Principal / Sr. Principal Software Engineer [TS SCI] Northrop Grumman CorpPrincipal / Sr. Principal Software Engineer [TS SCI]Stafford, VA$114,000–$171,000 / yearJBoss and/or Wildfly are highly desired); relational databases (JDBC, SQL, and MySQL); JEE (Java Enterprise Edition) experience (JDBC, JNI, JNDI, JMS, Servlet/JSP, EJB/JPA); Web service experience (e.g., RESTFul Web services). Knowledge of the following: Hycu backup/recovery software or other backup/recovery software; Nutanix virtual environment, or other platforms such as VMWare; Elastic Search Stack (ELK); Web (Brower based) GUI front end development (HTML, JavaScript, CSS, Angular).
Principal / Sr. Principal Software Systems Administrator [TS SCI] Northrop Grumman CorpPrincipal / Sr. Principal Software Systems Administrator [TS SCI]Stafford, VA$103,600–$155,400 / yearPreferred Qualifications: Knowledge of the following: Hycu backup/recovery software or other backup/recovery software; Nutanix virtual environment, or other platforms such as VMWare; Elastic Search Stack (ELK); Web (Brower based) GUI front end development (HTML, JavaScript, CSS, Angular). The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Anomalous Health Incidents Principal Scientist Applied Research Associates IncAnomalous Health Incidents Principal ScientistAlexandria, VAThe Mission Concepts and Capabilities (MCC) Division of Applied Research Associates, Inc. (ARA) is seeking to contingently hire an Anomalous Health Incidents (AHI) Principal Scientist for ARA's effort supporting the Office of the Assistant Secretary of War for Critical Technologies (OASW(CT)). COMPANY INFORMATION: Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.
Unified Communications Engineer - Principal Amentum Services IncUnified Communications Engineer - PrincipalVAKnowledge in Cisco Unified Communications Manager, Cisco IM & Presence, Cisco Expressway, Cisco Video Teleconferencing Systems, and Cisco Session Border Controller, Cisco Meeting Server, Cisco Contact Center Express, VQ Conference Manager, Cisco Unity Connect, MS SQL Databases, Integrated Room Video Teleconferencing Control Systems, ELK Stack, and NetScout. At least 12 years of telecommunications technical experience installing, administering, and upgrading Cisco Unified Collaboration appliances and troubleshooting converged networks that leverage Cisco UC capabilities to interconnect Cisco, Tandberg, and Polycom endpoints, gateways, and teleconference bridge products.
Principal Consultant- Senior Product Owner PeopleNTech LLCPrincipal Consultant- Senior Product OwnerAlexandria, VA$94–$100 / hourWe are seeking an experienced and visionary Senior Product Owner with expertise in Agentic AI and Generative AI to drive the identification, prioritization, and delivery of transformative AI use cases across the organization. The ideal candidate will bridge business stakeholders and AI engineering teams, translating business opportunities into actionable product roadmaps and successful AI-powered solutions.
Principal Azure Architect (Cloud Infrastructure) PeopleNTech LLCPrincipal Azure Architect (Cloud Infrastructure)Alexandria, VADevOps & Containerization: Working knowledge of Azure DevOps and container orchestration – familiar with Azure DevOps Pipelines & Repo management, as well as Azure Kubernetes Service (AKS) and container best practices to support microservices and cloud-native architectures. Networking & Connectivity: Deep knowledge of Azure networking – Virtual Networks (VNets), subnets, Network Security Groups (NSGs) , VNet peering, and hybrid connectivity options (VPN, ExpressRoute) for secure, performant networks.
Principal Software Architect PeopleNTech LLCPrincipal Software ArchitectAlexandria, VARemote$85–$90 / hourArchitecture & Platform Governance Own and evolve the cross-platform architecture spanning (C++/C# Windows applet, BHFTP transmitter, ASP.NET Proactive portal), (cloud SaaS, instrument fleet API, data pipeline), and Unity Next (QC engine, LIS/HL7 integration, Unity Connect middleware, peer-comparison analytics). On-Instrument & Integration Systems Guide Applet architecture: C++ Win32 service host, IMonitoredEntity driver plugin model (Drives Info, Running Processes, System Info, ME Collect), DCC output contract, and AppletSoftwareUpdateManager CAB update pipeline.
Cortex Principal / Lead ML Engineer - Enterprise Machine Learning Platform (Multi-Cloud) PeopleNTech LLCCortex Principal / Lead ML Engineer - Enterprise Machine Learning Platform (Multi-Cloud)Alexandria, VA$55–$70 / hourKey qualifications include: Expertise in end-to-end enterprise ML platform architecture , including multi-cloud environments . We are looking for a seasoned architect with hands-on experience designing and implementing enterprise-scale AI platforms.
Principal Consultant Salesforce Business Development Manager PeopleNTech LLCPrincipal Consultant Salesforce Business Development ManagerAlexandria, VA$75–$85 / hourThis role sits at the frontline of our go-to-market strategy, responsible for identifying, engaging, and qualifying prospects for Salesforce-led digital transformation initiatives including Revenue Cloud, Data Cloud, Industry Clouds, and AI (Agentforce). We are looking for a high-energy Salesforce Business Development Representative (BDR) to drive pipeline creation and new business growth across enterprise and mid-market accounts in the US.
