STS Senior Test Development Engineer P4 Butler America AerospaceSTS Senior Test Development Engineer P4Tewksbury, MA$80–$94 / hourDesired Skills (Nice to Have)Experience with project leadership, project cost and schedule management, i.e. EVMS, MS ProjectDoW (DoD) project development life cycle processes. The individual comes up to speed quickly, has an impact on our projects developing test stations/fixtures/automated test software, has familiarity with a process heavy work environment.
NewSTS Senior Test Development Engineer P2 Butler America AerospaceSTS Senior Test Development Engineer P2Billerica, MA$80–$95 / hourContractorDesired Skills (Nice to Have)Experience with project leadership, project cost and schedule management, i.e. EVMS, MS ProjectDoW (DoD) project development life cycle processes. The individual comes up to speed quickly, has an impact on our projects developing test stations/fixtures/automated test software, has familiarity with a process heavy work environment.
Technical Product Manager Electroswitch Switches & RelaysTechnical Product ManagerWeymouth, MA$160,000–$170,000 / yearFull timeElectroswitch is a leading provider of switching, monitoring, and control solutions for the power industry, serving the utility, industrial power, and defense markets worldwide. This role provides technical and commercial leadership across assigned product lines, ensuring technical excellence, competitive positioning, and long-term market success.
Business Development Manager Electroswitch Switches & RelaysBusiness Development ManagerWeymouth, MA$135,000–$150,000 / yearFull timeThis position combines strategic market analysis with hands-on sales execution, requiring a strong technical aptitude, customer-facing expertise, and the ability to build long-term relationships across diverse industries and geographies. This role focuses on evaluating underserved domestic and international market segments, developing new sales channels, and strengthening Electroswitch’s presence across key power generation and distribution markets.
Senior Mechanical Engineer SymboticSenior Mechanical EngineerBoxford, MAApplying next-gen technology, high-density storage and machine learning to solve today's complex distribution challenges, Symbotic enables companies to move goods with unmatched speed, agility, accuracy and efficiency. Cross-Functional Collaboration: Work closely with electrical, software, controls, manufacturing, and quality engineering teams to ensure seamless integration and product success. .
Lead Firmware Engineer GCR Professional ServicesLead Firmware EngineerWoburn, MassachusettsContractorOur clients System Development Division (SDD) 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.?.
Application Engineer GCR Professional ServicesApplication EngineerBillerica, Massachusetts$95,000–$130,000 / yearJob Summary: This role is responsible for translating customer technical requirements into product specifications, designing and validating new features, and developing custom mechanical components. It also includes maintaining technical documentation, providing on-site support, and collaborating cross-functionally to ensure successful product implementation.
Flight Software Engineer GCR Professional ServicesFlight Software EngineerCambridge, MassachusettsContractorClient is seeking a software engineer with an B.S. or a M.S. in Aerospace Engineering, Electrical Engineering, Systems Engineering, Computer Science or equivalent. Integration and test will include everything from unit testing, static and dynamic testing, integration and interface testing, debugging, and defect resolution.
NewPCB CAD Engineer II (Hybrid - Andover, MA) GCR Professional ServicesPCB CAD Engineer II (Hybrid - Andover, MA)Andover, MassachusettsContractorJob Description: Join a focused team of engineers bringing highly complex, dense, rugged and secure electronic packaging solutions to our nation’s warfighters and first responders. • Ability to work in a fast paced engineering services group supporting multiple time zones within the US and internationally.
CAD / PCB Engineer II GCR Professional ServicesCAD / PCB Engineer IIAndover, MassachusettsContractorJoin a focused team of engineers bringing highly complex, dense, rugged and secure electronic packaging solutions to our nation’s warfighters and first responders. • Ability to work in a fast-paced engineering services group supporting multiple time zones within the US and internationally.
