Data scientist jobs in Ashburn, VirginiaCrear alertas

Job Description Altus Consulting is seeking a talented Data Scientist to join our team and drive data-driven decision making for our clients. You will leverage your expertise in statistics, machine learning, and data analysis to extract insights from large datasets and solve complex business problems. Responsibilities: • Collect, clean, and prepare data for analysis., • Develop and implement machine learning models for various tasks (e.g., classification, prediction, recommendation)., • Analyze data to identify trends, patterns, and insights., • Communicate findings and recommendations to stakeholders in a clear and concise manner., • Collaborate with engineers and other data professionals to build and deploy data-driven solutions., • Strong mathematical and statistical skills., • Experience with machine learning algorithms and libraries (Scikit-learn, TensorFlow, PyTorch)., • Experience with data visualization tools (Tableau, Power BI)., • Excellent communication and presentation skills., • Strong problem-solving and critical thinking skills., • Active TS/SCI with poly clearance is required., • Bachelors degree in Data Science, Statistics, Computer Science, or related field., • 2+ years of experience in data science or a related role. The information provided in this job description is accurate and truthful to the best of our knowledge. However, it is not intended to be a contract, and we reserve the right to modify the job description at any time. Altus Consulting is dedicated to diversity and inclusion, building a work environment where everyone feels respected and valued. We firmly believe in equal opportunity, guaranteeing fair and unbiased treatment for all individuals in all aspects of employment, regardless of race, color, religion, national origin, gender, sexual orientation, gender identity, pregnancy, childbirth or related medical conditions, age, protected veteran status, or disability status. We oppose discrimination in any form, and our commitment is evident in every interaction.

