Senior Research Seismologist Applied Research Associates IncSenior Research SeismologistArlington, VA$120,000–$160,000 / yearDemonstrated proficiency with modern numerical modeling tools and the pre‑/post‑processing of seismic floating‑point data (e.g., Python and scientific libraries, MATLAB, Linux shell scripting, C/C++/Fortran/Julia or other high‑performance computing languages). We provide our clients with broad and expanding technical expertise in defense, civil, and health technologies, computer software, and simulation, systems analysis, environmental technologies, and testing and measurement.
AI/ML Engineer, Senior GrvtyAI/ML Engineer, SeniorSpringfield, VirginiaDesign and implement machine learning models for detection, classification, and characterization of events and signatures within sensor data, with enough architectural depth to select and tune the right approach rather than default to the nearest available framework. D. in a relevant quantitative field — Astronomy, Physics, Computer Science, Electrical Engineering, or related discipline — particularly where the doctoral work involved applied ML on real scientific data.
Senior Talent Acquisition Specialist (req-304) CATHEXISSenior Talent Acquisition Specialist (req-304)Tysons, VA$115,000–$125,000 / yearProfessional recruiting certifications — AIRS Certified Internet Recruiter (CIR) or Advanced CIR, AIRS Professional Recruiter Certification (PRC), LinkedIn Certified Professional–Recruiter, ASA Certified Staffing Professional (CSP), or NAPS Certified Personnel Consultant (CPC). Proven AI/ML recruiting depth: successful placements of machine learning engineers, data scientists, or AI researchers/engineers, with the technical fluency to screen credibly for ML frameworks (e.g., PyTorch, TensorFlow), data pipelines, MLOps, and model deployment.
Senior Operations Research Analyst Tetra Tech IncSenior Operations Research AnalystWashington, DC$120,000–$130,000 / yearTetra Tech AMT is looking for a Senior Operations Research Analyst/Data Scientist to support a highly visible new FAA project in the initial stand up of executable processes and analytics at the direction of FAA management for pre-departure planning. Help determine the most efficient and ideal best course of action (e.g., build data models that translate to lower fuel burden, less aircraft downtime, shorter block times, and faster flights) given a strict set of real-world constraints.
Senior Associate, New Verticals - Fulfilment Strategy & Operations DoorDash IncSenior Associate, New Verticals - Fulfilment Strategy & OperationsDC$87,000–$128,000 / yearWe value a diverse workforce - people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Lead: You will help lead cross-functional work streams of Engineers, Data Scientists and Designers to develop best in class product features that will enhance the quality of New Vertical deliveriesOwn: You love owning problems end-to-end.
Senior Software Engineer GovServicesHubSenior Software EngineerWest Mclean, VirginiaWe are seeking a highly experienced hands-on Full Stack Engineer to design and development of cutting-edge AI Agents, Agentic Workflows, and Gen AI Applications that solve complex business problems. You will serve as a hands-on engineer, working alongside Gen AI scientists, UX designers, product managers, and data engineers to shape and implement enterprise-grade Gen AI solutions.
Senior Data Engineer (Secret Cleared) CGI IncSenior Data Engineer (Secret Cleared)Arlington, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information. Your future duties and responsibilities: Pipeline Development: Design, build, and maintain scalable, production grade data pipelines using modern frameworks and cloud based processing technologies, aligned with medallion/lakehouse architecture best practices.
Senior Software Engineer Seekr Technologies IncSenior Software EngineerReston, VAAvailable across cloud, on-premises, and edge environments, SeekrFlow reduces bias, strengthens data integrity, and simplifies model oversight so organizations can rely on trusted AI decisions in high-stakes settings that impact society's most sensitive and vital systems. Trusted by leading enterprises and government agencies, we partner with defense, finance, telecom, and critical infrastructure leaders to enable AI solutions that drive real-world results with unmatched transparency and control.
Ccaas Technical Lead, Senior Consultant DeloitteCcaas Technical Lead, Senior ConsultantMclean, VAYou will work closely with client stakeholders, solution architects, engineers, and delivery teams to translate business requirements into secure, scalable technical solutions across NICE CXone, Five9, Amazon Connect, and Genesys Cloud. We can enhance customer experiences and drive sustained growth and customer value creation and capture, through customer and commercial strategies, digital products and innovation, marketing, commerce, sales, and service.
Quantitative Analytics & Model Analyst Senior - Data Operations and Machine Learning Operations PNC BankQuantitative Analytics & Model Analyst Senior - Data Operations and Machine Learning OperationsTysons Corner, VirginiaPNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions. In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.
NewSenior Google AI Engineer CredenceSenior Google AI EngineerMcLean, VARemoteArchitect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.
