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The Opportunity: Join a mission-focused team supporting Joint Interagency Task Force (JIATF) 401 by applying advanced data science, statistical analysis, machine learning, and data engineering methodologies to complex national security challenges. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

YEAR

CACI International Inc.

Data Scientist--Jiatf

ea_via_bold

Community building (internal and external): Build a strong research culture through internal talks, reading groups, and workshops; and engage with external AI/ML communities (professional societies, consortiums, working groups, and conferences) to strengthen collaboration pathways and keep the lab connected to emerging practice. Technical leadership / Tech lead: Lead technical execution by defining technical tasking, sequencing work into realistic milestones, maintaining delivery quality, and delegating appropriately across the team.

Carnegie Mellon University

Senior Machine Learning Research Scientist - Frontier Lab

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Projects may include Phase I/II environmental site assessments, ecological and natural resource field surveys, tank closure assessments, asbestos abatement, storm water management, and site planning and permitting. Terracon considers factors including, but not limited to, the scope and responsibilities of the position, candidate work experience, work location, education/training, key skills, as well as market and business considerations when extending an offer.

Terracon

Senior Staff Scientist

Daily Tasks include, but are not limited to: Utilize analytical, statistical, and programming skills to collect, analyze, and interpret large cybersecurity data sets. Collaborate with Risk Management teams to develop means to integrate, automate, and provide dynamic visualization capabilities for risk management efforts.

Tenica and Associates LLC

Data Scientist mid-level TS/SCI CI poly

Qualifications and Skills: Bachelor's degree in Biological Systems Engineering, Civil Engineering, Environmental Engineering, Environmental Science, or a related field, with a focus on water or wastewater. ERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications.

Helping our clients protect the environment, improve worker health and safety, ensure the safety of food and drugs, plan sustainable facilities, and achieve other positive outcomes.

ERG offer's an atmosphere of respect, where everyone at all levels is treated with kindness and compassion. How does this work? We look for people with similar goals, skills, and dedication to client service. We look for people who embrace our collaborative philosophy. In this atmosphere, our employees can develop, grow, and diversify their skills. They can participate on project teams that pull together different specialties and strengths to meet specific client needs. One key result of this philosophy is that we have very low turnover of staff.

The atmosphere of respect that we apply internally extends in equal measure to client relationships. We listen to and learn about our clients’ goals. We develop and implement practical, cost-effective plans to meet those goals. And we make ourselves available and responsive to changing needs and priorities.

Eastern Research Group Inc

Entry Level Environmental Engineer/Scientist 2026/2027 Career Fair

Hands-on experience applying quantitative practices in a CMMI environment across both the Development (DEV) and Services (SVC) models is required; demonstrated, hands-on experience performing Function Point Analysis (FPA) for project sizing. 2026 KPMG LLP, a Delaware Limited Liability Partnership, and its subsidiaries are part of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.

KPMG International Cooperative

QA Data Scientist

Experience with modern NLP and generative AI technologies, including retrieval-augmented generation (RAG), embeddings, vector databases, Hugging Face Transformers, BERT, BART, and large language models (LLMs). SteerBridge is seeking an NLP Data Scientist to support the Modern Disability Claims program, applying natural language processing and machine learning to extract, structure, and analyze medical and claims data in support of VA disability claims adjudication.

SteerBridge LLC

NLP Data Scientist

The successful candidate will contribute to projects involving environmental compliance, regulatory research, technical documentation, and data management while developing their knowledge of applicable environmental regulations and industry practices. ERG is seeking an Entry-Level Environmental Scientist/Engineer to support environmental projects through research, data analysis, technical writing, and environmental assessments.

Entry Level Environmental Scientist/Engineer - Compliance

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APTIM Envir and Infra, LLC is committed to providing an extensive range of benefits that protect and promote the health and financial well-being of our employees and their families through the APTIM Benefits Marketplace https://aptim.makeityoursource.com/. Compensation depends on several factors including: experience, education, key skills, geographic location of the position, client requirements, external market competitiveness, and internal equity among other employees within APTIM.

HOUR

APTIM

Environmental Scientist

If youre looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. 2026 KPMG LLP, a Delaware Limited Liability Partnership, and its subsidiaries are part of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.

Senior Specialist, Federal Data Scientist

As a Kalman Analyst, you will collaborate with military leaders, engineers, developers, technicians, logisticians, and financial managers to collect, analyze, and communicate information that will help ensure the success of programs critical to the United States DoW and our allies. Experience with current computing technologies and software applications such as specialized Business Intelligence software, SQL, Microsoft SQL Server, Oracle, Access, SharePoint, and other database applications.

Kalman & Company, Inc.

Data Scientist

clearcompany

The ideal candidate will thrive in a dynamic, multifaceted role where you"ll translate complex business challenges into rigorous quantitative frameworks, extract actionable insights from structured and unstructured datasets, and architect science-backed, scalable solutions that elevate the experience of our 1 million+ employees worldwide. The Central Science Team within Amazon's People Experience and Technology org (PXTCS) uses economics, behavioral science, statistics, machine learning, and Generative AI to proactively identify mechanisms and process improvements which simultaneously improve Amazon and the lives, well-being, and the value of work to Amazonians.

