Principal Cloud Systems Engineer GliaCell TechnologiesPrincipal Cloud Systems EngineerColumbia, MD$200,000–$280,000 / yearWe are seeking an innovative and analytical Systems Engineer to join our research and development team focused on the future of cloud-native architectures, specifically Content Delivery Networks (CDNs). We 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.
Rolling Stock Electrical Services Senior/Principal Consultant AtkinsRealisRolling Stock Electrical Services Senior/Principal ConsultantWashington, DC$130,000–$216,000 / yearWe are seeking a Rolling Stock Electrical Services Senior/Principal Consultant to join our team in Los Angeles, CA to provide high quality rolling stock consultancy services to clients primarily in the field of electrical systems, such as vehicle control circuits, propulsion and traction control, auxiliary power/battery, EMI/EMC, software, lighting, high voltage collection and distribution, communication systems, monitoring & diagnostics, and/or other rail vehicle electrical systems across of a variety of vehicle types, including commuter rail, streetcars, light rail, locomotives, and metro vehicles. AtkinsRéalis believes that conviction records may have a direct, adverse, and negative relationship to the following job duties: accessing company property, information, assets, and products; accessing confidential information and partnering and regularly working with or supervising other AtkinsRéalis employees and interacting with AtkinsRéalis clients including government property or ports.
Principal Architect Unissant IncPrincipal ArchitectWashington, DCPreferred certifications include TOGAF, AWS Certified Solutions Architect, Microsoft Certified: Azure Solutions Architect Expert, Google Cloud Professional Cloud Architect, SAFe Architect, or comparable cloud, DevSecOps, security, data architecture, and enterprise architecture credentials. This role will work closely with client technical stakeholders, program leadership, and delivery teams to ensure the program's cloud, security, data, analytics, AI-enabled services, and integration capabilities are secure, scalable, interoperable, and aligned to mission needs.
Principal Architect UnissantPrincipal ArchitectWashington, DCFull timePreferred certifications include TOGAF, AWS Certified Solutions Architect, Microsoft Certified: Azure Solutions Architect Expert, Google Cloud Professional Cloud Architect, SAFe Architect, or comparable cloud, DevSecOps, security, data architecture, and enterprise architecture credentials. This role will work closely with client technical stakeholders, program leadership, and delivery teams to ensure the program's cloud, security, data, analytics, AI-enabled services, and integration capabilities are secure, scalable, interoperable, and aligned to mission needs.
Principal, Public Sector Compliance CohesityPrincipal, Public Sector ComplianceWashington DCCohesity helps organizations defend against cybersecurity threats with comprehensive data security and management capabilities, including immutable backup snapshots, AI-based threat detection, monitoring for malicious behavior, and rapid recovery at scale. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact us at 1-855-9COHESITY or recruiting@cohesity.com.
AI Machine Learning Developer Principal Science Applications International CorpAI Machine Learning Developer PrincipalArlington, VA$160,001–$200,000 / yearIn this matrixed role, you will lead the creation, prototyping, and operationalization of cutting-edge Artificial Intelligence and Machine Learning (AI/ML) Proof of Concepts (PoCs) specifically tailored for Intelligence Community (IC) mission use cases. Bachelor's degree in Computer Science, Data Science, Engineering, or a related technical discipline with 9+ years of relevant experience; OR Master's degree with 7 years of relevant experience.
Principal Product Manager, Risk & Fraud Circle Internet Financial LLCPrincipal Product Manager, Risk & FraudWashington, DCRemote$200,000–$260,000 / yearDefine the strategy and roadmap for a risk and fraud platform that supports real-time and asynchronous risk decisions across products and markets that supports crypto- and traditional financial rails, as well as risk-related use cases across onboarding, account linking, and other customer lifecycle events - with a focus on building a user-friendly rules engine and intuitive tooling for risk operators. Build fraud prediction and detection systems from the ground up by defining risk vectors affecting Circle's product roadmap and executing mitigating controls to address them by integrating party vendor models, and creating iterative feedback loops that learn from past fraudulent behavior.
Principal Design Manager, Data Centers Iron Mountain IncPrincipal Design Manager, Data CentersAnnapolis, MDRemote$163,400–$217,900 / yearFunctioning as a strategic builder, you will operate with broad autonomy across regional and global teams to govern design approaches across multiple sites, shape playbooks, and advise senior leaders on technical strategy and platform capability. Advise Executive Leadership: Resolve precedent-setting, highly ambiguous technical issues while advising senior leaders on design strategy, commercial trade-offs, and long-term capability needs.
Principal Cybersecurity Engineer Leidos Holdings IncPrincipal Cybersecurity EngineerAdelphi, MD$131,300–$237,350 / yearYou will evaluate emerging cybersecurity technologies, recommend and design enterprise solutions, and lead feasibility studies, proofs of concept, pilot projects, and other research and development initiatives designed to strengthen the customer's cybersecurity posture. Leidos is seeking a Principal Cybersecurity Engineer to support the C5ISR Center Cyber Security Service Provider (CSSP), a premier defensive cyber operations organization operating 24x7x365.
