Principal Cyber Security Engineer(TS/SCI #26-137) Strategic Analysis, Inc.Principal Cyber Security Engineer(TS/SCI #26-137)Arlington, VA$210,000–$220,000 / yearRequired Experience:-Specialized expertise in cybersecurity and offensive cyber development-Computer science degree background, including reverse engineering, vulnerability discovery, and exploitation techniques-Significant experience with applied research or advanced DoD and/or Intelligence Community sponsored research in the realm of cyber (emphasis on applied and advanced)-Significant experience with stakeholder engagement and technology transition involving the intelligence community, USSOCOM, and/or US Cyber Command-Significant experience with SECDEVOPS, CI/CD pipelines, test automation, and automating workflows.-3+ years of experience with computer programming languages in C, C++, Python, and Assembly-Experience with automating reverse engineering and vulnerability detection techniques using Ghidra scripts-Understanding of exploit mitigations such as DEP and ASLR.-Experience using reverse engineering tools such as IDA Pro, HexRays, Ghidra, Binary Ninja, or objdump-Experience in the commercial technology sector, with an emphasis on artificial intelligence (AI) and emerging technologies-Management and business experience consistent with technology management support of DARPA programsEducation:-BS in computer science, engineering, mathematics, or related field requiredClearance:-TS/SCI clearance with CI polygraph is requiredTravel:-May be required up to 10% of the time. The ideal candidate will leverage their deep understanding of DoD S&T and R&D life cycles to manage integration and transition of platforms to a DoD program of record.
Principal Data Scientist - Washington, DC office NORCPrincipal Data Scientist - Washington, DC officeWashington, DCIn order to continue, we need to verify that youre not a robot. Enable JavaScript and then reload the page.
NewPrincipal Clinical Research Associate VB SpinePrincipal Clinical Research AssociateLeesburg, Virginia$160,000–$170,000 / yearAt VB Spine, join a high-performing Clinical Affairs team where your expertise in clinical monitoring will help ensure the integrity and success of clinical studies that support innovative spinal technologies and improve patient lives. Serve as the primary point of contact with site staff and manage assigned sites throughout all phases of clinical studies, including complex and high-risk sites.
NewPrincipal Business Process Consultant (2026-0217) Acclaim Technical ServicesPrincipal Business Process Consultant (2026-0217)Chantilly, VA$200,000–$220,000 / yearThere are many factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies.
Senior Principal Software Engineer Nightwing Intelligence SolutionsSenior Principal Software EngineerAnnapolis Junction, Maryland$122,000–$253,000 / yearThis is not a role for those who chase trends; We want an industry leader who understands the nuances of network protocols, distributed systems, and the subtle art of writing code that remains stable and maintainable for years. About the Role: As a Senior Software Developer specializing in Software Defined Networking, you will be responsible for designing and implementing mission-critical SDN infrastructure that demands reliability, performance, and maintainability.
Principal Instructor - ArcGIS Enterprise EsriPrincipal Instructor - ArcGIS EnterpriseVienna, VirginiaDevelop and deliver training programs through various formats and methods including in-person, virtual and hybrid offerings, to enhance users' proficiency in ArcGIS software both domestically and internationally. The work you do will enable customers to grow their ArcGIS user skills, productivity, and confidence in addition to ensuring sustainable GIS workflows and operations.
Senior Principal Software Engineer General Dynamics Mission Systems, IncSenior Principal Software EngineerAnnapolis Junction, MD$183,381–$193,049 / yearGeneral Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. EDUCATION REQUIREMENTS: Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 10 years of relevant experience; or Master's degree, plus 8 years relevant experience.
Principal Senior CNO Developer (Onsite) Nightwing Intelligence SolutionsPrincipal Senior CNO Developer (Onsite)Annapolis Junction, MarylandOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. For over four decades, our team has been providing some of the world’s most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions.
NewPrincipal Industrial Security Specialist Nightwing Intelligence SolutionsPrincipal Industrial Security SpecialistSterling, VirginiaPhysical Security – primary management of the facility access control, control of the Intrusion Detection Systems (IDS), creation of facility credentials for employees, partner companies and guests, provide overwatch of the facilities perimeter, assist with conducting annual self-inspections, maintaining proper documentation to include SCIF accreditation and SOPs, processing visit certifications, facilitating and supporting customer inspections, and changing safe and door combinations. Offsite facility in the Sterling, Virginia area, the CPSO will assist in the security management of a Sensitive Compartmented Information (SCI) Program, maintaining compliance with NISPOM, all applicable Sponsor security policies and procedures; all applicable Intelligence Community Directives (ICDs); and all other applicable Government security policies and procedures.