NewSenior Scientist / Engineer 2 Circle IncSenior Scientist / EngineerArlington, VADoctoral degree required Five years' experience in the Department of Defense (DoD) Excellent interpersonal communication skills Proficient with Microsoft Office (Outlook, Word, Power Point, and Excel) Efficient and accurate work output Good documentation, writing, and reporting skills Must be self-starter, able to take initiative, work independently and recognize management issues that need to be elevated Must be able to multi-task and maintain deadline punctuality during pressurized situations TS//SCI Clearance Required. 2 Circle Incorporated is a veteran-owned small business consulting firm providing specialized customer focused system engineering, requirements definition, operational analysis, and program management support to Department of Defense requirements staffs, acquisition communities, and warfighting organizations to solve mission-critical problems.
Senior Scientist American Type Culture CollectionSenior ScientistManassas, VA$120,000–$140,000 / yearThe Senior Scientist initiates, executes, and directs scientific research, troubleshoots complex research activities, and applies scientific principles and research methods to solve challenging problems. Working across cross-functional teams, this role contributes to new product development, services, and informatics projects while serving as a scientific resource and mentor to colleagues.
Senior Water Resources Engineer DewberrySenior Water Resources EngineerFairfax, Virginia$134,000–$173,000 / yearFull timeIn addition to supporting complex projects for federal, state, and local clients, the candidate will help shape the future of hydraulic modeling practice through the advancement of probabilistic and risk-informed methodologies, integration of emerging technologies, development of scalable computational workflows, and mentorship of technical staff. Working collaboratively with engineers, scientists, planners, and programmers, this individual will develop and implement advanced analytical workflows, cloud-enabled modeling solutions, and next-generation approaches for evaluating and managing flood risk under existing and future conditions.
Senior Machine Learning Engineer Planet Labs PBCSenior Machine Learning EngineerArlington, VA$160,600–$200,800 / yearEAR/ITAR Requirements: This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate's ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls. About the Role: Planet's Analytics Team for Global Monitoring focuses on novel geospatial and time series analytics for customers requiring robust change detection, object detection, and generative AI capabilities.
Agile Systems Senior Technical Specialist ArcfieldAgile Systems Senior Technical SpecialistChantilly, VirginiaFull timeAgile Execution: Facilitate large-scale value delivery by coordinating across multiple technical stakeholders and developers to define and align all aspects of systems engineering and agile implementation for the program to include defining and aligning solution epics, driving operational cadence, identifying dependencies and impediments, and aligning release activities with enterprise strategic themes to ensure successful delivery of large, complex systems and capabilities. As an Agile Systems Senior Technical Specialist, you will primarily provide leadership and direction for executing agile project management within the Customer Program Office for cross-component activities, such as development of threads, solution/program epics, work initiatives, and roadmaps necessary to satisfy the customer’s strategic initiatives and related goals; guiding and orchestrating increment and sprint-level activities using Atlassian Jira, Jira Portfolio, and Confluence tools.
Senior Technical Program Manager - Pricing and Manufacturability Xometry IncSenior Technical Program Manager - Pricing and ManufacturabilityNorth Bethesda, MDPricing & Manufacturability (P&M) owns the engines and models behind that experience: Auto-Quote pricing and cost, Design for Manufacturability (DFM) / geometry analysis, Drawing AI (CAD and 2D drawing interpretation), and the ML models that predict cost, lead time, and drawing intelligence. Technical Program Manager will work with senior leadership, engineering, product, data science, and business teams to deliver these capabilities end to end from model and service work through product integration, operations, and post-launch improvement.
NewSenior Machine Learning Engineer Geico InsuranceSenior Machine Learning EngineerBethesda, MD$115,000–$230,000 / yearAs a Senior Machine Learning Engineer, you will play a pivotal role as a technical leader, designing, deploying, and managing production-grade ML systems that directly impact core business functions. Hands-on experience building and deploying LLM-based applications, including prompt design, retrieval-augmented generation (RAG), model evaluation, and production integration.
NewSenior Talent Acquisition Specialist (Req-304) CATHEXISSenior Talent Acquisition Specialist (Req-304)Tysons, VA$115,000–$125,000 / yearProfessional recruiting certifications — AIRS Certified Internet Recruiter (CIR) or Advanced CIR, AIRS Professional Recruiter Certification (PRC), LinkedIn Certified Professional–Recruiter, ASA Certified Staffing Professional (CSP), or NAPS Certified Personnel Consultant (CPC). Proven AI/ML recruiting depth: successful placements of machine learning engineers, data scientists, or AI researchers/engineers, with the technical fluency to screen credibly for ML frameworks (e.g., PyTorch, TensorFlow), data pipelines, MLOps, and model deployment.
NewSenior Data Management and Analytics Specialist (52953) Gap Solutions, Inc.Senior Data Management and Analytics Specialist (52953)Herndon, VAPosition Objective: This Senior Data Management and Analytics Specialist to support the Centers for Disease Control and Prevention (CDC), Office of Public Health Data, Surveillance, and Technology (OPHDST). 5+ years of progressively responsible experience relevant professional experience supporting data management, public health analytics, epidemiology, health data science, or related work.