Principal Architect, AI-Native Platform Transformation MedalliaPrincipal Architect, AI-Native Platform TransformationMcLean, Virginia$229,000–$360,000 / yearFull timeRedefine the platform's contracts for that world, with APIs designed for agent consumption, permission models for non-human identity, state management for long-running autonomous workflows, and observability that explains agent behavior to humans. Demonstrated experience authoring Architecture Decision Records (ADRs), reference architectures, and executive narratives for systems impacting engineering teams, with a demonstrated ability to present technical trade-offs to VP-level or C-level stakeholders.
Senior Principal Engineer Bright Vision TechnologiesSenior Principal EngineerSterling, VARemote$175,000–$200,000 / yearThe ideal candidate will drive strategic engineering decisions, serve as a technical authority across multiple teams and platforms, and combine deep technical mastery with mature judgment, broad influence, and the ability to mentor and elevate senior engineers across the organization. Job Summary We are seeking a highly experienced Principal Software Engineer to lead enterprise-wide architectural initiatives, define long-term technology strategy, and deliver highly scalable, resilient distributed systems.
Principal .NET Developer Bright Vision TechnologiesPrincipal .NET DeveloperSterling, VARemote$120,000–$170,000 / yearThis role spans the full engineering lifecycle — requirements analysis, architectural design, hands-on implementation, code review, deployment, and post-release support — with particular emphasis on building scalable APIs, responsive front-end applications, and cloud-integrated services. NET Developer Location: 100% Remote (United States) Position Type: Full-time, Direct W2 Salary Range: $120,000–$170,000 Annually Experience: 6+ years Sponsorship: U.S.
Principal Java Developer Bright Vision TechnologiesPrincipal Java DeveloperSterling, VARemoteFull timeThe successful candidate will bring deep backend expertise in Java and the Spring ecosystem, combined with strong hands-on experience building responsive, component-driven front-end applications using modern JavaScript frameworks. You will work closely with product managers, architects, DevOps engineers, and fellow developers in an Agile environment to deliver high-quality, secure, and performant applications that directly support strategic business outcomes.
Principal Product Lead (TL2) STRPrincipal Product Lead (TL2)Arlington, VA$206,000–$275,000 / yearAs a Principal Product Lead in the SET group, you will work with SET leadership to craft, drive, and execute a product development and marketing strategy that will integrate, test, and demonstrate SET capabilities to achieve (1) more efficient re-use on new B2G (Business-to-Government) Research and Development opportunities, (2) integrated system offerings for B2G system acquisition opportunities, and (3) component and sub-system offerings for B2B (Business-to-Business) supply chain opportunities. The Signals Exploitation and Tracking (SET) Group in the Analytics and C2 Division focuses on applying machine learning, statistics, estimation theory, and information theory algorithms for signals exploitation, target tracking, predictive analytics, and system resource management.
Principal Algorithm & Signal Processing Engineer STRPrincipal Algorithm & Signal Processing EngineerArlington, VA$206,000–$284,000 / yearOur engineers are empowered to pursue innovative technical ideas, engage directly with customers, lead multidisciplinary teams, and transform advanced research into prototype capabilities that address the nation's most challenging RF sensing and electronic warfare problems. We investigate cutting-edge technologies and collaborate with engineers across STR, academic researchers, and industry partners to develop practical solutions to RF sensing and counter-sensing challenges.
Principal Cybersecurity Engineer Workday IncPrincipal Cybersecurity EngineerReston, VA$184,800–$277,200 / yearWe know that flexibility can take shape in many ways, so rather than a number of required days in-office each week, we simply spend at least half (50%) of our time each quarter in the office or in the field with our customers, prospects, and partners (depending on role). This is a highly technical principal role with the understanding that you are already conversant in incident response, security automation, system security, network security, threat hunting, forensics, data loss prevention and artificial intelligence.
Principal Backend Developer Bright Vision TechnologiesPrincipal Backend DeveloperSterling, VARemoteFull timeThe ideal candidate combines deep distributed systems expertise with strong platform-engineering instincts, values internal developer experience as a first-class concern, and has a track record of leading multi-quarter platform initiatives that meaningfully raise the engineering bar for the organizations they support. This role focuses on building backend platform capabilities — request routing, traffic management, data fan-out, caching layers, asynchronous job execution, and durable event processing — that must handle very high traffic volumes with predictable latency and minimal operational toil.
Principal Product Manager - Threat Detection Content (Hybrid) CrowdStrike IncPrincipal Product Manager - Threat Detection Content (Hybrid)Arlington, VA$160,000–$250,000 / yearIn this role, you will bring your in-depth knowledge of the Threat Detection market (including Endpoint, Cloud, and other core pillars) to help guide the evolution of CrowdStrike's visibility, detection, and prevention technologies. About the Role: The Product Management team is seeking an experienced Principal Product Manager who is technical, collaborative, and truly excited about building great security products.
