Principal Systems Engineer - Onsite Cambridge MA RTX CorpPrincipal Systems Engineer - Onsite Cambridge MACambridge, MAWhat You Will Do: In this Systems Engineer role, you will perform and/or support the following activities: Core Systems Engineering: Develop requirements and algorithms, concepts of operations, system trades, and system interfaces. Model Based Systems Engineering (MBSE): Develop and maintain detailed SysML descriptive system models, linking and synchronization of requirements, and generate design documentation / views.
Principal Specialist, Program Cost Controls (Dev & Test) RTX CorpPrincipal Specialist, Program Cost Controls (Dev & Test)Woburn, MAWe have an excellent opportunity to join the Air & Space Defense Systems (ASDS) business area of the Global Sensors & Mission Systems (GSMS) Mission Area as a Principal Specialist (P3) within the Development, Test & Growth Business Area as the lead of the RSTAC and National Team programs. This position requires proactive leadership and interaction with Program Area Directors, Program Managers, and customer representatives from finance and contracts teams to ensure alignment regarding strategy, operating and financial objectives.
Principal Builder - AI Infrastructure Hi MarleyPrincipal Builder - AI InfrastructureBoston, MA$152,000–$283,000 / yearThis is the engineer who builds the plumbing of our internal agentic workforce: the AWS hosting layer, the Cognito-backed identity model, the Accountability Registry that says who built what, the Agent Registry that governs who can act, and the Tool Catalog that lets our teams compose new capabilities safely. Architect the registries and catalogs : Design and build the Accountability Registry (people, ownership, roles), the Agent Registry (identity, permissions, data scope, audit trail), and the Tool & App Catalog (discover, register, approve).
Principal Electrical Engineer - FPGA Design RTX CorpPrincipal Electrical Engineer - FPGA DesignTewksbury, MAAs 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 - Engineering Services & Support (Onsite) RTX CorpPrincipal Specialist - Engineering Services & Support (Onsite)Marlborough, MATake advantage of this opportunity not only to master new tools and proven design, development, integration, and test processes; proven technical training material development and instruction processes; but also, to innovate, as we explore what is possible for our valued customer community and user base. Please ensure the role type (defined below) is appropriate for your needs before applying to this role: Onsite: Employees who are working in Onsite roles will work primarily onsite.
Principal Engineer, Membrane Engineering Entegris IncPrincipal Engineer, Membrane EngineeringBillerica, MA$140,000–$185,000 / yearD. in Chemical Engineering, Materials Science, Polymer Science, Chemistry, or a related field, with at least 5 years of research experience and a demonstrated track record of technical innovation, scientific leadership, and development of advanced membrane technologies from concept through commercialization. This role involves hands‑on formulation, casting, and characterization of immersion‑cast membranes, development of novel membrane fabrication processes as well as collaboration with cross‑functional teams in R&D, manufacturing, marketing, and quality.
NewProgram Cost Controls Principal Specialist *HYBRID* RTX CorpProgram Cost Controls Principal Specialist *HYBRID*Tewksbury, MAThe selected candidate will be responsible for financial excellence across all program finance and business-related activities including cost and schedule execution and reporting, monthly EV execution & reporting, Latest Revised Estimates (LREs), Estimates at Complete (EACs), financial planning and analysis, proposal support, cash management, contract startup, execution, and closeout. The Global Patriot Sub Strategic Business Unit within the Land & Air Defense Systems (LADS) Strategic Business Unit of Raytheon is seeking a highly motivated and self-driven Finance professional to assume the role of Finance Principal Specialist for Domestic Patriot Production programs.
Principal Full Stack Engineer, TypeScript/Python Nordic Semiconductor ASAPrincipal Full Stack Engineer, TypeScript/PythonBoston, MA$160–$210 / hourNordic Semiconductor is looking for a Principal Full Stack Engineer to join our Product Engineering team in Boston and step into a key technical leadership role for the "nRF Cloud powered by Memfault" platform. Our platform is at the center of that shift for the IoT industry, bringing software industry best practices to firmware engineers and giving product teams real visibility into how their devices perform in the real world.
Principal Linux System Administrator (Will Sponsor Clearance) RTX CorpPrincipal Linux System Administrator (Will Sponsor Clearance)Marlborough, MAWhat You Will Do: Serve as a Principal Systems Administrator supporting Windows and Linux enterprise environments, responsible for the design, implementation, maintenance, patching, and troubleshooting of Windows Server, Windows 11, RHEL 7/8/9, and virtualized infrastructure within a large-scale, mission-critical environment operating 24x7x365. Experience with Windows and Linux patching, vulnerability remediation, and compliance activities, including STIG/EVAL STIG implementation, SCAP/ACAS support, log collection, and close coordination with Cyber Security teams to maintain continuous compliance with DoD and regulatory requirements.
Principal Quality Engineer Hiscox LtdPrincipal Quality EngineerBoston, MA$115,000–$135,000 / yearThis position is responsible for establishing an automation-centric approach, designing sophisticated test frameworks, and ensuring quality is integrated throughout the software development lifecycle by utilizing artificial intelligence for efficient test generation, anomaly detection, and predictive analytics. Key Responsibility Areas: Quality Engineering Leadership & Execution: Lead the design, implementation, and evolution of automation frameworks using Playwright, and Cucumber.
