Principal Software Engineer Manager- CTJ- Poly Microsoft CorpPrincipal Software Engineer Manager- CTJ- PolyReston, VA$139,900–$274,800 / yearCollaborates with relevant security partners to define security promises and security invariants for the design of a product/solution while factoring in attacker/investigator personas for security monitoring and telemetry needs, ensure threat models and premortems validate upstream and downstream assumptions and security invariants, establish security breach drills and security incident response processes (e.g., impact analysis, containment), and ensure that artificial intelligence (AI) safety features are implemented for the AI production systems tied to a set of products. Provides technical oversight and expertise in efforts to classify, analyze, and interpret data and analyses on a range of metrics (e.g., health of the system, where bugs might be occurring), and technical leadership for creating outputs (e.g., notifications, dashboards) that improve monitoring and investigating security-related concerns and scenarios, system monitoring and/or issue identification and mitigation.
Data Engineer, Principal Blue Cross and Blue Shield AssociationData Engineer, PrincipalRichmond, VAIn this role you will be partnering with Enterprise Architects, Portfolio, Analytics and Data engineering teams for designing technical solutions and building data products to meet enterprise data needs. Expert in understanding data management practices, data modelling (data vault 2.0), master data management, data integration, data architecture, data virtualization, data warehousing, data privacy and security.
Principal Technical Support Engineer - (Active Top Secret/SCI Clearance) NetScoutPrincipal Technical Support Engineer - (Active Top Secret/SCI Clearance)Virginia (VA), VA$110,000–$135,000 / yearNETSCOUT unlocks insight at unequaled scale, from every data packet to the broadest view of global internet traffic, so the world’s essential organizations can solve problems faster, constantly transform their digital ecosystems, secure what matters – and stay unstoppable for a world that relies on them every second. We are expanding and looking for a highly skilled, customer-focused Principal Premium Services Engineer to work on-site with enterprise clients, solving complex network and application issues using innovative technologies.
Principal Process Associate (Intelligent Automation Engineer) Capital One Financial CorpPrincipal Process Associate (Intelligent Automation Engineer)Richmond, VA$108,900–$124,300 / yearCandidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. Utilizes best practices to optimize business processes using intelligent automation, machine learning (ML) integrations, and artificial intelligence (AI) to reduce incident handling time, change implementation time, and service delivery.
Principal Software Engineer / Tech Lead LeidosPrincipal Software Engineer / Tech LeadArlington, VirginiaImplement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. June 3, 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.
Principal DevOps Engineer Fluence EnergyPrincipal DevOps EngineerArlington, VirginiaThe Principal DevOps Engineer will act as the technical authority for infrastructure-as-code, CI/CD integration, and deployment automation, working closely with Product, Networking, Cybersecurity, and Deployment teams. Our core cultural pillars empower us to innovate, collaborate, and lead with purpose, ensuring we continue to deliver unparalleled value to our customers and the world.
NewSr. Principal Information Security Engineer ISSO Clarity Innovations LLCSr. Principal Information Security Engineer ISSOHerndon, VA$100,000–$330,000 / yearClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Clear Communicator: Strong capability to translate rigid compliance terminology and policy expectations into actionable tasks for developers, and conversely, translating complex cloud-native architectures into risk-management language for traditional auditors.
Principal DevOps Engineer Fluence Energy IncPrincipal DevOps EngineerArlington, VAThe Principal DevOps Engineer will act as the technical authority for infrastructure-as-code, CI/CD integration, and deployment automation, working closely with Product, Networking, Cybersecurity, and Deployment teams. Our core cultural pillars empower us to innovate, collaborate, and lead with purpose, ensuring we continue to deliver unparalleled value to our customers and the world.
Principal Software Engineer CarfaxPrincipal Software EngineerCentreville, VirginiaThe expert in vehicle history since 1984, CARFAX provides exclusive services like CARFAX Used Car Listings, CARFAX Car Care, CARFAX History-Based Value and the flagship CARFAX® Vehicle History Report to consumers and the automotive industry. CARFAX , part of S&P Global Mobility, helps millions of people every day confidently shop, buy, service and sell used cars with innovative solutions powered by CARFAX vehicle history information.
Director, Forward Deployed Engineering - Federal C3 AI Inc.Director, Forward Deployed Engineering - FederalTysons Corner, VA$180,000–$230,000 / yearOwn delivery outcomes across a portfolio of federal accounts spanning civilian agency and DoW/DoD customers, from signed SOW through production go-live and into expansion, coordinating Forward Deployed Engineers (FDEs), Forward Deployed Team Leads (FDTLs), Presales, and customer stakeholders against a single delivery plan per engagement. 10+ years of experience in management consulting or FDE/delivery leadership, with meaningful time in enterprise software, professional services, or technical consulting serving federal customers; consulting leadership experience at the Associate Partner/Principal level (McKinsey, BCG, Bain, or equivalent) is strongly preferred.
