Principal Systems Architect III (6706) MetroStar SystemsPrincipal Systems Architect III (6706)Washington, DC$172,000–$207,000 / yearDefine technical strategy, reference architectures, and guardrails; assure engineering excellence, security‑by‑design, and interoperability across enclaves. As Principal Systems Architect III (6706), you'll serve as chief technologist across software architecture, AI/ML systems, data and enterprise integration.
Principal Engagement Manager - Paradox Workday IncPrincipal Engagement Manager - ParadoxReston, VA$154,700–$232,100 / 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). As an Engagement Manager - Paradox you are responsible for leading the delivery of customer projects, from post-sale through to a successful implementation in one of the most exciting services delivery teams in Workday.
Principal Systems Engineer GD Information TechnologyPrincipal Systems EngineerMcLean, VirginiaConfigure, patch, and monitor systems and network devices using tools such as Palo Alto firewalls, Cisco switches, Panorama, ClearPass, and related platforms, ensuring performance, integrity, connectivity, and backup/recovery capabilities. To 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.
NewPrincipal Algorithm Engineer (Eo/Ir Image Analysis) Rocket Lab USAPrincipal Algorithm Engineer (Eo/Ir Image Analysis)Chantilly, VA$259,000–$370,000 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Rocket Lab's Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
NewPrincipal Cybersecurity Engineer (Starshield) SpaceXPrincipal Cybersecurity Engineer (Starshield)Washington, DC$225,000–$340,000 / yearBachelor’s degree in computer science, computer engineering, computer security, or a similar field, and 7+ years of professional experience in cybersecurity for active production systems; OR 10+ years of experience in cybersecurity for active production systems. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
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 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 Cyber Security Engineer, Strategy and Architecture ViaSat IncPrincipal Cyber Security Engineer, Strategy and ArchitectureReston, VA$285,500–$428,500 / yearExperienced in environments which are subject to regulatory frameworks such as FedRAMP, CMMC, HIPAA, PCI-DSS, or SOC 2. Familiar with zero-trust architecture principles and practical implementation challenges. Help bridge the gap between security operations and security engineering by ensuring that operational realities inform engineering decisions, and that engineered solutions work under operational pressure.
Principal Systems Architect - AI Integration III 6706 Metrostar SystemsPrincipal Systems Architect - AI Integration III 6706Washington, DC$166,000–$202,000 / yearDefine technical strategy, reference architectures, and guardrails; assure engineering excellence, security‑by‑design, and interoperability across enclaves. As Principal Systems Architect - AI Integration III (6706), you'll serve as chief technologist across software architecture, AI/ML systems, data and enterprise integration.
Principal Systems Architect - Enterprise AI III 6706 Metrostar SystemsPrincipal Systems Architect - Enterprise AI III 6706Washington, DC$166,000–$202,000 / yearDefine technical strategy, reference architectures, and guardrails; assure engineering excellence, security‑by‑design, and interoperability across enclaves. As Principal Systems Architect - Enterprise AI III (6706), you'll serve as chief technologist across software architecture, AI/ML systems, data and enterprise integration.
Principal Systems Architect III 6706 Metrostar SystemsPrincipal Systems Architect III 6706Washington, DC$166,000–$202,000 / yearDefine technical strategy, reference architectures, and guardrails; assure engineering excellence, security‑by‑design, and interoperability across enclaves. As Principal Systems Architect III (6706), you'll serve as chief technologist across software architecture, AI/ML systems, data and enterprise integration.
Principal Product Manager - Threat Detection Engine and Content (Hybrid) CrowdStrike IncPrincipal Product Manager - Threat Detection Engine and Content (Hybrid)Arlington, VA$160,000–$250,000 / yearAbout 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. Collaborate closely with CrowdStrike's Malware Research Center, Data Science, and Engineering teams to understand threat and attack trends and proactively deliver cutting-edge defenses.
Principal Optical Engineer QinetiQ USPrincipal Optical EngineerLorton, Virginia$164,500–$213,500 / yearYou’ll support programs to provide our customers with capabilities like long-range optics for scout surveillance and fires support, body-worn EOIR sensors, fire control, and more— you’ll help provide the sensing capability that enables the ‘observe’ stage of the OODA (observe, orient, decide, act) loop. Position Overview: QinetiQ US is looking for a Principal Optical Engineer experienced in electro-optic/ infrared (EOIR) imaging sensor optical design, laboratory optical characterization, and prototype integration with a willingness to learn new skills to join our team.
Principal Architect Scale AIPrincipal ArchitectWashington, DC$257,000–$321,000 / yearOur products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position, determined by work location and additional factors, including job-related skills, experience, interview performance, and relevant education or training.
Principal Applied Scientist - TS/SCI VantorPrincipal Applied Scientist - TS/SCIHerndon, VirginiaWorking closely with data scientists, machine learning engineers, software developers, and operational subject matter experts, the Principal Applied Scientist is responsible for developing high-fidelity models, validating scientific assumptions, assessing uncertainty, and ensuring that analytical outputs accurately characterize UTS risks and mitigation strategies. This individual combines expertise in computational modeling, applied mathematics, physics, and data science to ensure that machine learning models, agent-based simulations, and analytical frameworks accurately represent real-world phenomena and produce scientifically defensible, operationally relevant results.
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.
Sr. Principal Threat Intelligence Engineer- Remote or Hybrid in MN or DC UnitedHealth Group IncSr. Principal Threat Intelligence Engineer- Remote or Hybrid in MN or DCWashington, DCRemote$134,600–$230,800 / yearThe Senior Principal Threat Intelligence Engineer is expected to conceptualize, guide, and 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. The 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.
Consultant, Senior Principal (Cybersecurity) ABS Group of CompaniesConsultant, Senior Principal (Cybersecurity)Washington, DCRemote$150,000–$190,000 / yearAbility to actively listen to the needs of our clients by receiving shared information and determine context of the information provided and generating probing questions to better understand, retaining the information for future access, engaging with sales team on potential opportunities, suggesting solutions to sales team, and responding with proposed solutions. Ability to utilize established rapport and role as a subject matter expert with existing clients to facilitate development of new business through identifying and consistently generating new business opportunities.
Principal Technical Program Manager Oracle CorpPrincipal Technical Program ManagerReston, VA$97,500–$209,500 / yearData Hall Design includes the physical infrastructure design workstreams required to prepare data halls for scalable OCI deployment, including structured cabling, fiber infrastructure, low-voltage systems, physical networking dependencies, construction handoffs, colocation readiness, and operational handoff milestones. This role will report to the Director of Technical Program Management for Data Hall Design and will operate as a senior individual contributor responsible for program execution, delivery governance, risk management, dependency tracking, process improvement, and stakeholder alignment.
Principal Consultant - FirstNet Oracle CorpPrincipal Consultant - FirstNetDC$71,200–$158,200 / yearWe are looking for an experienced Consultant to help design, build/configure, activate, and support the implementation of Oracle Health EHR (Millennium) solutions across Federal agencies including the Department of Defense, United States Coast Guard, Veterans Affairs and Indian Health Service. Basic Qualifications: At least 3+ years total combined related work experience and completed higher education, including: At least 2 years healthcare information technology (HCIT) consulting, HCIT support and/or other client-facing or information technology (IT) solution work experience.