Data Scientist (Remote) CrowdStrike IncData Scientist (Remote)VARemote$120,000–$180,000 / yearPost-train LLMs and agents - supervised fine-tuning and reinforcement learning (RLHF/RLAIF, PPO/GRPO/DPO, reward modeling) - to automate analyst procedures and improve reliability on real security tasks. You'll work where Machine Learning, Big Data, and Cybersecurity converge - training models, building AI agents, and rigorously measuring whether they work - on data and problems you won't find anywhere else.
AI Data Scientist Expert - Remote YO AI LabsAI Data Scientist Expert - RemoteWashington D.C., DCRemoteWe are seeking experienced AI Data Science Domain Experts to contribute their expertise to an innovative project focused on advancing next-generation AI systems. In this role, you will review, evaluate, and refine AI-generated technical and analytical content to improve model accuracy, reasoning, and overall performance.
Director, Medical Affairs Medical Science Liaison - Mid-Atlantic Iovance Biotherapeutics IncDirector, Medical Affairs Medical Science Liaison - Mid-AtlanticDCRemote$210,000–$245,000 / yearThe Director, Medical Affairs (Medical Science Liaison) is a field-based medical leader responsible for shaping and executing regional field medical strategy for Iovances developmental and marketed products through high-impact scientific exchange, generation and communication of actionable medical insights, and cross-functional partnership. Develop and sustain strategic relationships with healthcare professionals and clinical investigators in academic and community settings; proactively identify scientific collaboration opportunities aligned with the medical plan (e.g., publications, advisory boards, investigator-initiated research support, and clinical trials, as applicable) and partner with internal stakeholders to enable execution.
Medical Science Liaison II, Screening Guardant Health IncMedical Science Liaison II, ScreeningWashington, DCRemote$164,900–$226,750 / yearPrimary Location: Remote-USA-NY Primary Location Base Pay Range: $164,900 - $226,750 Other US Location(s) Base Pay Range: $164,900 - $226,750 If the role is performed in Colorado, the pay range for this job is: $164,900 - $226,750. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer.
Medical Science Liaison II - Pacific Northwest, Screening Guardant HealthMedical Science Liaison II - Pacific Northwest, ScreeningWashingtonRemotePrimary Location: Remote - Open Position (USA) Primary Location Base Pay Range: $164,900 - $226,750 Other US Location(s) Base Pay Range: $164,900 - $226,750 If the role is performed in Colorado, the pay range for this job is: $164,900 - $226,750. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer.
Principal Scientist – AI/ML Specialization - WFH1651 (Remote) Global InfoTek, Inc.Principal Scientist – AI/ML Specialization - WFH1651 (Remote)Reston, VARemoteThe Principal Scientist leads independent, hands-on analysis of NDF (Network Description File) sensor datasets, provides technical direction across parallel research threads, and serves as the primary technical advisor to the government sponsor. Design and execute analytical investigations into RF sensor data quality, emitter behavior, and attribution reliability — including characterizing error sources, identifying systematic artifacts, and developing methods to distinguish real physical signatures from sensor or processing artifacts.
Data Scientist (Remote) ELDER RESEARCH INCData Scientist (Remote)Arlington, VARemoteRequirements: MUST HAVE Six (6) years of relevant experience in applied research, big data analytics, statistics, applied mathematics, data science, computer science, operations research or other closely related other quantitative or mathematical discipline. By prioritizing a healthy work-life balance - with reasonable hours, solid pay, low travel, and extremely flexible time off - Elder Research enables and encourages its employees to serve others and enjoy their lives.
Clinical Training Specialist (Clinical Science Liaison – CSL) Albany/Rochester, NY Siemens HealthineersClinical Training Specialist (Clinical Science Liaison – CSL) Albany/Rochester, NYWashingtonRemoteExport Control: “A successful candidate must be able to work with controlled technology in accordance with US export control law.” “It is Siemens Healthineers’ policy to comply fully and completely with all United States export control laws and regulations, including those implemented by the Department of Commerce through the Export Administration Regulations (EAR), by the Department of State through the International Traffic in Arms Regulations (ITAR), and by the Treasury Department through the Office of Foreign Assets Control (OFAC) sanctions regulations.”. Varian Medical Systems, a Siemens Healthineers company is hiring a Clinical Training Specialist (CSL) for the Albany/Rochester, NY area supporting Varian Interventional Solutions (VIS) by providing in‑person case coverage, clinical education, and first-line technical support for VIS products.
Senior Software Engineer (Remote Sensing) UmbraSenior Software Engineer (Remote Sensing)Reston, VARemote$155,000–$185,000Umbra’s ecosystem operates through three business units: Remote Sensing (the data), Space Systems (the components), and Mission Solutions (the platforms).Together, our teams develop capabilities that deliver persistent access, resilient performance, and mission-ready solutions, advancing U.S. space leadership while keeping the world safe and informed. This engineer will contribute to software systems across our mission planning, scheduling, command, control, and communications domains, partnering with product owners and multidisciplinary engineering teams to develop and operate the services that enable spacecraft operations at scale.
