FULL_TIME

POSTING_API

UNKNOWN

Professional certification such as Professional Wetland Scientist (PWS), Professional Wetland Delineator (PWD) and Virginia State Waters Delineator (VSWD)Certified Wildlife Biologist (CWB), Geographic Information Systems Professional (GISP), American Institute of Certified Planners (AICP), or Professional Engineer (PE). The ideal candidate is a seasoned environmental professional with expertise in wetland science, protected species, permitting, environmental compliance, and natural resource management who is ready to lead projects, mentor staff, and support the growth of WRA’s environmental practice.

YEAR

Whitman, Requardt & Associates, LLP

Senior Environmental Planner / Scientist

FEED

Bachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Senior Software Engineer / Data Scientist (Training Systems)

Appcast Exclusive 1

ADAPTED_NOW

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Jobot

Senior Data Scientist

The individual will serve as a senior technical leader responsible for architecting mission concepts, defining system requirements, and developing CONOPS, use cases, and systems‑engineering artifacts across the full system lifecycle. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

L3Harris Technologies

Scientist, Systems Engineer

TMP PX

CALIBRE is an employee-owned mission focused solutions and digital transformation company, is looking to hire a Lead Data Scientist to provide senior-level technical and management leadership in support of a federal civilian government agency. · Interface with senior government leaders, contracting representatives, program managers, technical teams, and other stakeholders to communicate progress, resolve issues, negotiate priorities, and support informed decision-making.

CALIBRE Systems, Inc. (CALIBRE) is an employee-owned management consulting and digital transformation company supporting government and industry. CALIBRE is committed to the success of our clients, and delivers enduring solutions that solve management, technology, and program challenges. CALIBRE is a leading provider of solutions serving clients in the public and private sectors - Defense, Federal / Civil and Commercial corporations. Our employees - operating from our Alexandria, Virginia headquarters, five regional offices across the U.S. and in two foreign countries - are committed to delivering high quality solutions. 
CALIBRE and its subsidiaries are an Equal Opportunity Employer and supports transitioning service members, veterans and individuals with disabilities. We offer a competitive salary and full benefits package. To be considered, please apply via our website at <a href="https://urldefense.com/v3/__http:/www.calibresys.com/__;!!D1XWH5In!Qkx82SYK92oKjJ7-Frwd6F0l0fYP5PYZB0F9SIM2mYfqkXijbHOeiSxf36SM6DfGX2nbkigGxcvTEcNqxqMyCsgPBQ$">www.calibresys.com</a>. Come join our dynamic team. #CALIBRECareers

Calibre Systems

Lead Data Scientist

You will collaborate with cross-functional engineering, data, cloud, and stakeholder teams to deliver scalable, secure, and mission-focused AI capabilities for federal clients, while helping guide technical direction, strengthen engineering practices, and mentor other engineers. Experience designing or implementing agentic AI solutions using frameworks or platforms such as Agent2Agent Protocol, Bedrock Agents, Mastra, CrewAI, Strands, AgentCore, LangChain, or LangGraph.

Credence

Senior AI Software Engineer

Credence Mgmt Solutions

Lead the technical migration from legacy SQL Server stored procedures and ADF pipelines to Databricks Lakehouse (Delta Lake), ensuring best practice Lakehouse design. They are responsible for designing and creating systems that collect, manage, and convert raw data into usable information for data scientists and business analysts to interpret and enables the agency to make smarter decisions and optimize operations.

PLANIT Group is a fast-growing global technology consulting firm dedicated to delivering innovative solutions to our clients that drive results. We collaborate with our partners and customers to help them improve performance, efficiency, and quality. Our team delivers innovative solutions and services - including management consulting, systems integration, ERP solutions, enterprise architecture, communications, and infrastructure services. We focus on delivering value and driving increased productivity and efficiencies for our clients’ mission. Our extensive experience in the Federal, Defense, Intelligence, State, Local, Healthcare and Commercial industries delivers proven results and accelerated benefits.
Clients engage PLANIT for our expertise, innovative approach, and our exceptional team. We promote a creative, client-centric work environment and culture, striving to provide challenging and rewarding opportunities for our company’s employees and partners. Integrity and innovation are the core principles of our company philosophy. Our customers engage us to create solutions to complex mission challenges, and PLANIT delivers. For more information, visit http://www.planitgroup.com/. Innovation. Integration. Integrity.

