Software Engineer - Backend SwiftSoftware Engineer - BackendChantilly, VirginiaThis role is ideal for someone who thrives in complex, large-scale distributed systems, brings deep expertise in Java and Spring Boot, and is passionate about building scalable, secure, and maintainable backend architectures that power high-profile analytical platforms. Data Modeling & Database Engineering: Design and implement relational data models and Entity Relationship Diagrams (ERDs); develop, optimize, and maintain schemas and queries against Oracle RDS and other relational database systems.
AWS Systems Engineer GuidehouseAWS Systems EngineerDc, District of ColumbiaStrong experience with core AWS services, including EC2, VPC, IAM, S3, EBS/EFS, RDS, Elastic Load Balancing, KMS, CloudWatch, CloudTrail, and backup/disaster recovery services. This role requires a highly technical, hands-on cloud engineering professional capable of designing, implementing, and supporting secure AWS environments in mission-critical enterprise environments.
Software Engineer VTGSoftware EngineerMcLean, VirginiaFull timeThe Software Engineer may analyze and design databases within an application area, coordinate database development as part of a team, and support the design, development, deployment, maintenance, testing, and quality assurance of websites and web applications. Analyzes user and business needs, develops software solutions, and designs or customizes software to optimize operational efficiency.
Graph Data Engineer Red Horse Corporation Ltd.Graph Data EngineerArlington, VA$140,000–$170,000 / yearSuccess in this role requires strong hands-on engineering skills and a systems-thinking mindset: the ability to reason about how data pipelines and tool integrations affect the broader enterprise architecture, search and discovery, and downstream agentic research workflows - and to make and defend design decisions that others will build on. Semantic Control Plane Ownership: Maintain and optimize the Enterprise Semantic Map within enterprise graph database platforms so human analysts, applications, and autonomous AI agents can efficiently search, navigate, and discover resources.
NewPrincipal PostgreSQL Engineer (TS/SCI) MaxaarPrincipal PostgreSQL Engineer (TS/SCI)Herndon, VirginiaThis role ensures high availability, performance, scalability, and security of mission-critical database environments while collaborating with software engineers, data engineers, DevSecOps teams, and system administrators to deliver reliable data services in a secure, cloud-enabled environment. We are seeking a Senior PostgreSQL Engineer to support the architecture, optimization, and operational support of PostgreSQL databases supporting a large-scale U.S. Government big data analytics platform.
Full Stack Engineer AnalyticaFull Stack EngineerBethesda, MDThe team will deliver a secure, scalable platform that integrates structured and unstructured data, provides data visualization and traceable AI-assisted analytics, and gives examiners centralized tools for search, review, monitoring, and decision support. We are seeking an experienced Full Stack Engineer to develop and integrate front-end, back-end, API, database, testing, and application capabilities for a Federal data analytics and AI modernization initiative.
NewElastic Search Engineer Leidos Holdings IncElastic Search EngineerBethesda, MD$107,900–$195,050 / yearWe leverage cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. To be successful in this role you need (required): Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent experience) with 8+ years of relevant experience; Master's degree with 6+ years of experience.
ServiceNow On-Premises Infrastructure Engineer Chenega CorporationServiceNow On-Premises Infrastructure EngineerSpringfield, VAUnlike traditional SaaS administrators, this role focuses heavily on managing the underlying virtual environment, operating systems, databases, and network topologies that keep the ServiceNow environment secure and highly available. The ServiceNow On-Premises Infrastructure Engineer is responsible for the architecture, deployment, maintenance, and optimization of the ServiceNow platform hosted within a local data center or secure private cloud.
Backend Developer (Data Engineer) With Python/Node - Ts/Sci W/ Poly Required Leading Path ConsultingBackend Developer (Data Engineer) With Python/Node - Ts/Sci W/ Poly RequiredChantilly, VABachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. This role blends back-end engineering with data pipeline development and is perfect for someone who enjoys designing modular services and bringing structure to complex data environments.
Security Engineer Architect - TS/SCI VMD CorpSecurity Engineer Architect - TS/SCIBethesda, MDAs the Security Engineering Architect Lead, your job is to provide technical security expertise in our cloud and on-premise infrastructure with focus on leading teams through the Risk Management Framework to system ATOs across multiple domains. Provide management oversight and coordination of DTP Security Team across multiple Task Orders with a focus on streamlining ATO management processes with engineering solutions and best practice efficiencies.
Full Stack Developer (Federal) K.L. Scott & AssociatesFull Stack Developer (Federal)WashingtonKLSA 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.