Senior Principal Technical Program Manager, US Federal Workday IncSenior Principal Technical Program Manager, US FederalReston, VA$217,400–$326,000 / yearYou will work across business, product, and engineering teams and balance cost, schedule, and technical variables to create tools and/or processes that help our customers realize better company outcomes. We know that flexibility can take shape in many ways, so rather than a number of required days in-office each week, we simply spend at least half (50%) of our time each quarter in the office or in the field with our customers, prospects, and partners (depending on role).
NewPrincipal Quality Engineer Northrop Grumman CorpPrincipal Quality EngineerWaynesboro, VA$89,400–$134,200 / yearIdentify and resolve complex technical and quality problems, issues, and defects on the production floor through problem-solving methodology, root cause investigations and root cause investigation and corrective action implementations. 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 Innovation Engineer Parsons CorpPrincipal Innovation EngineerReston, VA$176,900–$332,400 / yearThis is a hands-on senior engineering role for a technologist who can identify promising technologies, evaluate them against real operational needs, build compelling prototypes and demonstrations, and help transition the best ideas into production-ready capabilities. Job Description: Parsons is seeking a Principal Innovation Engineer to drive applied innovation for a mission-critical global identity and mobility platform deployed across a wide range of operating environments, from remote and austere locations to high-throughput modern facilities to cloud-forward architectures.
Principal Data Engineer REA GROUP LTDPrincipal Data EngineerRichmond, VAOur Because We Care program offers employees volunteering leave, community grants, matched payroll giving and our Community Café donates 100% of revenue to charity. While the focus of this role is on architecture and technical excellence, you will remain hands on and work with teams to develop software solutions using agile software development practices.
Principal AI-Enabled Software Engineer (Top Secret) Praescient Analytics LLCPrincipal AI-Enabled Software Engineer (Top Secret)Fairfax, VARemotePraescient Analytics is a Certified Woman-Owned Small Business (WOSB) with over a decade of expertise in advanced analytics, engineering, and DevOps, specializing in transforming complex data into actionable intelligence for informed decision-making. You will bring practical experience in AWS cloud environments, AI-assisted coding, AI-assisted testing, API-first design, and modern software engineering practices to help accelerate delivery and improve engineering maturity.
New["Principal Construction Estimator","Principal Construction Estimator"] Parsons Corporation["Principal Construction Estimator","Principal Construction Estimator"]Centreville$108,700–$190,200 / yearWith nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide. The Principal Construction Estimator should have a minimum of 10 years of a combination of field and/or estimating experience, preferably with an at-risk direct-hire multi-disciplinary heavy civil infrastructure contractor.
NewSystems Engineer - EO/IR Northrop Grumman CorpSystems Engineer - EO/IRVA$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. Requires an active Top-Secret/Sensitive Compartmented Information (SCI) clearance at time of application, current and within scope, with an ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time.
Director, Forward Deployed Engineering – Federal C3 AIDirector, Forward Deployed Engineering – FederalTysons, VAOwn delivery outcomes across a portfolio of federal accounts spanning civilian agency and DoW/DoD customers, from signed SOW through production go-live and into expansion, coordinating Forward Deployed Engineers (FDEs), Forward Deployed Team Leads (FDTLs), Presales, and customer stakeholders against a single delivery plan per engagement. • 10+ years of experience in management consulting or FDE/delivery leadership, with meaningful time in enterprise software, professional services, or technical consulting serving federal customers; consulting leadership experience at the Associate Partner/Principal level (McKinsey, BCG, Bain, or equivalent) is strongly preferred.
Principal Electrical Design Engineer Trident Systems IncPrincipal Electrical Design EngineerSterling, VAHowever, 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.
Principal/Chief Engineer (TS/SCI with CI Poly) MaxaarPrincipal/Chief Engineer (TS/SCI with CI Poly)Herndon, Virginia$220,000–$242,000 / yearAs the Chief Engineer for the HPC solutions team, the successful candidate will be responsible for managing the overall work effort and products of the engineering and system administration staff over the full lifecycle of programs and projects for engineering, integration and deployment. This includes performing systems requirements analysis, functional analysis, timeline analysis, trade studies, requirements allocation and interface definition, technical management, architecture design, integration, system testing, and quality assurance.
