Transmission Line Principal Engineer Westinghouse Electric Co LLCTransmission Line Principal EngineerMA$55–$60 / hourThe ideal candidate must have a strong knowledge of transmission design, excellent communication and project management skills, a bias for action, proven analytical and problem-solving skills, and an ability to provide value engineering and ensure design quality. At WECTEC Staffing Services, a wholly-owned subsidiary of Westinghouse Electric Company LLC, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace.
Principal Engineer- Substation Westinghouse Electric Co LLCPrincipal Engineer- SubstationMARemote$55–$60 / hourYou will secure engineering consulting resources from a list of approved suppliers by developing a scope of work, securing bids, evaluating, and awarding work through the Integrated Supply Chain (ISC) Group. Generally responsible for representing E&Cs internal and external interests on assigned projects, including presentations/briefing on current progress, issues, and risk mitigation in meetings with various levels of management.
NewSenior Principal Product Manager - Remote CircleSenior Principal Product Manager - RemoteBoston, MARemote$230,000–$295,000 / yearEnable user adoption of newly incubated consumer products: As Circle enables Arc Hub, Wallets with partners, and Bridge UI, you’ll drive awareness and adoption of specific first party and partners’ consumer products by developing awareness and constructing viral loops for adoption. Shape the Developer Experience and Ecosystem Narrative: Collaborate with Developer Relations, Product Marketing, and BD to accelerate Arc Network and Circle’s developer stack as the trusted infrastructure for building in onchain finance.
Principal Quantitative Engineer, Investments Technology Liberty Mutual Holding Company IncPrincipal Quantitative Engineer, Investments TechnologyBoston, MAThe Quant Solutions team, part of Global Strategy & Capital Allocation, leads the General Account's asset allocation and portfolio construction process, delivering advanced analytics, scenario analysis, and forward-looking insights to guide long-term, annual, and tactical investment decisions within regulatory, rating agency, and portfolio constraints. You will partner closely with quantitative analysts and portfolio strategists to enhance their day-to-day use of AI, helping them build artifacts in a more technically sound manner and building robust systems and tools that scale those prototypes into production-ready applications.
Principal Front-Office Engineer, Investments Strategy & Capital Management Liberty Mutual Holding Company IncPrincipal Front-Office Engineer, Investments Strategy & Capital ManagementBoston, MAAs a Principal Front-Office Engineer, you will serve as the technical lead embedded within the Investment Strategy & Capital Management team, driving design and implementation of small-scale applications and proof of concepts that will improve investment analysis, develop AI-enabled workflows, and enhance reporting systems & processes. You will partner closely with analysts and investment teams to enhance their day-to-day use of AI, helping them build artifacts in a more technically sound manner and building robust systems and tools that scale those prototypes into production-ready applications.
Senior Principal Radar Receiver Exciter Hardware Lead RTXSenior Principal Radar Receiver Exciter Hardware LeadTewksbury, MassachusettsHands-on experience working in a laboratory environment using test equipment including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) logic analyzers and Performance Network Analyzer (PNAs). Active and existing security clearance required after day 1 At RTX, the world 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 Commercial Data Engineer MGM Resorts InternationalPrincipal Commercial Data EngineerMA$126,200–$168,300 / yearYou will partner closely with senior leadership, architects, data science, analytics, IT, and business stakeholders to design resilient, scalable, and trusted data systems that support real-time decisioning, advanced analytics, and AI/ML applications. THE DAY-TO-DAY: Define the multi-year architectural vision for MGM's Lakehouse platform, including compute, storage, orchestration, semantic layers, governance, and reliability.
Sr. Principal Linux Systems Administrator RTXSr. Principal Linux Systems AdministratorMassachusettsAbility 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. Principal Linux Systems Administrator, in Infrastructure Workplace Services, will lead and collaborate with a diverse team to support fast-paced, critical programs with classified information system capabilities.
Principal Software Engineer - AI New BalancePrincipal Software Engineer - AIBrighton, MA$120,000–$150,000 / yearA core focus of this role is designing and building enterprise-grade AI assistants and automations using RAG and agentic AI techniques -software agents that can plan, coordinate tools, interact with systems, and execute multi-step workflows with appropriate guardrails. This team is responsible for researching and delivering AI based solutions across the company to improve internal workflows, decision-making, and operational efficiency across a wide range of business functions, including operations, supply chain, finance, product, and corporate services.
