Principal Threat Intelligence Engineer - Remote or Hybrid in MN or DC UnitedHealth Group IncPrincipal Threat Intelligence Engineer - Remote or Hybrid in MN or DCWashington D.C., 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. The role focuses on ingesting, normalizing, and enriching threat intelligence information, integrating Threat Intelligence Platforms (TIPs) and intelligence sources with security tooling (e.g., SIEM, SOAR, EDR), and deploying automated intelligence-enabled detection and response workflows.
Principal Substation Electrical Engineer - Regional Datacenter Engineering Microsoft CorpPrincipal Substation Electrical Engineer - Regional Datacenter EngineeringWashington D.C., DC$142,800–$274,800 / yearDoctorate in Electrical Engineering, Computer Engineering, or related field AND 5+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, or related field AND 8+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, or related field AND 12+ years technical engineering experience OR equivalent experience. Doctorate in Electrical Engineering, Computer Engineering, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, or related field AND 8+ years technical engineering experience OR equivalent experience.
Senior Principal Engineer Edison Electric InstituteSenior Principal EngineerWashington, DC$158,843–$190,629 / yearAs Senior Principal Engineer in EEI’s Reliability department, you will be a go-to expert for member companies and a recognized voice in national conversations about grid reliability and resilience—working directly with NERC, FERC, and the DOE. Our members deliver electricity to more than 250 million Americans across all 50 states and Washington, DC, and together the electric power industry supports more than 7 million jobs nationwide.
Principal Engineer - Product Integrity Blue OriginPrincipal Engineer - Product IntegrityBay Area, Washingtonand/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. You will solve unprecedented challenges in ensuring hardware survives the rigors of launch, orbit, and long-duration deployment—pioneering physics-of-failure methodologies, predictive reliability frameworks, and AI-driven engineering approaches that redefine how high-stakes hardware is designed, qualified, and validated.
Principal Electrical Engineer II Reworld Holding CorpPrincipal Electrical Engineer IIDC$118,700–$169,800 / yearMust have proficiency in developing and understanding One Line/Three Line Diagrams, DC Control Schematics, Wiring diagrams, GA drawings related to interconnections, substations, power plants and electrical aspects of process plants including but not limited to motors, MCCs, PDCs and other electrical equipment. Commissioning/Startup: Provide SME design support to Project Managers on assigned construction projects Provide engineering support for commissioning and installations for assigned design projects.
Marine Engineer (Auxiliary & Fluid Systems) - Arlington, VA SercoMarine Engineer (Auxiliary & Fluid Systems) - Arlington, VAWashington, DCAs a Marine Engineer, you will receive technical guidance and training from the more experienced technical staff and apply your marine engineering experience to perform analyses and prepare engineering deliverables in support of the design of ships, craft, and other floating structures. + Develop machinery arrangements and configurations illustrating primary functional allocation of spaces within the ship considering locations and adjacency constraints, perform special studies including access and maintenance analyses, assist in detailed layouts of machinery spaces.
Principal Software Engineer - Dataplane & Edge Infrastructure Blue OriginPrincipal Software Engineer - Dataplane & Edge InfrastructureBay Area, Washington$290,709–$406,991.55 / 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.
New Glenn - Principal Software Engineer Blue OriginNew Glenn - Principal Software EngineerWashingtonand/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.
Principal Forward Deployed Engineer - QuantumBlack, AI by McKinsey McKinsey & Co IncPrincipal Forward Deployed Engineer - QuantumBlack, AI by McKinseyWashington DC, DCExperience designing, deploying, and managing cloud-based systems (AWS, Azure, or GCP), including containerization (Docker) and orchestration frameworks, with hands-on experience operating and troubleshooting production systems; deep expertise in Kubernetes cluster architecture, installation, configuration, and lifecycle management at production scale. Experience with AI-native platform concepts, including model integration patterns, agentic architectures (tool calling, prompt orchestration, multi-agent workflows), and data pipelines that support AI-driven applications is a plus.
Principal Engineer, State Estimation (R4602) Shield AI IncPrincipal Engineer, State Estimation (R4602)Washington, DC$270,000–$400,000 / yearThis role requires deep expertise in state estimation theory, extensive practical experience implementing ownship navigation systems in the aerospace domain, and strong software development skills for production-quality navigation code. The engineer will design and implement a unified navigation architecture that supports traditional GNSS/IMU fusion while being extensible to all-source navigation strategies incorporating diverse sensing modalities for GPS-degraded and denied environments.
