NewSenior Policy Analyst (Reston, VA or Waltham, MA HYBRID role) ICF International IncSenior Policy Analyst (Reston, VA or Waltham, MA HYBRID role)Reston, VA$73,770–$125,408 / yearAdditional qualifications: Excellent written and oral communication skills; Very strong analytical and problem-solving skills, with the ability to work independently and apply innovative approaches to complex technical challenges; Ability to prioritize and work on multiple projects concurrently under strict deadlines in a fast-paced consulting environment; Demonstrated expertise in quantitative analysis, statistical methods, and model development; Proficiency in R and/or Python for data analysis, statistical modeling, data visualization, and automation of analytical workflows; Knowledge of environmental policy, environmental economics, risk assessment, exposure science, or related disciplines; and. Preferred qualifications: Experience supporting federal environmental or public health agencies; Demonstrated understanding of the federal rulemaking process, regulatory impact analysis, benefits analysis, or environmental risk assessment; Experience with environmental fate and transport modeling, exposure modeling, water quality modeling, human health risk assessment, or benefits analysis; Familiarity with GIS, spatial analysis, and environmental data systems; and.
Senior Consultant, Functional Transformation DeloitteSenior Consultant, Functional TransformationMclean, VA$86,700–$170,900 / yearThe wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.
Senior SAS/Python Model Validation and Modernization Developer BLN24Senior SAS/Python Model Validation and Modernization DeveloperMcLean, VAJob Title: Senior SAS/Python Model Validation and Modernization Developer Company: BLN24 About Us: We find strength in teamwork-a better you is a better usBLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully achieving their mission and goals. This role will work closely with analysts, statisticians, data scientists, and business stakeholders to evaluate model performance, conduct what-if analyses, validate outputs, and ensure the accuracy and reliability of mission-critical analytical systems.
Senior Dynamics 365 Technical Lead Shimadzu ScientificSenior Dynamics 365 Technical LeadColumbia, MD$120,000–$125,000 / yearExperience evaluating and applying AI-enabled technologies within Microsoft Dynamics 365 and the Power Platform is preferred, including Microsoft Copilot, Copilot Studio, AI Builder, Azure AI services, agentic AI solution patterns, intelligent automation, predictive insights, and governance practices for secure, responsible, and maintainable enterprise adoption. Experience with Azure DevOps, GitHub Actions, CI/CD automation, data migration strategies, ETL tools, enterprise data models, Power BI, SQL Server Reporting Services, Field Service Mobile, Resource Scheduling Optimization, IoT/Connected Field Service, or industry-specific ISV extensions is preferred.
Senior Scientific Software Engineer – AWS/Python Executive RecruitingSenior Scientific Software Engineer – AWS/PythonGreenbelt, MDSelect Source Solutions is seeking an experienced Senior Scientific Software Engineer – AWS/Python to design, develop, and optimize cloud-based software solutions that support scientific data processing, large-scale data management, and application modernization. In this role, you will work closely with scientists, software engineers, cloud architects, and system administrators to build reliable, scalable solutions using Python, AWS, CI/CD, and modern cloud technologies.
Amazon Connect Senior Consultant, Technical Transformation DeloitteAmazon Connect Senior Consultant, Technical TransformationMclean, VA$110,700–$218,300 / yearOur purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities. 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.
Senior Technical Product Manager, Medicaid For PeopleSenior Technical Product Manager, MedicaidArlington, VARemote$80–$110 / hourThis is a 6-month contract position with a competitive hourly rate of $80-110/hr .Due to the accelerated 6-month timeline and the complexity of the project, we have a strong preference for candidates with prior experience working with federal government agencies, specifically CMS and Medicaid. You'll join a high-impact project with the Centers for Medicare & Medicaid Services (CMS), helping to define and build a new automated system that replaces a critical manual process.
Sr. Systems Administrator US AISr. Systems AdministratorNorth Bethesda, MD$80,000–$130,000 / yearFull timeAs a leader in Artificial Intelligence, Cybersecurity and Self-Healing Infrastructure , we are actively seeking top-tier talent to spearhead the commercialization of groundbreaking products and propel our business to new heights. Linux: Proficient experience in administering Linux-based systems, with a strong emphasis on expertise in Ubuntu, including the ability to configure, optimize, and troubleshoot system components to ensure reliable and secure operations.
Senior Systems Engineer (Indications & Warning) ArcfieldSenior Systems Engineer (Indications & Warning)Chantilly, VirginiaFull timeResponsibilities: Arcfield is seeking a Senior Systems Engineer dedicated to supporting Enterprise Resiliency Indications and Warning (I&W) systems in a Systems Engineering Technical Assistance (SETA) capacity for major protection-related system acquisitions and resiliency-related baseline requirements' architecture. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.
Senior Systems Engineer (Defense) ArcfieldSenior Systems Engineer (Defense)Chantilly, VirginiaFull timeThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.
Senior IT Talent Acquisition Specialist (Req-304) CATHEXISSenior IT 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 Associate of Morgan Health, Analytics Engineering JPMorgan Chase & CoSenior Associate of Morgan Health, Analytics EngineeringWashington, DCAs a Senior Associate of Analytics Engineering within Morgan Health, you will utilize your deep experience with SQL-based data modeling and the curated analytics/semantic layer, transformations, and analytics engineering best practices to build and scale a trusted analytics layer that powers Morgan Health's data science insights. Strong SQL skills and hands-on experience building modular, tested, version-controlled SQL transformations using dbt or other transformation or semantic-layer tools (e.g., SQLMesh, Dataform, Coalesce, Matillion).
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.
Senior Software Engineer (ML) Bigbear.aiSenior Software Engineer (ML)Columbia, MarylandFull timeThe software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments.
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.