At Amazon, we don’t wait for the next big idea to present itself. We envision the shape of impossible things and then we boldly make them reality. So far, this mindset has helped us achieve some incredible things. Let’s build new systems, challenge the status quo, and design the world we want to live in. We believe the work you do here will be the best work of your life. 
Wherever you are in your career exploration, Amazon likely has an opportunity for you. Our research scientists and engineers shape the future of natural language understanding with Alexa. Fulfillment center associates around the globe send customer orders from our warehouses to doorsteps. Product managers set feature requirements, strategy, and marketing messages for brand new customer experiences. And as we grow, we’ll add jobs that haven’t been invented yet. 
It’s Always Day 1 
At Amazon, it’s always “Day 1.” Now, what does this mean and why does it matter? It means that our approach remains the same as it was on Amazon’s very first day – to make smart, fast decisions, stay nimble, invent, and stay focused on delighting our customers. In our 2016 shareholder letter, Amazon CEO Jeff Bezos shared his thoughts on how to keep up a Day 1 company mindset. “Staying in Day 1 requires you to experiment patiently, accept failures, plant seeds, protect saplings, and double down when you see customer delight,” he wrote. “A customer-obsessed culture best creates the conditions where all of that can happen.” You can read the full letter <a href="https://hiring.amazon.com/why-amazon/culture#/">here</a> 
Our Leadership Principles 
Our Leadership Principles help us keep a Day 1 mentality. They aren’t just a pretty inspirational wall hanging. Amazonians use them, every day, whether they’re discussing ideas for new projects, deciding on the best solution for a customer’s problem, or interviewing candidates. To read through our Leadership Principles from Customer Obsession to Bias for Action, visit <a href="https://www.amazon.jobs/principles" target="_blank">https://www.amazon.jobs/principles</a>

Amazon.com Inc

Data Scientist I, PXT Central Science

Design, fine-tune, and implement Large Language Models (LLMs) into workflows to support knowledge management systems, including: Development of LLM-driven tools to automate summarization, tagging, and retrieval of internal data, reports, and documentation. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently.

Vantor

Senior Data Scientist

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FULL_TIME

Field activities may include supervising and conducting environmental field investigations (soil, groundwater, surface water, etc.), performing long term monitoring, documenting field conditions, supporting remediation activities through sampling activities, working with Mid and Sr. Office activities may include preparing for and coordinating field events, management of field and laboratory data, development of graphics depicting site investigation activities, developing pricing for future work, developing period and unique reports, studies, and plans.

Plexus Scientific Corporation

Mid-level Geologist, Engineer, or Environmental Scientist

Talent Acquisition

In recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. Candidates must have a desire to be part of a data-driven, customer-focused, fast-paced team that loves the mission of improving the citizen's experience and providing excellent service to government customers.

Bart & Associates Inc

AI Data Scientist

Bart & Associates

This role is ideal for a highly analytical, detail-oriented professional who thrives in data-driven environments and can translate complex analytical insights into actionable outcomes for both technical and non-technical stakeholders. Nor will Ignite Digital Services require, in a posting or otherwise, U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.

Atlas Executive Consulting

We are seeking an experienced Senior Product Owner – AI with strong expertise in Generative AI and Agentic AI to identify AI-driven opportunities, enhance existing products, and translate business needs into actionable product requirements. The ideal candidate will collaborate with business stakeholders, data scientists, solution architects, and engineering teams to drive AI initiatives from concept through implementation and production.

Lumen Solutions Group, Inc.

Senior Product Owner - AI

jobdiva

Here is your chance to join XTS as a Senior Data Scientist in support of the National Geospatial-Intelligence Agency (NGA), where you will help advance the Maven program through imagery acquisition, imagery curation, and data transformation in support of model development. You will work across geospatial formats, JavaScript Object Notation (JSON), Extensible Markup Language (XML), and other file types, using Python and quantitative methods to clean, analyze, and interpret data.

Xcellent Technology Solutions

Senior Data Scientist - GEOINT | TS/SCI

partner JazzHR

In terms of 'role levels', they're hiring across mid-level and senior (most of the FSP demand is for Senior Data Scientists) and due to the size of the organisation and the fact they're growing, opportunities for fast-tracked career development are there for those who want it. Due to the Top Secret nature of their work, I can't share too much detail around the day-to-day in this advert (for obvious reasons!), but they would prefer applicants with TS/SCI clearance (CI Poly or FSP is the preference due to project demand).

Data Scientist Jobs in Virginia

Data Scientist--Jiatf CACI International Inc.

Senior Machine Learning Research Scientist - Frontier Lab Carnegie Mellon University

Senior Staff Scientist Terracon

Data Scientist mid-level TS/SCI CI poly Tenica and Associates LLC

Entry Level Environmental Engineer/Scientist 2026/2027 Career Fair Eastern Research Group Inc

QA Data Scientist KPMG International Cooperative

NLP Data Scientist SteerBridge LLC

Entry Level Environmental Scientist/Engineer - Compliance Eastern Research Group Inc

Environmental Scientist APTIM

Senior Specialist, Federal Data Scientist KPMG International Cooperative

Data Scientist Kalman & Company, Inc.

Data Scientist I, PXT Central Science Amazon.com Inc

Senior Data Scientist Vantor

Mid-level Geologist, Engineer, or Environmental Scientist Plexus Scientific Corporation

AI Data Scientist Bart & Associates Inc

AI Data Scientist Bart & Associates

Data Scientist Atlas Executive Consulting

Senior Product Owner - AI Lumen Solutions Group, Inc.

Senior Data Scientist - GEOINT | TS/SCI Xcellent Technology Solutions

Senior Data Scientist (TS/SCI Clearance) Your Remote Tech Recruiter

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