Principal Engineer -Cyber Security A3 TECHNOLOGY INC.Principal Engineer -Cyber SecurityWashington, DC$50,000–$175,000 / year10+ years of FAA security experience supporting the National Airspace System (NAS): Experience with the full lifecycle security compliance for mission-critical systems, ensuring strict adherence to FAA Order 1370.121 (Information Security and Privacy Program) and NIST SP 800-53 Rev. Essential Job Duties: Provide Chief Security Architect-level expertise to develop, review, and validate cybersecurity architectures, designs, and interface specifications for NAS enterprise systems and services.
NewPrincipal Software Engineer Recorded FuturePrincipal Software EngineerWashington, DC$152,000–$228,500 / yearAs a Principal Software Engineer, you will work across application code and infrastructure to collect, transform, and deliver structured threat data: tracking malware infrastructure, phishing campaigns, spam networks, command-and-control systems, and more. Data Pipeline Ownership: Design, build, and maintain scalable data pipelines that collect, transform, and deliver structured threat intelligence data powering the Security Intelligence Graph.
Principal Software Development Engineer - Frontend Re:CarPrincipal Software Development Engineer - FrontendWashingtonYou drive awareness about the impact and consequences of technical decisions on the business, balancing technical leadership with strong business judgment to make the right long-term decisions about technology choices. You must be able to thrive and succeed in a fast-paced startup environment where your contributions have a direct impact on the company’s direction and success and should not be hindered by ambiguity or competing priorities.
Senior Principal Azure Engineer General Dynamics Information TechnologySenior Principal Azure EngineerWashingtonWork with Cloud Architect to support secure and reliable connectivity across Azure Commercial and Azure IL5 / IL6 environments, including hybrid integrations, utilizing automation tools like Ansible or PowerShell scripts to streamline repetitive admin tasks (provisioning new servers, configuring roles/features, or backing up system configurations. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Principal Kubernetes Engineer Leidos Holdings IncPrincipal Kubernetes EngineerDC$154,050–$278,475 / yearWorking alongside cloud engineers, software developers, cybersecurity professionals, and product managers, you will architect, automate, and optimize enterprise Kubernetes capabilities that improve developer productivity, strengthen platform security, and enhance operational resilience. In this role, you will serve as the senior technical lead for one of four Kubernetes platform environments, driving the engineering of secure, scalable, and highly available platform services that enable rapid software delivery across hybrid cloud environments.
Principal Threat Intelligence Engineer - Remote Or Hybrid In MN Or DC UnitedHealth Group Inc.Principal Threat Intelligence Engineer - Remote Or Hybrid In MN Or DCWashington, DCRemote$112,700–$193,200 / yearThe role focuses on ingesting, normalizing, and enriching threat intelligence information, integrating Threat Intelligence Platforms (TIPs) and intelligence sources with security tooling (e.g., SIEM, SOAR, EDR), and deploying automated intelligence-enabled detection and response workflows. The Principal Threat Intelligence Engineer is expected to execute the delivery of technical intelligence solutions to CTI, SOC, Threat Detection, and Threat Hunting teams that accelerate the processing and dissemination of intelligence, increase speed of detection, and enable rapid response.
Sr. Principal Threat Intelligence Engineer- Remote Or Hybrid In MN Or DC UnitedHealth Group Inc.Sr. Principal Threat Intelligence Engineer- Remote Or Hybrid In MN Or DCWashington, DCRemote$134,600–$230,800 / yearThe Senior Principal Threat Intelligence Engineer is expected to conceptualize, guide, and execute the delivery of technical intelligence solutions to CTI, SOC, Threat Detection, and Threat Hunting teams that accelerate the processing and dissemination of intelligence, increase speed of detection, and enable rapid response. The role focuses on ingesting, normalizing, and enriching threat intelligence information, integrating Threat Intelligence Platforms (TIPs) and intelligence sources with security tooling (e.g., SIEM, SOAR, EDR), and deploying automated intelligence-enabled detection and response workflows.
NewPrincipal Network Engineer Blue OriginPrincipal Network EngineerWashingtonand/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.
Principal Data Center MEP Engineer Enercon Services IncPrincipal Data Center MEP EngineerWashington, WA$150,000–$195,000 / yearResponsibilities include: Engineering Leadership: Drive impactful solutions in the power industry through expert design, analysis, and cutting-edge data center systems. Design Precision & Real-World Impact: Develop detailed designs, calculations, and documentation, transforming concepts into executable plans.
Principal Mechanisms Design Engineer - TeraWave Blue OriginPrincipal Mechanisms Design Engineer - TeraWaveWashingtonand/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.