Mechanical Test Engineer Butler America AerospaceMechanical Test EngineerNewport, RI$85–$100 / hourFull timePerform instrumentation planning and test conduct of all Hardware Tests including vibration, mechanical shock, temperature, altitude, humidity, and structural testing Dynamic and thermal data acquisition and analysis Provide test fixture design coordination Work independently and take ownership of program/project to achieve schedule, financial, and technical goals Prepare test plans, schedules, test reports, and technical documentation of project work assigned Work directly with design engineering, structural analysis personnel, manufacturing engineering, and commercial customers Provide technical expertise to programs as needed Factory and supplier testing support domestically and internationally Generate detailed, archival technical reports Travel to test sites to support test or design discussion (depending on work assignment) Willingness to travel to domestic sites, suppliers, and government facilities. Experience in one or more of the following areas: Signal processing, data acquisition, field test instrumentation, or structural testing.
NewHW/SW Systems Engineer Butler America AerospaceHW/SW Systems EngineerNewport, RI$100–$117 / hourContractorRequired Skill Sets: o Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience or in absence of a degree, 14 years of relevant experience. o Maintain, through configuration management processes, the requirements database Analyze, develop and decompose Level 1 requirements to Levels 2 through 4, through collaborating with leads across engineering disciplines.
Software Test Engineer Butler America AerospaceSoftware Test EngineerNewport, RI$80–$95 / hourContractorDevelop test plans, test procedures, and test tools for multiple programs Perform testing of both HW and SW systems, isolate failures, and propose solutions Interface with DoD clients executing formal sell off test events and integration test periods Work closely with development teams when bugs are identified to track and resolve issues Requirements tracking and verification. Experience and knowledge of software development in C Experience working with embedded systems Experience with Atlassian toolset (i.e. Jira and Confluence) Experience in QA or configuration management.
Test Engineer (AN/BYG-1) JobotTest Engineer (AN/BYG-1)Newport, RI$85,000–$95,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a leading provider of information technology, logistics management, business process re-engineering, financial management, and administrative support services for the Department of the Navy and Homeland Security.
Mechanical Engineer Greystone of LincolnMechanical EngineerNorth Providence, RIFull timeThe ideal candidate is a hands-on engineer who enjoys learning about a wide range of subjects and making meaningful contributions across multiple areas of the organization. This role offers the opportunity to work across product, manufacturing, and operational functions to support process improvements, solve technical challenges, and drive business performance.
Process Engineer I (Molding) Nordson CorpProcess Engineer I (Molding)East Providence, RICoordinates activities with internal tooling engineers to create/ensure the ability to manufacture products on a production scale. Coordinates activities within the Manufacturing department to ensure product/ samples are produced that meet the component/assembly specifications.
Process Engineer -Operations Integrated Resources, IncProcess Engineer -OperationsPlease note: Actual location may vary., RIRemotePosition Summary: As a Process Engineer, Strategic Process Improvement/Operations for ***, you will report to the Lead Director, Operations/Strategic Process Improvement who will drive the strategy and execution outcomes of the Process Excellence team. As a Process Engineer, Strategic Process Improvement/Operations for ***, you will report to the Lead Director, Operations/Strategic Process Improvement who will drive the strategy and execution outcomes of the Process Excellence team.
NewSoftware Engineer CVS Health CorpSoftware EngineerRI$64,890–$173,040 / yearYou will contribute to a platform that provides: Self-Service Data Ingestion - Help build the UI and backend that empowers application teams to register Kafka topics, update schemas, and ingest data, reducing lead times from weeks to minutes. Working alongside senior engineers, you will help modernize how data is accessed and managed - enabling teams across the company to work with their data through the user-friendly tools you help build.
