Senior IT Data Engineer System OneSenior IT Data EngineerWashington, DCThe Data Architecture, Technology, and Analytics (DATA) section is looking for an experienced detailed oriented Data Architect/Engineer who will be responsible for expanding and optimizing our data and data pipeline architecture, as well as optimizing data flow and collection for economic policy and research teams. The ideal candidate is an experienced hands-on data modeler with working knowledge of database design and administration, data pipeline building, and data wrangling who enjoys improving existing data systems and/or building them from the ground up.
Senior IT Data Engineer (onsite) System OneSenior IT Data Engineer (onsite)Washington, DCThe Data Architecture, Technology, and Analytics (DATA) section is looking for an experienced detailed oriented Data Architect/Engineer who will be responsible for expanding and optimizing our data and data pipeline architecture, as well as optimizing data flow and collection for economic policy and research teams. The ideal candidate is an experienced hands-on data modeler with working knowledge of database design and administration, data pipeline building, and data wrangling who enjoys improving existing data systems and/or building them from the ground up.
Network Engineer Science Applications International CorpNetwork EngineerSpringfield, VAPerforms these functions across using COTS and GOTS tools to test/validate physical media, Operating Systems, TCP protocol stacks, routing protocols, routed protocols and network hardware components primarily on Cisco devices. Uses monitoring, performance analysis systems, network management software, and hardware management software to troubleshoot and isolate problems, gauge WAN and LAN performance and activity.
Software Engineer Reinventing Geospatial, Inc. (RGi)Software EngineerGaithersburg, MDRGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. A strong working knowledge of: AWS, Azure, or similar cloud platforms, MySQL, PostgreSQL, or SQL Server.
Machine Learning Engineer Somatus IncMachine Learning EngineerMcLean, VAAssist with end-to-end lifecycle for AI and machine learning projects, including idea generation, data and feature engineering, model training, model evaluation, model testing, model deployment, model monitoring, and maintenance. Partner with ML engineers, data engineers, software developers, product managers, data analysts, and clinical and operations team members to deliver machine learning solutions that make an impact.
Senior Systems Engineer Leidos Holdings IncSenior Systems EngineerBethesda, MD$131,300–$237,350 / yearThe focus is on requirements analysis, solution design, system and interface engineering, workflow engineering, integration and test planning, technical documentation, risk management, and delivery coordination across Appian workflows, microservices, and enterprise system architectures. You will work across systems engineering, software development, architecture, Agile delivery, and stakeholder engagement to translate mission needs into technical requirements, system designs, workflow designs, interface definitions, test approaches, and implementable backlog items.
Software Engineer SwiftSoftware EngineerAnnapolis JunctionThe Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real[1]time systems, and business management information systems) based upon documented requirements. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the[1]shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
Software Engineer with GIS Experience CymertekSoftware Engineer with GIS ExperienceAnnapolis Junction, MarylandGIS Software Engineer, Geospatial Software Developer, GIS Developer, Geospatial Analyst, Software Engineer (Geospatial), Spatial Data Engineer, GIS Application Developer, Geographic Information Systems Engineer, Cartography Software Developer, GIS Solutions Architect, etc. Computer Science, Geospatial Information Science, Software Engineering, Geography, Geographic Information Systems, Environmental Science, Applied Mathematics, Geomatics, Civil Engineering, Data Science, etc.
Forward Deployed Engineer (Applied AI), Senior LCGForward Deployed Engineer (Applied AI), SeniorRockville, MarylandThe FDE will serve as the AI expert embedded across multiple client projects, partnering with engineering teams, business stakeholders, and leadership to advance AI adoption, improve workflows, and modernize existing systems. Co-create in cross-functional pods: Operate in pods rather than isolated builds, using continuous feedback loops and agile frameworks to test, evaluate, and scale AI solutions directly against business outcomes.
Full Stack Developer (Federal) K.L. Scott & AssociatesFull Stack Developer (Federal)Washington, DCKLSA combines strategic advisory services with hands-on delivery; bringing product leadership, secure data engineering, systems integration, and user-centered design to help clients translate complex requirements into scalable, high-quality solutions. This role will support financial management solutions for budget formulation and execution tools, financial planning and analysis applications, spend tracking systems, workflow automation, and related enterprise finance applications.