Principal Solutions Architect - Quantum-Safe Networks IonQ IncPrincipal Solutions Architect - Quantum-Safe NetworksDCRemote$192,979–$276,722 / yearPlease note that in the absence of confirming you are a U.S. Person for export control and government contracts work purposes, IonQ may choose not to apply for a license or decline to use a license exception (if available) for you to access export-controlled technology that may require authorization, and similarly, you may not qualify for government contracts work that requires U.S. Persons, and IonQ may decline to proceed with your application on those bases alone. IonQ's newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense.
Principal, AI Engineer Venture Global LNGPrincipal, AI EngineerArlington, Virginia$190,400–$238,000 / yearUsing reliable, proven technology in an innovative plant design configuration, Venture Global’s modular, mid-scale plant design will replace traditional designs as it allows for the same efficiency and operational reliability at significantly lower capital cost. This role partners closely with the Director of AI Engineering on strategy, with Data Engineering on ontology and semantic modeling, and with senior stakeholders to ensure architectural decisions are sound, scalable, and secure.
Principal Space Systems Research and Development Engineer BlackSkyPrincipal Space Systems Research and Development EngineerHerndon, VA$180,000–$215,000 / yearAs a principal engineer in the Space Systems R&D group, you will lead the technical development of a portfolio of innovative satellite-related technologies to deliver validated, high-impact prototypes that are ready for integration into BlackSky’s operational capabilities. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Principal Technical Program Manager, Mission Platforms Clearance Required Logistics Management InstitutePrincipal Technical Program Manager, Mission Platforms Clearance RequiredFort Belvoir, VA$134,000–$190,000 / yearIndividual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors-helping agencies navigate complexity and outpace change.
Principal Sales Account Executive, Enterprise Behavox Ltd.Principal Sales Account Executive, EnterpriseTysons Corner, VAStrategic account ownership and influence - Retains long-term commercial ownership of global strategic accounts while setting the bar for enterprise sales execution through influence on vertical sales strategy, value frameworks, and executive messaging without people management or formal authority. Global strategic outbound and pipeline ownership - Owns outbound pipeline creation for top-tier global strategic accounts, with heavy reliance on direct AE-led prospecting and partnership with SDR and Marketing to engage senior executives across business units and geographies.
Principal Architect ESimplicityPrincipal ArchitectColumbia, MD$147,700–$200,000 / yearExperience with modern cloud platforms, infrastructure-as-code tooling, lakehouse or comparable data platforms, data governance layers, distributed processing, source control, CI/CD, API services, serverless patterns, secure data-sharing patterns, BI platforms, workflow tools, identity services, observability platforms, AI/ML platform capabilities, model serving, vector search, automated model evaluation, and retrieval-augmented generation patterns. Guide architecture for platform-first delivery, approved technology direction, infrastructure as code, governed data trust patterns, API-first reuse, secure data sharing, AI-enabled service patterns, public-facing dashboards, and transition-ready artifact management.
Principal Systems Engineer 2HBorporatedPrincipal Systems EngineerAnnapolis Junction, MarylandThe position requires strong Linux CLI expertise and deep Jira Service Desk administration experience, with responsibility for driving cross‑stakeholder alignment, maintaining disciplined configuration and change control, and producing clear, comprehensive technical documentation. Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.
Principal Product Manager - Data Security (Hybrid) CrowdStrikePrincipal Product Manager - Data Security (Hybrid)Arlington, VA$160,000–$250,000 / yearAbout the Role: We're looking for a seasoned Principal Product Manager to join our team, with experience in developing large-scale, complex distributed systems and a proven track record of delivering customer-centric solutions. Cross-Functional Leadership: Lead cross-functional teams, including engineering, delivery, R&D, marketing, sales, and customer support, to deliver high-quality products on time.
Principal AI Platform Engineer - AI Center Of Excellence MasterCardPrincipal AI Platform Engineer - AI Center Of ExcellenceArlington, VA$195,000–$323,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Lead RFI and RFP processes for AI infrastructure components, including CPU, GPU, storage, and networking, defining technical and commercial evaluation criteria, reviewing vendor responses, and driving fact based selection decisions in partnership with sourcing and finance teams.
Sr. Principal CIDO IT Program Manager Northrop Grumman CorpSr. Principal CIDO IT Program Managerlinthicum, MDRemote$135,800–$203,600 / yearThis leader will support the Mission Systems Sector PMO Mission Next (MNX) Division reporting to the MS CIDO MNX Division Director, You will lead cross-functional support teams in a matrixed organizational structure to provide overall technology thought leadership, strategy, and IT management for a multi-program portfolio. Basic Qualifications: Associate's degree with 10 years of relevant experience, or a Bachelor's degree with 8 years of relevant experience, or a Master's degree with 6 years of relevant experience, or a PhD with 4 years of relevant experience; a High School diploma or equivalent with 12 years of relevant experience may be considered in lieu of a completed degree.
Electronics Engineer / Principal Electronics Engineer Northrop Grumman CorpElectronics Engineer / Principal Electronics EngineerBaltimore, MD$87,600–$131,400 / yearThe 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. Basic Qualifications for an Electronics Engineer: Bachelor''s Degree in a STEM discipline (Science, Technology, Engineering or Math) and a minimum of 2 years of relevant work experience.