Principal Optical Engineer Avantus FederalPrincipal Optical EngineerLorton, VA$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. 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 Supplier Quality Engineer, PWB- Electronics Category BAE Systems PlcPrincipal Supplier Quality Engineer, PWB- Electronics CategoryReston, VA$118,095–$200,762 / yearAbout BAE Systems Electronic Systems BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. We are searching for a Printed Wiring Board Professional to fulfill a Supplier Quality Engineering role in the Supplier Quality Electronics Category Team, with applied industry experience in engineering, manufacturing, inspection, and acceptance of high reliability Printed Wiring Boards of varying types and complexities.
Principal Systems Engineer Software Integration BAE Systems PlcPrincipal Systems Engineer Software IntegrationRockville, MD$118,095–$200,762 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Job Description BAE Systems is seeking a Principal Systems Engineer with a strong software focus for System Integration efforts in support of our work as a prime contractor on a high-profile U.S. Navy weapon system.
Principal Firmware Reverse Engineer (AI-Assisted) BigBear.aiPrincipal Firmware Reverse Engineer (AI-Assisted)Columbia, MDBigBear.ai is seeking a Principal Firmware Reverse Engineer focused on advancing reverse engineering capabilities through AI-assisted tooling and automation. Design and implement tooling enhancements to support reverse engineering workflows for firmware, embedded systems, and application software.
Principal Systems Engineer - Defense Curtiss-WrightPrincipal Systems Engineer - DefenseAshburn, VirginiaAs a leading Modular Open Systems Approach (MOSA) solutions supplier for battlefield platforms and communication systems , we are uniquely positioned to benefit from the DoD's commitment to maintaining technological superiority on the battlefield. Curtiss-Wright's Defense Solution division is a trusted, proven leader, delivering superior products and services that meet the defense and aerospace industries' toughest challenges with best-in-class value.
Principal Software Engineer LeidosPrincipal Software EngineerBethesda, MarylandSupport the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.
Principal Exponent IncPrincipalWashington, DC$230,000–$320,000 / yearYou will also help lead Exponent's efforts to address our clients' most critical challenges in the data center space, applying multidisciplinary expertise to improve portfolio management, reliability, mitigate risk, and support high-performing, resilient facilities across the full lifecycle. Significant experience in construction advisory, including but not limited to portfolio, program, and project management, project controls and scheduling, risk management and performance monitoring, process improvements, data analytics and information management, change management, dispute avoidance, and other areas of construction consulting services.
Principal Information Systems Security Engineer LeidosPrincipal Information Systems Security EngineerLinthicum, MarylandAs a Principal Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space.
Principal Embedded Software Engineer- Onsite Curtiss-WrightPrincipal Embedded Software Engineer- OnsiteAshburn, VirginiaImplement and integrate, or debug embedded software including bootloaders (BIOS, SlimBootLoader and U-Boot), device drivers (Linux and VxWorks), customized applications and embedded test software, and product simulation and production test software. Hands-on and demonstrable experience with software development using C/C++, Linux (Red Hat, LynxOS, WindRiver), VxWorks (7.x), Linux and VxWorks device drivers, Scripting(bash/csh), high-level application software, Python, LabVIEW and IPMI.
HR Transformation Management Consulting Senior Principal - Industrial Accenture PlcHR Transformation Management Consulting Senior Principal - IndustrialArlington, VAWe work with C-suite executives, leaders and boards of the world's leading organizations, helping them reinvent every part of their enterprise to drive greater growth, enhance competitiveness, implement operational improvements, reduce cost, deliver sustainable 360° stakeholder value, and set a new performance frontier for themselves and the industry in which they operate. Design new HR operating models and service delivery frameworks for clients, infusing leading practices from areas such as employee experience, digital HR, shared services, and outsourcing.
Principal Endpoint Security Systems Engineer LeidosPrincipal Endpoint Security Systems EngineerBethesda, MarylandWorking in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats. January 21, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.