Principal Software Engineer Trident Systems IncPrincipal Software EngineerFairfax, VA$120,000–$222,000 / yearOur three operating units: Space Electronic Systems (SES), Integrated C4ISR Systems (ICS) and Optical Precision Systems (OPS), develop within the agile framework which enables us to produce proven, purpose-built systems that solve our customers' mission critical challenges across space, air, land, and sea. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
Principal Python Software Engineer GliaCell TechnologiesPrincipal Python Software EngineerLaurel, MDFull timeWe 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. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
NewPrincipal Software Engineer - TS/SCI SunayuPrincipal Software Engineer - TS/SCIBethesda, MDDesign, develop, test, and maintain Python microservices Implement message consumers and producers with Apache Kafka Integrate with Elasticsearch for real-time and batch data indexing and querying Write unit and integration tests; ensure high code coverage and reliability Build CI/CD pipelines for your services and deploy them in Kubernetes clusters Participate in design discussions, code reviews, and architecture planning Monitor and troubleshoot production issues with observability tools Contribute to technical documentation and knowledge sharing within the team Utilizes software engineering and design methodologies appropriate to the development, integration, and production environment Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers. Experience with containerization, especially with Docker Experience in Extraction, Transformation, and Load (ETL) Hands-on development experience in a Linux environment including bash or bash-like scripting Strong understanding of RESTful APIs and microservice architecture Hands-on experience with Kubernetes: deploying, monitoring, and debugging services Understanding of common design patterns, security practices, and logging/monitoring principles Familiarity with Git and collaborative workflows (PRs, reviews) Experience with DevOps practices and tools including Continuous Integration/Continuous Delivery (CI/CD) tools and practices, especially Gitlab or Jenkins Strong verbal and written communication skills Experience with AGILE practices Enthusiastic with the ability to work well in a team and a self-starter who can work on their own.
Principal Software Engineer Cubic CorpPrincipal Software EngineerAshburn, VACompany Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people's lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Four-year college degree in computer engineering or other related technical discipline, plus a minimum of eight years of related experience or a master's degree with at least six years of related experience.
Principal Full Stack Software Engineer GliaCell TechnologiesPrincipal Full Stack Software EngineerLaurel, MDFull timeWe 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. You will provide end-to-end support to a cross-functional team automating critical solutions across the entire software stack, including user interfaces, middleware, databases, analytics, and cloud architectures.
NewPrincipal Engineer - Software Development Verizon Communications IncPrincipal Engineer - Software DevelopmentAshburn, VA$120,500–$231,000 / yearBuild necessary data plumbing: Integrate against imperfect upstream systems (SQL Server, BigQuery/EDW, GCP services, Looker, vendor APIs), managing schema drift, partial coverage, and inconsistent definitions while ensuring proper data lineage and governance. 5+ years of experience building and shipping production software end-to-end, demonstrating clear personal ownership, identifying specific users impacted, and delivering measurable business outcomes.
Principal DevOps / Software Engineer GliaCell TechnologiesPrincipal DevOps / Software EngineerLaurel, MDFull timeWe 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. You will also contribute to the MI team as a software engineer and analytic developer where you will design, develop, and integrate solutions involving the analysis of large data sets to establish mission cognizance and deliver mission-centric insights.
Principal Analytic Software Engineer GliaCell TechnologiesPrincipal Analytic Software EngineerLaurel, MDFull timeWe 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. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
Principal Software Development Engineer - Frontend Re:CarPrincipal Software Development Engineer - FrontendWashington7+ years of experience leading frontend design and architecture across new and existing products, with a track record of making systems more maintainable, accessible, and performant at scale. You drive awareness of how frontend technical decisions impact product quality, customer experience, and business outcomes, balancing technical leadership with strong product judgment.
Principal Embedded Software Engineer Trident Systems IncPrincipal Embedded Software EngineerSterling, VAThis is a hands-on engineering role intended for a deeply experienced embedded software engineer who thrives in complex hardware-centric environments and contributes through strong technical execution, sound engineering judgment, architectural rigor, and mentorship of other engineers. The Principal Embedded Software Engineer serves as a highly experienced individual contributor responsible for embedded software architecture, implementation, and technical execution across advanced aerospace computing platforms and supporting engineering systems.
