NewPrincipal Software Engineer AMETEK, IncPrincipal Software EngineerGermantown, MDFull timeThe ideal candidate is a hands-on engineer with a proven track record designing and delivering complex embedded systems that acquire and process video data while generating highly accurate, deterministic control signals with microsecond-level timing requirements. In this onsite role in Germantown, Maryland, you will help lead the software architecture and development of a new medical technology platform while contributing to the continued evolution of the established RETeval® product portfolio.
NewPrincipal Data Scientist PenFed Credit UnionPrincipal Data ScientistMcLean, VirginiaFull timeDemonstrate strong data analysis skills, ability to understand underlying data and complex loss/balance forecasting models, various product features, possess organizational and prioritization skills, as well as strong attention to detail. Ability to interact effectively with team members across the management team, Lines of Business (LOB), credit officers, finance, model governance, oversight, validation, and audit organizations.
Principal Systems Engineer- DRT Thales Defense & Security IncPrincipal Systems Engineer- DRTGERMANTOWN, MD$149,702–$191,286 / yearWith over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities. Lead product development systems activities/teams with use case analysis, requirements capture, allocation, and derivation, architectural analysis and design, system level testing, integration, verification and validation efforts, and transition to manufacturing.
Principal Cloud Engineer Meso Scale Diagnostics LLCPrincipal Cloud EngineerMD$116,600–$177,800 / yearPartner with Cybersecurity on cloud security engineering: IAM, KMS encryption, secrets management, GuardDuty, Security Hub, AWS Config, vulnerability management, and SIEM (SIEMonster/Wazuh) integration; lead remediation of cloud security findings. Strong cloud security engineering knowledge: IAM design at scale, KMS and secrets management, GuardDuty/Security Hub/AWS Config, vulnerability management, and integration with enterprise SIEM platforms (Wazuh, Splunk, Sentinel, or comparable).
Principal Project Mgr - Infrastructure Renewal (Design & Construction)- 90240891 -DC/PHL/WIL/BAL National Railroad Passenger CorpPrincipal Project Mgr - Infrastructure Renewal (Design & Construction)- 90240891 -DC/PHL/WIL/BALWashington, 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/Director, Client Development Business Talent Group, LLCPrincipal/Director, Client DevelopmentWashington D.C., DCIn our role as trusted leadership advisors, we partner with our clients to develop future-ready leaders and organizations, bringing together our services and offerings in executive search, diversity and inclusion, leadership assessment and development, organization and team acceleration, culture shaping and on-demand, independent talent solutions. The successful candidate will develop and manage account-based strategies for client engagement, lead and build senior client relationships, cultivate and manage project evaluations, partner with client service teams on talent placements and active projects, and contribute to best practice sharing across the client development team.
Principal Electrical Design Engineer Mercury Systems IncPrincipal Electrical Design EngineerChantilly, VAYou will lead board-level hardware development for mission-critical embedded computing, high-speed digital systems, advanced FPGA solutions, secure processing, and extreme environment electronics supporting operations across air, land, sea, and space. Architect advanced electrical circuit board solutions involving secure processing, storage, networking, FPGAs, high-speed interfaces, and extreme environment electronics.
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 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.
Principal Network Engineer ManTech International CorpPrincipal Network 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 Optical Communications Architect Blue Origin Enterprises LPPrincipal Optical 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.
Principal Incident Response Analyst - 90397446 - null National Railroad Passenger CorpPrincipal Incident Response Analyst - 90397446 - nullWashington, DC$124,600–$161,352 / hourYou will serve as a subject matter expert responsible for coordinating and executing incident response activities across the organization, lead complex investigations involving suspected and confirmed cybersecurity incidents, execute the cyber incident response plan, response playbooks, and partner closely with information security leadership, business stakeholders, and cross-functional teams to ensure timely resolution of security incidents. ESSENTIAL FUNCTIONS: As a Principal Cyber Threat Incident Response Analyst, you will provide industry-leading cyber incident response supporting the Cyber Fusion Center mission to effectively detect and respond to threats and reduce the overall impact of business risk before, during, and after an incident.
Consultant, Principal ABS Group of Companies IncConsultant, PrincipalWashington, DCRemote$120,000–$140,000 / yearAbility to actively listen to the needs of our clients by receiving shared information, determining context of the information provided and generating probing questions to better understand, retaining the information for future access, engaging and collaborating with sales team on potential opportunities, and responding with solutions. Ability to utilize established rapport and role as a subject matter expert with existing clients to facilitate development of new business through identifying and consistently generating new business opportunities.
Consultant, Senior Principal ABS Group of Companies IncConsultant, Senior PrincipalWashington, DCRemote$150,000–$160,000 / yearAbility to actively listen to the needs of our clients by receiving shared information and determine context of the information provided and generating probing questions to better understand, retaining the information for future access, engaging with sales team on potential opportunities, suggesting solutions to sales team, and responding with proposed solutions. Ability to utilize established rapport and role as a subject matter expert with existing clients to facilitate development of new business through identifying and consistently generating new business opportunities.
Principal Cybersecurity Systems Security Officer - 90307947 - null National Railroad Passenger CorpPrincipal Cybersecurity Systems Security Officer - 90307947 - nullWashington, DC$113,200–$146,664 / hourServe as the primary cybersecurity advisor for Agile Release Trains (ARTs), partnering with business, portfolio, product, architecture, and engineering stakeholders to integrate security-by-design principles, DevSecOps practices, and risk management activities into Program Increment (PI) Planning and solution delivery processes. Our 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.
Principal Program Manager Oracle CorpPrincipal Program ManagerReston, VA$90,100–$209,500 / yearOracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle''s differing products, industries and lines of business. Effectively influences internal and external teams to prioritize; Drives mitigation plans and ensures ownership for each item and regular follow up through to program closure while ensuring resolution of risk and issues, escalating, as necessary.
Principal Technical Program Manager Oracle CorpPrincipal Technical Program ManagerReston, VA$97,500–$209,500 / yearData Hall Design includes the physical infrastructure design workstreams required to prepare data halls for scalable OCI deployment, including structured cabling, fiber infrastructure, low-voltage systems, physical networking dependencies, construction handoffs, colocation readiness, and operational handoff milestones. This role will report to the Director of Technical Program Management for Data Hall Design and will operate as a senior individual contributor responsible for program execution, delivery governance, risk management, dependency tracking, process improvement, and stakeholder alignment.
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 Digital Electrical Engineer Thales Defense & Security IncPrincipal Digital Electrical EngineerGermantown, MD$156,160–$199,525 / yearLead small digital engineering teams and/or work independently to define requirements, conceive, document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, oversee PCB layouts, load firmware/software on prototype boards and radios, perform verification testing, debug, and optimize digital circuit designs to meet requirements at the circuit, card, and product levels. Experience utilizing a formal design process to document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, load firmware/software on prototype boards and radios, perform verification testing, debug, and optimize circuit designs to meet requirements at the circuit, card, and product levels.