Principal Solutions Architect CIS SecurePrincipal Solutions ArchitectAshburn, VirginiaFull timeOur products and solutions include secure telephones and computers, encrypted tactical communications systems, secure tele- and video-conferencing systems, and specialized systems designed for use within secure networks and challenging operational environments. Serving as a primary technical interface with customers, this individual will translate complex mission, technical, and functional requirements into compliant, functional architectures and help guide solutions from initial concept and customer presentation through design, prototyping, development, and delivery.
Principal Architect - Active Top Secret required GD Information TechnologyPrincipal Architect - Active Top Secret requiredWashingtonTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
Principal Mechanisms Design Engineer - TeraWave Blue OriginPrincipal Mechanisms Design Engineer - TeraWaveWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Education And Science Principal HDR, Inc.Education And Science PrincipalArlington, VAOur eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day.
Principal/Chief Engineer (TS/SCI with CI Poly) VantorPrincipal/Chief Engineer (TS/SCI with CI Poly)Herndon, VirginiaAs the Chief Engineer for the HPC solutions team, the successful candidate will be responsible for managing the overall work effort and products of the engineering and system administration staff over the full lifecycle of programs and projects for engineering, integration and deployment. This includes performing systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, architecture design, integration, system testing, and quality assurance.
Principal Product Manager - Space Systems Iceye UsPrincipal Product Manager - Space SystemsHerndon, VirginiaActive customer interaction and advocacy, including significant interactions with partners, will be needed to understand and codify requirements, help to manage relationships with representatives within the customer’s organization, drive product improvements and competitive advantage for ICEYE US. We’re looking for a confident leader who can guide cross-functional teams in establishing a new range of capabilities and market facing products that meet customer needs and grow market share for ICEYE US.
Principal Network Engineer Blue OriginPrincipal Network EngineerWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Principal/Lead Nuclear Engineer Mpr Associates, Inc.Principal/Lead Nuclear EngineerAlexandria, VirginiaOversee MPR engineers performing neutronics simulations and core design: criticality safety evaluations, critical core configurations, fuel cycle management, activation calculations, radiation detection and shielding analyses: alarm setpoint determination, shielding optimization, ALARA implementation, dosimetry calculations. The role requires deep expertise in or an ability to quickly master several nuclear engineering related topics, including neutronics, thermal hydraulics, shielding, fuel and nuclear materials, and radiological consequence evaluation combined with strong communication skills, adherence to best practices, and an eye for growing MPR's portfolio.
Principal Researcher (Unit 42) Palo Alto NetworksPrincipal Researcher (Unit 42)Arlington, VirginiaAs a Principal Threat Intelligence Researcher on the Unit 42 CTI Services Delivery Team, you will play a critical role in creating timely, relevant, and actionable threat insights for our customers. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below.
Principal Product Manager - Threat Detection Content (Hybrid) CrowdStrikePrincipal 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 Software Engineer Envision Innovative SolutionsPrincipal Software EngineerAnnapolis Junction, MD$215,000–$250,000 / yearProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
Principal Software Development Engineer MasterCardPrincipal Software Development EngineerArlington, 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. Proven ability to sell solutions, persuade cross-functional group, garner support for solutions and bring group to a consensus and strong ability in collection and formulation of data, development of Metrics and dashboard reporting.
Capture Manager, Principal- Defense And Intel ASRC Federal Holding CompanyCapture Manager, Principal- Defense And IntelReston, VADemonstrated experience leading a cross-matrix team comprised of business development, proposals, pricing, estimating, and other shared services (i.e., Human Resources).High-level presentation skills with ability to communicate complex strategies to both executive leadership and clients. This role involves managing all aspects of the capture process including working closely with business development, proposal operations, technical subject matter experts, estimating, price to win, and pricing teams to create cohesive and competitive capture strategies.
Principal Systems Administrator Envision Innovative SolutionsPrincipal Systems AdministratorAnnapolis Junction, MD$210,000–$219,000 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. • Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices.
NewPrincipal Threat Intelligence Engineer - Remote Or Hybrid In MN Or DC UnitedHealth Group Inc.Principal Threat Intelligence Engineer - Remote Or Hybrid In MN Or DCWashington, DCRemote$112,700–$193,200 / yearThe role focuses on ingesting, normalizing, and enriching threat intelligence information, integrating Threat Intelligence Platforms (TIPs) and intelligence sources with security tooling (e.g., SIEM, SOAR, EDR), and deploying automated intelligence-enabled detection and response workflows. The Principal Threat Intelligence Engineer is expected to execute the delivery of technical intelligence solutions to CTI, SOC, Threat Detection, and Threat Hunting teams that accelerate the processing and dissemination of intelligence, increase speed of detection, and enable rapid response.
Design Principal Little CareersDesign PrincipalMc Lean, VirginiaPartnering with a transdisciplinary team, you’ll listen intently, ask insightful questions, surface and frame the real challenges, generate and test ideas, and guide teams toward solutions that measurably advance your clients’ strategic and operational goals. A renowned design firm seeking a Design Principal who will continually elevate the quality of our work in the DC (Tysons Corner) office through positive leadership, a collaborative work style, and deep design expertise.
Principal Enterprise Schedule Analytics & Operations Research Analyst PeratonPrincipal Enterprise Schedule Analytics & Operations Research AnalystHerndon, Virginia$104,000–$166,000 / yearFull timeThe incumbent leverages the IRIS AI-enabled Schedule Intelligence capability to analyze enterprise Integrated Master Schedules (IMS), identify hidden constraints, quantify schedule impacts, optimize execution strategies, and support executive decision-making. Conduct independent studies assessing vendor production capacity, raw material availability, manufacturing throughput, installation sequencing, workforce utilization, resource constraints, and supply chain impacts.
Principal Engineer Analyst – Azure Cloud Migration & Modernization / Active Secret PeratonPrincipal Engineer Analyst – Azure Cloud Migration & Modernization / Active SecretArlington, Virginia$104,000–$166,000 / yearFull timeApplicants must currently hold one of the following professional certifications or obtain one prior to start date (continued certification required): CASP+ CE, CCNA Cyber Ops, CCNA-Security, CCNP Security, CEH, CFR, CISA, CISSP (or Associate), Cloud+, CySA+, GCED, GCIA, GCIH, GICSP, SCYBER, VCA DCV, PPDA, Agile IC, SNOW App Dev. This role requires an experienced engineer who can take ownership of the entire lifecycle—from assessing the current environment and defining the future-state architecture to leading migration activities, establishing governance, and supporting long-term operations.
Systems Architect, Principal PeratonSystems Architect, PrincipalReston, Virginia$146,000–$234,000 / yearFull timeResponsibilities: Peraton is seeking a Systems Architect Principal to join our national intelligence program in Northern Virginia as the primary visionary and strategist to transition the client’s Enterprise IT Infrastructure to a cutting edge resilient, scalable and self-healing Infrastructure environment. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
NewPrincipal Partner Enablement Manager Keyfactor, Inc.Principal Partner Enablement ManagerBethesda, MDKeyfactor is the leader in trust infrastructure for AI and machines, helping the world's largest enterprises and government agencies take control of the cryptographic identities that safeguard every digital interaction. If you're looking for work that matters and a team that brings out your best, we hope you'll trust your future with Keyfactor!