Principal Software Engineer TS/SCI w/Poly AmentumPrincipal Software Engineer TS/SCI w/PolySavage, MarylandDevelop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software. Engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives.
Principal AI Software Engineer TS/SCI w/Poly AmentumPrincipal AI Software Engineer TS/SCI w/PolySavage, MarylandThe candidate will work across multiple technical domains including software engineering, data science, machine learning, and large language model (LLM) integration to deliver innovative capabilities from proof-of-concept through operational deployment. Proficient in current AI/ML technologies such as classification, clustering, collaborative filtering, search, and retrieval using techniques such as but not limited to deep neutral networks (DNN), recurrent neural networks (RNN), attention-based transformers, etc.
Principal Software Engineer TS/SCI w/Poly Amentum Services IncPrincipal Software Engineer TS/SCI w/PolyFort Meade, MD$200,000–$255,000 / yearMinimum Requirements (Knowledge, Skills, and Abilities): Develop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software. Engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives.
Principal AI Software Engineer TS/SCI w/Poly Amentum Services IncPrincipal AI Software Engineer TS/SCI w/PolyFort Meade, MD$200,000–$255,000 / yearMinimum Requirements (Knowledge, Skills, and Abilities): Proficient in current AI/ML technologies such as classification, clustering, collaborative filtering, search, and retrieval using techniques such as but not limited to deep neutral networks (DNN), recurrent neural networks (RNN), attention-based transformers, etc. The candidate will work across multiple technical domains including software engineering, data science, machine learning, and large language model (LLM) integration to deliver innovative capabilities from proof-of-concept through operational deployment.
Senior or Principal Agent & Assistant Director of 4-H Youth Development University of MarylandSenior or Principal Agent & Assistant Director of 4-H Youth DevelopmentMarylandDuties include identifying issues and opportunities aligned with organizational priorities, and collaborating with faculty and partners to develop, implement, and evaluate educational programs that meet the statewide needs of youth, residents, agencies, organizations, industries, and communities in these areas. • Work collaboratively with UME Programs (i.e., Agriculture and Food Systems, Environment and Natural Resources-Sea Grant, Family and Consumer Sciences), departments, and colleges to develop partnerships and interdisciplinary programs.
Elementary Vice Principal (SY26 - 27) KIPP DCElementary Vice Principal (SY26 - 27)Washington, DCFull timeEmpowering Others: Actively listen to other school community members; seeks to understand others’ views and needs, intentionally builds trust within and across teams of people to promote collaboration and opportunities for shared ownership, consistently demonstrates respect and appreciation for others by empathizing, valuing their time and contributions, and being available and responsive to their needs. Our work is grounded in five pillars–Academic Excellence, Joy & Sense of Belonging, Highly Effective Teachers and Leaders, Safe, Structured, and Nurturing Learning Environments, and Commitment to College Readiness–which ensure every student is equipped with the knowledge, skills, and confidence to pursue success in college, careers, and beyond.
Data Scientist, Principal (Senior Software Developer; Systems Software) Avid Technology ProfessionalsData Scientist, Principal (Senior Software Developer; Systems Software)Columbia, MarylandExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
Principal Engineer, Survivability (R4608) Shield AIPrincipal Engineer, Survivability (R4608)Washington, DCLI-AD6 #LF Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. Lead or support signature testing efforts, including indoor and outdoor RCS range tests, validation campaigns, and supplier-level hardware evaluations.
Principal Engineer, State Estimation (R4602) Shield AIPrincipal Engineer, State Estimation (R4602)Washington, DCLI-SM1 #LF Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. Required qualifications: MS or PhD in Computer Science, Software Engineering, Electrical Engineering, Aerospace Engineering, Mechanical Engineering, Applied Mathematics, or related field 15+ years of experience developing state estimation algorithms for aerospace navigation applications.
Principal Engineer, Software (R5285) Shield AIPrincipal Engineer, Software (R5285)Washington, DCHivemind consists of four products: EdgeOS (C++ based high-performance middleware for autonomy development), Pilot (autonomy for the edge built atop EdgeOS; a models-based, modular and open architecture C++ codebase), Forge (Shield AI's AI Factory for the design, development, and testing of Hivemind Edge systems; a service-oriented architecture leveraged through an SDK, CLI, and web portal; a Go, Python, Typescript codebase), Commander (Software and hardware to support rich human-in-the-loop and human-on-the-loop interactions with the Hivemind; a C++-based back-end for interaction with Pilot; and a web-application UI for mission planning, command and control by operators implemented in a Typescript/React codebase). #LI-KC3 #LF Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location.