AWS Cloud DBA System OneAWS Cloud DBAMcLean, VARemoteImplement database security controls, including encryption, access management, key management, IAM policies, and compliance requirements such as HIPAA, FedRAMP, and SOC 2. Automate provisioning, monitoring, backups, restores, and operational tasks using Infrastructure as Code tools such as Terraform, CloudFormation, and CDK. Experience managing database uptime, connection pooling, horizontal and vertical scaling, resource utilization, slow query monitoring, backups, migrations, downtime planning, and disaster recovery.
Senior Java Software Engineer LeidosSenior Java Software EngineerAnnapolis Junction, MarylandWorking alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.
Java Software Engineer – Spring Boot & Kubernetes LeidosJava Software Engineer – Spring Boot & KubernetesAnnapolis Junction, MarylandThis is an exciting opportunity to help transform a traditional Java application into a modern architecture utilizing Spring Boot, Angular, Docker, Kubernetes, RESTful APIs, relational databases, and modern DevSecOps practices . July 31, 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.
ME00622-Software Engineer 1 Momentum Engineering OpeningsME00622-Software Engineer 1Annapolis JunctionBachelor's degree in Computer Science or a related technical discipline from an accredited college or university Four (4) additional years of directly related Software Engineering experience may be substituted in lieu of the degree requirement. The ideal candidate is a motivated software engineer with experience developing secure, scalable applications, collaborating directly with customers to refine requirements, and contributing throughout the full software development lifecycle.
NewSoftware Engineer III Pinnacle Group IncSoftware Engineer IIIWashington, WARemote$85–$90 / hourThis position involves researching, designing, developing, and testing operating systems-level software, compilers, and network distribution software for various applications, including medical, industrial, military, communications, aerospace, business, scientific, and general computing. The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.
Sr Software Engineer Fantom CorporationSr Software EngineerHanover, MarylandEstablished in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. The ideal candidate has extensive experience developing scalable and data-intensive applications, implementing advanced algorithms, and collaborating across engineering teams throughout the full software development lifecycle.
Sr Lead Software Engineer, Full Stack (AI) - Shopping (Remote-Eligible) Capital OneSr Lead Software Engineer, Full Stack (AI) - Shopping (Remote-Eligible)McLean, VirginiaRemoteUtilize programming languages like JavaScript, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services . Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community.
Senior Data Engineer Ad HocSenior Data EngineerMc Lean, VARemote$130,000–$140,000 / yearAs a Senior Data Engineer, you will contribute to the long-term data strategy of the program, influence architectural decisions, and collaborate closely with software engineers, product managers, analysts, architects, and stakeholders to deliver reliable, secure, and scalable data platforms. We partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact.
Software Engineer Level 2 TAP EngineeringSoftware Engineer Level 2Hanover, MDFull timeThis position requires strong experience across the full software development lifecycle, as well as the ability to collaborate with system and hardware engineers to deliver scalable, high-quality solutions. This role involves working on high-performance applications, large-scale data processing systems, real-time solutions, and advanced analytics platforms.
Lead Fullstack Engineer ConsultNetLead Fullstack EngineerRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. This role is ideal for an experienced engineer who enjoys solving complex technical challenges, guiding engineering teams, establishing best practices, and delivering scalable, resilient solutions in AWS.
Network Engineer 4 - Washington, DC M.C. Dean IncNetwork Engineer 4 - Washington, DCWashington, DC$125,120–$187,680 / yearAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. The Network Engineer works to maintain network reliability, resolve issues promptly, and collaborate with other IT teams to ensure that networking systems support the organizations operational needs.
Software Engineer Level 1 TAP EngineeringSoftware Engineer Level 1Hanover, MD$99,000–$125,000 / yearThe Software Engineer will contribute to system design, software development, and integration efforts, while collaborating with cross-functional teams to deliver scalable, high-performance solutions. This role involves working on processing-intensive applications, large data sets, real-time systems, and analytics-driven platforms.