PlanIT Group

Senior Databricks Migration Engineer

Strong understanding of ETL, ELT, and other similar data pipeline processes, as well as Enterprise Data and Storage Systems, such as experience with OpenSearch/Elastic Search, Kafka, Bedrock, Glue, DataBricks, Snowflake, AWS S3, RDS, EBS, or Glacier. You’ll drive agentic AI development lifecycles and collaborate across engineering, data, and stakeholder teams to deliver high-impact, cloud-native AI capabilities that advance federal missions.

Senior Data Engineer

PhD in Electrical Engineering, Computer Engineering, Computer Science, AI, Mathematics, or related fields plus 6 years of experience in Applied Research or M.S. in Electrical Engineering, Computer Engineering, Computer Science, AI, Mathematics, or related fields plus 8 years of experience in Applied Research. Partner with a cross-functional team of applied researchers, data scientists, AI engineers, machine learning engineers and product managers to deliver AI-powered products that change how customers interact with their money.

Discover Financial Services

Sr. Director, Applied Researcher

Ivy Exec

Currently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelors Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 11 years of experience performing data analytics. As a Data Science Leader at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.

Senior Director, Data Science

Design, build, and maintain robust ML infrastructure and pipelines supporting end-to-end workflows: feature extraction, training, testing, guardrails, evaluation, deployment, and both real-time and batch inference — with high performance, scalability, and reliability. We are looking for a senior technology executive to lead this organization: someone who sets multi-year platform strategy and owns the architecture, who can partner with the CISO and C-suite in the morning and pressure-test a model design or a streaming pipeline in the afternoon.

Senior Director, Data Engineer

Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.

DO WHAT YOU LOVE Make your mark on the world’s most used technologies. Develop the next hit mobile application. Pioneer a startup that could be the next big thing. At Microsoft, you choose your path. Headquartered in Redmond, Washington, Microsoft is a top innovator in both the consumer and enterprise technology industry. Just a few of the many things our products do are unleash creativity, connect businesses, and make learning more fun. But our continued success is based on one thing: our employees. We hire amazing, talented people and give them the opportunities—and the tools—to succeed. WHY MICROSOFT? As a Microsoft employee, you’re surrounded by a diverse group of the smartest people in your field. This fosters new ideas, better business results, and creates a dynamic work environment. In the office, you’re constantly challenged and supported by your colleagues. Every day holds something new and exciting. We also offer unparalleled depth and breadth of career opportunities. As an industry leader in multiple fields, working for Microsoft means being able to do whatever you feel passionate about—and being able to make an impact in that field. From day one, we give our employees significant responsibility. This means that you’ll know that you directly contributed to something that has a positive impact on people worldwide. Whether you choose to work in management, dive deep into the newest technology, or explore multiple professions, you’ll find everything you need at Microsoft to drive your career—and to make a difference. WE GET IT – YOU’RE MORE THAN YOUR JOB Everyone works differently and is motivated by different things. We also understand that there’s more to you than your job. That’s why we offer competitive pay and a wide assortment of benefits-- to help you make the most of life at work and away from it. GET THE BALL ROLLING

Microsoft

Sr. Software Engineer - CTJ - Poly

Perform environmental and utility testing, including purified and potable water, compressed gases, manufacturing environmental monitoring, moisture testing, cleaning validation, and process validation support. Perform testing and release of raw materials, in-process materials, intermediates, finished products, validation samples, and non-routine products in accordance with approved methods, specifications, and compendial requirements.

Catalent

Senior Scientist, Quality Control

With clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. At least 120 hours paid time off (PTO), 10 paid holidays annually, paid parental leave (3 weeks for bonding and 8 weeks for caregiver leave), accident and life insurance, and short- and long-term disability in accordance with company policy.