Principal Software Engineer, TS\/SCI with Polygraph Rivermatrix TechnologiesPrincipal Software Engineer, TS\/SCI with PolygraphAnnapolis Junction, Annapolis JunctionThe Software Engineer, shall have at least the following experience: Twenty (20) years of experience as a Software Engineer (SWE) supporting programs and contracts of similar scope, type, and complexity. Demonstrate working knowledge of Linux, CSS, JavaScript, and HTML to support UI design, troubleshoot design-related issues, and collaborate with development teams.
Principal Analyst - Senior Pricer MaximusPrincipal Analyst - Senior PricerBaltimore, MDFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Work as an integral part of the capture and proposal team, assisting in the development of competitive pricing strategies, developing scoring sensitivity analyses, projecting competitive behaviors, identifying risks, and interpreting solicitation requirements.
NewSenior IT Principal Solution Architect MaximusSenior IT Principal Solution ArchitectAberdeen, MDRemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Proposal Development & Competitive Analysis: - Lead RFI, RFP, and RFQ response development including whitepaper creation and concept development in coordination with technologists, operations, and business development leaders.
Dynamics 365 F&O Principal Consultant (Relocate to Malta /Big 4) Black Pen RecruitmentDynamics 365 F&O Principal Consultant (Relocate to Malta /Big 4)WashingtonOur client’s Microsoft Business Solutions team is a Microsoft Gold Partner and leader in Microsoft software implementations for medium to large organisations, providing their clients with the ability to keep up with the ever-changing digital world by implementing Microsoft’s M365, Azure, Microsoft’s Enterprise Resource Planning (ERP) and Customer Engagement (CE) software from the Microsoft Dynamics 365 (D365) software line. Lead delivery of D365 end-to-end implementation projects including design, configuration, testing, training, cutover, post go-live support & reporting assuring that the management of area technical assets and systems development lifecycle comply to firm’s ISMP.
Principal, Agentic AI Practice (5450) SMXPrincipal, Agentic AI Practice (5450)Washington, DCRemote$172,900–$272,400 / yearSMX is standing up and scaling an agentic AI practice: bringing agentic software engineering (autonomous AI agents that write, test, and modernize code) to Department of War, Federal Civilian, and Intelligence Community customers, with SMX's accreditation and authorization platform as the control and management plane. Support co-sell with technology and cloud partners (for example, AWS Marketplace / ACE), navigating partner-neutrality and organizational-conflict-of-interest considerations, and resourcing SME and delivery commitments before reaffirming them to customers or partners.
Principal Consultant Softchoice CorpPrincipal ConsultantDC$158,720–$198,400 / yearThis includes access to WWT's Advanced Technology Center (ATC), a collaborative ecosystem featuring state-of-the-art hardware and software that enables customers and partners to conceptualize, test, and validate innovative solutions before deploying them at scale. In addition to technical depth is business acumen to drive the financial success of a P&L, the maturity to lead senior practitioners, and the presence to represent Softchoice at the highest levels of a client organization.
NewPrincipal Chemistry Market Development Manager Waters CorpPrincipal Chemistry Market Development ManagerWashington, DCWorking across sales, marketing, and product organizations, the CMM develops and implements business strategies that deliver integrated workflow solutions featuring Waters chemistry products, instrumentation, and services. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance.
Principal Backend Software Engineer - HYBRID Red Arch SolutionsPrincipal Backend Software Engineer - HYBRIDAnnapolis Junction, MDFull timeDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. Bachelor’s degree in Computer Science or related discipline from an accredited college or university plus Twenty (20) years of SWE experience on projects with similar software processes.
Principal CFD Modeling Engineer Jensen HughesPrincipal CFD Modeling EngineerBaltimore, MarylandToday, our expertise extends broadly across closely related security and risk-based fields – from accessibility consulting and risk analysis to process safety, forensic investigations, security risk consulting, emergency management, digital innovation and more. This role is designed for an expert practitioner with deep mastery of the Fire Dynamics Simulator (FDS) who is motivated by solving complex, real-world fire and fluid-flow problems through rigorous, physics-based modeling and experimental validation.
Principal Site Reliability Engineer, Infrastructure Observability T. Rowe PricePrincipal Site Reliability Engineer, Infrastructure ObservabilityOwings Mills, MarylandIn this role as Principal Site Reliability Engineer, Infrastructure Observability you will help formulate, develop, and implement a team of Site Reliability Engineers (SREs) focused on the observability, sustainability, scalability, measurability and recoverability of T. The successful candidate will have a strong operations & engineering background, is hands-on when needed, and has expertise in the cloud environments (public, private), infrastructure operations, DevOps practices, CI/CD toolchain and systems, code build and deployment, incident response, and 24x7 monitoring and support.