Senior Principal Systems Engineer RTXSenior Principal Systems EngineerConcord, MassachusettsIn this Senior Principal Systems Engineer role, you will support the following types of activities: Core Systems Engineering: Develop requirements and algorithms, concepts of operations, and define system interfaces. Support Missions: Travel as needed (up to 20%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.
Sr Principal SW Development Engineer UKGSr Principal SW Development EngineerBoston, MA$163,900–$235,550 / yearOperating at a principal level, this role goes well beyond traditional requirements gathering—serving as a trusted advisor, systems strategist, and transformation leader across large, multi-phase programs involving D365 Finance & Operations, and integrated enterprise platforms. This role partners closely with Finance and Go To Market teams and IT leadership to translate complex business objectives into scalable, compliant, and future-ready system solutions.
NewSr. Product Security Engineer MedtronicSr. Product Security EngineerNewton, MinnesotaIf you are applying to perform work for Medtronic, Inc. (“Medtronic”) in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Principal Software Engineer State StreetPrincipal Software EngineerMassachusettsMentor junior staff; Provide informed guidance and direction in code reviews; write unit and automation tests to ensure a high-quality end product; Actively participate in the agile software development process by adhering to the CRD Scrum methodology, including attending all daily standups, sprint planning, backlog grooming, and retrospectives; Assume Scrum master responsibilities when required; Provide thought leadership in the design of product architecture within the team’s scope of responsibility; work under minimal supervision to build out the next generation of our software test automation infrastructure as part of our Quality Assurance Infrastructure team to test, and debug medium to large software enhancements and solutions within Charles River’s business and technical problem domains; responsible for designing, developing, delivering and supporting the software infrastructure that enables automated product validation to Charles River’s customer and to the rest of the development community at Charles River Development; assist in driving mature test automation capabilities, such as BDD/ATDD capabilities that allow teams to shift testing and test automation as far left as possible; improve the Testing/automation architecture by continuously reducing the testing cycle time enabling the CI\CD models by working closely with various teams; assist in improving development test methodologies, and contribute to related test methodology frameworks; conduct manual tests to ensure a high-quality end product; contribute to written design and API documentation, and participate in customer testing process; and Directly manage team members as needed. Total required experience above must include the following (can be gained concurrently): 8 years of experience working with Core and Enterprise Java technologies with hands on abilities in designing and writing Java code using complex data structures, multi-threading, efficient memory management and highly performant algorithms; 10 years of experience developing extensible software modules using object oriented development and SOLID principles; 5 years of experience developing solutions in highly transactional environments involving database concurrency; 2 years of technical leadership experience in guiding, coaching and mentoring team members; 5 years of experience with various automation tools; and 2 years of experience in Micro services, Web services testing using SOAP and REST based service & XML, JSON.
Senior Principal System Administrator, Storage & Data Protection RTXSenior Principal System Administrator, Storage & Data ProtectionWoburn, MassachusettsCommand-line proficiency, software upgrades, log analysis, high-availability configurations, inter-cluster connectivity, disk-to-disk backups, disk-to-tape backups, Snap technology, and health, capacity, and performance monitoring. As a Senior Principal Storage and Data Protection System Administrator, this role will require a seasoned professional contributor who can handle difficult and complex issues within the mission areas of the Woburn, MA facilities related to Storage and Data Protection systems in classified environments.
Senior Principal System Security Engineer (Program (Anti-Tamper/Program Protection) P5 (Onsite) RTXSenior Principal System Security Engineer (Program (Anti-Tamper/Program Protection) P5 (Onsite)Tewksbury, MassachusettsRaytheon is seeking a Senior Principal Systems Security Engineer (Anti-Tamper/Program Protection) – P5 to join our elite Systems Security Engineering (SSE) team for the Systems Directorate in developing solutions to protect the Warfighter’s technology advantage. Systems Security Engineering creates holistic security solutions leveraging Cybersecurity, Software Assurance, and Supply Chain Risk Management to support Program Protection on embedded weapons systems.
Senior Principal Mechanical Engineer Advanced Technologies Product Lead RTXSenior Principal Mechanical Engineer Advanced Technologies Product LeadTewksbury, MassachusettsActive and existing security clearance required on 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.
Senior Principal EO/IR Systems Engineer RTXSenior Principal EO/IR Systems EngineerMassachusettsExperience with Systems Modeling Language (SysML), Model-Based Systems Engineering (MBSE), and EO/IR sensor modeling and simulation using tools such as Matlab and Cameo Systems Modeler. You will be responsible for developing technical solutions to a wide range of complex problems related to the entire product life cycle that includes design, prototype, manufacture, integration, test, and transition to production.