JavaScript Developer (Remote) Oxley Enterprises®, Inc.JavaScript Developer (Remote)Stafford, VARemote$89,759–$117,910 / yearFull timeMinimum/General Experience: 5 years of JavaScript development experienceMinimum Education: Bachelors' Degree in computer science or a related fieldEssential Skills/Qualifications:Excellent proficiency in JavaScript developmentAbove average proficiency in TypeScript developmentAbove average proficiency with the React 18 frameworkAbove average proficiency with GitHub for source controlAbove average proficiency with Prometheus for monitoring and loggingExperience with Continuous Integration Continuous Delivery (CI/CD) pipeline configurations and tools (e.g., Jenkins, Harness, Nexus, SonarQube, HashiCorp Vault)Ability to monitor dashboards (e.g., Grafana) for tracking system health and key metricsExperience with container images and GOLD image promotion pipelinesExperience working in an Agile methodology development environmentExperience supporting a federal agencyExcellent verbal and written communication skillsExcellent ability to work effectively in a team and with clientsExperience supporting development in a healthcare environment (preferred)General Physical Requirements needed to perform the essential functions of this job may vary based on the location of the assignment. If you require a reasonable accommodation to apply for a position at Oxley Enterprises, Inc., please send an email to our Human Resources Department at: careers@oxleyenterprises.com with the following information:Subject Line: Accommodation RequestProvide a description of your accommodation requestInclude your contact information: Full name, Email address, Best number to reach you (optional)We participate in the E-Verify program.
ON-CALL Lead Environmental Scientist (REMOTE ROLE) ICF International IncON-CALL Lead Environmental Scientist (REMOTE ROLE)Reston, VARemote$55,665–$94,631 / yearPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. Job Description: ICF seeks an Environmental Scientist to provide technical and training support for our U.S. Environmental Protection Agency (EPA) projects with the Office of Superfund and Emergency Management (OSEM), Office of Brownfields and Land Revitalization (OBLR), and Office of Resource Conservation and Recovery (ORCR).
Corporate Program Manager (Remote, must be local to the Maryland area) Axiom ConsultantsCorporate Program Manager (Remote, must be local to the Maryland area)Rockville, MDRemoteFull timeHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. The CPM serves as the primary liaison between corporate leadership, program teams, federal clients, and subcontractors to ensure successful contract execution, workforce management, and delivery of high-quality technical and scientific support services.
Senior Network Security Engineer :: Bethesda, MD (Remote) ARK Solutions, Inc.Senior Network Security Engineer :: Bethesda, MD (Remote)Bethesda, MDRemoteSeeking for a Senior Network Security Engineer where you will be a technical leader responsible for designing and implementing our network security strategy and firewall management platforms. Collaborate with a global team of network architects and engineers to enhance our security operations and ensure compliance across all networks.
Junior ETL Developer :: Washington, DC (Remote) ARK Solutions, Inc.Junior ETL Developer :: Washington, DC (Remote)Washington, DCRemoteDesign, develop, test, and execute ETL processes to migrate data from legacy Oracle and Microsoft SQL Server environments into Pega-based applications. Support data migration and integration for a cloud-based case management platform using Pega, AWS, Informatica, and relational databases.
Databricks Engineer :: Washington, DC (REMOTE) ARK Solutions, Inc.Databricks Engineer :: Washington, DC (REMOTE)Washington, DCRemoteThis role involves designing and optimizing data solutions, implementing the Medallion Architecture, managing data governance through Unity Catalog, and supporting CI/CD processes for reliable data deployments. Seeking for a Databricks Data Engineer with experience building scalable data pipelines using the Databricks Lakehouse Platform, PySpark, and SQL.
NewAI Security Platform Lead :: Bethesda, MD (REMOTE) ARK Solutions, Inc.AI Security Platform Lead :: Bethesda, MD (REMOTE)Bethesda, MDRemote8 years in software engineering or architecture; 5 years in security engineering or platform development. Manage a small, agile team while contributing hands-on to platform development and architecture.
NewSoftware Development Engineer :: Bethesda, MD (Remote) ARK Solutions, Inc.Software Development Engineer :: Bethesda, MD (Remote)Bethesda, MDRemoteThorough knowledge of automated testing design, data-driven test development techniques, and test validation. Ability to automate functional, regression, integration, and end-to-end test scenarios across web and API layers.
Lead Certified CMMC Assessor (CCA) Consultant | Remote | 1 week Consulting Project IBSS CorporationLead Certified CMMC Assessor (CCA) Consultant | Remote | 1 week Consulting ProjectSilver Spring, MDRemote$50–$70 / hourIf you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to the Talent Acquisition Department at Recruiting@ibsscorp.com. Our services include cybersecurity and enterprise information technology, environmental science and engineering (including oceans, coasts, climate, and weather), and professional management services.
NewIPv6 Subject Matter Expert (Remote) Reveille GroupIPv6 Subject Matter Expert (Remote)Washington, DCRemoteThe Senior Network Engineer/IPv6 SME shall operate independently as a senior technical advisor and be capable of leading architecture discussions, challenging designs when appropriate, identifying risks/dependencies, developing remediation strategies, leading complex troubleshooting, coordinating across teams, mentoring personnel, and briefing senior stakeholders. We are seeking an experienced IPv6 Subject Matter Expert (SME) to provide technical leadership, architecture guidance, and hands-on expertise across designing, implementing, and troubleshooting enterprise-scale IP networks.
Critical Facilities Strategy Consultant Remote / Traveler PkazaCritical Facilities Strategy Consultant Remote / TravelerAshburn, VARemoteMust be fully competent in the skills required to correctly Interpret electrical one-line drawings reflecting facility electrical systems from utility to point of distribution in a mission critical space(s) (raised floor computer room) including utility meters, electrical switchboards, circuit breakers, UPS systems, power distribution units, control panels, generators, transfer switches, and facility infrastructure metering stations. Must be fully competent in the skills required to correctly interpret a mechanical one-line drawing reflecting facility HVAC (Heating, Ventilation, Air-Conditioning) systems typically employed in mission critical facilities from central mechanical cooling to computer room air conditioner (or air handling unit).