620 Results for

Senior Science Jobs in Stafford, VA

Jobs

Senior Data Scientist Applied Research Associates, Inc.

Alexandria, VA

The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Senior Data Scientist to support a multi‑disciplinary team providing data analysis and visualization support across the Department of Homeland Security (DHS) mission space. You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions.

24 days ago

Lifecycle Acquisition Analyst Senior Apogee Engineering LLC

Fort Belvoir, VA

Assist with collaboration and integration both within the PEO and between the PEO and its partners/customers including but not limited to other program offices, the sensor office, the infrastructure team, the SAM office, financial management offices, contracting officers, and Source. Demonstrated senior level (12 or more years) experience in applying systems engineering processes, requirements analysis, interface definition, and detailed implementation planning of large complex systems or enterprises and enterprise-wide interoperability.

3 days ago

Senior AI/ML Engineer VivSoft Technologies

Springfield, VA

VivSoft is a diverse team of strategists, engineers, designers, and creators experienced in building high-performance, effective software, with a focus on impactful organizational design and software delivery dynamics. This individual will collaborate closely with product managers, software engineers, technical stakeholders, and external partners to translate operational requirements into effective technical solutions while ensuring scalability, reliability, and alignment with organizational objectives.

23 days ago

GEOINT Source Strategies Analyst Senior Quick Services LLC

Springfield, VA

The ideal candidate will have strong experience across the GEOINT tasking, collection, processing, exploitation, and dissemination (TCPED) lifecycle; experience working with multi-source GEOINT data; and the ability to collaborate with customers, source providers, data scientists, and intelligence professionals to develop innovative collection strategies for complex intelligence requirements. 5+ years of experience managing large, multi-source datasets; performing data sensemaking; assessing model output confidence and reliability; developing automated collection strategies; and working with data scientists.

16 days ago

Senior GEOINT Collection Manager - (Source Throughput Analyst) Quick Services LLC

Springfield, VA

5+ years of experience managing large, multi-source datasets, performing data sensemaking, assessing model output confidence/reliability, developing automated collection strategies, and working with data scientists. We are seeking a Senior GEOINT Collections Manager/Source Throughput Analyst to support one of our government customers optimizing GEOINT source utilization, collection throughput, mission synchronization, and integration of emerging GEOINT capabilities.

16 days ago

Senior Applied AI/ML Engineer (TS/SCI) Maxar Technologies Inc (Inactive)

Springfield, VA

$187,000–$205,700 / year

Preferred Skills: Experience with distributed data engineering using Apache Spark/PySpark, HDFS, Delta Lake, Elasticsearch, or similar technologies across large-scale datasets. 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.

18 days ago

Senior GCP Data Engineer PeopleNTech LLC

Alexandria, VA

Quick Apply

Design, develop, and maintain scalable ETL/data pipelines on GCP using Python, Dataflow, BigQuery, Cloud Storage, Composer/Airflow, and Control-M to support fraud analytics, ML, and enterprise data initiatives. Design and support CI/CD-enabled data engineering platforms, automated deployments, and integration with enterprise data ecosystems including Dataiku, Neo4j, REST APIs, and cloud-native services.

25 days ago

Senior Agentic AI Engineerse PeopleNTech LLC

Alexandria, VA

Quick Apply

Mentor junior/mid-level engineers, champion software engineering best practices (CI/CD, comprehensive testing, logging for non-deterministic systems), and stay ahead of the rapidly evolving AI landscape. You will build systems to parse requirements, map software modules, and auto-generate test cases - boosting engineering velocity without sacrificing the compliance rigor required for FDA-cleared software.

30+ days ago

Data Scientist - Senior Grvty

Springfield, Virginia

$120,000–$160,000 / year

The ideal candidate is an experienced technical leader who can transform large, complex datasets into actionable intelligence, modernize analytic workflows, and develop scalable solutions that directly support enterprise decision-making and mission success. Your work will include designing compelling visualizations and dashboards that communicate complex findings in a clear, actionable manner, enabling mission partners to integrate data-driven insights into daily operations and strategic planning.

30+ days ago

Senior Data Scientist Grvty

Springfield, Virginia

$125,000–$150,000 / year

30+ days ago

Senior Financial Data Engineer Silverthorne Advisory Group

Crystal City, Virginia

You should be comfortable working with large and complex financial datasets, developing data pipelines and transformation processes, identifying data quality issues, and partnering with stakeholders to translate financial requirements into scalable technical solutions. SMALL TEAM, BIG RESULTS People come to Silverthorne when they are ready to do things differently—to start just by listening, to put clients first, and to sweat the details, because the little stuff really is big stuff.

25 days ago

Senior Financial Transformation Consultant - Intelligent Automation (UiPath RPA) Guidehouse Inc

Springfield, VA

$98,000–$163,000 / year

What You Will Do: Our Financial Management Transformation professionals help our clients in Defense and National Security optimize all elements of their financial management structure by transforming business processes, enhancing operational efficiency, improving transparency and performance management, promoting change management, and complying with Federal laws and regulations. Specific initiatives and work products that this role supports include: Supporting transformative initiatives by collaborating with team members and senior stakeholders to modernize financial and operational processes through intelligent automation solutions.

9 days ago

Senior Facility Assessor AtkinsRealis

Alexandria, VA

$95,000–$110,000 / year

AtkinsRéalis believes that conviction records may have a direct, adverse, and negative relationship to the following job duties: accessing company property, information, assets, and products; accessing confidential information and partnering and regularly working with or supervising other AtkinsRéalis employees and interacting with AtkinsRéalis clients including government property or ports. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency.