Principal Security Software Engineer (Storage) Hewlett Packard Enterprise CoPrincipal Security Software Engineer (Storage)Reston, VA$172,000–$349,000 / yearPlease note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge a candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today's complex world.
Principal Security Software Engineer (Storage) Hewlett Packard EnterprisePrincipal Security Software Engineer (Storage)Reston, ColoradoPlease note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge a candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process. We help companies connect, protect, analyze, and act on their data and applications wherever they live, from edge to cloud, so they can turn insights into outcomes at the speed required to thrive in today’s complex world.
NewPrincipal Software Systems Engineer (Embedded Flight Systems) Trident Systems IncPrincipal Software Systems Engineer (Embedded Flight Systems)Fairfax, VA$119,000–$190,000 / yearHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. We develop complex, radiation effects mitigated, designs that balance competing requirements in modern space programs, delivering cutting-edge solutions that enable our customers to achieve more in space.
Senior Software Engineer - JobID-0018 INNOVATIVE DEFENSE TECHNOLOGIESSenior Software Engineer - JobID-0018Arlington, VA$135,000–$273,000 / yearAbout The Role: Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Senior Software Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location. What You Will Do: Support full development lifecycle including system design, implementation, integration, test, and deployment of complex systems supporting DoD and Navy operational.
Principal Engineer DigiCert IncPrincipal EngineerHerndon, VA$160,000–$190,000 / yearLearn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today's threats and prepare for a quantum-safe future at www.digicert.com. The Principal Engineer partners closely with Architects, Product, and Engineering Managers to translate strategic direction into sound technical execution and predictable delivery.
Senior Software Engineer - Digital Platforms and Learning Technology The Henry M Jackson Foundation for the Advancement of Military Medicine IncSenior Software Engineer - Digital Platforms and Learning TechnologyBethesda, MDHJF is seeking a Senior Software Engineer - Digital Platforms and Learning Technology that will take ownership of a portfolio that currently includes HPRC-online.org, Operation Supplement Safety (OPSS.org), the Rx3 (Rehab, Refit, Return to Duty) progressive web application, and additional program tools and supporting databases. Maintain the security posture of all managed platforms, including dependency management, vulnerability remediation, patch currency, and secure configuration, and support security documentation, control assessments, and authorization processes in coordination with University and HJF security personnel.
Senior Principal FPGA & Digital Signals Processing Engineer Research InnovationsSenior Principal FPGA & Digital Signals Processing EngineerAlexandria, VAAs the Principal FPGA & DSP Engineer, you will serve as the technical leader responsible for designing and delivering the next generation of real-time FPGA-based signal processing capabilities that enable rapid spectrum awareness, signal exploitation, and electronic warfare operations. Working closely with hardware, software, AI, and RF engineering teams, you will architect high-performance firmware solutions that transform advanced algorithms into deployable capabilities supporting the Department of Defense, Intelligence Community, and allied mission partners.
NewSenior Principal Cyber Engineer Nightwing Intelligence SolutionsSenior Principal Cyber EngineerSterling, VirginiaThe team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Cyber Offense and Defense Experts (CODEX) is seeking a cyber engineer to join our team to solve crucial cyber challenges, working on site with our end users in their spaces.
Systems Engineer Sr Principal Science Applications International CorpSystems Engineer Sr PrincipalChantilly, VA$160,001–$200,000 / yearDuties will include coordinating and managing end to end architecture by scheduling assets, configuring, maintaining, and troubleshooting networking equipment, servers and processing systems. Support development organization with the integration of network hardware, software, cybersecurity upgrades and recap efforts for networks and systems operating at various classification levels.
Principal AIML Engineer Lululemon Athletica IncPrincipal AIML EngineerWashington, WA$266,720–$350,070 / yearRecognizing our teams for their performance and dedication, other components of our total rewards offerings include support of career development, wellbeing, and personal growth:Extended health and dental benefits, and mental health plans Paid time off Savings and retirement plan matching Generous employee discount Fitness & yoga classes Parenthood top-up Extensive catalog of development course offerings People networks, mentorship programs, and leadership series (to name a few) Note: The incentive programs, benefits, and perks have certain eligibility requirements. Select responsibilities include:Define the enterprise AI/ML engineering vision and implementation strategy spanning the enterprise AI platform and services, and common frameworks and tools for model development, training infrastructure, inference platforms, evaluation frameworks, and governance capabilities.