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.
Principal Network Technician Siltt LLCPrincipal Network TechnicianLeesburg, VARemoteFull timeFrom delivering world-class modular data center facilities to all-hours, 365-day operational response and disaster recovery, our multi-functional team of experts are force multipliers across the infrastructure landscape. You serve as a "Lead Trainer" and working Subject Matter Expert, deploying to global facilities to oversee rack-and-stack services, perform advanced fiber characterization, and mentor local site technicians.
Principal Software Engineer TS/SCI w/Poly AmentumPrincipal Software Engineer TS/SCI w/PolySavage, Maryland$200,000–$255,000 / yearDevelop 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, Maryland$200,000–$255,000 / yearThe 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 Product Manager (Content Authoring, Delivery & CMS) Great MindsPrincipal Product Manager (Content Authoring, Delivery & CMS)Dc, District of ColumbiaRemoteCMS and Content Architecture: Initiate and sometimes facilitate product direction conversations for the CMS, including content models, workflows, permissions, versioning, and publishing—working with but deferring to expert partners in Product Design and Engineering. Reporting to the Director, Digital Product Management, the Principal Product Manager (Content Authoring, Delivery & CMS) will lead discovery and execution for our content authoring tools, end user delivery experiences, and content management system (CMS).
UC Consulting Engineer - Principal AmentumUC Consulting Engineer - PrincipalArlington, Virginia$260,000–$290,000 / yearIn support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking a UC Consulting Engineer - Principal to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. The duties and responsibilities of the UC Consulting Engineer - Principal include, but are not limited to the following: Serve as the subject-matter expert in Unified Communications (UC) and collaboration technologies, specializing in platforms such as Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, and Cisco Webex.
UC Consulting Engineer - Principal Amentum Services IncUC Consulting Engineer - PrincipalArlington, VA$260,000–$290,000 / yearIn support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking a UC Consulting Engineer - Principal to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. Essential Responsibilities: The duties and responsibilities of the UC Consulting Engineer - Principal include, but are not limited to the following: Serve as the subject-matter expert in Unified Communications (UC) and collaboration technologies, specializing in platforms such as Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, and Cisco Webex.
Oliver Wyman - Associate/ Engagement Manager / Principal - Tech Innovation Practice (Technical Architecture & Delivery Focus) Marsh & McLennan Companies IncOliver Wyman - Associate/ Engagement Manager / Principal - Tech Innovation Practice (Technical Architecture & Delivery Focus)Washington, DC$190,000–$195,000 / yearWe aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation.
NewSenior Principal, Aerospace Standards Government & Industry Engagement FullsightSenior Principal, Aerospace Standards Government & Industry EngagementWashington, District of ColumbiaFullsight is a shared services group working across three affiliate organizations, SAE ITC, SAE International, and Performance Review Institute (PRI), uniformly delivering HR, IT, Legal, Customer Success, Finance, and Procurement services, which enables us to distribute resources across all parts of our businesses. The Performance Review Institute® (PRI) is the world leader in facilitating collaborative supply chain oversight programs, quality management systems approvals, and professional development in industries where safety and quality are shared values.
Principal Consultant, Planning Engineer / Transportation ERM International Group LtdPrincipal Consultant, Planning Engineer / TransportationWashington, DC$127,600–$163,100 / yearWho We Are: As the largest global pure play sustainability consultancy, we partner with the world's leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations. In this role, you'll provide strategic direction and technical leadership across a diverse portfolio-from electric transmission and renewable energy (wind, solar, hydropower, battery storage) to large-scale extractive projects.
Principal Battery Systems Engineer ON Energy Storage IncPrincipal Battery Systems EngineerReston, VAPersonally own the hardest pieces of work: novel architectures, first-of-kind designs, advanced component sizing (fuse coordination, busbar thermal optimization, protection coordination across cascaded systems), cabinet thermal modeling, and complex protection schemes. Deep, demonstrable skill in detailed component sizing - fuse coordination, busbar sizing, protection device selection, thermal sizing for enclosed cabinets - at the level required to sign off on production designs.
Principal Accountant Franklin Resources IncPrincipal AccountantBaltimore, MD$115,000–$150,000 / yearWe also offer a comprehensive benefits package, which includes a range of competitive healthcare options, insurance, and disability benefits, employee stock investment program, learning resources, career development programs, reimbursement for certain education expenses, paid time off (vacation / holidays / sick / leave / parental & caregiving leave / bereavement / volunteering / floating holidays) and a motivational wellbeing program. The group reports directly to the Chief Accounting Officer over the Americas region and is primarily responsible for US regulatory reporting, preparation of stand-alone audited financials, supporting the legal entity teams and other periodic tasks such as impairment reviews and capital transactions.
Principal PostgreSQL Engineer (TS/SCI) Maxar Technologies Inc (Inactive)Principal PostgreSQL Engineer (TS/SCI)Herndon, VA$250,000–$260,000 / yearThis role ensures high availability, performance, scalability, and security of mission-critical database environments while collaborating with software engineers, data engineers, DevSecOps teams, and system administrators to deliver reliable data services in a secure, cloud-enabled environment. We are seeking a Senior PostgreSQL Engineer to support the architecture, optimization, and operational support of PostgreSQL databases supporting a large-scale U.S. Government big data analytics platform.
HHS Principal BD Lead, Fed Health BD Lead Amazon.com IncHHS Principal BD Lead, Fed Health BD LeadArlington, VAYou"ll operate at the intersection of Account teams, GenAI specialists, ProServe, and Partners - working directly with HHS mission owners, CIOs, and senior executives to connect agency health priorities to specific AWS capabilities with a clear path to award. In this role, you will drive strategic deals and shape GTM motions that deliver Generative AI, Agentic AI, Fraud Waste & Abuse detection, Supply Chain Modernization, Amazon Connect, and Migration & Modernization solutions from concept to contract for HHS agencies and programs.
Principal Mechanical Engineer Cummings Aerospace IncPrincipal Mechanical EngineerArlington, VAThe Principal Mechanical Engineer will be responsible for performing and leading the development of mechanical designs and/or drawings, structural analysis, thermal analysis, and support of manufacturing and hardware integration for an advanced, high-speed flight vehicle. Perform/Lead the development of mechanical designs and/or drawings to support the hardware development life cycle based on system requirements.
NewPrincipal Software Engineer Maxar Technologies Inc (Inactive)Principal Software EngineerHerndon, VA$220,000–$242,000 / yearWorking within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows.
NewPrincipal Subcontracts L3Harris TechnologiesPrincipal SubcontractsHerndon, VA$133,000–$247,000 / yearLead development and execution of comprehensive supply chain strategies across the full program lifecycle; coordinate supplier strategy development with Category Management and communicate program changes to executive leadership. Manager, Supply Chain Program Management for the Maritime Acoustic & Imaging Systems (A&IS) Supply Chain Team will serve as a senior contributor and leader supporting primarily the Acoustics Systems area.