Senior Principal Systems Engineer Science Applications International CorpSenior Principal Systems EngineerChantilly, VA$160,001–$200,000 / yearSAIC is seeking a Senior Principal Systems Engineer to fill a critical position supporting a large SETA program supporting the NRO's Ground Enterprise Directorate (GED) in Chantilly, VA. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
Acquisition Systems Engineer Principal Science Applications International CorpAcquisition Systems Engineer PrincipalChantilly, VA$160,001–$200,000 / yearJob Responsibilities: Provide program management and technical engineering support to the Government customer to manage multi-INT software application acquisitions; evaluate cost, performance, schedule, and risks throughout the program life-cycle. Lead technical and programmatic interchanges; identify and resolve issues; and provide engineering and technical advice to the customer to achieve innovative capabilities for automated multi-INT collection orchestration and sensemaking.
Principal Corporate Counsel, Procurement & Construction Microsoft CorpPrincipal Corporate Counsel, Procurement & ConstructionWashington D.C., DC$132,200–$232,800 / yearJuris Doctor Degree or international equivalent degree AND 4+ years experience as a practicing attorney advising on complex commercial transactions, including developing, negotiating, and documenting contracts and counseling on disputes/claims OR equivalent experience. Supporting the development and continuous improvement of playbooks, templates, and clause libraries; driving process improvements to improve quality and reduce contract cycle time; collaborating with business teams in the development of new deal structures.
Principal Architect - Behavioural Healthcare Lead Arcadis NVPrincipal Architect - Behavioural Healthcare LeadWashington, DC$147,000–$220,000 / yearArcadis's expertise is delivered by a team of professionals, each dedicated to specialist areas such as urban design, architecture, intelligent transport, landscaping, interior design, software development and many more areas of client focused services. Lead, motivate and develop a diverse team of senior specialists by recruiting, setting objectives and reviewing performance to ensure staff are developed, driven and have the necessary skills to deliver the program objectives.
Principal Embedded Software Engineer Trident Systems IncPrincipal Embedded Software EngineerSterling, VAThis is a hands-on engineering role intended for a deeply experienced embedded software engineer who thrives in complex hardware-centric environments and contributes through strong technical execution, sound engineering judgment, architectural rigor, and mentorship of other engineers. The Principal Embedded Software Engineer serves as a highly experienced individual contributor responsible for embedded software architecture, implementation, and technical execution across advanced aerospace computing platforms and supporting engineering systems.
Principal MBSE Systems Engineer Science Applications International CorpPrincipal MBSE Systems EngineerChantilly, VA$160,001–$200,000 / yearYou will develop and maintain system models (ensure endtoend traceability, and support SIPaligned onboarding and integration, working closely with the Chief Engineer, System Architect, Integrator, Release Manager, and Government stakeholders to keep the technical baseline accurate, testable, and mission ready. Develop and maintain MBSE models (SysML; DoDAF/UPDM/UAF) in Cameo Systems Modeler / Teamwork Cloud to capture architecture, behavior, data flows, and interfaces.
Principal Technical Program Manager - CTJ - TS/SCI Microsoft CorpPrincipal Technical Program Manager - CTJ - TS/SCIReston, VA$142,800–$274,800 / yearAdditional or preferred qualifications: Bachelor's degree in computer science, Engineering, Information Systems, Business, or a related technical field and 8+ years of experience in technical program management, engineering, infrastructure delivery, cloud services, or product development; or equivalent experience. This role will lead end-to-end (E2E) technical programs across US Sovereign and Air-gapped Cloud (AGC), coordinating cross-organization technical exchanges and driving integrated plans from demand signal through capacity delivery.
Principal Security Engineer Verizon Communications IncPrincipal Security EngineerAshburn, VA$120,500–$231,000 / yearThe engineer would be required to leverage automation platforms to develop scripts and tools to enhance security operations and play a key role in monitoring, analyzing, and leading response to network security incidents while implementing proactive measures to safeguard critical assets. You will be responsible for owning the Network security posture, Security Lifecycle and protection against threats across the Broadband access network that includes, but is not limited to Edge Routers, Broadband Access routers and switches, CPE equipment and RAN transport infrastructure.
Principal Identity Solutions Engineer TS/SCI Polygraph Leidos Holdings IncPrincipal Identity Solutions Engineer TS/SCI PolygraphHanover, MD$131,300–$237,350 / yearJob Summary: The Secure Token Service (STS) Team Lead is responsible for leading the design, implementation, and sustainment of enterprise Identity, Credential, and Access Management (ICAM) solutions focused on Secure Token Services (STS) and Single Sign-On (SSO) capabilities. The ideal candidate possesses deep technical expertise in federation technologies, PKI, authentication protocols, cloud environments, and enterprise security architectures while serving as the technical lead for planning, implementation, and customer engagement.