Data Scientist, Principal - AI Product Engineering Blue Cross and Blue Shield AssociationData Scientist, Principal - AI Product EngineeringBaltimore, MDYou will design, build, and ship production-grade AI products including LLM-powered applications, AI agents and copilots, retrieval-augmented generation (RAG) and search, and AI-enabled automation embedded directly into customer-facing applications and enterprise workflows such as claims, payment integrity, clinical insights, and member experience. This role focuses on rapidly developing new features and working across partner teams to deliver solutions and maximize impact, translating cutting-edge AI research into real-world products and taking features from 0 to 1.
Data Engineer, Principal Blue Cross and Blue Shield AssociationData Engineer, PrincipalAnnapolis, MDIn this role you will be partnering with Enterprise Architects, Portfolio, Analytics and Data engineering teams for designing technical solutions and building data products to meet enterprise data needs. Expert in understanding data management practices, data modelling (data vault 2.0), master data management, data integration, data architecture, data virtualization, data warehousing, data privacy and security.
Principal Hardware Design Engineer Leidos Holdings IncPrincipal Hardware Design EngineerLaurel, MD$131,300–$237,350 / yearAs part of a multidisciplinary engineering team, you will serve as a senior technical authority, guiding complex engineering efforts, advancing innovative design methodologies, and helping shape the future direction of hardware engineering capabilities supporting national security missions. As a Principal Hardware Design Engineer, you will provide expert technical guidance across complex engineering efforts while developing innovative hardware solutions, advancing reverse engineering methodologies, and mentoring engineering teams.
Principal Investigator Care Access Research LLCPrincipal InvestigatorArlington, VARemote$200,000–$400,000 / yearWith programs like Future of Medicine, which makes advanced health screenings and research opportunities accessible to communities worldwide, and Difference Makers, which supports local leaders to expand their community health and wellbeing efforts, we put people at the heart of medical progress. Provide medical support to sub-investigators and study staff for protocol-related issues including protocol clarifications, inclusion/exclusion determinations, and issues of patient safety and/or eligibility.
DevSecOps Engineer Principal - Platform Science Applications International CorpDevSecOps Engineer Principal - PlatformArlington, VA$160,001–$200,000 / yearAs the leading Joint All Domain Command and Control (JADC2) integrator, we specialize in transforming outdated command and control systems into dynamic, secure, hybrid cloud environments that enable real-time decision-making and maximize mission success. Supporting Every Phase of the SDLC: Ensure development pipelines, staging, test, and production environments are secure, scalable, and operationally efficient - driving product reliability and mission success.
Principal Python Software Engineer (Partial Telework) GliaCell TechnologiesPrincipal Python Software Engineer (Partial Telework)Annapolis Junction, MD$200,000–$280,000 / 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. Location: Annapolis Junction, Maryland (Partial Telework of 16 hours per week is expected) Note : Telework granted for this position does not become available until after the individual has been in the position for a period of time, has acclimated to tasking/duties, and has meaningful work that can be done remotely.
Principal Engineer, Scada Engineering (Bess) InvenergyPrincipal Engineer, Scada Engineering (Bess)Washington, DC$155,000–$180,000 / yearThis role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.
Principal Test Engineer GliaCell TechnologiesPrincipal Test EngineerAnnapolis Junction, MD$200,000–$280,000 / 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. 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 Technical Project Manager (TPM) Leidos Holdings IncPrincipal Technical Project Manager (TPM)Bethesda, MD$131,300–$237,350 / yearSuccessfully execute project plans, remain sensitive to customer needs, resolve issues, escalate when appropriate and capture and validate requirements, developing and managing project governance plans, project schedules, team goals, defining success criteria and project milestones, and budgets while identifying and mitigating limitations to execution. The TPM supports the Agile Release Train Program Manager (ART PM) and Technical Lead (TL) in developing Epics, Features and application roadmaps for the design and development of new and existing applications.
Lead / Principal - Mechanism & Multi-Body Dynamics Engineer Stanley Black & DeckerLead / Principal - Mechanism & Multi-Body Dynamics EngineerTowson, MarylandThis role is responsible for building and validating multi-body dynamic models of mechanical systems, including drivetrains, linkages, impact mechanisms, rotating assemblies, and motion transmission systems, to improve product performance, durability, and design robustness. Join our top-notch team of approximately 43,500 diverse and high-performing professionals globally who are making their mark on some of the world’s most beloved brands, including DEWALT®, BLACK+DECKER®, CRAFTSMAN®, STANLEY®, CUB CADET®, and HUSTLER®.
Principal HPC Software Engineer GliaCell TechnologiesPrincipal HPC Software EngineerAnnapolis Junction, MD$170,000–$260,000 / yearOr, a Master’s degree in Math, Computer Engineering, Computer Science, or related discipline from an accredited college or university, plus 5 years of experience as an HSE in programs and contracts of similar scope, type, and complexity. Bachelor’s degree in Math, Computer Engineering, Computer Science, or related discipline from an accredited college or university & 7 years of experience as an HSE in programs and contracts of similar scope, type, and complexity.