Senior Mechanical Engineer Sparks GroupSenior Mechanical EngineerFranklin, MA$160,000–$200,000 / yearThe ideal candidate is comfortable working in a growing organization, enjoys solving complex engineering challenges, and has experience collaborating across engineering, manufacturing, and customer teams. Ability to obtain and maintain a U.S. Department of Defense security clearance; previous experience supporting regulated, aerospace, or defense programs is highly preferred.
NewPrincipal Microwave Engineer Vaco LLCPrincipal Microwave EngineerBurlington, MA$180,000–$230,000 / yearDetermining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
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.
RF Engineer Butler America AerospaceRF EngineerMaynard, MA$82–$97 / hourContractorExpertise with RF subsystems and hardware including antennas, transmitters, receivers, microwave components, low noise amplifiers, high power amplifiers, advanced electronic modules, amplifiers, mixers, switches, frequency generation circuits, and frequency conversion circuits is desired. -The engineering will collaborate with other engineering disciplines including hardware engineers, systems engineers, and circuit design engineers as well as technical and manufacturing support personnel.
NewElectrical Engineer Vaco LLCElectrical EngineerBurlington, MA$180,000–$230,000 / yearDetermining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.
General/Interdisciplinary Engineer, Senior - Secret DCS CorporationGeneral/Interdisciplinary Engineer, Senior - SecretBedford, MA$90,220–$170,000 / yearConduct systems architectural analyses to include system design/design feasibility and state-of-the-art assessment to Produce architectures, document planned and existing systems, determine deficiencies, develop alternatives, recommend solutions, and support development of a plan to implement the chosen solution per acquisition and sustainment system engineering processes. Analysis of Alternatives (AoA), Systems Engineering Plan (SEP)…), systems review and analysis with written reporting, briefing, and artifact development as required for all of the technical specialty areas defined in this section; and the planning and execution of all necessary technical reviews, assessments, and interchange meetings (e.g.
NewGeneral Interdisciplinary Engineer, Journeyman - Secret DCS CorporationGeneral Interdisciplinary Engineer, Journeyman - SecretBedford, MA$96,757–$155,000 / yearConduct systems architectural analyses to include system design/design feasibility and state-of-the-art assessment to Produce architectures, document planned and existing systems, determine deficiencies, develop alternatives, recommend solutions, and support development of a plan to implement the chosen solution per acquisition and sustainment system engineering processes. Analysis of Alternatives (AoA), Systems Engineering Plan (SEP)…), systems review and analysis with written reporting, briefing, and artifact development as required for all of the technical specialty areas defined in this section; and the planning and execution of all necessary technical reviews, assessments, and interchange meetings (e.g.
Sr. Lead AI Engineer KlaviyoSr. Lead AI EngineerBoston, MA$216,000–$324,000 / yearYou’ll own architecture and execution for complex, distributed backend systems; guide other engineers through design and implementation; and partner closely with product, machine learning, and data science to turn AI ideas into reliable, scalable production capabilities. You’ve built and shipped generative or agentic AI applications (e.g., LLM‑backed flows, tool‑using agents, retrieval‑augmented systems) and are comfortable with prompt design, few‑shot approaches, fine‑tuning, and evaluation.
NewField Engineer, DEWALT Anchors & Fasteners - Boston Stanley Black & DeckerField Engineer, DEWALT Anchors & Fasteners - BostonBOSTON, MARemote$62,200–$100,200 / yearJoin our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world's most beloved brands, including DEWALT, BLACK+DECKER, CRAFTSMAN, STANLEY, CUB CADET, and HUSTLER. We are committed to ensuring our state-of-the-art "smart factory" products and services provide greater quality to our customers & greater environmental and social value to our planet.
System Engineer, Senior - Secret DCS CorporationSystem Engineer, Senior - SecretBedford, MA$90,220–$170,000 / yearThe Air Force Program Execution Office for PEO Electronic Systems (AFPEO/ES) has the collective AFMC mission responsibility to manage and execute the modernization, development, testing, production, fielding, and sustainment of the PEO Electronic Systems portfolio, which includes over 130 programs for the U.S. Air Force (USAF) and foreign allies. In this Advisory and Assistance Services (A&AS) role, you will provide expert-level support to Department of Defense (DoD) programs by assisting government leadership with decision-making, planning, and execution throughout the acquisition lifecycle.
