Sr Principal DT Security Engineer - 90343213 - Remote National Railroad Passenger CorpSr Principal DT Security Engineer - 90343213 - RemoteDCRemote$149,400–$193,644 / 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. Acting as a trusted advisor to both technology and business leadership, this individual leads the planning and execution of strategic initiatives, evaluates emerging technologies, develops long-term roadmaps, and influences enterprise architecture decisions both within and beyond the IAM domain.
Principal Cloud Engineer ManTech International CorpPrincipal Cloud EngineerChantilly, VAYour adventure begins now\u2014unleash your potential with MANTECH!\n \nMANTECH seeks a motivated, career and customer-oriented Principal Cloud Engineer to join our team in Chantilly, VA.\n \nThe Principal Cloud Engineer will leverage their strong technical background and knowledge to design, implement, and manage secure cloud infrastructures in support of mission-critical operations, with a strong focus on security monitoring and threat detection. This role supports complex cloud environments by leveraging modern DevOps tools and practices, collaborating across teams to solve technical challenges.\n \nResponsibilities include but are not limited to:\n\n Supporting AWS, Azure, Oracle, and GCP cloud services and infrastructure using Infrastructure as Code (IaC) tools such as Terraform or ARM templates.\n
Principal Electrical Power Subsystem Architect Blue Origin Enterprises LPPrincipal Electrical Power Subsystem ArchitectReston, VA$169,624–$237,473.25 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
NewPrincipal Space Vehicle System Design Lead Blue Origin Enterprises LPPrincipal Space Vehicle System Design LeadReston, VA$169,624–$237,473.25 / yearYour effectiveness stems from four integrated competency areas: (1) Technical Expertise - deep domain knowledge in space vehicle systems engineering, electronics, embedded software, controls algorithms, sensors, actuators, power systems, and data networks, combined with systems-level thinking that anticipates downstream impacts of design decisions; (2) Technical Leadership - sound judgment that balances innovation with reliability, fluency in design reviews, failure analysis acumen, and confident decision-making under uncertainty; (3) People & Team Dynamics - mentorship mindset, cross-functional influence, composure under pressure, and a collaborative style that fosters innovation and resilience; and (4) Strategic Vision & Organizational Impact - tying technical decisions to mission success and business goals, identifying organizational gaps before they escalate, and communicating a compelling technical vision across all levels. As a Principal Systems Engineer on a hardworking team of talented specialists, technicians, and engineers, you will function as the Space Vehicle System Design Lead for a unique customer mission within the Blue Ring Systems Engineering, Integration & Test organization, working closely with other system, software, hardware and integration & test engineers to develop the optimal space vehicle system solution for unique Blue Ring Spacecraft missions and customer needs.
Principal Space RF Communications Architect Blue Origin Enterprises LPPrincipal Space RF Communications ArchitectReston, VA$169,624–$237,473.25 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Senior Principal Mission Engineer OASYS IncSenior Principal Mission EngineerChantilly, VARequired Experience, Skills and Attributes: Master's Degree in Math, Science or Engineering with 15+ Years of demonstrated system engineering and integration experience with space, ground, operations and sustainment segments of DoD or NRO programs with a proven delivery record or a bachelor's degree in Math, Science or Engineering with 17+ Years of demonstrated experience. Make a difference for national security by joining a team of dedicated professionals who assist the Space Development Agency in developing and deploying the next generation of satellites and ground systems for missile warning (MW), missile tracking (MT) and missile defense (MD).
Principal Systems Administrator Envision Innovative SolutionsPrincipal Systems AdministratorAnnapolis Junction, MD$210,000–$219,000 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. • Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices.
Senior Principal Mission Engineer (Scenarios) Trusted Space, LLCSenior Principal Mission Engineer (Scenarios)Chantilly, VA$170,000–$200,000 / yearMaster’s Degree in Math, Science or Engineering with 15+ Years of demonstrated system engineering and integration experience with space, ground, operations and sustainment segments of DoW or NRO programs with a proven delivery record, or a bachelor’s degree in Math, Science or Engineering with 17+ years of demonstrated experience. Trusted Space is the premier provider of trusted autonomy and battlespace management software solutions enabling machine speed sensing, sense making, decision making, and acting for critical space and intelligence missions.
Principal Cyber Engineer ManTech International CorpPrincipal Cyber EngineerChantilly, VA$141,500–$236,000 / yearLead complex network troubleshooting and root cause analysis across enterprise, data center, cloud, and hybrid environments, utilizing packet captures, routing analysis, traffic flow inspection, and protocol level diagnostics to rapidly identify and resolve service-impacting issues. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.