Job Description Red Rock Government Services is a leading software engineering company recognized for its exceptional support to the intelligence community. With a proven track record of delivering innovative and mission-critical solutions, Red Rock specializes in developing secure, scalable, and cutting-edge technologies tailored to meet the complex needs of intelligence operations. The company's expertise in advanced analytics, cloud computing, and artificial intelligence enables it to empower agencies with enhanced decision-making capabilities and operational efficiency. Red Rock's commitment to excellence, agility, and collaboration solidifies its reputation as a trusted partner in safeguarding national security and advancing intelligence objectives. This position requires a current and active TS/SCI with Full Scope Polygraph security clearance. This position does not have the ability to sponsor candidates for clearance processing. RedRock is seeking a Data Scientist to join our team of diverse and qualified professionals. The role focuses on supporting the Sponsor's mission by delivering advanced language training to ensure proficiency across a broad spectrum of languages for the Sponsor's employees. Responsibilities: • Works closely with the Sponsor to gather requirements and advise on AWS infrastructure design, development, and deployment of Cloud resources., • Designs, tests, and implements log aggregation in support of Cloud and AWS systems., • Designs, tests, and implements search and visualization infrastructure in support of AWS systems., • Works with vendors to develop and deploy Cloud based solutions to the learning environment in AWS., • Acts as a liaison between the Customer and Vendor Contacts to troubleshoot AWS when deploying new resources., • Recommends new technologies for use in the cloud environment (AWS)., • Communicates IT requirements between management and technical entities. Qualifications: • Experience in risk management and ability to identify project risks and facilitate the development and implementation of mitigation strategies, • Experience implementing and integrating AWS solutions., • Experience in gathering requirements from vendor contacts and customers., • Experience using Linux in the AWS environment., • Experience with scripting and web programming technologies required to support web-based learning systems, such as PHP, PERL, Java, Jscript, or PowerShell., • Experience deploying third party software products., • Experience with Software Configuration Management (SCCM)., • Experience working with desktop and network hardware. Location: Herndon, VA Pay and Benefits: Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Paid Leave and Retirement. Commitment to Diversity: All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Job Description Come join our family! Microbac Laboratories is an essential business offering competitive pay and benefits including medical, dental, vision, life insurance, disability, generous paid time off including vacation, holidays and flex-time, a wellness program, referral bonus, tuition reimbursement and more! Whether you are just starting your career in science or looking to further it, Microbac will put you on the path of an exciting career with room to grow. Quality, safety, giving back to our communities, diversity and inclusion, customer success and employee wellbeing are part of our core culture. We are looking for motivated individuals to join our family as an Associate Scientist I. ABOUT MICROBAC Microbac Laboratories, Inc. is a premier commercial laboratory testing firm that partners with clients worldwide, offering laboratory solutions to the life science, food and nutrition, and environmental industries and serves our clients with the utmost expertise and respect for their market requirements, constraints, and challenges. We embody a company-wide commitment to exceptional customer experience, which has been refined over nearly 50 years of trusted, analytical and measurement experience. Through our network of laboratories, offices, and field services, we have the flexibility to meet the unique requirements for each client, project, and scope. As a privately held third-party testing company, Microbac operates with a commitment to safety, quality, and compliance. Our diverse work portfolio includes broad accreditation offerings and tested insights across the environmental, food and nutrition and life science markets. JOB SUMMARY The Associate Scientist I, working in an accredited commercial laboratory, is responsible for assisting with the conduct of microbiological assays and associated activities to determine antimicrobial efficacy of household and commercial cleaning products. ESSENTIAL FUNCTIONS: • Following established SOP’s and adhering to state, federal and other accrediting body requirements, collect information about the antimicrobial properties of substances/samples to support the analytical testing needs of our clients for such purposes as quantitative or qualitative analysis, and product development, • Perform laboratory housekeeping duties to include autoclaving and glassware processing, • Prepare necessary standards, solutions, reagents, media, etc., required for sample analyses, • Perform equipment and instrumentation set up, • Operate basic and specialized laboratory instrumentation, • Prepare and analyze samples, • Accurately record observations and data and interpret results, • Assists in the development and validation of new analytical methods, • Assists in the development of new laboratory procedures, • Assist department supervisors and managers with staff training, • Sign off on final certificates of analysis, • Contribute to writing, editing, and reviewing SOP’s, • Monitor and address sample backlog issues, • Perform peer review of data to ensure accuracy, • Maintain accurate, up to date logs, notebooks, and equipment records, • Perform necessary laboratory administrative functions such as filing paperwork, photocopying, reviewing of data, and entering data into computerized LIMS, • Comply with and promote Personnel, Safety, and Quality Program MINIMUM REQUIREMENTS: • Bachelor’s degree from a four-year accredited institution in a related field of applied science, • Prior analytical testing experience, • Above average knowledge of principles, terminology, practices, techniques, and instrumentation commonly used in a laboratory setting, • Ability to interpret data and prepare reports, • Ability to effectively prioritize work and manage time to meet deadlines and rush orders, • Computer literacy, • Ability to work with delicate laboratory equipment, • Ability to communicate effectively in both written and verbal formats WORKING CONDITIONS AND PHYSICAL REQUIREMENTS: The physical demands and working conditions described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Physical Requirements: • While performing the duties of this job, the employee is regularly required to use hands to finger, handle, or feel objects, tools; talk or hear. The employee is required to stand, walk, and sit., • While performing the duties of this job, the employee will be in a general laboratory and office environment., • The noise level in the work environment is usually moderate., • This job may require travel less than 20% As a privately held third-party testing company, Microbac operates with a commitment to safety, quality and compliance. Our diverse work portfolio includes broad accreditation offerings and tested insights across the environmental, food and life science markets. OTHER: This job description is not an exhaustive list of all duties an employee may be required to perform. Microbac reserves the right to revise the job description at any time. Employment is at-will. Microbac, promotes a drug-free, alcohol-free workplace. Applicants considered for hire must pass a drug test before beginning work. Refusal to submit to testing will result in disqualification of further employment consideration. Microbac is an Equal Opportunity Employer – We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. All qualified applicants will receive consideration for employment.

