity Principal Engineer (Palo Alto) - Hybrid RoleBoston, MARemote$147,600–$221,400 / yearThe Principal Cybersecurity Engineer will partner closely with cybersecurity, infrastructure, cloud, application, and enterprise technology teams to strengthen security architecture, improve platform effectiveness, enhance automation, and support secure modernization efforts. The Principal Cybersecurity Engineer, Core Security Infrastructure is a technical leader responsible for shaping and advancing Vertex's core security capabilities across network, cloud, application, AI, SaaS, and hybrid environments.
NewPrincipal Embedded Systems Security Engineer (Onsite - Marlborough, MA) Secret clearance required RTXPrincipal Embedded Systems Security Engineer (Onsite - Marlborough, MA) Secret clearance requiredMassachusettsThe Product Cybersecurity Engineering DoD East Florida team is hiring a Principal Embedded System Security Engineer to support programs for our US military and various international customers, keeping the world safe from foreign threats. The ideal candidate will be proficient in requirement allocation and decomposition, analyzing system architectures, designing security features and principles, assessing security vulnerabilities (scanning), and formal cybersecurity test and evaluation (CT&E).
New2026 ADGE Sr Principal Mech Engineer - On Site RTX2026 ADGE Sr Principal Mech Engineer - On SiteTewksbury, MassachusettsActive and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience or an Advanced Degree in a related field and minimum 7 years’ experience.
Principal Engineer, VP State StreetPrincipal Engineer, VPMassachusettsDrive technical excellence by working independently to analyze, design, develop, test, and debug large and complex software enhancements and solutions within Charles River’s business and technical problem domains including modifications to core frameworks and other primary facilities critical to system operation. Develop, test, debug, and implement software programs, applications and projects using Java, C#, SQL, JavaScript, or other related software engineering languages as well as keeping abreast of emerging technologies impactful to CRD’s business.
Principal Software Engineer, Backend Centum SearchPrincipal Software Engineer, BackendBoston, MassachusettsAs a senior technical leader, you will help define architecture, establish engineering best practices, and mentor engineers while remaining deeply hands-on in the codebase. Centum Search is representing a healthcare startup focused on building technology that improves how care is delivered, accessed, and managed.
Principal Software C/C++ Engineer RTXPrincipal Software C/C++ EngineerConcord, MassachusettsAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Assist and participate in the requirements, design, development and testing of real-time embedded software, application software, and tools, to include development of new work products or enhancement of existing applications and systems.
Principal Software Systems Quality Engineer onsite Marlborough, MA RTXPrincipal Software Systems Quality Engineer onsite Marlborough, MAMassachusettsLADS programs include Global Patriot, Ghost-Eye / Lower Tier Air & Missile Defense, National Advanced Surface-to-Air Missile, Stinger, Next Generation Short-Range Interceptor, TOW, Javelin, Excalibur, and counter unmanned aerial systems. Active and existing security clearance required after day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems.
Principal Software Engineer, Data Beacon BiosignalsPrincipal Software Engineer, DataBoston, MassachusettsRemote$190,000–$210,000 / yearThis role emphasizes the architecture and design of solutions spanning the Beacon Platform, with a focus on scalable data models to serve expanding business needs, event-driven pipelines, and engineering best practices. As such, we're always seeking new contributors whose work demonstrates an avid curiosity, a bias towards simplicity, an eye for composability, a self-service mindset, and - most of all - a deep empathy towards colleagues, stakeholders, users, and patients.
Principal Software Engineer, AI Observability & Evals Platform LangChainPrincipal Software Engineer, AI Observability & Evals PlatformCambridge, Massachusetts$230,000–$270,000 / yearToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
Senior Software Engineer, Autonomous Lab (Scheduling & Optimization) Ginkgo BioworksSenior Software Engineer, Autonomous Lab (Scheduling & Optimization)Boston, MA$134,300–$189,900 / yearThe Orchestrator team designs and implements the interfaces for defining and launching work on robotic automation cells (RACs), and manages the scheduling and orchestration of protocol runs across module systems. The ideal candidate is an experienced software engineer who has built and shipped production scheduling systems, with a working command of operations research, optimization, and constraint programming.