Principal Hardware Engineer - TeraWave Network Switch Platform Blue Origin Enterprises LPPrincipal Hardware Engineer - TeraWave Network Switch PlatformReston, VA$183,193–$256,469.85 / yearBlue Origin's Emerging Systems business unit is building TeraWave, a satellite communications constellation powered by the most advanced optical communications architecture ever attempted: thousands of optically interconnected satellites delivering symmetrical data speeds of up to 6 Tbps anywhere on Earth, providing enterprise and hyperscale customers with resilient, scalable connectivity for critical operations where terrestrial infrastructure cannot reach. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.
NewSAP S/4 Debt & Collection SME (Principal) - Remote The Dignify Solutions, LLCSAP S/4 Debt & Collection SME (Principal) - RemoteColumbia, MDRemoteDesigns and advises on incoming order acceptance, advance payment processing, reimbursable billing, revenue collection, and the full federal debt lifecycle from identification through Treasury referral or write-off. Defines target architecture, process design, controls, and integration across FI/AR, Public Sector Management, billing, and Treasury offset/referral processes.
Principal Security Consultant Kratos DefensePrincipal Security ConsultantHerndon, VAAs a Principal Security Consultant of Commercial Cybersecurity Services for Kratos, you will be leading and supporting teams of professionals working to evaluate and secure innovative cloud computing solutions on the most advanced cloud and on-premises infrastructures, by providing security consulting services and performing security assessments. Required certification(s): Maintain a CISSP and one or more of the following certificates: CASP+ CE, GCED, GCIH, GSLC, CISA, CISM, CCSP, CISSP-ISSAP, CISSP-ISSEP, CISSP-ISSMP, CFR, CCISO.
Principal Developer TeamcenterX Meso Scale Diagnostics LLCPrincipal Developer TeamcenterXMD$116,600–$177,800 / yearThe position owns the technical architecture for server-side customization (ITK, SOA, custom handlers), codeful BMIDE extensions, Active Workspace Client (AWC) customization, and integrations connecting Teamcenter with JD Edwards ERP, CAD systems, manufacturing systems, and downstream consumers across MSD's digital thread. Architect integrations between Teamcenter X and downstream/upstream systems (JD Edwards ERP, MES, CAD, quality systems, middleware) using T4S, T4EA, SOA, REST, and message-based patterns; own end-to-end integration design across the MSD digital thread.
Principal Autonomous Navigation Engineer Blue Origin Enterprises LPPrincipal Autonomous Navigation EngineerReston, VA$173,466–$242,851.35 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Sr Principal Architect - Architecture Practice - Remote National Railroad Passenger CorpSr Principal Architect - Architecture Practice - RemoteWashington, DCRemote$149,400–$193,644 / 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. Strong expertise in architectural practices: Architectural Decision Records, Build vs Buy analysis, Business Capability Maps, Value-Stream Analysis, Solution Architecture work products, Architecture Governance.
Principal Program Manager Mercury Systems IncPrincipal Program ManagerChantilly, VAIn this role you will lead highly diverse cross functional teams composed of contracts, program planning, finance, operations, and engineering, to develop next-generation high-performance embedded processing solutions. You will support programs across our Compute Line of Business, where we design, develop, and produce embedded computers, networking appliances, storage solutions, and integration processing subsystems.
Principal Operations Research Scientist - 90028548 - Washington National Railroad Passenger CorpPrincipal Operations Research Scientist - 90028548 - WashingtonWashington, DC$124,600–$161,352 / 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. The Principal Operations Research Scientist - Revenue Management Systems (RMS) is a senior individual contributor role reporting to the Director, Revenue Products and Business Planning within the Pricing, Revenue Management, Sales and Distribution (PRMSD) organization at Amtrak.
Principal Solutions Architect - PLM & Digital Thread Meso Scale Diagnostics LLCPrincipal Solutions Architect - PLM & Digital ThreadRockville, MD$116,600–$177,800 / yearFamiliarity with digital thread concepts: Production configuration management, routers, BOM lifecycle management, document management, change management and closed-loop quality integration across enterprise systems. Transformational experience: demonstrated history of leading or significantly contributing to enterprise-scale PLM implementations that changed how an organization operates - not just maintained existing systems.
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 Threat Surface Analyst - Remote or Hybrid in MN or DC UnitedHealth Group IncPrincipal Threat Surface Analyst - Remote or Hybrid in MN or DCWashington, DCRemote$112,700–$193,200 / yearThe fraudulent LinkedIn messages and emails, which do not originate from any Executives LinkedIn account or of UnitedHealth Group's email domains, or those of any of its operating divisions, supposedly conducts an interview via a Zoom meeting, offers a work from home job at Optum, emails an application, sends a fake check by next day delivery through USPS and asks recipients to pay a vendor a large dollar amount. Experience implementing and supporting enterprise endpoint platforms such as: Microsoft Defender for Endpoint, Trend Micro, CrowdStrike, SentinelOne, Carbon Black.