Open Talent Network: Senior AI Platform & Data Engineer Ad HocOpen Talent Network: Senior AI Platform & Data EngineerMc Lean, VARemote$150,000–$190,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. Python (primary language), SQL, Spark/Databricks (for large-scale data processing), Kubernetes/ECS, OpenAPI (for API documentation), experience with vector databases and feature stores.
Data Engineer II InVita Healthcare Technologies IncData Engineer IIBaltimore, MD$100,000–$120,000 / yearThis role will collaborate closely with product leaders, software engineers, and integration teams to ensure the effective flow and accessibility of data, enabling data-driven decision-making across the organization. Database Design & Management: Develop and maintain databases, data warehouses, and other data storage solutions, ensuring they meet the company's data needs and business goals.
NewSenior Software Engineer FS - Backend focused Ad HocSenior Software Engineer FS - Backend focusedMc Lean, VARemote$125,000–$145,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above.
Technical Writer Core One Solutions LLCTechnical WriterMcLean, VAThe ideal candidate brings expertise in technical documentation, structured authoring, compliance artifacts (SSP, POA&M), and engineering documentation frameworks, with the ability to translate complex technical concepts into clear, actionable content for diverse stakeholders. Bachelor's degree or higher in Technical Writing, English, IT or related field and 8+ years of technical writing experience in IT or cybersecurity environments.
Software Engineer (Hybrid) - 28021 HII Mission Technologies DivisionSoftware Engineer (Hybrid) - 28021Columbia, MD$115,199–$155,000 / yearYou will work closely with other talented engineers to create secure, enterprise-grade AI software solutions, including Model Context Protocol (MCP) servers, reusable AI skills, strict safety guardrails, and other AI framework capabilities that meet the complex needs of our clients. Build Model Context Protocol (MCP) servers and a library of reusable "skills" (function calling/tools) that enable AI models to safely interact with our internal databases, microservices, and external APIs.
Technical Consultant- Enterprise Data Engineer Job | Esri Career Opportunity Environmental Systems Research Institute IncTechnical Consultant- Enterprise Data Engineer Job | Esri Career OpportunityVienna, VA$84,240–$142,480 / yearYou will work both independently and as part of project teams to configure back-end geospatial database management capabilities that support customer workflows utilizing ArcGIS web, desktop, and mobile applications. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
Sr. Software DB Development Engineer Transaction Network Services IncSr. Software DB Development EngineerAnnapolis, MDWe are seeking a Senior Database Engineering Lead with deep expertise in Oracle databases and the AWS data ecosystem, as well as management or team lead experience, who thrives as both a hands-on database expert and a people leader. You'll work closely with Cloud Architects, Engineering, DevOps, and Application teams to modernize legacy systems, streamline data workflows, and enable data-driven decision-making across the organization.
Sr. Software Engineer MondoSr. Software EngineerBaltimore, MarylandRemote$50–$55 / hourWe are seeking a senior-level backend software engineer to design, build, and maintain scalable, secure, and high-performance APIs and distributed systems in a modern cloud-native environment. Nice-to-Have Skills/Experiences (NOT required, but a plus!) :Experience with GraphQL federation and Apollo Router.
Data/Visualization Engineer SME Leidos Holdings IncData/Visualization Engineer SMEFort Belvoir, VA$131,300–$237,350 / yearThe successful candidate will play a critical mission-support role by transforming complex datasets into clear, actionable insights that directly facilitate business strategy, decision-making, and IT Operations sustainment. 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.
Data Center Engineer KBR IncData Center EngineerLanham, MD$129,700–$194,600 / yearKey responsibilities include: Reviewing current infrastructures, architectures, designs, and operations to identify potential improvements; analyzing, refining, and documenting the requirements for transition from legacy hardware into modern data center infrastructure environment. The candidate will design virtual Infrastructure services to maximize available capacity of physical compute, storage, and network hardware resources and document security, configuration, and performance benchmarks of Infrastructure Services.