30+ days ago

Senior Engineer - Protection & Control AtkinsRealis

Alexandria, VA

$110,000–$150,000 / year

Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. The Protection & Controls Engineer reports to our Protection & Controls Technical Manager and requires working independently on fast paced technically complex design projects.

30+ days ago

Senior Software Engineer (Virginia) Kestrel Intelligence

Crystal City, Virginia

Design software and deployment patterns that support multi-cloud environments, such as cloud-agnostic Terraform modules, minimal provider lock-in for core services, and future deployments across commercial cloud and GovCloud. The Role As a Senior Software Engineer at Kestrel, you will lead the design and development of data structures, data processing pipelines, APIs, components of an agentic AI architecture, and user interface components.

14 days ago

RF Analyst - Senior KBR

Springfield, VA

$183,600–$224,300 / year

This role develops and applies electromagnetic effects models, conducts advanced risk assessments, and advises on protective measures to ensure system resilience against RF-DE impacts (e.g., HPM/HIRF). KBR is seeking an Senior Engineering RF Analyst to provide expert-level technical leadership in assessing, analyzing, and mitigating RF directed-energy threats to mission-critical systems.

30+ days ago

Senior Nepa And Permitting Lead AtkinsRealis

Alexandria, VA

$113,000–$188,000 / year

Prepare and review of NEPA and planning documents working with a variety of lead Federal agencies, ideally for transportation related projects; Prepare scopes and fees for NEPA and permitting projects; Coordinate and lead NEPA and permitting projects with varying degrees of complexity mainly for transportation, aviation, Federal, and energy markets; Coordinate with design professionals and project teams to identify fatal flaws, schedule delays, opportunities for schedule acceleration or recovery, and opportunities to avoid or minimize impacts. Aptitude for maintaining a professional attitude and attention to detail while working alone, within a team environment, and/or on multiple projects simultaneously; Excellent technical writing, computer, and verbal communication skills with clients and colleagues; Strong organizational, task and time management skills, and deductive reasoning and analytical skills; Proficiency with the MS Office suite of software, and familiarity with schedule management software; and.

30+ days ago

Senior Full Spectrum GEOINT (FSG) NVA CACI

Fort Belvoir, Virginia

$78,700–$165,200 / year

Shall perform and conduct quality control of advanced level imagery and imagery-derived MASINT analysis and processing using geospatial/imagery applications and related automation in support of Special Operations missions with regional and point analysis with detailed products to support Find, Fix, Finish, Exploit, Analyze targeting methodology. Specifically, the Senior Full Spectrum GEOINT Analyst will be responsible for fusing multi-disciplinary intelligence sources to provide accurate and timely full-spectrum imagery-based analysis in direct support of multiple geographically dispersed DoD organizations.

30+ days ago

Senior Software Engineer VTG

Fredericksburg, Virginia

Full time

Responsibilities: The Engineer shall create custom tools necessary to evaluate mobile apps and IoT devices; evaluate the feasibility of intercepting communication services; evaluation of smart phones applications / IoT devices to familiarize le with specifics regarding their interaction with CSP networks and infotainment systems; assist state and local LE with the establishment of customer hosted or supported services; familiarization with the functionalities and evidentiary results produced by commercial or proprietary LE digital forensics systems; assess Industry forms and/or portals; document evaluation results on the customer website and create documents such as whitepapers, power points, and articles that illustrate the findings from the evaluations. Overview: VTG is seeking a Senior Software Engineer to work on on projects contributing considerably toward closing the intercept capability gap for state and local law enforcement agencies.

30+ days ago

Senior Systems Engineer - Tomahawk Weapons System SimVentions, Inc

Fredericksburg, Virginia

$126,000–$155,000 / year
Full time

Provide engineering expertise during IPT meetings, Software Requirements Management Boards (SRMB), Engineering Review Boards (ERB), Deficiency Review Boards (DRB), Development and Deployment reviews, Configuration Control Boards (CCB), Interface Working Groups (IWG), and Single System Initiative (SSI) Reviews by performing package development, package review, and comment and documentation of results. We are looking for a Senior Systems Engineer to serve alongside a high-functioning team of engineers supporting the design of TTWCS software (e.g., requirements, capabilities, enhancements, interface documents, architecture).

30+ days ago

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Senior Science Jobs in Stafford, VA

Senior Data Scientist Applied Research Associates, Inc.

Lifecycle Acquisition Analyst Senior Apogee Engineering LLC

Senior AI/ML Engineer VivSoft Technologies

GEOINT Source Strategies Analyst Senior Quick Services LLC

Senior GEOINT Collection Manager - (Source Throughput Analyst) Quick Services LLC

Senior Applied AI/ML Engineer (TS/SCI) Maxar Technologies Inc (Inactive)

Senior GCP Data Engineer PeopleNTech LLC

Senior Agentic AI Engineerse PeopleNTech LLC

Data Scientist - Senior Grvty

Senior Data Scientist Grvty

Senior Financial Data Engineer Silverthorne Advisory Group

Senior Financial Transformation Consultant - Intelligent Automation (UiPath RPA) Guidehouse Inc

Senior Facility Assessor AtkinsRealis

Senior Engineer - Protection & Control AtkinsRealis

Senior Software Engineer (Virginia) Kestrel Intelligence

RF Analyst - Senior KBR

Senior Nepa And Permitting Lead AtkinsRealis

Senior Full Spectrum GEOINT (FSG) NVA CACI

Senior Software Engineer VTG

Senior Systems Engineer - Tomahawk Weapons System SimVentions, Inc

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