Staff Development Engineer - Fulfillment CVS Health CorpStaff Development Engineer - FulfillmentRI$106,605–$284,280 / yearCollaborate closely with engineering, platform, and business teams to deliver cost optimized, scalable solutions-leveraging cloud cost profiling tools, storage tiering strategies, service right sizing, and architectural simplification. Apply advanced software engineering practices across the full SDLC-including domain driven design (DDD), design patterns, secure coding, automated testing strategies (unit, contract, integration), code quality gates, trunk based development, and continuous observability.
Infrastructure Engineer Splitwise, Inc.Infrastructure EngineerProvidence, RIRemote$197,000–$220,000 / yearYou'll work directly with engineering leadership and the backend engineering team to architect and launch systems and tools that are pragmatic, developer-friendly, and cost-effective. This is a hands-on role, but you will have significant authority over the architecture, priorities, and roadmap as we expand our user base and engineering teams.
Staff Software Development Engineer CVS Health CorpStaff Software Development EngineerRI$118,450–$284,280 / year2+ years of hands-on experience with LLM implementation - including integrating large language models into production applications, prompt engineering, and working knowledge of ML concepts such as embeddings, RAG, fine-tuning, or model evaluation. 5+ years of experience building APIs, microservices, and modern software patterns; including hands-on experience designing and operating complex microservice architectures at scale.
Principal Mechanical Engineer, Design RTXPrincipal Mechanical Engineer, DesignRhode IslandTeaming/Communication: Collaborate with cross-functional teams including other engineering disciplines, operations, supply chain, quality, and external suppliers to resolve technical challenges and develop effective design solutions. Lead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with ruggedized structures, interconnects, cooling, electronics packaging, tooling and/or array integration.
Sr Mechanical Design Engineer RTXSr Mechanical Design EngineerRhode IslandLead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with ruggedized structures, interconnects, cooling, electronics packaging, tooling and/or array integration. The ideal candidate for Senior Mechanical Engineer will bring a blend of technical ability, experience in mechanical hardware design, system integration skills, and a strong background in program execution whether design and development or production support.
Principal Cloud Database Engineer FMR LLCPrincipal Cloud Database EngineerSmithfield, RIThe Team The Fidelity Enterprise Infrastructure & Operations Capacity Database team provides business facing database capacity solutions, encompassing the application/business aspects of databases, including database engineering, application-data-database integration, data replication, performance consulting, and support, using world-class methodologies & technologies. Job Description:Note: Fidelity will not provide immigration sponsorship for this positionWe are seeking a highly skilled Principal Cloud Database Engineer to join the Enterprise Infrastructure & Operations Capacity Database team.
NewSenior Full Stack Software Development Engineer CVS Health CorpSenior Full Stack Software Development EngineerRI$83,430–$222,480 / yearAdditionally, you will build an AI-powered analytics platform that allows analytics teams to automatically generate semantic layers and data models for use by analytic agents, accelerating time-to-insight and reducing manual dependencies. About this Role: This is a high-impact, high-autonomy role suited for a detail-oriented and collaborative individual who thrives on ownership, knows how to apply best practices, and can independently design, build, and maintain production-grade software.
Sr Mechanical Design Engineer RTX CorpSr Mechanical Design EngineerPortsmouth, RITeaming/Communication: Collaborate with cross-functional teams including other engineering disciplines, operations, supply chain, quality, and external suppliers to resolve technical challenges and develop effective design solutions. Lead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with ruggedized structures, interconnects, cooling, electronics packaging, tooling and/or array integration.
Principal Mechanical Engineer, Design RTX CorpPrincipal Mechanical Engineer, DesignPortsmouth, RITeaming/Communication: Collaborate with cross-functional teams including other engineering disciplines, operations, supply chain, quality, and external suppliers to resolve technical challenges and develop effective design solutions. Lead small teams utilizing strong mechanical hardware design experience and knowledge in a fast-paced collaborative environment with ruggedized structures, interconnects, cooling, electronics packaging, tooling and/or array integration.
