Principal AI & Machine Learning Engineer - U.S. Based Hybrid Opportunity Common AppPrincipal AI & Machine Learning Engineer - U.S. Based Hybrid OpportunityArlington, VA$144,160–$162,180 / yearThe Principal Artificial Intelligence (AI) & Machine Learning (ML) Engineer is the technical leader responsible for embedding artificial intelligence into enterprise workflows and analytic processes to drive measurable gains in productivity, insight generation, and decision support within the Data Analytics & Research (DAR) division. Reporting to the Senior Director, Analytics Engineering, the Principal AI/ML Engineer partners closely with Data Engineering, Data Governance, and cross-functional business stakeholders to ensure that AI solutions are scalable, secure, compliant, and aligned with enterprise data strategy.
Sr Principal Value Management - 90341167 National Railroad Passenger CorpSr Principal Value Management - 90341167Washington, DC$149,400–$193,644 / hourOur values of 'Do the Right Thing, Excel Together and Put Customers First' are at the heart of what matters most to us, and our Core Capabilities, 'Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak. In accordance with DOT regulations (49 CFR § 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions.
Principal Technical Trainer ASRC Federal Holding CompanyPrincipal Technical TrainerAlexandria, VAThe Trainer II will provide formal and informal training to newly hired patent examiners and support advanced patent examination activities when not conducting training. The ideal candidate will bring extensive USPTO experience and serve as a senior subject‑matter expert in patent examination, patent prosecution, and USPTO processes and systems.
Consulting Project Snr Principal Consultant Oracle CorpConsulting Project Snr Principal ConsultantArlington, VA$81,700–$166,100 / yearThis includes but is not limited to the project initiation, design, management/coordination of local connectivity within the pre-prod and production domains (where applicable), interface engine configuration, identifying solution build dependencies in the Oracle Health Millennium Solution, configuration and unit testing, smoke testing, interface validation, promotion of code to production, interface readiness reporting, production validation, dry runs, table-top rehearsals, Mock Go-Live, Go-Live, and Go-Live staffing support. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle''s differing products, industries and lines of business.
Principal Software Escalation Engineer Palo Alto Networks IncPrincipal Software Escalation EngineerArlington, VA$147,000–$237,500 / yearOwn the R&D Escalation Strategy: Act as the single accountable authority for technical escalations, replacing reactive "ping-pong" with a structured, predictive pipeline that restores delivery predictability to the sprint teams. Influence the Roadmap: Use data from the field (trends, escaped bugs, and friction points) to drive strategic roadmap decisions, ensuring we prioritize technical debt and usability improvements alongside new features.
Tech Lead/Principal Engineer, Public Sector Exiger LLCTech Lead/Principal Engineer, Public SectorMcLean, VAExiger is named a Leader in the Gartner Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company''s ''Brands That Matter,'' and recipient of the Third Party Risk Association''s Innovator Award, Exiger''s technology has been recognized by leading analyst evaluations and 50+ awards. You will operate shared data infrastructure, support program teams running data planes built on your patterns, carry escalation for the hardest database problems across engagements, and represent data posture (residency, retention, encryption, access) in customer-context conversations.
Sr Principal DT Security Engineer - 90397492 - null National Railroad Passenger CorpSr Principal DT Security Engineer - 90397492 - nullWashington, DC$149,400–$193,644 / hourExpertise in designing, developing, and troubleshooting scripts and applications using Python or other modern programming languages, with extensive experience integrating REST, SOAP, vendor-specific APIs, and event-streaming platforms such as Apache Kafka to automate, optimize, and scale business processes and system integration. Our values of 'Do the Right Thing, Excel Together and Put Customers First' are at the heart of what matters most to us, and our Core Capabilities, 'Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak.
Tech Lead/Principal Engineer, Public Sector ExigerTech Lead/Principal Engineer, Public SectorMcLean, VirginiaExiger is named a Leader in the Gartner ® Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company's 'Brands That Matter,' and recipient of the Third Party Risk Association's Innovator Award, Exiger's technology has been recognized by leading analyst evaluations and 50+ awards. You will operate shared data infrastructure, support program teams running data planes built on your patterns, carry escalation for the hardest database problems across engagements, and represent data posture (residency, retention, encryption, access) in customer-context conversations.
Principal Software Engineer, AI Agents & Generative AI VantorPrincipal Software Engineer, AI Agents & Generative AIHerndon, VirginiaLeverages AI for team velocity and upskilling, including using AI-assisted development heavily, prototyping quickly, automating repetitive engineering tasks and moving faster than traditional SWE teams. We are an AI-native, agentic intelligence platform built from the ground up to operate at planetary scale – transforming vast streams of geospatial data into predictive signals that matter.