Description Are you interested in shaping the future of transportation? Consider joining the Leidos team operating FHWA’s Saxton Transportation Operations Laboratory (STOL), a USDOT research lab focused on the improvement of transportation operations, safety, mobility, and environmental impacts. STOL provides a variety of services to support the advancement and adoption of emerging technologies, including automation and communication in vehicles and on the roadside. Location: This role requires full-time on-site work at the customer site in McLean, VA. Learn about STOL here: ___ Candidates MUST: All applicants must be legally authorized to work in the United States with proof of legal status and be eligible for a Public Trust Clearance which includes three consecutive years in the United States within the last five years. Leidos is seeking a highly skilled Transportation Data Scientist to support FHWA-funded projects at the intersection of AI, data science, and transportation. This role will focus on developing and deploying AI/ML models for applications such as vehicle load classification using weigh-in-motion (WIM) data and imagery, crash prediction in traffic management centers (TMCs), and creating data ecosystems for trustworthy AI. The ideal candidate will have hands-on experience in AI model development, data integration, and stakeholder engagement, with a passion for identifying new opportunities to apply AI in state-level transportation initiatives. This position offers the chance to drive innovation in a dynamic, federally supported research environment. Primary Responsibilities • Conduct data and literature reviews, including targeted searches for AI methods, datasets, and technologies relevant to freight analytics, traffic safety, and operations (e.g., sensor fusion, computer vision, and multimodal AI)., • Prepare and integrate datasets for AI use cases, including cleaning, normalizing, enriching, and fusing multi-source data (e.g., traffic logs, imagery, weather, and permitting records) while addressing quality issues like inconsistency, sparsity, and bias., • Lead the design, development, and deployment of AI/ML models for transportation applications, including classifying oversized/overweight (OS/OW) vehicles using WIM data and imagery, crash prediction in TMCs, and generating synthetic data for model training., • Evaluate AI model performance under diverse conditions, such as varying data quality levels, and provide recommendations for improving model robustness, scalability, and trustworthiness in real-world transportation environments., • Support stakeholder outreach and engagement, including organizing peer exchanges, workshops, and technical briefings with state DOTs, MPOs, enforcement agencies, and vendors to gather insights on AI applications in WIM systems, permitting integration, and crash prediction., • Identify and pursue new opportunities with state DOTs for AI initiatives, including contributions to developing roadmaps, proposals, and implementation strategies for AI in ITS, such as anomaly detection, traffic optimization, and safety analytics., • Collaborate with cross-functional teams to ensure project alignment with FHWA goals, including risk management, quality assurance, and compliance with federal standards., • Provide technical leadership in monthly progress reporting, risk mitigation, and iterative model refinement based on federal feedback. Required Qualifications • Bachelor’s degree in computer science, Data Science, Artificial Intelligence, Electrical Engineering, Transportation Engineering, or a related field; Master's or Ph.D. preferred. * 5+ years of professional experience in data science and AI/ML, with demonstrated expertise in machine learning frameworks (e.g., TensorFlow, PyTorch, Scikit-learn), data processing tools (e.g., Pandas, NumPy), and AI techniques (e.g., deep learning, generative AI like GANs, computer vision). * Must have experience collaborating with state and local DOTs - developing new customers / Business Development experience * Must have a minimum of at least 2+ years of relevant non-academic experience. • Proven experience in data preparation and integration, including ETL processes, handling multimodal data (e.g., imagery, sensor data, time-series), and addressing data quality challenges in real-world applications., • Strong analytical skills with experience in model evaluation metrics (e.g., AUC, accuracy, scalability) and testing AI systems under varied conditions., • Excellent communication and collaboration skills, with experience in stakeholder engagement, technical reporting, and presenting complex AI concepts to non-technical audiences., • Ability to work in a fast-paced, research-oriented environment with travel up to 20% for stakeholder meetings and site visits., • Ability to obtain and maintain a Public Trust clearance (which includes three years of immediate residency in the US)., • All applicants must be legally authorized to work in the United States without company sponsorship. Preferred Qualifications • Prior experience working with state DOTs or federal transportation agencies (e.g., FHWA, USDOT) on AI initiatives, including developing AI roadmaps, implementations, or evaluations in ITS., • Demonstrated hands-on experience proposing, designing, developing, and deploying AI systems within ITS, such as for freight classification, traffic crash prediction, or WIM data analysis., • Familiarity with transportation-specific data sources (e.g., HSIS, SHRP2, NGSIM) and standards (e.g., SAE J2735 for V2X)., • Experience in synthetic data generation, generative AI (e.g., LLMs), or physics-informed ML for transportation applications., • Knowledge of federal AI governance, risk management, and equity considerations in transportation., • Project management experience, including leading AI tasks in multi-agency initiatives or contributing to communities of practice (CoPs)., • Publications or presentations in AI/transportation conferences (e.g., TRB, ITS America). Anticipated salary range for this role is $95,000-$130,000 At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.” If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in. October 3, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking a talented Junior Transportation Data Scientist at the junior level (professional experience in the transportation space is required) to support FHWA-funded projects at the intersection of AI, data science, and transportation. This role will involve assisting in the development and deployment of AI/ML models for applications such as vehicle load classification using weigh-in-motion (WIM) data and imagery, crash prediction in traffic management centers (TMCs), and creating data ecosystems for trustworthy AI. The ideal candidate will have foundational experience in AI model development, data integration, and stakeholder engagement, with a passion for exploring opportunities to apply AI in state-level transportation initiatives. This position offers the chance to contribute to innovation in a dynamic, federally supported research environment. Location: This role requires full-time on-site work at the customer site in McLean, VA. Learn about STOL here: ___ Candidates MUST: All applicants must be legally authorized to work in the United States with proof of legal status and be eligible for a Public Trust Clearance, which includes three (3) consecutive years in the United States within the last five (5) years. Primary Responsibilities • Assist in conducting data and literature reviews, including targeted searches for AI methods, datasets, and technologies relevant to freight analytics, traffic safety, and operations (e.g., sensor fusion, computer vision, and multimodal AI)., • Prepare and integrate datasets for AI use cases, including cleaning, normalizing, enriching, and fusing multi-source data (e.g., traffic logs, imagery, weather, and permitting records) while addressing quality issues like inconsistency, sparsity, and bias., • Contribute to the design, development, and deployment of AI/ML models for transportation applications, including classifying oversized/overweight (OS/OW) vehicles using WIM data and imagery, crash prediction in TMCs, and generating synthetic data for model training., • Evaluate AI model performance under diverse conditions, such as varying data quality levels, and provide recommendations for improving model robustness, scalability, and trustworthiness in real-world transportation environments., • Support stakeholder outreach and engagement, including organizing peer exchanges, workshops, and technical briefings with state DOTs, MPOs, enforcement agencies, and vendors to gather insights on AI applications in WIM systems, permitting integration, and crash prediction., • Assist in identifying and pursuing new opportunities with state DOTs for AI initiatives, including contributions to developing roadmaps, proposals, and implementation strategies for AI in ITS, such as anomaly detection, traffic optimization, and safety analytics., • Collaborate with cross-functional teams to ensure project alignment with FHWA goals, including risk management, quality assurance, and compliance with federal standards., • Contribute to monthly progress reporting, risk mitigation, and iterative model refinement based on federal feedback. Required Qualifications * Bachelor’s degree in computer science, Data Science, Artificial Intelligence, Electrical Engineering, Transportation Engineering, or a related field; Master's preferred. * Must have a minimum of one (1)+ years of PROFESSIONAL experience in the transportation space, data science, and AI/ML, with demonstrated familiarity in machine learning frameworks (e.g., TensorFlow, PyTorch, Scikit-learn), data processing tools (e.g., Pandas, NumPy), and AI techniques (e.g., deep learning, generative AI like GANs, computer vision). * MUST have experience with transportation-specific data sources (e.g., HSIS, SHRP2, NGSIM) and standards (e.g., SAE J2735 for V2X). * Strong experience in data preparation and integration, including ETL processes, handling multimodal data (e.g., imagery, sensor data, time-series), and addressing data quality challenges in real-world applications. * Strong analytical skills with familiarity in model evaluation metrics (e.g., AUC, accuracy, scalability) and testing AI systems under varied conditions. * Excellent communication and collaboration skills, with experience in stakeholder engagement, technical reporting, and presenting complex AI concepts to non-technical audiences.\ Ability to work in a fast-paced, research-oriented environment with travel up to 20% for stakeholder meetings and site visits. * Ability to obtain and maintain a Public Trust clearance (which includes three years of immediate residency in the US). * All applicants must be legally authorized to work in the United States without company sponsorship. Preferred Qualifications * Prior experience working with state DOTs or federal transportation agencies (e.g., FHWA, USDOT) on AI initiatives, including developing AI roadmaps, implementations, or evaluations in ITS. * Experience in synthetic data generation, generative AI (e.g., LLMs), or physics-informed ML for transportation applications. * Knowledge of federal AI governance, risk management, and equity considerations in transportation. * Project management experience, including leading AI tasks in multi-agency initiatives or contributing to communities of practice (CoPs). * Publications or presentations in AI/transportation conferences (e.g., TRB, ITS America). * Anticipated salary range for this role is $75,000-$100,000, depending on experience. At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.” If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in. December 9, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range $57,850.00 - $104,575.