NewDevSecOps Engineer Principal - Platform Science Applications International CorpDevSecOps Engineer Principal - PlatformArlington, VA$160,001–$200,000 / yearAs the leading Joint All Domain Command and Control (JADC2) integrator, we specialize in transforming outdated command and control systems into dynamic, secure, hybrid cloud environments that enable real-time decision-making and maximize mission success. Supporting Every Phase of the SDLC: Ensure development pipelines, staging, test, and production environments are secure, scalable, and operationally efficient - driving product reliability and mission success.
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 RF Payload Engineer Science Applications International CorpPrincipal RF Payload EngineerChantilly, VA$160,001–$200,000 / yearOur robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. This role contributes to the development, verification, and sustainment of RF payload hardware for space-based intelligence, surveillance, reconnaissance (ISR), and communications missions.
Principal Software Engineer ProtingentPrincipal Software EngineerMiller Park, VA$112,000–$152,000 / yearAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. Including architectural vision, technology choices, and best practices to create scalable, reliable solutions designed to simplify and streamline core business functions.
Principal Manufacturing Engineer ElectraPrincipal Manufacturing EngineerManassas, VA$130,000–$160,000 / yearFull timeEmbedded in our Integrated Product Development Team (IPDT), your focus will be on electrical and avionics systems installation, applying DFM and DFA principles to enable efficient, scalable final assembly operations - and ensuring production test processes are built in from day one. Our Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation.
Principal Software Engineer Leidos Holdings IncPrincipal Software EngineerArlington, VA$131,300–$237,350 / yearThe candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
NewPrincipal Quality Engineer, Supplier QA ElectraPrincipal Quality Engineer, Supplier QAManassas, VAFull timeYou'll support the build-out of a 14 CFR 21.137-compliant Quality Management System, including First Article Inspection, and help stand up the supplier quality infrastructure - audits, documentation review, and an Approved Supplier List - that Electra needs as we scale from Manassas, VA to our future manufacturing site in Springfield, OH. The RoleAs our Principal Quality Engineer, Supplier QA Support, you'll hold dual responsibility within Electra's Quality organization: supporting our FAA Part 23 Type and Production Certification quality efforts, and leading supplier quality assurance across our procurement and manufacturing base.
Senior or Principal Electrical Design Engineer - Data Center Mission Critical Enercon Services IncSenior or Principal Electrical Design Engineer - Data Center Mission CriticalRichmond, VA$107,200–$180,000 / yearYou develop precise, high-quality designs, coordinate with other disciplines, and connect with clients to ensure solutions meet real-world needs. Client & Cross-Disciplinary Collaboration: Build strong relationships with clients through professional interactions and communications, and through the development of quality engineering products.
Principal Software Development Engineer in Test Akamai Technologies, Inc.Principal Software Development Engineer in TestRichmond, VA$169,300–$304,700 / yearAs a Principal Software Development Engineer in Test, you will be responsible for: + Designing, building, and scaling advanced automated test frameworks to validate the performance, reliability, and security of the Akamai Linux kernel for AI and Compute platforms. For US based candidates only - the base salary for this position ranges from $169,300 - $304,700/year; a candidate’s salary is determined by various factors including, but not limited to, relevant work experience, skills, certifications and location.
NewPrincipal Solutions Architect Link Solutions IncPrincipal Solutions ArchitectMcLean, VAIn addition, a demonstrated ability to rapidly evaluate emerging technologies, translate them into practical mission capabilities, and develop differentiated technical solutions supporting both strategic pursuits and corporate capability development. This individual will serve as the technical lead across capture, proposal, business development, operational, and engineering teams, helping shape differentiated solutions and long-term technical strategy.
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.
ConvergeProsperity - Product Forward Deployed Engineer, BankingSuite (Manager) - Innovation_Delivery_Transformation Deloitte Touche Tohmatsu LtdConvergeProsperity - Product Forward Deployed Engineer, BankingSuite (Manager) - Innovation_Delivery_TransformationVA$134,500–$266,100 / yearRequired: 8+ years of software engineering experience, with significant time spent in client-facing, solutions engineering, or field engineering roles; background in financial services (banking, capital markets, payments, insurance, or fintech) strongly preferred. This role is focused on BankingSuite, a managed composable banking platform that helps regional, universal, and community banks launch new digital product propositions & services and transform the digital customer experience.
NewPrincipal Sales Systems Engineer V (Government) AT&TPrincipal Sales Systems Engineer V (Government)Chantilly, VirginiaAT&T Global Public Sector – Federal Defense and Homeland supports Department of Homeland Security customers by delivering secure connectivity, mobility, professional services, and mission-focused technology solutions. Partner with account teams to understand customer mission needs and align AT&T products, services, and technical solutions to those requirements.
