NewSenior C++ Software Engineer - Multi-Mission Planning Development Johns Hopkins Applied Physics Laboratory (APL)Senior C++ Software Engineer - Multi-Mission Planning DevelopmentLaurel, MDIn A5C, we develop and deploy advanced planning capabilities and solutions directly into the hands of the warfighter, empowering them to design dominant defenses for maximum performance across multiple simultaneous multiple missions, multiple services, and multiple command echelon planning levels and domains. Are you passionate about applying your talents to address the difficult challenges facing our warfighters such as Operationalizing Artificial Intelligence to support Achieving Robust Homeland and Theater Defenses, Accelerating Warfighting Capabilities in INDOPACOM, or Enabling Space Superiority? .
NewSenior Nuclear Surety Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Nuclear Surety Systems EngineerLaurel, MDServe as the Lab’s focal point and thought leader for nuclear surety engineering with emphasis on leveraging and implementing systems engineering principles to enhance strategic systems nuclear surety design and modifications. Are you interested in applying technical leadership, innovation, system engineering skills, and specialty nuclear surety expertise toward the difficult critical challenges of ensuring the safety and security of this nation’s most critical defense systems?.
NewSenior Data Fusion and Tracking Systems Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Data Fusion and Tracking Systems EngineerLaurel, MDThe Multi-Domain Sensing Architectures and Data Fusion Group develops advanced sensing, tracking, and data fusion algorithms that enable next-generation air and missile defense capabilities. Have experience developing and evaluating tracking algorithms through modeling, simulation, analysis, and test data assessment using MATLAB, Python, C/C++, Julia, or similar scientific programming languages.
NewSenior System Realization and Resilience Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior System Realization and Resilience EngineerLaurel, MDYou will participate as a systems engineer on various projects, studies, and technical working groups focusing on requirements development, analysis, concept/technology development, acquisition, test planning and execution, system evaluation, and risk assessments across the program lifecycle. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Software Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Software EngineerLaurel, MDModel and apply solid engineering practices around architectural design, testability, scalability, and maintainability, including modular development, design patterns, and effective integration of AI-assisted development into team workflows. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Wireless Reverse Engineer Johns Hopkins Applied Physics Laboratory (APL)Senior Wireless Reverse EngineerLaurel, MDHave deep knowledge of digital communications, signal processing, software-defined radio receiver design, modulation/demodulation, synchronization, channel coding, statistical signal processing, or detection theory. Have extensive experience with reverse-engineering platforms such as Ghidra, IDA Pro, Binary Ninja, or similar tools and with reverse engineering embedded devices, communications firmware, or wireless protocols.
NewSenior Relay Engineering Analyst Constellation EnergySenior Relay Engineering AnalystLaurel, MDHas completed assigned skills and knowledge development training (applicable Advanced Engineering, EPRI, and Constellation University training or industry provided training) to develop expert level of knowledge in designated areas. Recommends equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations.
NewSenior Ontologist (TS/SCI cleared) Johns Hopkins Applied Physics Laboratory (APL)Senior Ontologist (TS/SCI cleared)Laurel, MDThe Threat Analytic Systems (QAI) Group wants talented staff who can work as part of a team to provide our nation with ground-breaking capabilities that bridge the gaps between data, real-world events and people, and prediction of events of national importance. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
NewSenior Ontologist Johns Hopkins Applied Physics Laboratory (APL)Senior OntologistLaurel, MDThe Threat Analytic Systems (QAI) Group wants talented staff who can work as part of a team to provide our nation with ground-breaking capabilities that bridge the gaps between data, real-world events and people, and prediction of events of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
NewSenior Analytics Engineer PrefectSenior Analytics EngineerWashington DC, DC$173,000–$222,000 / yearBetween those two points sits our go-to-market data: product telemetry in Amplitude, the warehouse, Salesforce, campaign and channel spend, community signals, and an uncomfortable number of different systems and touch points. • Model the sales funnel end to end, from source through MQL, SQL, pipeline, and closed won, including stage conversion and velocity, using Salesforce data as it actually is rather than as the schema claims.
NewSenior Software Engineer/Architect - TS SCI cleared Johns Hopkins Applied Physics Laboratory (APL)Senior Software Engineer/Architect - TS SCI clearedLaurel, MDThe Threat Analytic Systems (QAI) Group wants talented staff who can work as part of a team to design, implement, test, document, and maintain software applications that provide highly impactful capabilities. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Senior Systems Engineer LeidosSenior Systems EngineerLaurel, MD$131,300–$237,350This may include decomposing features into workable stories, prioritizing or reprioritizing items in the backlog for upcoming sprints, refining acceptance criteria and complexity estimates or removing tickets that are no longer relevant. Leidos has an exciting opening for you, as our next TS/SCI cleared Senior Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP).
Senior DevOps Engineer LeidosSenior DevOps EngineerBurke, VA$107,900–$195,050p>The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. June 1, 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.