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking a Data Scientist to support national security customers by developing, deploying, and sustaining data-driven analytic solutions in classified environments. This role is suited for a strong individual contributor who applies data science methods to real-world mission problems while collaborating with subject matter experts and multidisciplinary technical teams. The Data Scientist will contribute across the full analytics lifecycle, including data ingestion, exploration, modeling, visualization, deployment, and ongoing operations and maintenance (O&M). Primary Responsibilities • Collaborate with government customers, analysts, engineers, and subject matter experts to understand mission needs and analytic objectives, • Assist in translating customer problems into data science tasks and project requirements, • Perform exploratory data analysis on structured and unstructured datasets, • Develop and apply statistical models, machine learning algorithms, and analytic workflows, • Create visualizations, reports, and briefings that clearly communicate analytic findings and insights, • Support deployment, monitoring, and operations and maintenance (O&M) of analytic solutions, • Document analytic methods, assumptions, and results in accordance with program and customer standards, • Bachelor’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 12+ years of relevant experience, or Master’s degree with 10+ years of relevant experience, • Demonstrated experience applying data science or analytics techniques to mission-relevant problems, • Proficiency in Python and/or R, including common data science libraries, • Experience working with databases and data query languages such as SQL, • Ability to communicate analytic results to both technical and non-technical audiences, • Experience supporting intelligence community, defense, or national security customers, • Familiarity with machine learning, predictive analytics, or natural language processing, • Experience with data visualization tools and techniques, • Exposure to big data or cloud-based analytics environments, • Strong analytical curiosity and problem-solving skills Active TS/SCI with Polygraph If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. January 14, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Leidos is seeking a Senior Data Scientist to provide technical leadership and advanced analytics expertise in support of mission-critical national security programs. This role supports customers operating in classified environments and requires close collaboration with subject matter experts, designers, engineers, analysts, and mission stakeholders to deliver innovative, operationally relevant data science and AI solutions. The Senior Data Scientist will lead complex analytics efforts across the full solution lifecycle—from problem definition and requirements development through design, implementation, deployment, and ongoing operations and maintenance (O&M). The ideal candidate brings deep technical expertise, strong mission awareness, and the ability to communicate analytic insights to senior decision-makers. Primary Responsibilities * Serve as a senior technical contributor and analytic lead on complex, high-impact national security programs * Partner with government customers and subject matter experts to define mission problems and analytic objectives * Translate ambiguous operational challenges into actionable data science requirements and solution designs * Design, develop, and deploy advanced analytics, statistical models, and machine learning solutions * Apply advanced data science techniques including exploratory data analysis, feature engineering, predictive modeling, hypothesis testing, and algorithm development * Integrate structured and unstructured data from diverse sources across classified environments * Communicate analytic findings, insights, and recommendations to senior technical and non-technical stakeholders * Support deployment, monitoring, and ongoing operations and maintenance (O&M) of analytic solutions * Mentor and guide junior data scientists and contribute to analytic standards, best practices, and reusable frameworks * Maintain awareness of emerging data science, AI, and big-data technologies relevant to national security missions Basic Qualifications * Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 15+ years of relevant experience, or Bachelor’s degree with 18+ years of relevant experience * Extensive experience applying data science and advanced analytics to complex, mission-focused problems * Expert-level proficiency in Python and/or R, including advanced data science and machine learning libraries * Strong experience working with large, complex datasets from multiple sources * Demonstrated ability to lead technical efforts and influence analytic direction on large or complex programs * Strong written and verbal communication skills, including briefing senior leaders * Must hold an active TS/SCI clearance with Polygraph Preferred Qualifications * Experience supporting intelligence community, Department of Defense, or other national security customers * Experience operating in classified computing environments * Expertise in one or more advanced domains such as machine learning, natural language processing, computer vision, graph analytics, or predictive modeling * Experience with cloud-based or enterprise analytics platforms * Demonstrated experience mentoring technical staff or serving as a technical lead * Demonstrated experience providing instruction, instructional design, or curriculum development Clearance Requirement Active TS/SCI with Polygraph If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. January 14, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Masters or PhD degree in Mathematics Statistics Data Science Physics or a related field (Computer Sciences). Guide the development of data analytics products AI services and enterprise data science capabilities. Experience applying architectural governance technical standards cloud engineering best