NewChange Management Engineer ASM Research, An Accenture Federal Services CompanyChange Management EngineerProvidence, RI$58,100–$95,900 / yearIt works closely with operations, cybersecurity, development, and leadership stakeholders to facilitate change advisory board activities, maintain complete change records and metrics, and drive continuous improvement of change workflows and supporting ITSM tooling. Required QualificationsBachelor's degree in an IT‑related field (such as Information Technology, Computer Science, or Information Systems) or equivalent relevant work experience.4–7 years of progressively responsible experience in ITIL‑based IT service management, with at least 4 years focused on implementing and managing change management processes.
Quality Engineer Worthington Enterprises IncQuality EngineerWest Warwick, RIProduct brands within the Worthington Enterprises portfolio include Balloon Time, Bernzomatic, Coleman (propane cylinders), CoMet, Elgen, Garden Weasel, General, HALO, Hawkeye, Level5 Tools, Mag Torch, NEXI, Pactool International, PowerCore, Ragasco, Well-X-Trol and XLite, among others. Key position results include but are not limited to, increase quality at and/or reduced cost for supply base, internally and customer base; compliance with all regulatory and internal policies; reduction in scrap, reject and rework; and timely and accurate CAR preparation and evaluation.
Manufacturing Engineer Eaton Corporation PlcManufacturing EngineerRI$71,000–$105,000 / yearAfter making a conditional offer and running a background check, if Eaton is concerned about conviction that is directly related to the job, you will be given the chance to explain the circumstances surrounding the conviction, provide mitigating evidence, or challenge the accuracy of the background report. To conform to U.S. Government export regulations applicable to that information, applicant must be a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. 1157, or (iv) asylee under 8 U.S.C. 1158.
Senior Manufacturing Engineer (Molding) Nordson CorpSenior Manufacturing Engineer (Molding)East Providence, RIThe Sr Manufacturing Engineer will be responsible for providing day-to-day engineering support for injection molding processes, with a focus on maintaining and improving yield, product quality, and overall manufacturing efficiency. Communicate operational status regularly to senior management and corporate management, as required and appropriate, through written documents and formal/informal oral presentations.
NewSenior Data Engineer Kemper CorpSenior Data EngineerRI$99,000–$164,800 / yearArchitect and oversee the delivery of scalable data pipelines, ingestion frameworks, and transformation processes using Snowflake, Python, Spark, Informatica (PowerCenter/IDMC), AWS Glue, and cloud-native tooling. As a senior engineer, you will define architectural patterns, mentor engineering teams, and ensure the successful execution of strategic data initiatives that support analytics, reporting, and business intelligence efforts across the organization.
Lead AI Security Engineer Factory Mutual Insurance CoLead AI Security EngineerRI$121,000–$173,000 / year7+ years of experience in information technology or cybersecurity, including at least five years in security engineering or a related technical area such as cloud security, identity and access management, data protection, application security, security operations, vulnerability management, incident response, or platform security. The role operates at the intersection of cybersecurity, platform engineering, and emerging AI technologies, supporting enterprise AI solutions such as Microsoft Copilot, Claude, and internally developed or platform-based agentic AI systems, including Azure AI Foundry.
Engineer/Project Manager - Water Services Group CDM Smith IncEngineer/Project Manager - Water Services GroupProvidence, RIIn addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing. Experience applying project management methodologies, including budget development, project planning, controls, assurance processes, and the use of project management software, with a solid understanding of finance and accounting principles.
Engineer/Project Manager - Water Services Group CDM SmithEngineer/Project Manager - Water Services GroupProvidence, RISkills & Abilities** Experience applying project management methodologies, including budget development, project planning, controls, assurance processes, and the use of project management software, with a solid understanding of finance and accounting principles. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.