Principal Contracts Administrator Marathon TSPrincipal Contracts AdministratorLorton, VAReviews and resolves issues affecting contract performance and ensures contract compliance with legal requirements, company policies, and customer objectives; consults with operational staff and resolves matters of concern between contractor and government and/or prime contracts. The Principal Contracts Administrator will act as a key department Team Member and contributor, advising program leadership within an IPT structure on contractual issues and assuming the role of the primary official POC with the customer.
Principal Engineer -Technology Architect - Generative AI PeopleNTech LLCPrincipal Engineer -Technology Architect - Generative AIAlexandria, VA$94–$100 / hourPractical experience designing Generative AI solutions using LLMs, RAG, embeddings, chunking, and search technologies. • Build cloud native systems using Azure, AWS, Kubernetes/AKS/EKS, containers, and microservices patterns.
NewPrincipal Data Protection & Security Architect PeopleNTech LLCPrincipal Data Protection & Security ArchitectAlexandria, VA$70–$75 / hourDefine and implement data security controls including encryption, tokenization, obfuscation, data masking, row-level security, attribute/column-level security, access governance, and data loss prevention (DLP) capabilities. Deep hands-on expertise in Databricks security architecture , including Unity Catalog, RBAC/ABAC, data masking, row-level security, secure data sharing, lineage, and governance capabilities.
Principal Analyst Semper Valens SolutionsPrincipal AnalystFort Belvoir, VAFull timePrincipal AnalystFull Time, Ft. Belvoir, VASecret Clearance **This position is contingent upon contract award** Overview:The Principal Analyst will provide senior-level subject-matter expertise and strategic advisory support in financial management, strategic planning, programming, budgeting, and resource allocation. About Semper Valens Solutions:Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.
Principal Data Center Infrastructure Engineer (VMware Engineer) Quadrant, Inc.Principal Data Center Infrastructure Engineer (VMware Engineer)Washington, DCDemonstrated experience ensuring the reliability, scalability, and efficiency of data center operations, including servers, storage, networking, power, and environmental resource requirements. Use enterprise data center technologies to manage and operate servers, storage, networking, and power systems supporting mission-critical environments within the federal government.
System Engineer VI - Principal TSCSystem Engineer VI - PrincipalDahlgren, VirginiaPerform Combat System certification assessments in accordance with Program Executive Office Integrated Warfare Systems (PEO IWS) combat system certification policy, including assessments of mission effectiveness, capabilities, and limitations to understand and characterize the risks associated with deployment of a Combat System. This position requires a flexible individual with experience in: System and engineering support for the integration of AEGIS Weapon System (AWS) elements into certified AEGIS and BMD baselines.
Principal Software Engineer CarfaxPrincipal Software EngineerCentreville, VirginiaThe expert in vehicle history since 1984, CARFAX provides exclusive services like CARFAX Used Car Listings, CARFAX Car Care, CARFAX History-Based Value and the flagship CARFAX® Vehicle History Report to consumers and the automotive industry. CARFAX , part of S&P Global Mobility, helps millions of people every day confidently shop, buy, service and sell used cars with innovative solutions powered by CARFAX vehicle history information.
Senior Principal FPGA & Digital Signals Processing Engineer Research InnovationsSenior Principal FPGA & Digital Signals Processing EngineerAlexandria, VAAs the Principal FPGA & DSP Engineer, you will serve as the technical leader responsible for designing and delivering the next generation of real-time FPGA-based signal processing capabilities that enable rapid spectrum awareness, signal exploitation, and electronic warfare operations. Working closely with hardware, software, AI, and RF engineering teams, you will architect high-performance firmware solutions that transform advanced algorithms into deployable capabilities supporting the Department of Defense, Intelligence Community, and allied mission partners.
Principal Systems Test Engineer - Flight Controls Electra Aero IncPrincipal Systems Test Engineer - Flight ControlsManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. This is a hands-on leadership role - you'll mentor junior engineers, own the architecture of our simulation labs, and build the data management and automated test processes that engineering depends on to move the EL9 toward certification.
Principal Aortic Account Manager Endologix LLCPrincipal Aortic Account ManagerVATerritory Management & Strategic Sales Execution: Develop, manage, and grow trusted relationships with vascular specialists, hospital systems, and key stakeholders by acting transparently, delivering value, and aligning solutions to clinical and economic needs. Strategic & Analytical Capability: Leverages data and business insights to clearly communicate quarterly strategic business plans, territory market share, procedures per physician, and trained physician segments-driving informed decisions that improve outcomes and performance.
Principal Identity, Credential, and Access Management (ICAM) Architect Huntington Ingalls Industries IncPrincipal Identity, Credential, and Access Management (ICAM) ArchitectSpringfield, VA5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. When extending an offer, HIIs Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the roles function and a candidates education or training, work experience, and key skills.