Principal Embedded Software Engineer Johnson Controls International PlcPrincipal Embedded Software EngineerWestford, MA$117,000–$196,000 / yearWe are seeking a highly experienced Principal Embedded Software Engineer to provide technical leadership in the design, development, and delivery of embedded software solutions for complex products and systems. The ideal candidate combines deep hands-on embedded software expertise with strong leadership, mentoring, and cross-functional collaboration skills.
Senior Principal RF Design Engineer RTX CorpSenior Principal RF Design EngineerMarlborough, MAAt 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. 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 Electrical Engineer - Proposal Lead RTX CorpPrincipal Electrical Engineer - Proposal LeadMarlborough, MAExperience adjusting and aligning bids to meet the requirements of various contract types, such as Firm Fixed Price (FFP) and Cost-Plus Fixed Fee (CPFF). 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 RF Design Engineer RTX CorpPrincipal RF Design EngineerTewksbury, MAAt 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. 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 Electronics Engineer (onsite) Johnson Controls International PlcPrincipal Electronics Engineer (onsite)Westford, MA$130,000–$150,000 / yearJohnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. Work may include analog design, embedded system designs, small signal and instrumentation circuitry, switch mode power supplies, front panel user interfaces, audio amplifiers, peer-to-peer networking, linear power supplies, sensors and detectors, and fiber optics.
Principal Systems Engineer - Naval Radars RTX CorpPrincipal Systems Engineer - Naval RadarsTewksbury, MAWhether in hardware, software, networking, or some combination of all three, you'll be stretched to learn about how our systems work and identify the sources of new and unexpected issues through lots of troubleshooting and data analysis. In this Systems Engineer role, you will support the following types of activities: Drive Performance: Lead a team to collaborate across functions to drive performance improvements and resolve system issues.
Legal Practice Technology Principal of Discovery Services (All US Offices) Kirkland & Ellis LLPLegal Practice Technology Principal of Discovery Services (All US Offices)Boston, MA$203,000–$253,000 / yearSignificant client interactions and strong familiarity with core discovery workflows, including data preservation and collection, eDiscovery platforms (Relativity, Reveal), analytics and TAR tools (BrainSpace, RevealAI), and key eDiscovery rules (ESI Orders, FRCP, data privacy and cross-border requirements). The team is dedicated to defining and executing workflows for the thoughtful analysis and production of client documents and data across litigations, investigations, regulatory responses, due diligence reviews, and other complex legal matters.
Principal Antenna and Microwave Engineer RTX CorpPrincipal Antenna and Microwave EngineerTewksbury, MAWe have an opportunity for an Principal Antenna and Microwave Engineer who is seeking to utilize their strong academic background and experience in RF/Microwave system theory and design, including architectures, subsystems, components and Active Electronically Steered Antennas (AESAs). Strong hands on experience with microwave testing techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs).
Principal Data Scientist, GTM Data Science SimpliSafe IncPrincipal Data Scientist, GTM Data ScienceBoston, MA$182,000–$242,600 / yearAs Principal Data Scientist, GTM Data Science, you will report to the Senior Director of Data Science and serve as a senior technical leader for growth, marketing, customer lifecycle, and personalization. We carefully tailor individual compensation packages, including base pay, taking into consideration employees' job-related skills, experience, qualifications, work location, and other relevant business factors.
Principal - Cloud Engagement Lead, Microsoft - Financial Services EPAM Systems IncPrincipal - Cloud Engagement Lead, Microsoft - Financial ServicesBoston, MABuild deep, durable relationships with Microsoft account teams, industry teams, and M1/M2 leadership; conduct joint account planning, schedule recurring cadences, meet face-to-face, and lead joint customer events (including ABM-style executive sessions for top accounts). Act as pursuit leader and player-coach on strategic deals, coordinating solution architects, practice leaders, delivery leadership, and pricing and commercial teams to deliver clear value articulation, competitive differentiation, and strong executive messaging.
Senior Principal PS Consultant Genesys Cloud Services IncSenior Principal PS Consultantmassachusetts, MA$135,600–$238,600 / yearMinimum Requirements: Bachelor's degree in a Telecommunication/Computer Engineering, Computer Science, Computer Technology, related technical discipline, or equivalent professional technical experience. Our platform connects people, systems, data and AI to help organizations deliver more personalized service, improve operational efficiency and build stronger customer relationships.
Principal Electrical Engineer - Radar Computing and Network System Design RTX CorpPrincipal Electrical Engineer - Radar Computing and Network System DesignMarlborough, MAThe Principal Electrical Engineer will work with Product Leads and other team members on a variety of tasks related to the design and development of systems using Commercial-Off-The-Shelf (COTS) computing and networking products. Minimum of 8 years of professional experience in the following areas (an advanced degree in a related field may be substituted for two additional years of experience): Experience with emerging and legacy hardware and software, including Unix and Linux operating systems.
Principal System Administrator (ONSITE) RTX CorpPrincipal System Administrator (ONSITE)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.
Sr Principal Antenna Microwave Engineer RTX CorpSr Principal Antenna Microwave EngineerTewksbury, MAWe have an opportunity for a Senior Principal Electrical Engineer who is seeking to utilize their strong academic background and experience in RF/Microwave system theory and design, including architectures, subsystems, components and Active Electronically Steered Antennas (AESAs). Strong hands on experience with microwave testing techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs).
Principal Hardware Integration, Analysis & Test Engineer RTX CorpPrincipal Hardware Integration, Analysis & Test EngineerMarlborough, MABuild data analysis tools that give engineers and technicians answers faster - and eventually, building Artificial Intelligence/Machine Learning tools do some of the heavy lifting. 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 Electrical Engineer - FPGA Verification RTX CorpPrincipal Electrical Engineer - FPGA VerificationMarlborough, 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.
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 AI/ML Researcher Whoop IncPrincipal AI/ML ResearcherBoston, MA$270,000–$300,000 / yearDeep expertise in modern deep learning (transformers, state space models), multimodal training, self-supervised and representation learning, RL-based post-training (PPO/DPO/GRPO), and large-scale distributed training (data, model, and context parallelism). At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company's long-term growth and success.
Principal Scientist I or II, PK Sciences Therapeutic Areas (Multiple Listings) Novartis AGPrincipal Scientist I or II, PK Sciences Therapeutic Areas (Multiple Listings)Cambridge, MA$108,500–$201,500 / yearA minimum of 0-2 years of experience in drug discovery and/or development in a relevant environment (academia, CRO, biotech or Pharma).• 2+ years of experience preferably in a lead role overseeing ADME/DMPK project strategy, either in discovery or clinical development to be considered for Principal Scientist II• Extensive and in-depth knowledge of pharmacokinetics including, drug metabolism and PK/PD evaluation, experience in working in project teams (preferably global) as well as sound awareness of recent developments in drug development and regulatory sciences.• • Works in close collaboration with clinicians and clinical development colleagues to integrate PKS insights into study design, data interpretation, and project decision‑making• Use of Artificial intelligence (AI) / Machine Learning (ML) approaches to enable model guided molecular design, preclinical and clinical data automation, authoring regulatory documents, and the use of predictive modelsThis role reports to Therapeutic Area group in PK Sciences within Translational Medicine (TM) in Biomedical Research.
C5I Principal Platform Engineer RTX CorpC5I Principal Platform EngineerTewksbury, MAThis role requires deep DevSecOps expertise, technical leadership and the ability to influence architecture and engineering strategy across multiple teams. As a senior leader on our team, you will shape platform architecture, drive modernization and ensure delivery of robust capabilities that support real‑time mission execution across programs.