Solution Engineer, MuleSoft - Salesforce National Security Salesforce IncSolution Engineer, MuleSoft - Salesforce National SecurityWashington, DC$134,750–$210,910 / yearThe company was founded on three disruptive ideas: A technology model in cloud computing, a pay as you go business model, and an embedded corporate philanthropy model, also known as the 1-1-1 model, where we give 1% of our technology, 1 % of our time, and 1% of our resources back to our communities. In California and New York, and select cities in the metropolitan areas of Boston, Chicago, Seattle, and Washington DC, the base pay range for this role in those locations is $148,190 - $231,980 per year.
Senior‑Level AI Engineer (Python) ProObject IncSenior‑Level AI Engineer (Python)Annapolis Junction, MD$155,000–$175,000 / yearThe engineer will work closely with mission stakeholders to capture requirements, support structured planning, improve certification processes using AI/ML tooling, and develop AI‑enabled capabilities including fine‑tuning Large Language Models to enhance vulnerability identification and mitigation. Degree in Computer Science or a related field with substantial coursework in algorithms, data structures, programming languages, computer architecture, logic, and advanced mathematics.
Network Engineer-4134903 TCG IncNetwork Engineer-4134903Washington, DC$120,000–$145,000 / yearTCG is recognized for treating employees well, in fact, in 2025 The Washington Post named TCG as a "Top Workplace" for the eleventh straight year based on how our employees feel about the company, the benefits TCG offers, and the work/life balance that our staff achieves. Help design, deploy, and maintain Kubernetes clusters and related networking components (CNI Network Policies, services, ingress, Helm).
Backend Software Engineer Leidos Holdings IncBackend Software EngineerAlexandria, VA$107,900–$195,050 / yearIf you've spent the last few years building your expertise in backend engineering, Java or Python development, and mission‑driven systems, and you're ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want real impact. 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.
Systems Engineer Leidos Holdings IncSystems EngineerWashington, DC$107,900–$195,050 / yearThe candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology. 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.
Senior Software Engineer (Remote Sensing) UmbraSenior Software Engineer (Remote Sensing)Arlington, VARemote$155,000–$185,000 / yearUmbra’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.
Senior‑Level AI Engineer (Python) IDS InternationalSenior‑Level AI Engineer (Python)Annapolis Junction, MD$155,000–$175,000 / yearCollaborate with technical leadership to design, develop, and maintain LLM orchestration frameworks• Integrate static analyzers, retrieval‑augmented generation (RAG) systems, and automated testing pipelines• Clean, transform, and vectorize documentation, source code, and test artifacts for LLM consumption• Design and implement database solutions to support RAG architectures, artifact storage, and audit trails• Work with systems engineers to architect and deploy networked AI tools within secure enclaves• Perform performance profiling, optimization, and scalability analysis of mission systems• Support security assessments and Authority to Operate (ATO) processes. • Bachelor’s degree with eight (8) years of relevant experience, or Master’s degree with six (6) years, or Doctoral degree with four (4) years• Associate’s degree with ten (10) years of clearly related experience may be considered• Degree in Computer Science or a related field with substantial coursework in algorithms, data structures, programming languages, computer architecture, logic, and advanced mathematics• Proficiency in Python and AI/ML integration• Experience with LLMs, static analyzers, RAG frameworks, and relational and vector databases• Familiarity with Agile methodologies and tools such as Git, Jira, and Confluence• Relevant experience across the software development lifecycle• Active TS/SCI with Polygraph.
Sr. Data Platform Engineer Real Time Medical SystemsSr. Data Platform EngineerLinthicum Heights, MDRemoteJob purpose summary Real Time’s suite of Interventional Analytics solutions enables post-acute facilities to seamlessly collaborate with their partner hospitals, health systems, ACOs, and managed care plans to improve care, reduce costs, and achieve a level of interoperability. This role will focus on designing and optimizing cloud-native data solutions, driving performance and cost efficiency, and enabling large-scale migrations from legacy SQL Server systems to modern PostgreSQL-based architectures.