Are you passionate about utilizing AI algorithms, including cutting-edge Generative AI solutions, to enhance decision making for critical missions? Join the Amazon Web Services (AWS) US Federal Professional Services team, where we partner with the US Intelligence Community and other public sector en

You are responsible for data extraction and manipulation of data sets resulting in workflows and predictive models for end-users using system tools (dashboards). We are actively seeking Data Scientists/ Analysts with a minimum of 16 years' experience. We are seeking Systems Engineers to perform as a

Current role demand (expressed with variety) SynergisticIT commonly supports hiring pipelines for roles such as junior software programmer, Java full stack engineer, Python/Java developer, DevOps/cloud engineer, plus data-track roles like data analyst, BI analyst, data engineer, data scientist, and

Responsibilities Work with large DEA data using descriptive statistics and data visualization tools Create insights from existing DEA data, and drive the collection of new data and ways to address new data Collaborate with clients and team members to understand and communicate results, and to put in

This includes all large-site, large parcel types – shipping and logistic centers, large commercial tracts, technology campuses, and data centers. Data center, oil & gas, energy, or other mission-critical environments.

Loudoun Water is the water and wastewater authority serving Loudoun County, Virginia – a suburb of Washington, DC and one of the fastest growing counties in the United States.The County is home to a population of more than 420,000 residents, and continued growth is anticipated, bolstered by a new

Provide incredible customer service by demonstrating patience, empathy and care in a fast-paced environment Perform accurate dosage calculations and conversions using basic math skills while adhering to all regulatory standards and company policies to ensure safe and compliant medication preparati

Current role demand (expressed with variety) SynergisticIT commonly supports hiring pipelines for roles such as junior software programmer, Java full stack engineer, Python/Java developer, DevOps/cloud engineer, plus data-track roles like data analyst, BI analyst, data engineer, data scientist, and

This includes all large-site, large parcel types shipping and logistic centers, large commercial tracts, technology campuses, and data centers. Data center, oil & gas, energy, or other mission-critical environments.

The main function of a non-IT project manager is to plan direct or coordinate activities in such fields as engineering research and development, financial systems, and product roll-out, etc.Coordinate projects making detailed plans to accomplish goals and directing the integration of technical activ

Facilities/Construction Project Manager/h2pNightwing is seeking an experienced and cleared Facilities/Construction Project Manager to work as part of a collaborative, multidiscipline team in support of U.The right candidate will work within the customer environment individually and as part of a uniq

We specialize in Data Analytics, Cloud Computing, IT Engineering, Application Development, and Cyber Security.

Oversee all on-site construction activities to ensure compliance with project plans, specifications, and schedules.Conduct daily site inspections to monitor progress and quality of work.Coordinate with subcontractors, suppliers, and other project team members to ensure efficient work flow and resour

At BAE Systems, we're passionate about harnessing the power of technology to drive innovation and make a meaningful impact.Our team is dedicated to delivering cutting-edge solutions that support our government customer's mission-critical objectives.We're now seeking a highly skilled IT Project Manag

CyLogic is looking for an experienced Technical Project Manager to join our team in Ashburn, VA.In this role you will be the bridge between business and engineering, collaborating with cross-functional teams to turn complex requirements into successful, well-executed technical solutions.The Technica

Principal Research Scientist – AI & Machine Learning. We are hiring a Principal Research Scientist to lead cutting-edge programs in AI, computer vision, and intelligent systems.

Support clients with file and data inquiries such as file errors and warnings, updating inaccurate data, submission schedules, etc. Process and analyze data files to ensure they meet organizational data integrity standards and compliance reporting requirements, as appropriate. Working with data, and

Construction Project Manager/h2pThe Construction Project Manager is responsible for overseeing all aspects of construction projects, including planning, budgeting, scheduling, and implementation.The successful candidate will work closely with contractors, architects, and other stakeholders to ensure

Perform data curation, model evaluation, and system integration. Experience with geospatial data (PostGIS, GeoJSON, QGIS). Familiarity with Kubernetes and distributed data systems.

