Software Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSoftware Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIREDAnnapolis Junction, Maryland$150,000–$200,000 / yearThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Python, JAVA, C++, JavaScript, Spark analytics, Jupyter Notebooks, GHOSTMACHINE, MapReduce Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.
Senior Backend Software Engineer The Washington Post CompanySenior Backend Software EngineerWashington, DC$119,700–$199,300 / yearBeyond our award-winning Newsroom and Opinions teams, we work across many departments, including Brand & Events, Communications, Customer Care, Engineering & Product, Finance, Human Resources, Legal, Marketing & Advertising, Print Operations, and Sales. As a senior engineer, you will collaborate with cross-functional teams to build and own the platform on top of which AI/ML models are delivered and maintain critical data pipelines that feed product and ML decision-making.
Senior Solutions Architect, Generative AI Deployment and AIOps NVIDIA CorpSenior Solutions Architect, Generative AI Deployment and AIOpsMDAt NVIDIA, our solutions architects work across different teams and enjoy helping customers with the latest Accelerated Computing and Deep Learning software and hardware platforms. You will become a trusted technical advisor with our customers and work on exciting projects and proof-of-concepts focused on inference for Generative AI and Large Language Models (LLMs).
Senior Software Engineer II (Hybrid) Kaplan, Inc.Senior Software Engineer II (Hybrid)Washington, DCHands-on experience containerizing and migrating serverless workloads (e.g., Azure Functions) to AWS using Docker and ECS/EKS, including configuration/secrets management and CI/CD-driven deployments. Convert Azure Functions code into portable, containerized services (Docker), refactoring code, externalizing config/secrets, writing build/run scripts, and deploying/debugging on AWS (ECS/EKS) through automated CI/CD.
Databricks Platform & Database Engineer CoStar Group IncDatabricks Platform & Database EngineerArlington, VA$136,000–$177,000 / yearCoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. Deploy, administer, and maintain Databricks workspaces on AWS, including workspace configuration, network settings, access management, Runtime versions, cluster configurations, libraries, and init scripts across dev, staging, and production.
Sr./Principal Scientist, Analytical Development & QC Workforce GeneticsSr./Principal Scientist, Analytical Development & QCBaltimore, MarylandThe role generates and executes protocols and validation documents, drafts procedures and QC work instructions, defines sampling and test plans, and ensures day-to-day QC lab activities are organized, compliant, and aligned with GMP and ISO 13485 expectations. Establish and maintain LifeSprout’s analytical assay strategy, including selection of fit-for-purpose methods, justification of assay suitability, definition of acceptance criteria, and alignment of development, qualification, validation, and transfer activities with current industry expectations.
Scientist/Associate (Ph.D.) Exponent Inc.Scientist/Associate (Ph.D.)Bowie, Maryland$140,000–$162,000 / yearFull timeThe successful candidate will possess extensive practical knowledge of the physical, chemical, and mechanical behavior of macromolecules and will be highly skilled in a range of analytical and experimental techniques including rheology, mechanical testing, microscopy, fractography, HPLC, GC, FTIR, DSC, TGA, and DMA. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.
Cleared Computer Vision Scientist Accenture Federal ServicesCleared Computer Vision ScientistWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $108,400—$203,400 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Computer Scientist AeroVironment IncComputer ScientistMD$125,000–$196,875 / yearIn this role, you will provide expert support across both hardware and software initiatives, conduct rigorous configuration validation to ensure system integrity, and deliver essential backup system administration to maintain continuous operational capability. In order to comply with the requirements of the ITAR and/or the EAR, applicants must qualify as a U.S. person under the ITAR and the EAR, or a person to be approved for an export license by the governing agency whose technology comes under its jurisdiction.
Applied Spectroscopy Scientist Johns Hopkins Applied Physics LaboratoryApplied Spectroscopy ScientistLaurel, MarylandFull timeYou will support the design, modeling, and testing of advanced optics and photonics systems, including EO/IR sensors, radiometric measurements, applied spectroscopy, and material characterization in laboratory and operational environments. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Cryptologic Computer Scientist-2 LeidosCryptologic Computer Scientist-2Odenton, MarylandDesirable Skills : Relevant experience in computer systems research; simulation/model development and prototyping; software design; programming; computational science; algorithm analysis and design; reverse engineering; and/or designing/developing computer or information systems, including engineering hardware and/or software. Technical Proficiency : Develop solutions for problem sets such as forensics and attack attribution, protection of critical networks, active systems warnings and indicators, active penetration into target systems, knowledge discovery of passive and active systems, or other cryptologic computer science mission support.
Wetland Scientist (PWS) VerdantasWetland Scientist (PWS)WashingtonPrepare and review high-quality technical documents such as wetland delineation reports, critical area reports, jurisdictional determinations, mitigation plans, HPA, and Section 404/401 permit applications. Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve.
Industrial Hygiene Scientist KCI Technologies Inc.Industrial Hygiene ScientistSparks, MarylandInterpret laboratory analytical results and prepare clear, concise technical reports outlining findings, exposure risks, and recommended corrective actions. This position conducts fieldwork, interprets data, and prepares comprehensive reports for clients and regulatory bodies.
Computational Scientist – Metasurfaces, Photonics, and Inverse Design Johns Hopkins Applied Physics LaboratoryComputational Scientist – Metasurfaces, Photonics, and Inverse DesignLaurel, MarylandFull timeBecause our research portfolio spans a variety of topics, success in this role requires curiosity, technical independence, and the ability to quickly learn new physics, methods, and tools from textbooks and scientific literature. 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.
Cryptologic Computer Scientist LeidosCryptologic Computer ScientistOdenton, MarylandJune 4, 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. 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.
AI and ML Engineer Booz Allen HamiltonAI and ML EngineerAnnapolis Junction, MarylandYou’ll be part of a large community of ML engineers across the company and collaborate with data scientists, solutions architects, subject matter experts, product owners, and end users to deliver world class AI/ML solutions to a wide variety of national security problems. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
AI And ML Engineer Booz Allen Hamilton Inc.AI And ML EngineerAnnapolis Junction, MD$99,000–$225,000 / yearYou'll be part of a large community of ML engineers across the company and collaborate with data scientists, solutions architects, subject matter experts, product owners, and end users to deliver world class AI/ML solutions to a wide variety of national security problems. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Al Engineer Noblis IncAl EngineerBethesda, MD$109,800–$171,525 / yearCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Bachelor's degree in B-STEM with 3 years of experience OR Master's Degree in B-STEM with 0 years of experience OR associate's degree with 6 years of experience OR High-School/High School equivalency diploma with 9 years of experience.
Forensic Scientist (Crime Scene)/Crime Scene Analyst District Of ColumbiaForensic Scientist (Crime Scene)/Crime Scene AnalystWashington, DCCollects fingerprints/palm prints, tire and shoe prints, tool mark impressions, firearms, hair, clothing, fibers, and biological evidence or any other physical evidence deemed necessary to facilitate positive identification and/or elimination. Collective Bargaining Unit: This position is covered under a collective bargaining agreement, National Association of Government Employees (NAGE) Local R3-09, and subject to pay an agency service fee (union dues) through direct payroll deduction.
Acquisition & Sustainment Subject Matter Expert (SME) Redhorse CorporationAcquisition & Sustainment Subject Matter Expert (SME)Arlington, VAIn this role, you will provide vital input and coordination to the team’s data and analytics products, ensuring stakeholders are aligned and outcomes directly support DoD decision-making and investment priorities. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.