Consulting Project Snr Principal Consultant - Federal , Healthcare OracleConsulting Project Snr Principal Consultant - Federal , HealthcareArlington, VAThis includes but is not limited to the project initiation, design, management/coordination of local connectivity within the pre-prod and production domains (where applicable), interface engine configuration, identifying solution build dependencies in the Oracle Health Millennium Solution, configuration and unit testing, smoke testing, interface validation, promotion of code to production, interface readiness reporting, production validation, dry runs, table-top rehearsals, Mock Go-Live, Go-Live, and Go-Live staffing support. Oversee and manage the schedule, facilitate meetings, assist other teams, document deployment risks, and where applicable create change requests related to the creation and/or deployment of interfaces.
Tech Lead/Principal Engineer, Public Sector EXIGERTech Lead/Principal Engineer, Public SectorMclean, VAExiger is named a Leader in the Gartner Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company's 'Brands That Matter,' and recipient of the Third Party Risk Association's Innovator Award, Exiger's technology has been recognized by leading analyst evaluations and 50+ awards. You will operate shared data infrastructure, support program teams running data planes built on your patterns, carry escalation for the hardest database problems across engagements, and represent data posture (residency, retention, encryption, access) in customer-context conversations.
Principal Systems Engineer Unified Comms - 90181784 - Washington National Railroad Passenger CorpPrincipal Systems Engineer Unified Comms - 90181784 - WashingtonWashington, DC$113,200–$146,664 / hourThe Senior Systems Engineer serves as a technical leader within the Digital Employee Experience (DEX) Sustained Engineering team, responsible for the design, administration, support, automation, and continuous improvement of enterprise collaboration and productivity platforms. Our values of 'Do the Right Thing, Excel Together and Put Customers First are at the heart of what matters most to us, and our Core Capabilities, Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak.
Principal Fluids Systems Valve Design Engineer - New Glenn Blue OriginPrincipal Fluids Systems Valve Design Engineer - New GlennWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Serve as the technical lead and design authority for flight-critical valve assemblies and fluid components throughout the full product lifecycle, from defining requirements and interfaces through conceptual and detailed design, development, assembly, verification, qualification testing, operation, manufacturing support, and post-flight serviceability. .
Sr Principal Technologist, FCC (Columbia, MD, US, 21044) W. R. GraceSr Principal Technologist, FCC (Columbia, MD, US, 21044)Columbia, MDRemote$170,455.20–$234,375.90 / yearWe provide innovative products, technologies and services which our customers use to manufacture everyday products like renewable fuels, pharmaceuticals, toothpaste, cosmetics, food packaging, beer, edible oils and more. Serves as advisor to all Technical Service Engineers and customers and as a technology expert to Grace customers in select areas of FCC unit operations, catalyst application, startup, shutdown, inspection, unit optimization, and troubleshooting.
NewPrincipal Software Engineer - Search Algorithms ElasticPrincipal Software Engineer - Search AlgorithmsWashington DC, DCThis is a principal software engineering role that focuses on enhancing the vector similarity search functionality within Elasticsearch, covering the design and implementation of new vector search features, enhancements to existing vector search functionality, and resolving bugs. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
NewPrincipal Software Engineer - Performance Tuning ElasticPrincipal Software Engineer - Performance TuningWashington DC, DCBy taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. This includes deep experience with benchmarking tools (e.g., flamegraphs, JMH, Rally), identifying performance regressions, and implementing algorithmic or hardware-aware optimizations.
Cost Engineering Intern CNH Industrial NVCost Engineering InternOak Brook, ILAdditionally, you can freely decide and change any time whether you accept cookies or choose to opt out of cookies to improve website''s performance, as well as cookies used to display content tailored to your interests. YouTube is a video-sharing service where users can create their own profile, upload videos, watch, like, and comment on videos.
Software Engineer Intern (Summer 2027) ENFOS, Inc.Software Engineer Intern (Summer 2027)Chicago, ILYou will contribute to real product development and may work across frontend applications, backend services, APIs, data processing, document management, AI-enabled capabilities, or platform infrastructure depending on your technical strengths and current product initiatives. As the category leader in Environmental Obligation Management, our platform centralizes and automates the full lifecycle of Environmental Remediation Obligations (EROs) and Asset Retirement Obligations (AROs)—replacing fragmented spreadsheets and outdated tools with a purpose-built, multi-tenant SaaS platform.
Civil Engineering Intern Kimley-Horn and Associates IncCivil Engineering InternWarrenville, IL$28–$29 / hourInterns will learn one or more software programs specific to their disciplines: AutoCAD, Revit, Civil 3D, Excel, Microstation, VISSIM, Open Roads, Synchro and/or GIS. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn's placement on the Fortune "100 Best Companies to Work" list for 19 years!
Intern - Bridge Engineering GFT Infrastructure IncIntern - Bridge EngineeringChicago, IL$21–$28 / hourWhether working on highways and bridges or traffic engineering, our team excels in resilient, sustainable design and construction, delivering innovative solutions that address the complexities of modern, multimodal roadway systems and ensure safe, efficient, and reliable travel for all. In this capacity, the successful candidate will be responsible for the following: Support real client projects by performing 3D modeling, design, and drafting for transportation structures including bridges, culverts, retaining walls, and sign structures.