They specialize in construction management for building data centers and hospitals.

Assistant Vice President, Project Manager/h2pkW Mission Critical Engineering, a WSP company, is currently looking for an Assistant Vice President, Project Manager for our Tempe, AZ, Atlanta, GA, Milwaukee, WI, Herndon, VA, or Troy, NY office.As a Senior Project Manager with us, you will lead a diver

This includes all large-site, large parcel types – shipping and logistic centers, large commercial tracts, technology campuses, and data centers. Strongly Valued: Data center, oil & gas, energy, or other mission-critical environments.

Ability to define problems, collect data, establish facts, and draw valid conclusions; interpret an extensive variety of technical instructions in mathematical or diagram form and deal with several abstract and concrete variables.

The qualified Project Manager will have experience leading integrated security projects within Data Centers, Health Care Facilities, Large Commercial Sites, Detention Centers, Sensitive Government Facilities, and other Commercial Projects from $100,000 to $3,000,000.

Our construction and service (mechanical and electrical) experience includes a broad range of commercial and government projects, including data centers, hospitals, sports stadiums, convention centers, hotels, and research laboratories. Our construction and service (mechanical and electrical) experi

Prior experience in Data Center industry and knowledge of Power and Thermal products. We design, manufacture and service the mission-critical infrastructure technologies for vital applications in data centers, communication networks and commercial and industrial environments.

The Training Lead (Project Manager I) is responsible for developing, delivering, and maintaining comprehensive training programs that ensure all Technology Service Desk (TSD) personnel are equipped with the knowledge, skills, and resources to meet CBP's mission-critical requirements.This role requir

Senior Project Manager, Environmental Compliance.Director of Stormwater Compliance.DFM is a local firm dedicated to providing red tape consulting services to the Real Estate Development and AEC industry.We are an organization that fosters a vibrant culture, thrives on energy, creativity, and growth.

Vantage Construction is searching for a talented project manager with 6-10 years' experience in commercial construction specifically base building and tenant interiors.Our ideal candidate is a personable and tenacious self-starter skilled in all aspects of base building and tenant interior projects

About the job Project Manager (US).Title: Project Manager (TRIRIGA/AWS).Quantum Strides LLC is a leader in Integrated Workplace Management Solutions (IWMS) space specializing in solutions for Real Estate and Asset management, Capital Projects, Space & Move management, Operations & Maintenance and Su

Come join our team! At Unlimited Technology, we are committed to our company's core values of Passion, Collaboration, Innovation and Adaptability.With offices throughout the United States, we are a premier cyber and physical security specialty contractor, and we are growing at a rapid pace.We have a

Our client, a leading organization in the data center and construction industry, is seeking a Construction Project Manager to join their team. As a Construction Project Manager, you will be part of the Northern Virginia project support team, assisting in managing leased data center projects. Opportu

Vertical Mechanical Group (VMG).Our commitment to exceptional customer service and innovative mechanical solutions drives our continued growth.When you join VMG, you become part of a collaborative, close-knit team that values integrity, accountability, and professional development.Your success direc

Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin.Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation.We offer a wide range of job opportunities,

Establishes and clarifies project-specific goals related to schedule, safety, accounting, labor relations, EEO, and data processing/reporting.

Kimley-Horn's Reston, Virginia (VA) office is seeking a Civil Engineer with 6+ years of experience to join their Surface Water team! This is not a remote position.Support our growing water resources practice and will require working with multi-disciplinary teams for a variety of existing and new pub

Our construction and service (mechanical and electrical) experience includes a broad range of commercial and government projects, including data centers, hospitals, sports stadiums, convention centers, hotels, and research laboratories. Our construction and service (mechanical and electrical) experi

Data center, Sports Venues or Stadium experience is advantageous but not essential.

This role will act as the client-side delivery partner, overseeing internal scopes and coordinating contractors to ensure successful execution of all mission-critical systems.Represent the client as part of a.Oversee internal works including.MEP, electrical, mechanical, fire protection, controls, an

Kimley-Horn has an opportunity for a motivated Senior Project Manager to expand our Land Development practice in one of our NOVA/DC area offices!.The qualified individual will lead a Land Development team while building and managing relationships with key clients.Leadership responsibilities include: