Principal/Sr Principal Systems Engineer (AHT) Northrop Grumman CorpPrincipal/Sr Principal Systems Engineer (AHT)Fairfax, VA$114,000–$171,000 / yearThe above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation''s history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.
Principal Cyber Systems Admin / Sr. Principal Cyber Systems Admin Northrop Grumman CorpPrincipal Cyber Systems Admin / Sr. Principal Cyber Systems AdminChantilly, VA$103,600–$155,400 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. The successful candidate will be expected to monitor, maintain, and provide Tier-2 and Tier-3 support of a mission critical network infrastructure, collect data for analysis, perform network upgrades, and be able to produce documentation and diagrams of the work they perform.
Principal Network Engineer / Senior Principal Network Engineer Northrop Grumman CorpPrincipal Network Engineer / Senior Principal Network EngineerChantilly, VA$103,600–$155,400 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. The successful candidate will be expected to monitor, maintain, and provide Tier-2 and Tier-3 support of a mission critical network infrastructure, collect data for analysis, perform network upgrades, and be able to produce documentation and diagrams of the work they perform.
Principal Quality Engineer/Sr Principal Quality Engineer Northrop Grumman CorpPrincipal Quality Engineer/Sr Principal Quality EngineerSykesville, MD$98,900–$148,300 / yearBasic Qualifications for a Level 4: Bachelor of Science Degree in a STEM (Science, Technology, Engineering, and Mathematics) field with a minimum of 8 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work, performing technical job functions; OR a minimum of 6 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work performing technical job functions with a Masters Degree in a STEM field; OR a minimum of 4 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work, performing technical job functions with a PhD Degree in a STEM field. Basic Qualifications for a Level 3: Bachelor of Science Degree in a STEM (Science, Technology, Engineering, and Mathematics) field with a minimum of 5 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work, performing technical job functions; OR a minimum of 3 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work performing technical job functions with a Masters Degree in a STEM field; OR a minimum of 1 year of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work, performing technical job functions with a PhD Degree in a STEM field.
Principal AI Engineer (Agentic AI) Navy Federal Credit UnionPrincipal AI Engineer (Agentic AI)Vienna, VAThe Principal AI Engineer is a senior, hands-on technical leader responsible for end-to-end delivery of production-grade AI capabilities that span architecture, implementation, deployment, and operational readiness while translating complex technical work into clear, executive-ready narratives. Demonstrated experience conducting threat modeling and implementing security controls for AI systems, including prompt-injection defenses, data-loss prevention, agent authorization, secure tool execution, secrets management, and adversarial testing.
Principal Architect Scale AI, Inc.Principal ArchitectWashington, DC$284,800–$356,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact.
Principal Digital Product Owner Lumen Solutions Group, Inc.Principal Digital Product OwnerWashington, DCRemoteThis role will be instrumental in driving the successful delivery of self-service data products and analytics capabilities that empower business users with trusted, accessible, and high-quality data. The ideal candidate will have a strong background in Agile Product Ownership, Data & Analytics, SAFe methodologies, and stakeholder management, with experience translating business needs into scalable data solutions.
Principal Project Mgr - 90360099 - Washington National Railroad Passenger CorpPrincipal Project Mgr - 90360099 - WashingtonWashington, DC$113,200–$146,664 / hourOur values of 'Do the Right Thing, Excel Together and Put Customers First' are at the heart of what matters most to us, and our Core Capabilities, 'Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security' are what every employee needs to know and do to be most impactful at Amtrak. In accordance with DOT regulations (49 CFR § 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions.
Principal Application Software Engineer Oracle CorpPrincipal Application Software EngineerReston, VA$99,600–$209,500 / year11 years of software development experience; or bachelor''s degree in a relevant technical field and 7 years of software development experience; or master''s degree in a relevant technical field and 5 years of software development experience; or doctorate in a relevant technical field and 3 years of software development experience. Continuous Improvement: Develops ideas, recommends updates, and/or collaborates on the implementation of process improvements to increase the efficiency and effectiveness of processes, protocols, and workflows across teams, and evaluates the impact on key stakeholders.
NewPrincipal Full Stack Developer The Josef GroupPrincipal Full Stack DeveloperSpringfield, Virginia$220,000–$245,000 / yearDevelop, integrate, and maintain full stack applications supporting ML/Ops pipelines and data-driven systems. • Develop and maintain data pipelines, ETL processes, and data storage solutions for large-scale datasets.
Principal Technology Consultant - Axxis Software News CorpPrincipal Technology Consultant - Axxis SoftwareGaithersburg, MD$110,000–$140,000 / yearBeginning as a niche news agency in an obscure Wall Street basement, Dow Jones has grown to be a worldwide news and information powerhouse, with prestigious brands including The Wall Street Journal, Dow Jones Newswires, Factiva, Barrons, MarketWatch and Financial News. More than its individual brands, Dow Jones is a modern gateway to intelligence, with innovative technology, advanced data feeds, integrated solutions, expert research, award-winning journalism and customizable apps and delivery systems to bring the information that matters most to customers, when and where they need it, every day.
Principal Software Developer - TS/SCI ParsonsPrincipal Software Developer - TS/SCIHerndon, Virginia$148,300–$266,900 / yearSince we deal with specific customer needs, it will be necessary to understand the problem, to utilize methods from a potentially wide variety of domains, produce functional solutions, and see the efforts through to completion. As a leading member of our team, you would work on one or more efforts at a time, assisting and managing multiple parts of the development process, from understanding customer requirements, to design, development, testing and deployment.
Principal Engineer, SCADA Engineering (BESS) Invenergy LLCPrincipal Engineer, SCADA Engineering (BESS)Washington, DC$155,000–$180,000 / yearThis role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.
Principal Engineer w/Top Secret Clearance TekSynap CorpPrincipal Engineer w/Top Secret ClearanceWashington, DCKnowledge of operating systems, including Windows, Linux, Mac, and mobile operating systems including iOS and Android, application behaviors, and network traffic analysis to identify malware exploits. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
Sr Principal Engineer Embedded Software Northrop Grumman CorpSr Principal Engineer Embedded SoftwareSterling, VA$142,200–$213,400 / yearBasic Qualifications: Bachelor's degree in Electrical/Computer Engineering, or another related STEM discipline with a minimum of 8 years of embedded software experience - OR - Master's degree in Electrical/Computer Engineering, or another related STEM discipline with 6 years of embedded software experience - OR PhD degree Electrical/Computer Engineering, or another related STEM discipline with 4 years of embedded software experience. This role will join our team of qualified, diverse individuals in the Space Systems organization developing space vehicle hardware-in-the-loop simulation platforms for large and small space programs.
Principal Financial Analyst Northrop Grumman CorpPrincipal Financial AnalystMcLean, VA$94,200–$141,200 / yearBasic Qualifications: Bachelor's degree in accounting or related field, with a minimum of 5 years of relevant work experience or a Master's degree and 3 years of relevant experience, Must have 9 years of relevant experience in lieu of degree. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Principal Systems Engineer - Fault Management & System Autonomy Northrop Grumman CorpPrincipal Systems Engineer - Fault Management & System AutonomyVA$114,000–$171,000 / yearDuties/Responsibilities: Perform traditional Systems Engineering functions, including requirements synthesis and flow-down, verification/validation planning, system trades study support, systems analysis, coordination of design efforts, and management of technical budgets & interface definitions. The job responsibilities will be as an individual-contributor and deliverable/product lead within a multi-disciplinary engineering team, specifically supporting functions related to Fault Management and System Autonomy (FMSA) for space systems.
Cyber / Principal Cyber Systems Engineer Northrop Grumman CorpCyber / Principal Cyber Systems EngineerFairfax, VA$101,000–$151,400 / yearBachelor''s degree with 2 years of relevant experience, a Master's degree with 0 years of relevant experience, a PhD with 0 year of relevant experience, or 7 years of relevant experience in lieu of a degree. Bachelor''s degree with 5 years of relevant experience, a Master's degree with 3 years of relevant experience, a PhD with 1 year of relevant experience, or 9 years of relevant experience in lieu of a degree.
Quality Engineer/Principal Quality Engineer 2/3 Northrop Grumman CorpQuality Engineer/Principal Quality Engineer 2/3Sykesville, MD$79,600–$119,400 / yearBasic Qualifications for a Level 3: Bachelor of Science Degree in a STEM (Science, Technology, Engineering, and Mathematics) field with a minimum of 5 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work, performing technical job functions; OR a minimum of 3 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work performing technical job functions with a Masters Degree in a STEM field. Basic Qualifications for a Level 2: Bachelor of Science Degree in a STEM (Science, Technology, Engineering, and Mathematics) field with a minimum of 2 years of engineering experience in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work, performing technical job functions; OR a Master''s degree in a STEM field in Quality Assurance, which can include investigating failures and identifying root causes or in Manufacturing, Process, Electrical or Mechanical Engineering field of work performing technical job functions.
Sr. Principal Customer Communications Representative (Falls Church VA) Northrop Grumman CorpSr. Principal Customer Communications Representative (Falls Church VA)Falls Church, VA$117,500–$176,300 / yearOversee development and/or enhancement of A‑level customer engagement materials for assigned CRTs and sectors (e.g., leadership briefing packages, executive decks and other high‑visibility customer engagement products) to ensure alignment with corporate strategy and enterprise messaging. Develop and maintain core customer communication assets (e.g., key messages, one‑pagers, briefing materials, placemats, fact sheets) for assigned CRT portfolios, ensuring they are current, accurate and readily usable by stakeholders.