Principal Product Manager, Personalization The Upside Travel Company, LLC.Principal Product Manager, PersonalizationWashington, DC$2–$3 / hourLead efforts to drive multi-vertical (Fuel, Grocery, Restaurant) network adoption, identifying high-relevance users and targeting them with localized, personalized communications based on proximity to relevant retail locations. Upside is building a sophisticated, personalized engagement system that uses AI, marketing technology, and consumer data to bring users to the Upside app with the right message, creative, and incentive at the right moment to drive the next highest action for the consumer.
Assistant Principal Rocketship Public SchoolsAssistant PrincipalWashington, DCAPs manage and coach teachers in their grade levels by leading data analysis cycles, regularly observing classrooms, providing continuous feedback, and co-planning units of study and lesson plans aimed at increasing educator effectiveness and leadership. Our non-profit network of public elementary charter schools propels student achievement, develops exceptional educators, and partners with parents who enable high-quality public schools to thrive in their community.
Principal Baltimore City Public SchoolsPrincipalBaltimore, MDThe Principal is an instructional leader that is critical to the acceleration of improved student outcomes across City Schools, through the support and supervision of instructional and school support staff and collaboration with Instructional Leadership Executive Directors. Actively engages and pursues a deep understanding of the school community, its strengths and needs, and develops productive relationships to leverage the community's cultural, social, intellectual, and political resources to promote student learning and school improvement.
Tech Lead/Principal Engineer, Public Sector EXIGERTech Lead/Principal Engineer, Public SectorMclean, VAExiger is named a Leader in the Gartner Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company's 'Brands That Matter,' and recipient of the Third Party Risk Association's Innovator Award, Exiger's technology has been recognized by leading analyst evaluations and 50+ awards. You will operate shared data infrastructure, support program teams running data planes built on your patterns, carry escalation for the hardest database problems across engagements, and represent data posture (residency, retention, encryption, access) in customer-context conversations.
Principal Integration Engineer Science Applications International CorpPrincipal Integration EngineerChantilly, VA$160,001–$200,000 / yearOur robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. Bachelor's degree in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, Applied Physics, or related field; Master's preferred.
Principal‑Level Software Engineer (Java, Python) ProObject IncPrincipal‑Level Software Engineer (Java, Python)Annapolis Junction, MD$155,000–$175,000 / yearThe engineer will work closely with data scientists and end users to develop analytic tools that support discovery and tradecraft around critical global challenges and operationalize data science within customer environments. To apply for this role, please apply here: https://idsinternational.applytojob.com/apply/zEHBs5lM6n/PrincipalLevel-Software-Engineer-Java-Python .
AI/Machine Learning Engineer Principal Science Applications International CorpAI/Machine Learning Engineer PrincipalChantilly, VA$120,001–$160,000 / yearJob Description: Work with government technical and contracts staff developing program acquisition packages including but not limited to statement of work, Justification & Approval, development of Request for Contract Action Package (RCAP) artifacts, Request For Information (RFI), Request For Proposal (RFP), and executive briefing materials. SAIC provides research, engineering, design, analysis, acquisition, development, integration, test, and operations support USG Intelligence Community (IC) and Department of Defense (DoD) customers.
Principal Systems Engineer Leidos Holdings IncPrincipal Systems Engineerfort meade, MD$131,300–$237,350 / yearLeidos is seeking a Principal Systems Engineer to lead the analysis of user requirements, CONOPS, and system architectures to design and deliver scalable solutions across Linux server environments, containerized platforms, and NexGen architectures. Twenty (20) years of Systems Engineering experience in programs of similar scope, including experience with Linux server environments, container technologies, GOTS product integration, and data flow tools such as Apache NiFi.
Senior Principal Digital Engineer Science Applications International CorpSenior Principal Digital EngineerChantilly, VA$160,001–$200,000 / yearSupport development or assessment of system Concept of Operations, Requirements Documents, Test Plans, Contract Statements of Work, Systems Engineering Plans, and contribute to staff work needs (e.g., action items, weekly reports, etc.), including support to acquisitions and source selections. You will drive end-to-end digital engineering efforts, from problem framing and architecture design through production, deployment, and operational excellence-while serving as the trusted technical advisor for mission-critical systems.
Intel Analyst Sr Principal Science Applications International CorpIntel Analyst Sr PrincipalChantilly, VA$160,001–$200,000 / yearSAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the Intelligence Community, is seeking creative and dedicated professionals to fulfill their career goals and objectives while delivering mission excellence on programs of national importance. SAIC is seeking an Intel Analyst with an active polygraph clearance to perform the follow job duties: Research and write multiple types of analytical products to support both internal and external mission partners.
Principal Electrical Engineer Trident Systems IncPrincipal Electrical EngineerFairfax, VA$114,000–$211,000 / yearThe Principal Hardware Engineer partners closely with cross-functional engineering teams, program leadership, and customers to solve complex technical challenges, support program execution and business development efforts, and shape the long-term technology roadmap for the organization. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.