Principal Full Stack Engineer (Angular + Spring Boot) FMR LLCPrincipal Full Stack Engineer (Angular + Spring Boot)Smithfield, RIRemotePlease be advised that Fidelitys business is governed by the provisions of the Securities Exchange Act of 1934 the Investment Advisers Act of 1940 the Investment Company Act of 1940 ERISA numerous state laws governing securities investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations including FINRA among others. As a member of the Fidelity Philanthropic Services business unit you will help Fidelity Charitable applications evolve through hands-on software development technical mentoring and cross-team collaboration with a diverse co-located engineering team while also visualizing customer issues as drivers for internal change.
Manufacturing Engineer Worthington Enterprises IncManufacturing EngineerWest Warwick, RI$85,000–$139,000 / yearProduct brands within the Worthington Enterprises portfolio include Balloon Time, Bernzomatic, Coleman (propane cylinders), CoMet, Elgen, Garden Weasel, General, HALO, Hawkeye, Level5 Tools, Mag Torch, NEXI, Pactool International, PowerCore, Ragasco, Well-X-Trol and XLite, among others. This role supports a high-mix, welded tank fabrication environment with a focus on supporting daily production, resolving constraints, improving safety, quality, delivery, and cost, and leading capital and continuous improvement projects from concept through execution.
DevSecOps Engineer MaximusDevSecOps EngineerProvidence, RIFull timeProvides Development, Security, and Operations (DevSecOps) areas of incident response, vulnerability scanning and management, problem management, certificate management, penetration testing, password policy management, data analysis of network security, remediation patching coordination, and compliance efforts. Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment.
Distribution Engineer Leidos Holdings IncDistribution EngineerRI$59,150–$106,925 / yearAs a valued team member, you can look forward to a fast paced, diverse work environment and flexible work hours/work arrangements, as well as managers who will encourage career development and growth opportunities, including Professional Engineer License (PE), Project Management Professional (PMP), Leadership training, Formal Mentorship Programs, Management opportunities. Gain experience in coordinating conflicting utilities and other field engineering design requirements, assessing and developing large design packages for complex cable/conduit projects in dense urban environments, work permit development, easements, and ROW applications.
Civil Engineer Project Manager VHBCivil Engineer Project ManagerProvidence, RIYou’ll step into an established structure as a peer alongside other senior project managers, while also guiding a team of four direct reports and helping fill key gaps created by recent growth and transitions. In this role, you’ll be a well rounded-leader with broad project portfolio experience which ideally includes institutional, healthcare, higher education, real estate, manufacturing, and industrial projects.
Staff Software Engineer - Search / AI CVS Health CorpStaff Software Engineer - Search / AIRI$106,605–$284,280 / yearCurrently, we are seeking a Staff Software Engineer - Search / AI who as a Senior technical leader, be responsible for driving architecture, design, and delivery of scalable, cloud-native platforms built on microservices architecture and AI capabilities. CVS Health is looking for hands-on, passionate people who want to join a high energy and growing team to make a difference in customers' lives and who want to be on the forefront of digital innovation that aims to reinvent what a pharmacy and a health care company can be in the digital world.
Design Engineer AMETEK IncDesign EngineerWesterly, RIKey Responsibilities: Work with customers (internal and external) to develop and document complex products for harsh subsea environment applications that meet performance requirements at the expected product cost, project budget and timeline. AMETEK, Inc. is a leading global provider of industrial technology solutions serving a diverse set of attractive niche markets with annual sales over $7.5 billion.
Senior Manufacturing Engineer RTXSenior Manufacturing EngineerRhode IslandExperience in Transducer and Sensor assembly (mechanical assembly/bonding/potting/molding), cable and harness fabrication, including crimping requirements, electromechanical integration of piece parts and subassemblies, including a knowledge of cable and harness routing techniques, development of Specialized Tooling (Jigs, Fixtures, Packaging), and/or Refurbishment/Repair or Warranty requirements and processing of Government Furnished Material (GFM) or Equipment (GFE). Experience with programming, maintaining, and the operation of automated tooling and machinery, including Coordinate-Measuring Machine (CMM), Computer Numerical Control (CNC) Machine, Robotics, and other fabrication tooling & processing equipment.