Senior Principal Cyber Security Engineer ManTechSenior Principal Cyber Security EngineerChantilly, VAThis role ensures performance, integrity, and protection across enterprise platforms while you serve as a senior technical leader and mentor, guiding strategic improvements and staying on the forefront of evolving cybersecurity technologies. + Experience inventorying complex networks and managing network documentation such as security compliance, configuration management, and patching.
Principal I&C Hardware Engineer Framatome North AmericaPrincipal I&C Hardware EngineerLynchburg, Virginia$115,000–$156,000 / yearFull timeWhat You’ll Do Day-To-Day: Performs a variety of more complex engineering assignments typically in areas of design, development, analysis, evaluation, testing, preparation of specifications, execution of field tasks and resolution of field problems. From our facilities in Virginia, Washington, North Carolina, Pennsylvania, Massachusetts and beyond, we deliver outage services, advanced nuclear fuel technologies, and next-gen reactor innovations that keep the lights on.
Cribl Engineer Expert Artech LLCCribl Engineer ExpertAshburn Rd, VA$160,000–$180,000 / yearMust possess the following DoD 8570.01-M certifications or be willing to obtain within 30 days of hire: Information Assurance Technician (IAT) Level II certification (currently Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND). You will shape pipeline strategy, design complex routing and transformation logic, drive platform reliability, mentor senior engineers, and serve as the top technical escalation point for Cribl-related challenges.
Principal Nuclear Engineer SME Leidos Holdings IncPrincipal Nuclear Engineer SMEReston, VA$154,050–$278,475 / yearThe successful candidate will lead technical assessments of foreign nuclear weapons infrastructure, reverse engineer protective hardening measures, and identify vulnerabilities across facilities, processes, and supply chains. Leidos' Analysis Solutions business area is seeking a highly accomplished Principal Nuclear Engineer Subject Matter Expert (SME) to support critical national security missions in Reston, Virginia.
Principal Enterprise Cloud Architect Expert In Recruitment SolutionsPrincipal Enterprise Cloud ArchitectNorth Philadelphia Area, PAThe principal engineer operates at the highest level of technical complexity, solving the most challenging problems and making architecture decisions with organization-wide impact. The Principal Cloud Platform Engineer serves as the organization's foremost technical authority on cloud platforms, providing strategic direction and thought leadership.
Principal Security Software Engineer (Storage) Hewlett Packard EnterprisePrincipal Security Software Engineer (Storage)Reston, Colorado$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.
Senior Cloud Network Engineer S.W.I.F.T. SCRLSenior Cloud Network EngineerManassas, VADesign, implement, and operate cloud networking components within the AWS Landing Zone (VPCs, subnets, routing, gateways, load balancing). Hands‑on experience designing and operating AWS networking constructs (VPC, subnets, routing, NAT, gateways, load balancing).
NewPrincipal AI/ML Engineer HarmonyTechPrincipal AI/ML EngineerNorthern, VAFull timeAI/ML Testing, Validation & Documentation – test plan execution, model inventories, model cards, explainability artifacts, drift/anomaly monitoring, AI governance documentation. You will be working with a high-performing agile team leading, designing and implementing AI/ML and business intelligence solutions for a Federal Regulatory agency.
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.
Senior Principal Radiation Effects Engineer BAE Systems PlcSenior Principal Radiation Effects EngineerManassas, VAfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US123295BREXTERNAL/Senior-Principal-Radiation-Effects-Engineer .
Lead Software Engineer Genworth FinancialLead Software EngineerRichmond, New YorkThis role requires deep expertise in modern software development practices, a passion for emerging technologies, and the ability to provide strong technical leadership and mentorship. Perspective A systems-level mindset with the ability to balance short-term delivery needs against long-term architectural health.
Engineer Principal - FPGA Design - $20K Sign On Bonus BAE Systems PlcEngineer Principal - FPGA Design - $20K Sign On BonusChantilly, VAfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US125019BREXTERNAL/Engineer-Principal---FPGA-Design---$20K-Sign-On-Bonus .
Engineer Senior Principal - Lead Mission Analyst BAE Systems PlcEngineer Senior Principal - Lead Mission AnalystChantilly, VAA person born or naturalized in the U.S. who owes allegiance to the U.S. Security Clearance: Many of our positions require the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. Life in Colorado Just outside Denver, our Broomfield, Boulder, and Westminster sites are home to BAE Systems Space & Mission Systems (SMS).