Neo4j jobs in Glen Echo, MD

Remote

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Today

Skills and experience 8+ years in data platform architecture, with 4+ years hands-on Neo4j EnterpriseDeep knowledge of Neo4j causal clustering, Raft consensus, quorum behaviour and leader electionMulti-database tenancy, database-level RBAC and isolation modelsNeo4j sizing: page cache and heap configuration, licensable-core basis, storage and transaction-log volume designMigration mechanics: neo4j-admin dump/load, online backup and restore, delta synchronisation, read-replica seedingVersion upgra

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Contract, Third Party

Depends on Experience

Ontology Engineer – Knowledge Graph & Agentic AI (Neo4j / Graphwise)

Remote

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13d ago

< dir="ltr">Job SummaryWe are seeking an experienced Ontology Engineer with deep expertise in Knowledge Graphs, Agentic AI and enterprise AI architectures. You will design, build and deploy intelligent, context-aware solutions that combine semantic reasoning, RAG, GraphRAG and multi-agent orchestration to solve complex enterprise business challenges. The role requires strong hands-on experience with Neo4j and Graphwise, using knowledge graphs as the foundational layer for ontology definition, ag

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Contract

Depends on Experience

Data Architect

McLean, Virginia

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Today

Overview We are seeking an experienced Data Architect within a team supporting the customer with data engineering and operations, software engineering, security engineering, DevOps engineering, application development, data science, and program management in support of data acquisition, exploitation, engineering, and management tasks. Communicate and collaborate across organizational boundaries, to include other contractor teams, Customer staff and external stakeholders. What will you do? Demo

Full-time

USD 180,000.00 - 240,000.00 per year

Data Architect

McLean, Virginia

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Today

Data Architect Location: McLean, VA Must have an active TS/SCI FS Poly Position within a team supporting the customer with data engineering and operations, software engineering, security engineering, DevOps engineering, application development, data science, and program management in support of data acquisition, exploitation, engineering, and management tasks. Communicate and collaborate across organizational boundaries, to include other contractor teams, Customer staff and external stakehold

Full-time

AI Engineer, Public Sector

Reston, Virginia

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Today

Seekr is looking for talented AI Engineers to join our team and deliver generative and predictive capabilities for US Government customers. The right candidate will work on developing , and deployment of AI/ML capabilities for various applications implementing generative AI and integrations with predictive capabilities (agentic workflows, LLM fine-tuning). Additionally, this person will be working on quick proof-of-concept solutions but also building in a generalized fashion to support longer te

Full-time

USD 185,000.00 - 225,000.00 per year

Back End Developer

McLean, Virginia

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Today

Job Number: R0249717 Back End Developer The Opportunity: As a sof tware engineer, you know that good sof tware is more than just a nice-looking interface and data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a sof tware engineer like you to develop efficient and effective sof tware, from vision to production-ready systems in an exciting, agile environment. As a sof tware engineer at Booz Allen, you'll us

Full-time

USD 86,800.00 - 198,000.00 per year

Agentic AI Engineer

Hybrid in Alexandria, Virginia

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Today

Job Number: R0252012 Agentic AI Engineer The Opportunity: We are looking for a highly skilled Agentic AI Engineer to join our team specializing in building autonomous, goal-oriented AI systems. You will play a crucial role in shifting our AI strategy from passive LLM chatbots to proactive, multi-agent orchestrations. In this role, you will utilize deep experience in agent orchestration frameworks, RAG, Knowledge Graphs (KG), and fine-tuning Small Language Models (SLMs) for edge deployment. What

Full-time

USD 77,600.00 - 176,000.00 per year

Software Engineer

McLean, Virginia

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Today

Job Number: R0251931 Software Engineer The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, you'll

Full-time

USD 69,400.00 - 158,000.00 per year

Senior DevOps Engineer

Chantilly, Virginia

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Today

Overview We are seeking an experienced DevOps Engineer to support the design, development, deployment, and maintenance of secure, scalable, and highly available systems. The ideal candidate will have strong experience with AWS, Kubernetes, Python, CI/CD pipelines, and infrastructure automation, along with experience supporting Neo4j graph databases. This position requires a hands-on engineer who can automate infrastructure processes, optimize cloud environments, support software deployments, a