Senior Software Engineer (Backend) Recruiting From ScratchSenior Software Engineer (Backend)Boston, MassachusettsThe base salary for this role ranges from $150K to $200K, with equity options between $200K and $400K vested over four years, providing a competitive compensation package that rewards your contributions to the company's success. This company is at the forefront of integrating advanced technology into healthcare, creating impactful software that drives efficiency and improves outcomes in dental practices.
Senior Software Engineer Recruiting From ScratchSenior Software EngineerBoston, MassachusettsCollaborate with cross-functional teams to define, design, and ship new features that improve user experience. Conduct code reviews and provide mentorship to junior engineers, fostering a culture of continuous improvement.
Quality Engineer XiPhias BuyerQuality EngineerBillerica, MassachusettsOperating in a collaborative manufacturing environment, the Quality Engineer works closely with internal production teams and external customers to ensure products and processes meet predetermined technical and regulatory specifications. Operating out of a massive 300,000-square-foot facility, we provide a large-scale environment for expert manufacturing services, making advanced aluminum die cast parts for the aerospace, medical device, robotics, and defense industries.
Collateral Management Senior Software Engineer, VP State StreetCollateral Management Senior Software Engineer, VPQuincy, MassachusettsDemonstrated experience in application/web servers including IBM Web Sphere, Web Logic Application Servers, JBoss or Tomcat Web Servers; Proficiency in n-tier application design and development using Java, J2EE, JSP, Servlets, Struts 2.0, Spring and Oracle; Demonstrated experience in Spring Boot Actuator to monitor and manage an application in a production environment; Proven proficiency in JavaScript, including DOM manipulation and the JavaScript object model; Proven experience with Kafka, Scala and Big Data technologies such as Hadoop, Hive, Spark; Working knowledge of scheduling tools either Autosys, CRON or Quartz Job Scheduler; Familiarity with SOAP and RESTful APIs; Proven in-depth knowledge of object-oriented design methodology and design patterns; Solid understanding of database concepts; Education & Preferred Qualifications . Developing reactive user interfaces using ReactJS, translating designs/wireframes into high quality code and building reusable components and front-end libraries for future use; Building and maintaining backend, middle-tier, and web user experiences using Java, J2EE, SQL, PL/SQL, HTML5, CSS3, and other web technologies; Building and maintaining applications with micro services -based architecture; Setting up near real-time big data pipelines between multiple systems using Spark, Hive and Impala.
Principal System Engineer Full SpectrumPrincipal System EngineerWestborough, MassachusettsThe Opportunity: Strategic Leadership & Client Impact: In this high-visibility role, you serve as the primary technical interface for our clients, driving Software Systems Engineering for mission-critical medical device projects: Lead & Delegate: Manage project execution by aligning client needs with team tasks and deliverables. Safety Risk Analysis: Lead planning for complex software-driven medical devices, perform top-down hazard and harm assessment working with Full Spectrum clients’ clinical tam or medical director, performing bottom-up failure analysis (FMEA) and identifying potential risk to safety.
Principal Systems Engineer - Patriot Communications RTXPrincipal Systems Engineer - Patriot CommunicationsMassachusettsThe Systems Engineering and Test Capabilities (SE&TC) Directorate is the central focus for Mission Systems Integration activities within Raytheon, responsible for defining customer needs, functional and product architecture, requirements definition and decomposition, Model‑Based Systems Engineering (MBSE), system performance, and System Security Engineering (SSE). The Land Warfare and Missile Defense Systems (LWMDS) organization is seeking a Principal Systems Engineer with experience in Internet Protocol (IP) networks and software engineering using Python to drive the design and development of world‑class air and missile defense communication systems.
Network Engineer, Principal Specialist, Onsite, Marlborough, MA RTXNetwork Engineer, Principal Specialist, Onsite, Marlborough, MAMassachusettsJoin this high impact team as a Network Engineer, Principal Specialist, (P3) to ensure the smooth operation of classified network infrastructure at our Raytheon locations. Qualifications You Must Have : Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years' experience.
Senior Android Software Engineer, Verily Me VerilySenior Android Software Engineer, Verily MeBoston, MassachusettsUniquely positioned at the intersection of technology, data science, and healthcare, Verily transforms multimodal health data into insights, models, and actions that make healthcare more personalized, predictive, and precise. Design, implement, launch and maintain critical user-facing features in an Android app that is core to Verily’s business, with opportunities for end-to-end and cross-platform feature development.