Principal Systems Engineer Torch Technologies IncPrincipal Systems EngineerMA$140,000–$160,000 / yearCommand, Control, Communications, and Battle Management (C3BM) has been tasked with delivering an integrated Department of the Air Force (DAF) Battle Network providing resilient decision advantage and enabling the USAF, USSF, Joint, and Coalition Force to win against the pacing challenge. The MIT is responsible for translating operational requirements into technical solutions, developing integrated architectures, assessing risks, supporting acquisition execution strategies, and coordinating test and evaluation activities to ensure capabilities are delivered to operational users.
Principal FPGA Engineer Ayo SemiconductorPrincipal FPGA EngineerBoston, MassachusettsOur photonic processors will provide orders of magnitude improvement in speed and power efficiency in comparison to conventional digital compute platforms by taking advantage of the natural parallelism, speed and energy efficiency of light. Support bring-up and test of new printed circuit boards and prototypes by writing and testing interfaces to peripherals such as ADCs, DACs, memory, etc.
Principal Engineer, AI Security Lila Sciences IncPrincipal Engineer, AI SecurityCambridge, MA$171,000–$230,534 / yearMulti-Layer AI Security (Network, Endpoint, Data) - Integrate AI security into existing enterprise security layers: network visibility and control over AI service access, API traffic inspection, and zero trust enforcement; endpoint security for developer machines, research environments, browsers, and plugins; data layer controls ensuring proper handling of sensitive data when interacting with AI systems. While Lila builds AI-powered systems, this role is primarily focused on securing the use of third-party and internally deployed AI tools across the enterprise - ensuring sensitive data, intellectual property, and scientific workflows are protected as AI becomes deeply embedded in how work gets done.
Manufacturing Engineer II, Wave Solder RTX CorpManufacturing Engineer II, Wave SolderMAAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
Principal Specialist Sales Engineer, Zero Trust Branch - Majors, East Zscaler IncPrincipal Specialist Sales Engineer, Zero Trust Branch - Majors, EastBoston, MARemote$175,875–$251,250 / yearThe Speciality Sales team is a global group of professionals who are passionate about delighting our customers, nurturing trusted partnerships, and sharing their expertise to drive a secure, cloud-enabled digital future and further cement our position as the world leader in cloud security. Sales, Customer Success, Sales Enablement, Solution Architects, Business Development, Transformation, and Technology Partnerships all work together to demonstrate the power and agility of Zscaler cloud transformation to the world, and we are looking for your expertise to elevate our Exposure Management team.
Principal Mechanical Engineer Reframe SystemsPrincipal Mechanical EngineerAndover, MassachusettsOur cross-disciplinary team brings together architecture, robotics, design engineering, software, factory operations, and field delivery to change how housing gets delivered. Through our vertically integrated delivery model and highly automated microfactories, we deliver climate-resilient homes and buildings with greater speed and predictability than traditional construction.
Principal Customer Engineer F5 IncPrincipal Customer EngineerMA$146,400–$183,000 / yearF5 maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, geographic locations, and market conditions, as well as to reflect F5's differing products, industries, and lines of business. This is a hands-on, high-impact role for someone who thrives in early-stage environments, wears many hats, and wants to help shape the customer journey in a fast-growing AI security market.
Principal DevOps Engineer Evolv Technologies IncPrincipal DevOps EngineerWaltham, MA$137,000–$220,000 / yearIn accordance with state and local pay transparency laws-including those in California, Colorado, Massachusetts, New York, New Jersey, and others-we disclose salary ranges in all job postings and provide additional information upon request. In this role, you will partner closely with Platform, Security, Compliance, and Engineering teams to enable reliable, audit-ready cloud environments while balancing velocity, security, and operational excellence.
Sr Manufacturing Engineer - 3rd Shift RTX CorpSr Manufacturing Engineer - 3rd ShiftAndover, MAAt RTX, the world 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. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
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.
Principal Software Engineer, Data Beacon Biosignals IncPrincipal Software Engineer, DataBoston, MARemote$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.