Manufacturing Engineer Worthington EnterprisesManufacturing EngineerWest Warwick, RIFull timeThis role supports a high-mix, welded tank fabrication environment with a focus on supporting daily production, resolving constraints, improving safety, quality, delivery, and cost, and leading capital and continuous improvement projects from concept through execution. The Manufacturing Engineer is a shop‑floor-first engineering role focused on executing safe, capable, and compliant manufacturing processes for ASME pressure vessels and engineered products.
Senior Manufacturing Engineer RTX CorpSenior Manufacturing EngineerPortsmouth, RIExperience in Transducer and Sensor assembly (mechanical assembly/bonding/potting/molding), cable and harness fabrication, including crimping requirements, electromechanical integration of piece parts and subassemblies, including a knowledge of cable and harness routing techniques, development of Specialized Tooling (Jigs, Fixtures, Packaging), and/or Refurbishment/Repair or Warranty requirements and processing of Government Furnished Material (GFM) or Equipment (GFE). Experience with programming, maintaining, and the operation of automated tooling and machinery, including Coordinate-Measuring Machine (CMM), Computer Numerical Control (CNC) Machine, Robotics, and other fabrication tooling & processing equipment.
Staff Systems Engineer - Digital CVS Health CorpStaff Systems Engineer - DigitalRI$130,295–$260,590 / yearCross-Team Collaboration & Enablement: Partner closely with product engineering, platform, and analytics teams to understand data needs and deliver architectural solutions. Design and govern data models, data contracts, and canonical schemas used across product and platform teams.
NewSenior Industrial Engineer Anduril Industries IncSenior Industrial EngineerRI$126,000–$167,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Specify, justify, and deploy capital equipment and tooling - define requirements for large-scale assembly, handling, and test equipment; own the business case and capex justification; and manage vendor selection, build, install, and qualification through to production readiness.
Senior Software Engineer Brightstar LotterySenior Software EngineerProvidence, RI$60,989–$200,500 / yearAs a premier pure play global lottery company, our best-in-class lottery operations, retail and digital solutions, and award-winning lottery games enable our customers to achieve their goals, fulfill player needs and distribute meaningful benefits to communities. IGT is committed to sustaining a workforce that reflects the diversity of the global customers and communities we serve, and to creating a fair and inclusive culture that enables all our employees to feel valued, respected and engaged.
Senior Manufacturing Engineer, Mechanical Anduril Industries IncSenior Manufacturing Engineer, MechanicalRI$126,000–$167,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Lead the disposition of Non-Conforming Reports (NCRs) and guide Material Review Board (MRB) activities for production-related defects, determining root cause and implementing immediate corrective actions.
Principal Software Engineer CVS Health CorpPrincipal Software EngineerRI$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.
Senior Mechanical Manufacturing Engineer, Dive-XL Anduril Industries IncSenior Mechanical Manufacturing Engineer, Dive-XLRI$126,000–$167,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Lead the disposition of Non-Conforming Reports (NCRs) and guide Material Review Board (MRB) activities for production-related defects, determining root cause and implementing immediate corrective actions.
Principal Applied AI Engineer, Finance Genesys Cloud Services IncPrincipal Applied AI Engineer, FinanceRI$225,200–$396,000 / yearThe ideal candidate is both a strategic technical leader and hands-on builder-capable of architecting complex AI systems with a software engineering mindset, influencing organizational direction, and delivering measurable business impact. Through Genesys Cloud, the AI-powered Experience Orchestration platform, organizations can accelerate growth by delivering empathetic, personalized experiences at scale to drive customer loyalty, workforce engagement, efficiency and operational improvements.