NewSenior Robotics Engineer for Tailored Autonomous Systems Group Johns Hopkins Applied Physics Laboratory (APL)Senior Robotics Engineer for Tailored Autonomous Systems GroupLaurel, MDAs a senior member of the team, you will serve as a technical leader across multiple projects, working closely with sponsors, engineers, and researchers to define system architectures, guide technical execution, and transition advanced capabilities into operational use. The Tailored Autonomous Systems Group (QPJ) is seeking a Senior Robotics & Autonomous Systems Engineer to provide technical leadership for the design, development, integration, testing, and deployment of advanced robotic and autonomous systems.
Senior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI Required LeidosSenior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI RequiredAnnandale, VA$92,300–$166,850The analyst will work closely with Intelligence Community (IC) partners, geographic names experts, and multi-INT analysts to ensure imagery-derived assessments are geospatially precise, linguistically accurate, and operationally relevant. Bachelor’s degree and 12+ years of relevant experience, or Master’s degree and 10+ years of relevant experience in Data Science, Computer Science, Analytics, or related field.
Senior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI Required LeidosSenior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI RequiredWoodbridge, VA$92,300–$166,850The analyst will work closely with Intelligence Community (IC) partners, geographic names experts, and multi-INT analysts to ensure imagery-derived assessments are geospatially precise, linguistically accurate, and operationally relevant. Bachelor’s degree and 12+ years of relevant experience, or Master’s degree and 10+ years of relevant experience in Data Science, Computer Science, Analytics, or related field.
Medical Science Liaison / Senior Medical Science Liaison (Mid-Atlantic) Medexus Pharmaceuticals IncMedical Science Liaison / Senior Medical Science Liaison (Mid-Atlantic)Washington, DC$170,000–$210,000 / yearThe Medical Science Liaison / Senior Medical Science Liaison functions as a highly trained, eld-based, scientic expert who engages external stakeholders (HCPs, researchers, professional organization leadership, patient advocacy groups, and Payors and managed care organizations, and formulary decision makers) in the assigned Therapeutic Areas (Tas) across the aligned geography. MSLs / Senior MSLs are responsible for developing and enhancing partnerships with key opinion leaders (KOLs) by engaging in scientific exchange and other scientific information in a fair and balanced manner and provide scientific support for Medexus' pipeline.
Senior Science Advisor - Circuits Systems Planning And Analysis, Inc.Senior Science Advisor - CircuitsArlington, VAQualifications Required: PhD in one of the above or similar technical fields 18+ years of experience with supporting the DoW in optics, photonics, physics, materials, AI/ML, mathematics engineering, quantum, chemistry, biology, and/or other scientific disciplines and related efforts Active Secret clearance Extensive published articles in Field of Expertise with demonstrated international recognition and thought leadership within the scientific community Strong oral and written communication skills required to advise senior government personnel and present complex scientific concepts to diverse audiences Able to work fully onsite based on client needs Desired: * Apply experience with basic and applied research and prior experience as a government technical Program Manager or senior SETA contractor is highly desirable. Our team of experienced military, technical, and operations research analysts is skilled in evaluating military problems, identifying the driving factors, devising innovative approaches, collecting applicable data, developing necessary software tools, and performing thorough and timely assessments to inform technology and acquisition governance decisions to ensure U.S. military forces retain military superiority in the future.
Senior Science Content & Digital Media Specialist (SME II) FedWritersSenior Science Content & Digital Media Specialist (SME II)Silver Spring, MD$102,866.40–$108,280.42 / yearWork Schedule and Location: In-person presence required at one of the following locations: Air Resources Laboratory (College Park, MD); Pacific Marine Environment Laboratory (Seattle, WA); David Skaggs Research Center (Boulder, CO); Global Fluid Dynamics Laboratory (Plainsboro, NJ); Atlantic Oceanographic and Meteorological Laboratory (Miami, FL); National Severe Storms Laboratory (Norman, OK); Great Lakes Environment Research Laboratory (Ann Arbor, MI); or NOAA SSMC3 (Silver Spring, MD). As a Science Content & Digital Media Specialist supporting NOAA''s Oceanic and Atmospheric Research (OAR), you will be embedded at a NOAA laboratory or program, providing day-to-day writing, visual content creation, and editorial support across digital, social media, and print platforms.
Senior Scientist - Strategic Health Sciences TRC Companies IncSenior Scientist - Strategic Health SciencesHerndon, VA$145,000–$165,630.40 / yearWe are seeking a highly experienced Senior Scientist or Engineer - Sector/Industry Lead who is recognized within the industry as a leader in chemical management and/or product stewardship and provides strategic scientific leadership to help global organizations navigate a rapidly evolving and complex regulatory landscape. The ideal candidate is a seasoned professional with in-depth understanding of emerging and current trends, technologies, and regulations needed to develop innovative solutions and drive measurable impact across chemical product life-cycle management for private sector and government entities.