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 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 Technical Staff (CLEARANCE REQUIRED) STRPrincipal Technical Staff (CLEARANCE REQUIRED)Arlington, VA$220,000–$260,000 / yearThe 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. This position requires leading continued development of relevant technology products, as well as leading a portfolio of research and development programs, specifically focused on delivering advanced algorithm and software solutions for the Intelligence Community and Department of Defense.
Principal Defense Systems Analyst STRPrincipal Defense Systems AnalystWashington, DC$220,000–$260,000 / yearWe focus on the capability and limitations of ground, air, and space sensing and counter-sensing platforms (both crewed and uncrewed) and the resource management of these assets in the service of the survivability and capability of US air and space assets (e.g., the F-35 Joint Simulation Environment) using the methods of operational and systems analysis. You will lead and advise fellow researchers, scientists, and engineers on multi-disciplinary teams spread across multiple STR campuses to understand customer objectives, craft strategic plans, lead proposal efforts, and develop innovative solutions to complex and challenging national security problems.
Principal Model-Based Systems Engineer STRPrincipal Model-Based Systems EngineerArlington, VA$206,000–$284,000 / yearThe ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization. In addition to modeling in SysML, the Systems Engineer will be responsible for implementing and guiding teams in the customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals.
Principal Software Reverse Engineer STRPrincipal Software Reverse EngineerArlington, VA$204,000–$284,000 / yearReverse engineering complex software or firmware targets, ranging from typical Windows/Linux binaries to embedded firmware running non-traditional computer architectures and operating systems. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
Principal Data Scientist - Gen AI XometryPrincipal Data Scientist - Gen AINorth Bethesda, MDIn this role, you will serve as a technical leader, owning a 12 month technical roadmap, driving large-scale cross-functional ML and AI initiatives, and setting the long-term scientific direction for AI-driven solutions that enhance Xometry's service offerings. Generative AI Development: Develop and deploy generative AI models and large language models (LLMs) for multimodal document processing, focusing on extracting structured data from technical drawings, purchasing orders, and other complex documents.
Principal / Senior Partner Technical Enablement Lead, Workday Wellness Workday IncPrincipal / Senior Partner Technical Enablement Lead, Workday WellnessDC$173,400–$260,200 / yearAs the Partner Technical Enablement Lead for Workday Wellness, you will own the technical journey for our Wellness Partners, ensuring they understand Workday HCM/Benefits functionality, master our API capabilities, and are fully equipped to guide enterprise customers through successful product deployments. Equip partners with both the technical expertise and program management frameworks required to lead customer deployments: Coach partners on best practices across all deployment phases (discovery, design, build, test, deploy, and post go-live).
NewPrincipal Product Manager - Threat Detection Engine and Content (Hybrid) CrowdStrikePrincipal Product Manager - Threat Detection Engine and Content (Hybrid)Arlington, VA$160,000–$250,000 / yearCollaborate closely with CrowdStrike’s Malware Research Center, Data Science, and Engineering teams to understand threat and attack trends and proactively deliver cutting-edge defenses. We base all employment decisions--including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay-offs, return from lay-off, terminations and social/recreational programs--on valid job requirements.
NewPrincipal OT Cybersecurity / ICS Security Architect Peraton IncPrincipal OT Cybersecurity / ICS Security ArchitectVARemote$135,000–$216,000 / yearPeraton Labs is hiring a Principal OT Cybersecurity / ICS Security Architect - a senior systems architect role bridging operational technology (OT), industrial control systems (ICS), and enterprise IT cybersecurity - to join our Strategic Innovation Group in support of a federal customer''s cybersecurity and OT modernization program for critical infrastructure. As a Principal OT Cybersecurity / ICS Security Architect on our team, you will lead the requirements and solutions-analysis effort for one or more parallel workstreams of the customer''s modernization program, spanning core capability areas such as access control, security monitoring, and asset and vulnerability management.
Principal, AI Solutions Fannie MaePrincipal, AI SolutionsReston, VirginiaArtificial Intelligence Ethics, Cloud Platform, Data Science, Innovation, Leadership, Machine Learning (ML), Project Management, Software Development, Team Management, Technical Architecture Education: Bachelor's Level Degree (Required) The future is what you make it to be. You will support enterprise AI productivity tooling strategy and enablement, and co‑built priority use cases, working with multidisciplinary team of AI solution leads, engineers, and domain specialists.
Principal Scientist Galois, Inc.Principal ScientistArlington, VAWith clients including NASA, DARPA, AWS, and the DoW, we leverage our cutting-edge research to deliver high assurance solutions and tools that enhance security, reliability, and operational efficiency across sectors including aerospace & defense, healthcare, semiconductors, and fintech. Who We Are: From building digital engineering tools that make space exploration safer to verifying cryptographic libraries that protect some of the world’s most valuable data, Galois develops technology to guarantee the trustworthiness of systems where failure is unacceptable.
Principal Product Manager - Threat Detection Engine And Content (Hybrid) CrowdStrikePrincipal 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.
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 Cloud Engineer ManTechPrincipal Cloud EngineerChantilly, VAThe Principal Cloud Engineer will leverage their strong technical background and knowledge to design, implement, and manage secure cloud infrastructures in support of mission-critical operations, with a strong focus on security monitoring and threat detection. + Supporting AWS, Azure, Oracle, and GCP cloud services and infrastructure using Infrastructure as Code (IaC) tools such as Terraform or ARM templates.
Principal Account Executive F5 IncPrincipal Account ExecutiveVARemote$139,200–$208,800 / yearPrepares formal proposals and presentations, presents to all levels of the organization including executives, leads negotiations, coordinates complex decision-making processes and overcomes objectives to closure, and closes sales in a professional and effective manner. Responsible for significant key partner relationship management and development including F5 channel partners, new channel partners and small disadvantaged firms within the Systems Integrators supply chain management system to build channel synergy with the appropriate Systems Integrator.
Principal Supply Chain Professional Nightwing Intelligence SolutionsPrincipal Supply Chain ProfessionalSterling, VirginiaThis role requires working in an environment with advanced supply chain experience, with a variety of government and commercial customers and suppliers, and an advanced level of program management acumen. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Principal IT Systems Administrator (Program Services) Nightwing Intelligence SolutionsPrincipal IT Systems Administrator (Program Services)Sterling, VirginiaPerforming routine maintenance and system administration tasks such as software and hardware installations, troubleshooting, system hardening, vulnerability analysis and remediation, Operating System patching and general network administration across various computing systems. Nightwing is seeking a Systems Administrator with a proven ability supporting Information Technology systems and networks in a challenging, high-tempo, dynamic work environment.
Principal Cyber Test Engineer (Onsite) Nightwing Intelligence SolutionsPrincipal Cyber Test Engineer (Onsite)Sterling, VirginiaThe team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Cyber Eviction Analyst - Principal Nightwing Intelligence SolutionsCyber Eviction Analyst - PrincipalSterling, VirginiaNightwing provides HIRT advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation, using host and network-based cybersecurity analysis capabilities. - Knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, return- oriented attacks, and malicious code).