NewSystems Engineer, Junior - TS DCS CorporationSystems Engineer, Junior - TSBedford, MA$73,160–$115,000 / yearThe C2ISR Division provides worldwide life cycle support across the spectrum of the C2ISR capabilities based enterprise; including supply, distribution, materiel management, acquisition, system engineering and maintenance, financial planning and budgeting, security, flight test, and contracting functions. Experienced in requirements development, production and deployment, and operation and support, architectures development & implementation, modeling & simulation including but not limited to Model Based Systems Engineering principles, verification & validation, technical data package development and sustainment, and principles of configuration management.
Senior Lead AI Software Engineer KlaviyoSenior Lead AI Software EngineerBoston, MA$216,000–$324,000 / yearAs a Senior Lead Software Engineer on Amplify, you will: Independently own and drive high-impact objectives that span multiple Amplify teams and align with company priorities, defining the technical roadmap that ensures our internal applications, APIs, data and event pipelines, and AI-powered workflows can scale with Klaviyo and continue delivering measurable business outcomes. Independently lead the end-to-end lifecycle of large, multi-team initiatives with clear technical direction, architectural leadership, and active workstream curation, from discovery and design through implementation, rollout, and long-term ownership of complex programs that span internal customers across the company.
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.
Senior Software Engineer - Customer Agent KlaviyoSenior Software Engineer - Customer AgentBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. The Customer Agent team is building one of Klaviyo’s most ambitious and strategic product areas: an extensible AI platform that enables brands to deliver personalized, autonomous customer experiences across channels like chat, email, SMS, and beyond.
Senior Software Engineer - Profiles, Lists and Segments KlaviyoSenior Software Engineer - Profiles, Lists and SegmentsBoston, MA$148,000–$222,000 / yearPartnering closely with product managers, data scientists, and other platform teams, you’ll help define scope, translate complex data and UX problems into practical implementations, and build intuitive workflows that give customers confidence in their audiences. In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
Staff Machine Learning Engineer SamsaraStaff Machine Learning EngineerBoston, MARemoteYou believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
Senior Software Engineer - Growth KlaviyoSenior Software Engineer - GrowthBoston, MA$148,000–$222,000 / yearYou will define the architectural approach and technical strategy for your area of responsibility, anticipating scalability and reliability needs, including leveraging AI agents in our work and delivery, ensuring the solution is robust, scalable, and adheres to best practices for security, performance, and maintainability. In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
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 Pricing Data Engineer Waters CorporationPrincipal Pricing Data EngineerMilford, MAStrong business domain knowledge and experience working with enterprise systems such as SAP (e.g., supply chain data, orders, revenue recognition, pricing), Salesforce (commercial operations), and/or Service Excellence domains, with the ability to translate business processes into scalable data solutions. You will serve as a key problem solver for complex pricing data challenges and a trusted partner to both technical and business stakeholders, ensuring pricing data is accurate, accessible, and actionable across the enterprise.
Senior Data Engineer Waters CorporationSenior Data EngineerMilford, MAWe collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Our Transformation team is on a mission to improve business outcomes and employee experiences by driving step-change improvements in critical enterprise capabilities, including the processes, technology and analytics supporting these.
Chief Engineer - Aerospace Gables Search GroupChief Engineer - AerospaceBoston, MA$170,000–$210,000As the senior engineering leader, you will establish the technical vision, lead multidisciplinary engineering teams, and oversee every phase of the product lifecycle—from system architecture and detailed design through integration, verification, testing, and production. This confidential opportunity offers the chance to provide executive-level technical leadership while guiding the design, integration, testing, and delivery of highly engineered aerospace products supporting commercial and government customers.