Full-time

Senior Software Engineer

Chantilly, Virginia

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Today

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successfully candidate will support continuity of our customer's mission by helping to modernize and implement industry standards while ensuring secure, reliable, and

Full-time

USD 107,900.00 - 195,050.00 per year

AI Research Assistant

College Park, Maryland

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Today

Job Description Summary Organization's Summary Statement: The Applied Research Laboratory for Intelligence & Security (ARLIS) at the University of Maryland is a University-Affiliated Research Center (UARC) dedicated to advancing research, innovation, and technology transition to improve decision making for U.S. national security. ARLIS combines deep scientific expertise with operational insight to address challenges in intelligence analysis, cybersecurity, artificial intelligence / machine lear

Full-time

USD 23.00 - 50.00 per hour

Technology Strategy Director

McLean, Virginia

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Today

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it's at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Position Overview: Freddie Mac is seeking a hands-on AI engineering leader to serve as Director within the Single-Family Acquisitions (SFA) division, reporting to the Sr. Director of GenAI Engineering &

Full-time

USD 209,000.00 - 313,000.00 per year

Senior Systems Engineer

Herndon, Virginia

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Today

Dark Wolf constructs and deploys data management and analytics solutions for the defense and intelligence communities. We're proud to boast a world-class engineering team that thrives on rolling up their sleeves to solve your mission's biggest challenges. Dark Wolf is seeking a highly motivated and self-directed professional to fill the role of Systems Engineer to support our team in Northern Virginia. The Systems Engineer will design, develop, and implementation of software systems/services so

Full-time

USD 210,000.00 - 235,000.00 per year

Senior Software Developer

Chantilly, Virginia

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Yesterday

Overview We are seeking an experienced Senior Software Developer to support a large-scale, 200+ FTE technical development program supporting the Sponsor's Entitlement Programs, Identity and Access Management (IdAM/ICAM), Authentication, Authorization, Attributes, and Digital Policy Management initiatives. The Software Developer will work within a large, collaborative team of software developers, software engineers, and data engineers to modernize mission-critical applications and implement ind

Full-time

Data Engineer

McLean, Virginia

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Today

Data Engineer Department: Data Analysis and Technology Services Employment Type: Full Time Location: McLean, VA Compensation: $130,000 - $260,000 / year Description REQUIRED: Active TS/SCI with CI Polygraph LOCATION: Full-time, onsite in McLean, VA CONTINGENT We are seeking a Data Engineer who thrives in a mission-driven, environment. This role is ideal for someone who can transform complex, disparate data into reliable, scalable pipelines that power analytics, automation, and decision-ma

Full-time

USD 130,000.00 - 260,000.00 per year

Software Engineer

McLean, Virginia

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Today

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver in

Full-time

USD 86,000.00 - 107,500.00 per year

Software Engineer, Back End (Software Engineer)

Chantilly, Virginia

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Today

Redwire is an innovative space and defense technology company driving advanced capabilities across the aerospace sector. We are looking for a leader who can contribute to concept of operations development, mission solution design, and strategic analysis for spacecraft programs supporting National Security Space. This includes work spanning space domain awareness, space resiliency, mission autonomy, structures, sensors, and next-generation space systems. We are seeking a talented Back End Softwa

Full-time

USD 102,000.00 - 140,000.00 per year

Software Engineer, Full Stack (Full Stack Developer Engineer)

Chantilly, Virginia

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Today

Full-time

USD 102,000.00 - 140,000.00 per year

ETL Java Developer (SME)

Bethesda, Maryland

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Today

Leidos has a new and exciting opportunity for an ETL Java Developer (SME) in our Intelligence Sector's Analysis Solutions Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexi

Full-time

USD 154,050.00 - 278,475.00 per year

Geospatial Data Scientist

McLean, Virginia

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Today

Full-time

USD 124,400.00 - 155,500.00 per year

Neo4j jobs in Glen Echo, MD, USA