Senior Software Engineer – IMS TM/DB Application Programmer Rocket SoftwareSenior Software Engineer – IMS TM/DB Application ProgrammerProvidence, RIRemote$120,500–$162,675 / yearWe are seeking an accomplished Senior Software Engineer with deep expertise in IBM IMS™ Transaction Manager (TM) and Database (DB) application programming to drive the evolution of our IMS compatible technologies within our Enterprise modernization platform. + Contribute to the design and development of key components that replicate or extend IMS TM and DB behaviors—including message handling, transaction scheduling, PSB/DBD structures, DL/I call compatibility, and hierarchical database semantics.
NewSenior Technical Marketing Engineer, Distributed Networking & Content Delivery Akamai Technologies, Inc.Senior Technical Marketing Engineer, Distributed Networking & Content DeliveryProvidence, RI$119,600–$215,400 / yearTo be successful in this role you will: + Have 6 years of relevant experience in technical marketing, solutions or sales engineering, or network engineering in CDN, content delivery, networking, edge or adjacent infrastructure, and a Bachelor's degree in a technical field or its equivalent. As a Senior Technical Marketing Engineer, you will be responsible for: + Implementing Akamai delivery and performance products hands-on, building and maintaining live configurations and demo environments that show real capabilities on real traffic, not slideware.
Quality Engineer Yantran LLCQuality EngineerCoventry, RIWhat you'll be doing as a Quality Engineer: Assist quality engineering with generation of testing and qualification test instructions, finding sources for testing and testing equipment, performing internal testing, maintaining test and quality records and samples, observe external testing as required. Knowledge and skills: quality systems and project management experience, procedure documentation, detail oriented and organized, strong communication skills, customer service experience, interpersonal skills, excellent verbal and written communication skills, effective team player, and critical thinking skills.
Engineer, Software Verint Systems, Inc.Engineer, SoftwareProvidence, RIYou will design and build full-stack features end-to-end, write high-quality automated tests, support production systems, and collaborate daily with Product Managers, Designers, QA Engineers, and globally distributed engineering peers. + Design, develop, and maintain production-grade full-stack features spanning Java/C# backend services, REST/GraphQL APIs, and React/Ext JS frontend applications.
Civil Engineer Project Manager Vanasse Hangen Brustlin IncCivil Engineer Project ManagerProvidence, RIYoull step into an established structure as a peer alongside other senior project managers, while also guiding a team of four direct reports and helping fill key gaps created by recent growth and transitions. In this role, youll be a well rounded-leader with broad project portfolio experience which ideally includes institutional, healthcare, higher education, real estate, manufacturing, and industrial projects.
Model-Based Systems Engineer (Junior-Mid) G2 Ops, Inc.Model-Based Systems Engineer (Junior-Mid)Newport, RIRemoteFull timeIn this role, you’ll develop Model-Based Systems Engineering products and digital engineering deliverables that support requirements, system design, analysis, verification, validation, interoperability, and acquisition lifecycle decisions. Experience with a collaborative MBSE or digital engineering environment, such as MagicDraw/Cameo Systems Modeler, Sparx Systems Enterprise Architect, IBM Rational Rhapsody, System Architect, or a comparable tool.
Information Systems Security Engineer G2 Ops, Inc.Information Systems Security EngineerNewport, RIFull timeG2 Ops leverages over a decade of experience integrating Systems, Cybersecurity, and Software Engineering techniques to provide solutions to a growing list of Government and private customers. Team members support mission-focused projects alongside highly skilled technical professionals across engineering, cybersecurity, operations, and program teams.
Senior Systems Engineer G2 Ops, Inc.Senior Systems EngineerNewport, RIRemoteFull timeG2 Ops leverages over a decade of experience integrating Systems, Cybersecurity, and Software Engineering techniques to provide solutions to a growing list of Government and private customers. In this role, you’ll contribute to mechanical and electromechanical system design, technical data development, and configuration management while working alongside a team that values innovation, technical excellence, and continuous growth.