Principal Product Manager Meltwater NVPrincipal Product ManagerBoston, MA$158,000–$210,000 / yearWhat We're Looking For: As Meltwater continues to scale its AI-powered media, social, and consumer intelligence platform, we're looking for a Principal Product Manager to lead the development of Mira Studio, our AI-First product offering, as well as Mira Companion, our integrated-AI offering. This role will drive the development of the Front End of Mira Studio including developing the entirely new human computer interactions afforded by a conversational or hybrid conversational interface and Generative AI.
Principal Engineer, Security Klaviyo IncPrincipal Engineer, SecurityBoston, MA$244,000–$366,000 / yearDefine and own Klaviyo''s infrastructure security architecture: IAM frameworks, service-to-service auth, secrets management, network segmentation, and production access controls, designed to scale with our multi-tenant, multi-region footprint. 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.
Principal Engineer, Core Infrastructure Klaviyo IncPrincipal Engineer, Core InfrastructureBoston, MA$244,000–$366,000 / 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. AI‑enabled platform: Approved AI tooling is integrated into IDE/CI/CD with repo policies and auditability; 70% MAU among eligible engineers; MTTR down 20-30% via AI‑assisted triage; flaky‑test rate decreases through targeted, AI‑suggested fixes.
Principal Design Strategist Schneider Electric SEPrincipal Design StrategistBoston, MA$155,000–$179,000 / yearWe connect products, control platforms, software, and services throughout the lifecycle of our customers' activities to the cloud for integrated management of residential housing, commercial buildings, data centres, infrastructures, and industry. The Principal Experience Researcher will collaborate with other user experience design professionals, product owners, developers, and data scientists, to discover unmet user needs and future product opportunities.
Principal Systems Administrator (Onsite) RTXPrincipal Systems Administrator (Onsite)MassachusettsServe as a Principal Systems Administrator supporting Windows and Linux enterprise environments, responsible for the design, implementation, maintenance, patching, and troubleshooting of Windows, RHEL, and virtualized infrastructure within a large-scale, mission-critical environment operating 24x7x365. 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 Embedded System Security Engineer (Onsite - Marlborough, MA) Secret Clearance Required RTXPrincipal Embedded System Security Engineer (Onsite - Marlborough, MA) Secret Clearance RequiredMassachusettsThe 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). 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 Systems Engineer, Systems Verification Engineer Onsite RTXPrincipal Systems Engineer, Systems Verification 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. Experience compiling, summarizing, and presenting data analysis to internal and external stakeholders, including program leadership and external customers and collaborating across engineering functions to drive performance and resolve issues.
Principal Mechanical Engineer - Air Traffic Solutions (Onsite) RTXPrincipal Mechanical Engineer - Air Traffic Solutions (Onsite)MassachusettsTypically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience. 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 Application Administrator Integrated Resources, IncPrincipal Application AdministratorCambridge, MassachusettsContractorCollaborative, with negotiation skills, conceptual thinking, systems process thinking, accountability to deliverables milestones, conflict resolution (internal and external).Must have excellent oral and written communication / presentation / negotiation skills. Internal customer management, influence of peers, team effectiveness and enhancement, timeline management, proactive problem solving ability, resource planning, ability to develop trust, shared goals and values.
Principal Product Configuration Management Engineer RTXPrincipal Product Configuration Management EngineerWoburn, MassachusettsThe term 'Digital Product' (DP) refers to, but is not limited to, the following software types and their associated data and documentation: embedded (tactical) software, applications, Built-in Test (BIT) software, reprogramming tools, simulation software, test equipment, configurable logic, Application-Specific Integrated Circuit (ASIC) design, analytical tools used to formally qualify deliverable artifacts, Model Based Systems Engineering (MBSE) system models or related artifacts, Free Open Source Software (FOSS), and Commercial Off-The-Shelf (COTS) software. Ability 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 Data Strategist, Real World Evidence Gateway RecruitingPrincipal Data Strategist, Real World EvidenceBoston, MAThis incumbent will be operating with a high degree of autonomy, this individual will shape fit-for-purpose RWD strategies, evaluate and operationalize external data assets, and lead advanced analytics initiatives using EHRs, claims, registries, and linked healthcare data. The Principal Data Strategist, Real World Evidence (RWE) will lead enterprise real-world data (RWD) strategy and advanced analytics initiatives that support scalable, regulatory-aligned evidence generation.
Principal Product Manager - Defensive Engineering Programs & Controls State StreetPrincipal Product Manager - Defensive Engineering Programs & ControlsBoston, MAFull timeAs a Principal Product Manager - Defensive Engineering Programs & Controls, you will: Lead strategic initiatives to modernize and mature the security engineering control landscape across multiple cybersecurity domains. This role serves as a bridge between security engineering, risk, compliance, and audit teams, ensuring security controls are measurable, effective, and aligned with business and regulatory requirements.