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Our mission is to enable our customers to make the world healthier, cleaner and safer. With revenues of nearly $11 billion, we have approximately 37,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. We create value for our key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Our products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications. All of our employees share a common set of values - Integrity, Intensity, Innovation and Involvement. Our ability to grow year after year is driven by our ability to attract, develop and retain world-class people who will thrive in our environment and share in our desire to improve mankind by enabling our customers to make the world healthier, cleaner and safer. If you share in our values and if you're looking for an employer who is strongly committed to developing talent and rewarding achievement, come grow with us at Thermo Fisher Scientific. Thermo Fisher Scientific is an Equal Employment Opportunity and Affirmative Action employer.

Thermo Fisher Scientific Inc

Senior Scientist, Chromatography

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. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.

CACI International Inc.

Senior Scientist

ea_via_bold

You will work alongside algorithm engineers, data scientists, and intelligence analysts to develop and apply physics-based models, image science methods, and multi-platform remote sensing analytics. This is a technically demanding role centered on OPIR phenomenology, optical signature characterization, and sensor performance analysis in direct support of national security missions at a Customer site in Herndon, Virginia.

Verite Group, Inc.

Doctoral 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.

2 Circle Inc

Senior Scientist / Engineer

Senior Scientist - Chromatography & LCMS

Provide high level technical research, analysis, reporting, and presentations in response to internal and external task orders and requests, which include: Congressionally Directed Actions (CDA's). Support and design studies, workshops, working groups, and projects that span through multiple organizations, agencies and technical disciplines.

Innovative Analytics and Training, LLC

Senior Scientist/S&T Advisor

As a Senior Scientist/Engineer, you will:• Assist in developing the portfolio management process to assess and update the investment strategy for the POM budgeting cycle, to include development of a uniform process to assess the current progress for each for subarea of the medical RDT&E portfolio; development of roadmaps of technology and regulatory development for subareas of the portfolio; and development of metrics for assessing progress, collaboration, adequacy of resources, and research coverage of capability gaps across the Department.• Strategic Analysis, Inc. seeks aSenior Scientist/Engineerto support the oversight and administration of the DoD/DoW Medical Research, Development, Test and Evaluation (RDT&E) program executed within the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)).This is a hybrid position.

Strategic Analysis, Inc. (SA), a small business is an industry-leading government professional services firm that excels in providing innovative solutions to the problems of today and tomorrow. The talents and experience that make up the SA team provide all of the skills, tools, and creative ideas necessary to address the technical, operational, programmatic, and policy aspects of national defense and homeland security issues. 
Strategic Analysis began operations in Arlington, Virginia in May of 1986, quickly establishing a name for itself by winning competitive contracts from the Office of Naval Research, the Office of the Secretary of Defense and the Los Alamos National Laboratory to support technical studies and key national security science and technology (S&T) programs. Years later, Strategic Analysis has grown with offices in Arlington, Virginia, Washington, D.C. and Colorado Springs, Colorado. SA's core capabilities have also greatly expanded and diversified as new demands have been placed on the professional services industry and as the world environment has changed. SA's list of clients has grown substantially over the last twenty years, and yet the core values of providing the highest quality support to our customers, hiring and building relationships with good people to do great things, a focus on SA as an "extended family," and working to build a better community for everyone remain the same as they were twenty years ago.

Senior Scientist Jobs in Virginia

Senior Environmental Planner / Scientist Whitman, Requardt & Associates, LLP

Senior Software Engineer / Data Scientist (Training Systems) Leidos

Senior Data Scientist Jobot

Scientist, Systems Engineer L3Harris Technologies

Lead Data Scientist Calibre Systems

Senior AI Software Engineer Credence

Senior Databricks Migration Engineer PlanIT Group

Senior Data Engineer Credence

Sr. Director, Applied Researcher Discover Financial Services

Senior Director, Data Science Discover Financial Services

Senior Director, Data Engineer Discover Financial Services

Sr. Software Engineer - CTJ - Poly Microsoft

Senior Scientist, Quality Control Catalent

Senior Scientist, Chromatography Thermo Fisher Scientific Inc

Senior Scientist CACI International Inc.

Senior Scientist Verite Group, Inc.

Senior Scientist / Engineer 2 Circle Inc

Senior Scientist - Chromatography & LCMS Thermo Fisher Scientific Inc

Senior Scientist/S&T Advisor Innovative Analytics and Training, LLC

Senior Scientist/Engineer (Medical RDT&E) (TS/SCI #26-084) Strategic Analysis, Inc.

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