Principal Test Equipment Design Engineer with Active Secret Clearance Geologics CorporationPrincipal Test Equipment Design Engineer with Active Secret ClearanceTewksbury, MA$70–$90 / hourWork with Prime Engineering, Production, and Operations teams early in development cycle to identify capability and capacity needs for manufacturing test and ensure smooth deployment to manufacturing facilities. Test architectures include a blend of customized and COTS Automatic Test Equipment (ATE), along with custom electro-mechanical holding fixtures and associated interface cabling and harnessing.
Principal Linux-Based Systems Integration & Test Engineer Onsite RTXPrincipal Linux-Based Systems Integration & Test Engineer OnsiteWoburn, MassachusettsActive and existing security clearance required on 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. 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.
C5I Principal Platform Engineer RTXC5I Principal Platform EngineerConcord, 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. This role requires deep DevSecOps expertise, technical leadership and the ability to influence architecture and engineering strategy across multiple teams.
Staff Software Engineer, ML Infrastructure SimplisafeStaff Software Engineer, ML InfrastructureBoston, MA$146,600–$215,100 / yearThe work spans two of our most demanding workloads: real-time computer vision inference that processes video from cameras and doorbells across our customer base, and LLM/GenAI infrastructure that will power our future generation of intelligent applications. This role is for someone who has built and operated large-scale distributed services in production - high-QPS APIs, real-time platforms, low-latency serving systems - and is excited to bring that depth to ML infrastructure.
NewStaff Software Engineer, ML Infrastructure SimpliSafeStaff Software Engineer, ML InfrastructureBoston, MA$146,600–$215,100 / yearThe work spans two of our most demanding workloads: real-time computer vision inference that processes video from cameras and doorbells across our customer base, and LLM/GenAI infrastructure that will power our future generation of intelligent applications. This role is for someone who has built and operated large-scale distributed services in production — high-QPS APIs, real-time platforms, low-latency serving systems — and is excited to bring that depth to ML infrastructure.
Principal Systems Engineer - Onsite in Cambridge MA RTXPrincipal Systems Engineer - Onsite in Cambridge MAMassachusettsIn 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.
NewPrincipal Rust Engineer - Language Runtime Progress SoftwarePrincipal Rust Engineer - Language RuntimeBurlington, MA$170,000–$210,000 / yearMentor senior engineers (20+ years platform experience) adopting Rust - teaching-oriented code reviews, pair programming, and progressive ownership handoff. We are Progress (Nasdaq: PRGS) - the trusted provider of software that enables our customers to develop, deploy and manage responsible, AI-powered applications and experiences with agility and ease.
Principal Security Engineer, Cloud & Infrastructure Cambridge Mobile TelematicsPrincipal Security Engineer, Cloud & InfrastructureCambridge, MA$130,600–$163,300 / yearResponsibilities: Own the end-to-end security architecture for CMT's products, including mobile SDKs, backend services, APIs, data pipelines, and partner integrations. You'll stay hands-on with architecture while shaping security strategy across the organization through technical leadership, collaboration, and sound engineering judgment rather than people management.
Principal Security Engineer, Product & Application Cambridge Mobile TelematicsPrincipal Security Engineer, Product & ApplicationCambridge, MA$130,600–$163,300 / yearIn this highly autonomous individual contributor role, you'll set the technical direction for product security and partner with engineering teams to design and deliver secure solutions. Responsibilities: Own the end-to-end security architecture for CMT's products, including mobile SDKs, backend services, APIs, data pipelines, and partner integrations.
Principal Software Engineer, VP State StreetPrincipal Software 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 CRDs business.
NewSr Human Factors Design Engineer MedtronicSr Human Factors Design EngineerNewton, MinnesotaYou can effectively manage multiple workstreams simultaneously, applying human factors engineering methods across a wide range of activities, from planning and conducting generative and evaluative research, to providing ergonomic and usability guidance to product development teams, to assessing the effectiveness of risk mitigations and design controls. Activities will include: field research to identify user needs and workflows; task analysis; software andhardware user interface design; conducting usability evaluations; data analysis; communicate research outcomes to keystakeholders; risk assessment/mitigation; and completing all internal and external documentation.
Principal Software Engineer (Angular/.NET) Aquinas ConsultingPrincipal Software Engineer (Angular/.NET)100 Federal Street Boston, MAIn this job, you will design and deliver scalable, cloud-native applications, lead engineering efforts across the full software development lifecycle, and provide technical leadership to support enterprise technology platforms. Principal Software Engineer job responsibilities: Architect and develop scalable, cloud-native applications using Microsoft Azure and modern enterprise architecture principles.