Senior Resident Engineer Dewberry Engineers IncSenior Resident EngineerGainesville, VA$175,000–$210,000 / yearManage and oversee construction projects involving bridges, structures, roadways, and other transportation infrastructure, including projects within rights-of-way, ensuring compliance with plans, specifications, contract documents, codes, and DOT requirements. Microsoft Office Suite (Word, Excel, PowerPoint, SharePoint) and construction/project management software such as e-Builder, Smartsheet, Box, Teams, contract management systems, and other project information management platforms.
Space Systems Engineer (Intelligence Center) Mitre CorpSpace Systems Engineer (Intelligence Center)Chantilly, VA$162,400–$203,000 / yearRoles & Responsibilities: Research, develop and analyze systems CONOPs, architecture and design models using various modeling languages including SysML, UAFML, BPMN, RAAML, OWL, and others to support customers that acquire, develop, integrate, and operate de systems at all levels of abstraction including the enterprise, mission, functional, logical levels, physical levels. By reinforcing the digital and physical infrastructure underpinning space superiority, we empower operators to execute their objectives with absolute confidence-ensuring the success of critical national security, civil, and defense missions.
Software Engineer ParsonsSoftware EngineerReston, Virginia$148,300–$266,900 / yearWe promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Experience with CI/CD pipelines (GitLab CI/CD strongly preferred) and modern development workflows (code review, branching, tagging, release management).
System Engineer CymertekSystem EngineerReston, VirginiaComputer Engineering, Electrical Engineering, Systems Engineering, Information Technology, Network Engineering, Software Engineering, Mechanical Engineering, Industrial Engineering, Aerospace Engineering, Civil Engineering, Cybersecurity, Information Systems, Data Science, Applied Mathematics, Systems Analysis, Technology Management, ect. Systems Architect, Network Engineer, Infrastructure Engineer, DevOps Engineer, Site Reliability Engineer, Technical Support Engineer, Cloud Engineer, Configuration Manager, IT Systems Administrator, Platform Engineer, Security Engineer, Systems Analyst, Application Support Engineer, Network Administrator, Database Administrator, IT Specialist, ect.
Machine Learning Engineer CymertekMachine Learning EngineerChantilly, VirginiaData Scientist, AI Engineer, Deep Learning Engineer, Artificial Intelligence Engineer, Research Scientist, Data Engineer, NLP Engineer, Computer Vision Engineer, AI/ML Researcher, Data Analyst, ect. Computer Science, Data Science, Artificial Intelligence, Mathematics, Statistics, Software Engineering, Electrical Engineering, Robotics, Computational Biology, Physics, ect.
DevOps Engineer CymertekDevOps EngineerReston, VirginiaComputer Science, Information Technology, Software Engineering, Systems Engineering, Network Engineering, Cloud Computing, Computer Engineering, DevOps, Data Science, Electrical Engineering, IT Management, Cybersecurity, Artificial Intelligence, Applied Mathematics, Business Information Systems, ect. Site Reliability Engineer, Cloud Engineer, Automation Engineer, Infrastructure Engineer, Systems Engineer, Release Engineer, Continuous Integration Engineer, Build Engineer, Platform Engineer, Software Engineer (DevOps focus), Cloud Infrastructure Engineer, Configuration Manager, DevOps Consultant, Kubernetes Engineer, Cloud Operations Engineer, ect.
Cloud Big Data Software Engineer CymertekCloud Big Data Software EngineerReston, VirginiaBig Data Engineer, Cloud Data Engineer, Cloud Data Architect, Data Engineer, Cloud Solutions Engineer, Cloud Analytics Engineer, Data Scientist, Big Data Architect, Cloud Platform Engineer, Distributed Systems Engineer, etc. Computer Science, Data Science, Cloud Computing, Software Engineering, Information Technology, Applied Mathematics, Information Systems, Data Analytics, Electrical Engineering, Artificial Intelligence, Cybersecurity, Statistics, etc.
Data Conditioning Systems Engineer CymertekData Conditioning Systems EngineerChantilly, VirginiaData Engineer, Data Integration Engineer, Data Quality Engineer, Data Pipeline Engineer, Systems Data Engineer, Data Architect, Data Scientist, Data Processing Engineer, ETL Engineer, Data Transformation Specialist, ect. Computer Science, Data Engineering, Information Systems, Electrical Engineering, Software Engineering, Applied Mathematics, Statistics, Information Technology, Data Analytics, Operations Research, ect.
Senior Software Engineer, Generalist (Active Clearance) ANDURIL INDUSTRIESSenior Software Engineer, Generalist (Active Clearance)Washington, DC$191,000–$253,000 / yearData Systems Expertise: Demonstrated success in designing, implementing, and managing various data storage solutions (e.g., relational databases, NoSQL databases) and building efficient data processing pipelines. Driven by Real-World Impact: A proactive drive and enthusiasm for developing mission-critical back-end software that demonstrably supports vital operations and makes a significant real-world difference.