NewJava Programmer with AWS (Junior Level)/AI Engineer SynergisticITJava Programmer with AWS (Junior Level)/AI EngineerProvidence, RI$82,000–$127,000 / yearFull timeSince 2010, Synergisticit has helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k. Many candidates know the theory behind models, but employers want to see whether you can clean data, explore datasets, choose the right model, evaluate results, explain tradeoffs, and communicate findings in a business-friendly way.
Railway Engineer - Remote Teoresi GroupRailway Engineer - RemoteBoston, MARemoteIntegration of onboard and wayside subsystems, including signaling components, sensors, communication interfaces, and control units, into system-level testing environments (e.g., HIL/SIL). At Teoresi, we specialize in supporting companies in creating projects using cutting-edge technologies such as self-driving cars and nanotechnology for the medical field.
System Integration Engineer - Remote Teoresi GroupSystem Integration Engineer - RemoteBoston, MARemoteAt Teoresi, we specialize in supporting companies in creating projects using cutting-edge technologies such as self-driving cars and nanotechnology for the medical field. Teoresi Inc is an international Group, with offices in Europe and United States, that acts as an engineering partner to customers’ product and process development.
.NET Full Stack Engineer EPAM Systems.NET Full Stack EngineerBoston, MAThis role is 100% on-site in Beverly, MA (5 days/week) with no remote or hybrid option, due to the client’s need for fast, co-located delivery. NET Full Stack Engineer with strong Angular, Azure, C#, and SQL expertise to join a rapid development initiative for an IoT platform.
Senior AI Engineer - Customer Agent KlaviyoSenior AI Engineer - Customer AgentBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. We have a big opportunity to build state-of-the-art AI and machine learning technologies at Klaviyo to power our products and develop AI agents that can automatically create and execute marketing or customer experiences, strategies, and campaigns for any business.
Senior Software Engineer II DoubleVerifySenior Software Engineer IIBoston, MA$107,000–$193,000 / yearRockerbox empowers marketing executives to confidently make data-driven decisions, helping brands such as Tula, Figs, and Burton with the strategic decision-making that drives growth. You’ll partner closely with product managers to define requirements, design intuitive data endpoints, and deliver seamless integrations between backend services and user interfaces.
Senior Staff Software Engineer, Autonomous Pilot Integration Shield AISenior Staff Software Engineer, Autonomous Pilot IntegrationBoston, MAHardware/Software Debugging — Diagnose and resolve integration issues across complex autonomy stacks, payload computers, and embedded systems in lab and field environments — including memory, CPU, and timing profiling under operationally-representative loads. In this role, youll write new autonomy code — such as mission behaviors, platform-specific control, multi-agent coordination, contingencies, and executive autonomy — and own it end-to-end from software-in-the-loop, to hardware-in-the-loop, to vehicle-in-the-loop, to live test exercise.
Senior Software Engineer, Agent Platform KlaviyoSenior Software Engineer, Agent PlatformBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. We have a big opportunity to build state-of-the-art AI and machine learning technologies at Klaviyo to power our products and develop AI agents that can automatically create and execute marketing or customer experiences, strategies, and campaigns for any business.
Principal Data Engineer (Service) Waters CorporationPrincipal Data Engineer (Service)Milford, MADesign and build scalable, reliable data platforms that integrate service delivery data (work orders, cases, products, geography), service team member data (roles, locations, workloads), service revenue and cost data, and proforma P&L information to enable strategic decision-making. You will bring deep technical expertise in service business data domains, operate with a high degree of independence, and contribute to the design and delivery of scalable data platforms that enable strategic decision-making for revenue growth, margin expansion, and operational excellence initiatives targeting $200M+ in EBIT improvement.
Principal Data Engineer Waters CorporationPrincipal Data EngineerMilford, MAStrong business domain knowledge and experience working with enterprise systems such as SAP (e.g., supply chain data, orders, revenue recognition, pricing), Salesforce (commercial or service processes), with the ability to translate business processes into scalable data solutions. The Principal Data Engineer designs, builds, and enhances robust data pipelines and platforms that support analytics, machine learning, and operational monitoring.