NewPrincipal Digital Factory Engineer IV RTX CorpPrincipal Digital Factory Engineer IVAndover, MAThe Connected Factory Intelligence (CFI) organization delivers enterprise digital factory capabilities through modern IIoT infrastructure, unified data architectures, and operator‑centric applications that improve productivity, quality, and factory performance. This senior engineering role contributes to scalable software development, reliable IIoT connectivity, and integrated data systems that enable real-time factory insights and continuous operational improvement.
Sr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance required RTX CorpSr. Principal Embedded System Security Engineer (Onsite - Marlborough, MA or Largo, FL) Secret Clearance requiredMarlborough, MAThe ideal candidate will be skilled 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). What You Will Do: Work with customers and internal stakeholders to define cybersecurity requirement decomposition, allocation, implementation, and verification utilizing system engineering practices; providing guidance and direction related to security technologies.
Principal Network Engineer MimecastPrincipal Network EngineerLexington, MassachusettsYou’ll work hands-on across Cisco, Juniper, and Aruba platforms, partnering closely with IT, Security, and Workspace teams to resolve complex issues, drive strategic upgrades, and use automation to raise operational efficiency worldwide. Demonstrated mastery of enterprise network engineering, with a track record independently designing, implementing, and supporting large-scale, multi-site network infrastructure with minimal oversight.
Operations/Supply Chain (OSC) - Principal Financial Analyst - P3 - (Hybrid) RTX CorpOperations/Supply Chain (OSC) - Principal Financial Analyst - P3 - (Hybrid)Tewksbury, MALeaders will be responsible for understanding the drivers within their respective program areas and determine trends or drifts within the organization; ultimately consolidating information, identifying critical metrics and recommending / executing solutions to challenges as appropriate. The Operations/Supply Chain (OSC) Finance Organization has an immediate need for a P3 Principal Financial Analyst supporting the Naval Shipboard Mission Area, specifically the SM3/ESSM portfolio.
Data Backups System Administrator, Principal Specialist, Woburn, MA Onsite RTX CorpData Backups System Administrator, Principal Specialist, Woburn, MA OnsiteWoburn, MAThe Raytheon Digital Technology Storage & Data Protection team requires a seasoned administrator (P3 level) who will be responsible for backing up classified data from NetApp systems and client machines to tape for off‑site archival. The Storage & Data Protection Backup Administrator plays a key operational role in maintaining reliable tape‑based archival processes, enabling secure long‑term retention of critical program information.
Principal, Transaction Advisory Services Baker Tilly Virchow KrauseLLPPrincipal, Transaction Advisory ServicesTewksbury, MABaker Tilly Advisory Group, LP and Baker Tilly US, LLP, trading as Baker Tilly, are independent members of Baker Tilly International, a worldwide network of independent accounting and business advisory firms in 141 territories, with 43,000 professionals and a combined worldwide revenue of $5.2 billion. Ability to lead and supervise others, provide exceptional client service, demonstrate commitment to continuous learning in order to stay current regarding applicable strategies, see the "big picture" as well as the details, display appropriate ethical knowledge and commitment, and exhibit a sense of urgency and commitment to quality and the timely completion of projects.
Principal UX Researcher Athenahealth inc.Principal UX ResearcherBoston, MA$153,000–$259,000 / yearThat's one reason we prioritize diversity, equity, and inclusion in every aspect of our business, from attracting and sustaining a diverse workforce to maintaining an inclusive environment for athenistas, our partners, customers and the communities where we work and serve. Position Summary: We are looking for a Principal UX Researcher to join athenahealth's Mobile UX team, someone who can inform our forward-facing strategy through "left-diamond" discovery work and occasionally extend feature teams' capacity for early-stage concept testing.
NewSystems Engineering Support Principal Odyssey Systems Consulting Group, Ltd.Systems Engineering Support PrincipalHanscom AFB, MassachusettsFull timePosition Summary: Odyssey Systems has an exciting opportunity for a Systems Engineering Support Principal to provide senior-level systems engineering and enterprise IT network support within the Air Force Life Cycle Management Center’s Special Programs Division (AFLCMC/HNJ), Communications and Networks Directorate located at Hanscom Air Force Base, Bedford, MA. The Division supports Air Force Special Access Programs (SAPs), other Department of Defense (DoD) units, and national-level agencies that require rapid fielding of advanced capabilities to counter emerging cyber and operational threats to U.S. national security.
Principal Program Manager Axient LLCPrincipal Program ManagerBedford, MA$150,000–$166,000 / yearProvide expert Program Management inputs to Request for Proposal (RFPs) including systems specs, Electronic Warfare Systems (SRDs), Statement of Work (SOWs), and Contract Data Requirements List (CDRLs), and other RFP products. Knowledge of support activities that assist the program manager in assessing what programs are within schedule and cost baselines, be able to recommend viable solutions to problems, and the pursuit of alternative courses of action.
Principal Specialist, Materials Planning SIOP RTX CorpPrincipal Specialist, Materials Planning SIOPAndover, MAIt will interface with Demand Planning, Production Control, Factory Operations, Program Operations, Engineering, Supply Chain, and Finance to help ensure resources are efficiently utilized based on a low volume, high mix demand profile for programs with priorities and unique material challenges. The successful candidate has working knowledge of Material Requirements Planning (MRP) systems in a manufacturing environment and utilizes data-driven decision making to enable effective planning and execution, as well as leadership experience.