Senior Software Engineer TLA-LLCSenior Software EngineerMcLean, VAIn this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across both commercial and government cloud environments operating at multiple security levels. TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives.
Java Software Engineer with Python experience Set of XJava Software Engineer with Python experienceFt Meade; Hanover, MD$120,000–$240,000 / yearWith a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership. We are seeking a talented Java Software Engineer with Python experience to support the design, development, integration, and optimization of complex software systems.
Full Stack Software Engineer ANDURIL INDUSTRIESFull Stack Software EngineerWashington, DC$132,000–$198,000 / yearLead the development of prototypes to demonstrate advanced concepts in areas like autonomous and multi-agent systems, GenAI, advanced data analytics, quantum computing/sensing/networking/comms/machine learning, modeling, simulation, optimization, visualization, next-gen human-machine interfaces, heterogenous computing, and cybersecurity. unsupervised learning, regression, classification, clustering, deep learning neural networks, NLP, LLMs, SLMs, model fine-tuning, prompt engineering, RAG) and hands-on experience developing (Gen)AI-enhanced applications or services.
Senior Data Engineer GuidehouseSenior Data EngineerMclean, VAWhat You Will Do: The Senior Data Engineer will serve as the Department of State (DoS) Political‑Military Affairs Bureau's lead technical architect for data infrastructure, analytics enablement, and AI integration in support of the Evidence Act and the Enterprise Data and AI Strategy (EDAIS). Professional certifications or formal training in data engineering, analytics, or cloud architecture (e.g., Microsoft Certified Data Engineer, AWS Data Analytics Specialty, or equivalent) are highly desirable.
Software Engineer Set of XSoftware EngineerAnnapolis Junction, MD$120,000–$240,000 / yearWith a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership. Additional responsibilities include developing applications in languages such as C, C++, C#, Java, and Python for Windows or UNIX environments, as well as leveraging DevOps and CI/CD tools (e.g., Docker, Terraform, Ansible, Jenkins, Bamboo) to build and deploy software solutions.
Principal Systems Engineer GliaCell TechnologiesPrincipal Systems EngineerAnnapolis Junction, MD$200,000–$280,000 / yearWork with numerous concurrent IC-provided data sets to identify, map and model data transformation routines supporting ingestion into the customer's corporate repositories and be able to document new and existing data flows supporting data routing implementations. Utilize a working knowledge of NiFi, be comfortable working in a Linux environment, interact with data ontologies (schemas), structured data types (XML, CSV, JSON), have database experience (MySQL/NoSQL) and analytic query experience with a platform.
Mid-Level Systems Engineer GliaCell TechnologiesMid-Level Systems EngineerAnnapolis Junction, MD$115,000–$190,000 / yearWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. The Data Modeling team is focused on modernizing business IT systems that currently span multiple databases, user interfaces, and data formats.
Wireless Network Performance Engineer Corner AllianceWireless Network Performance EngineerWashington, DC$130,000–$200,000 / yearExperience utilizing cellular device log analysis tools such as Rohde & Schwarz SmartAnalytics or similar for developing network measurement reports detailing test success rates, data performance, coverage quality, network deployment configurations, and deployed capacity. 10+ years' experience supporting nationwide or multi-state wireless networks, preferably public safety broadband or similar mission-critical environments, including coverage and capacity analysis, network deployment configurations, performance evaluation, and/or operations for RAN and core networks.
Senior Software Engineer (Order And Delivery) - (10 Years Exp) UmbraSenior Software Engineer (Order And Delivery) - (10 Years Exp)Arlington, VA$180,000–$220,000 / yearUmbra’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. About the Job We are actively seeking a highly skilled and experienced Senior Software Engineer to join our Order & Delivery team who will play a pivotal role as a key contributor to our dynamic public-facing software application and robust API services.
Software Engineer (Mid) Vantor ServicesSoftware Engineer (Mid)Arlington, District of Columbia$113,000–$188,000 / yearDetermines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. The position contributes to AI-enabled, data-driven solutions that help users work across complex datasets at scale, improve operational outcomes, and accelerate the delivery of mission-relevant applications and services.