Software Engineer II, Autonomy Behaviors Shield AISoftware Engineer II, Autonomy BehaviorsBoston, MAThe team is responsible for developing autonomous behaviors within Shield AI’s industry-leading mission autonomy software stack and deploying them across a breadth of platforms, including the Anduril Fury, Northrup Grumman Talon, Shield AI V-Bat, and other first and third-party autonomous vehicles. The Autonomy Capabilities team at Shield AI has assembled a diverse team of experts in software, robotics, control systems, optimization, and data analysis to create software solutions that greatly evolve the capabilities of our customers.
NewSenior System Engineer Viken DetectionSenior System EngineerBurlington, MA$105,000–$155,000 / yearDefining/documenting baseline requirements which may include analysis of customer/systems requirements; CONOPS development; establishing and documenting derived and decomposed requirements for different subsystems and disciplines (EE, ME, Software). Working with development team in establishing systems design including use cases/user stories, preliminary and detailed design, system architecture, and internal and external interfaces.
Senior Process Engineer Michael Page USASenior Process EngineerRockland, MA$120,000–$145,000 / yearFull timeBachelor's degree in Chemical Engineering, Plastics Engineering, Materials Science, Mechanical Engineering, Manufacturing Engineering, or a related engineering discipline. This position combines hands-on engineering expertise, project management, and new product commercialisation responsibilities to improve safety, quality, productivity, and profitability.
Aerospace - Mechanical Engineer - Chelmsford, MA Michael Page USAAerospace - Mechanical Engineer - Chelmsford, MAChelmsford, MA$110,000–$120,000 / yearFull timeOur client is a well-established manufacturer of specialized electronic protection and filtering solutions serving a diverse customer base across commercial, industrial, and defense markets. Our client is seeking a Mechanical Design Engineer to support the design, development, testing, and documentation of specialized electronic hardware products.
Mechanical Engineer - Defense - Wilmington, MA Michael Page USAMechanical Engineer - Defense - Wilmington, MAWilmington, MA$100,000–$130,000 / yearFull timeWorking closely with engineering, production, quality, and product management teams, the successful candidate will contribute throughout the entire product lifecycle, from concept generation and prototyping to validation, manufacturing support, and project delivery. The Mechanical Design Engineer will be responsible for designing, developing, testing, and documenting specialised products while supporting both new product development and ongoing product improvements.
Senior Data Engineer (Celonis) Waters CorporationSenior Data Engineer (Celonis)Milford, MAWe collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Our Center for Process Excellence team is on a mission to improve business outcomes and employee experiences by driving step-change improvements in critical enterprise processes, and the technology and analytics supporting these.
Staff Engineer, Software - Autonomous Aircraft Integration Shield AIStaff Engineer, Software - Autonomous Aircraft IntegrationBoston, MAFlight Data Capture & Analysis — Manage data collection during missions and post-test analysis, working with autonomy engineers to refine behaviors and identify improvements. • Collaboration Across Teams — Work closely with autonomy, GNC, systems, and test teams to ensure mission-critical functionality is delivered on time and validated thoroughly.
Staff Software Engineer, Security & Privacy AbnormalStaff Software Engineer, Security & PrivacyBoston, MADistributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions. Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.
Director of Product Management, AI - Remote MotiveDirector of Product Management, AI - RemoteBoston, MARemote$187,000–$260,000 / yearYou will work alongside a star team from engineering, data science, computer vision, research & design, marketing, operations, legal, sales & customer success in a fast-paced, rapidly growing, technology environment to build intelligent experiences to shift behavior and drive ROI-positive impact for customers. Motive serves more than 120,000 customers – from Fortune 500 enterprises to small businesses – across a wide range of industries, including transportation and logistics, construction, energy, field service, manufacturing, agriculture, food and beverage, retail, and the public sector.