Lead Principal Software Engineer - TS/SCI The Fountain Group LLCLead Principal Software Engineer - TS/SCIWashington, DC$90–$100 / hourThis role carries architectural authority and mentorship responsibility: the successful candidate will lead the development of reusable Helm charts, GitOps templates, and deployment strategies; contribute to platform-wide architecture decisions; and guide junior engineers through design decisions and tradeoffs. The SWE Level 3 is a senior engineer capable of designing, implementing, and improving distributed application orchestration logic across a Kubernetes-native platform in a classified environment.
1327 - Lead Principal Software Engineer = Pos: 794 - Software Engineer (SWE) - Skill Level 2 Metasys Technologies1327 - Lead Principal Software Engineer = Pos: 794 - Software Engineer (SWE) - Skill Level 2Forte Meade, MD$70–$82.76 / hourFamiliarity with two or more of the following: Kubernetes CRDs/operator patterns, event-driven architectures (Kafka, pub/sub), Terraform or Ansible, secrets management solutions, Rancher or OpenShift, observability tools (Prometheus, Grafana, ELK/EFK). The ideal candidate will collaborate with cross-functional teams to develop deployment pipelines, integrate services, and support scalable Kubernetes-based applications while emphasizing automation, documentation, and code reusability.
Principal Software Engineer, SIEM Ruby/Rails Huntress Labs IncPrincipal Software Engineer, SIEM Ruby/RailsDCRemoteAs a Principal Software Engineer at Huntress, you will be responsible for leading a feature delivery team in the design, development, and high-quality release of software features for the Huntress SIEM Platform that provides for automated detection and human-powered threat hunting. Collaborate closely with the team engineering manager, product manager, security research, platform, and architect on strategic initiatives and technical designs.
Principal Software Engineer (Auth0) Okta IncPrincipal Software Engineer (Auth0)Washington, DC$274,000–$376,200 / yearYou constantly strive to hit the right balance between simplicity and flexibility You have a talent to grok customers needs and continuously iterate on your understanding of a problem space based on their feedback, industry trends and available technology You are able to work in a team environment, have good communication skills and understand the value of collaboration Nice to have: can design and architect large scale distributed systems Understand the cost implications of cloud systems you design Have 10+ years of software development experience Have 4+ years of identity experience and working on cloud services Have 3+ years of experience working in developer tooling or strong passion and demonstrable taste for it #LI-HYBRID#LI-SH1P-1171_3481461The annual base salary range for this position for candidates located in the San Francisco Bay area is between:$274,000-$376,200 USDBelow is the annual base salary range for candidates located in California (excluding San Francisco Bay Area), Colorado, Illinois, New York and Washington. Classification of protected categories is as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.
NewPrincipal Software Engineer Alarm.comPrincipal Software EngineerWashington, DC$167,500–$213,750 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
NewPrincipal Software Engineer - Dataplane & Edge Infrastructure Blue OriginPrincipal Software Engineer - Dataplane & Edge InfrastructureBay 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. 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 Software Engineer - Backend Dragos IncPrincipal Software Engineer - BackendDCRemoteAs the market leader in ICS/OT Cybersecurity, we are dedicated to arming our customers with best-in-class technology, threat intelligence, and services to protect their systems as effectively and efficiently as possible. Dragos is on a relentless mission to defend industrial organizations that provide us with the necessities of modern civilization; running water, functioning electricity, and safe industrial working environments.
NewPrincipal Software Engineer CVS Health CorpPrincipal Software EngineerDC$144,200–$288,400 / yearDesign and operate scalable LLM pipelines (e.g., Claude, Gemini, GPT-4-class) including prompt engineering, structured outputs, evaluation frameworks, retrieval/vector search, OCR-based document understanding, grounding, guardrails, and hallucination mitigation. Architect distributed, event-driven, streaming services that support sub-second clinician experiences under heavy load, with strict SLOs and strong fault tolerance.
Principal Software Engineer - Remote or Hybrid in MN and DC UnitedHealth Group IncPrincipal Software Engineer - Remote or Hybrid in MN and DCDCRemote$132,200–$226,600 / 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. Serving all of UnitedHealth Group"s digital technology needs, the CDO team is responsible for driving outcomes across nearly 30 million+ human lives with UnitedHealthcare insurance, a number which puts UHC at the top of the pack as the largest managed care provider in the United States.
Principal Engineer, Software (R5285) Shield AI IncPrincipal Engineer, Software (R5285)Washington, DC$220,000–$330,000 / yearHivemind consists of four products: EdgeOS (C++ based high-performance middleware for autonomy development), Pilot (autonomy for the edge built atop EdgeOS; a models-based, modular and open architecture C++ codebase), Forge (Shield AI's AI Factory for the design, development, and testing of Hivemind Edge systems; a service-oriented architecture leveraged through an SDK, CLI, and web portal; a Go, Python, Typescript codebase), Commander (Software and hardware to support rich human-in-the-loop and human-on-the-loop interactions with the Hivemind; a C++-based back-end for interaction with Pilot; and a web-application UI for mission planning, command and control by operators implemented in a Typescript/React codebase). Work closely with the technical leads of Hivemind Commander (mission planning, command and control, air-ground communications) and Hivemind Design (configurations, test and evaluation, rehearsal, analysis) to enhance the user experience of their products.
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.
Principal Software Engineer Recorded Future IncPrincipal Software EngineerDC$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. What You'll Do: 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 Engineer - 90402969 - Onsite - Washington DC, Wilmington DE, Philadelphia PA National Railroad Passenger CorpPrincipal Software Engineer - 90402969 - Onsite - Washington DC, Wilmington DE, Philadelphia PADC$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. Amtrak may offer additional incentive and pay programs to recognize and reward our employees, including a short-term incentive bonus based upon factors such as individual and company performance that is commensurate with the level of the position and/or long-term incentive plan compensation.
NewPrincipal Embedded Software Engineer - TeraWave Customer Terminals Blue OriginPrincipal Embedded Software Engineer - TeraWave Customer TerminalsBay 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. 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 Engineer, Ground System Software (R5199) Shield AI IncPrincipal Engineer, Ground System Software (R5199)DC$220,000–$330,000 / yearThe ideal candidate combines deep technical software expertise with an understanding of systems engineering principles, including requirements management, model-based systems engineering (MBSE), verification and validation, configuration management, customer communications and cross-functional technical leadership. Work with software responsible engineers to develop and model high-quality, scalable, maintainable software solutions using modern programming languages, frameworks & System Modeling Tools.
NewFlight Software Systems Engineer, Principal - New Glenn Blue OriginFlight Software Systems Engineer, Principal - New GlennWashingtonand/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 Software Engineering - Enterprise Technology Blue OriginSr Principal Software Engineering - Enterprise TechnologyWashingtonand/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 Software Engineer - AI Interaction Evaluator (Codex / Claude Code, up to $200/hr) G2i IncSenior Software Engineer - AI Interaction Evaluator (Codex / Claude Code, up to $200/hr)Washington, D.C., DC$50–$200 / hourWe're looking for highly experienced software engineer (SR+) to help evaluate the quality of interactions with modern coding agents such as OpenAI Codex and Claude Code. We're specifically looking for engineers who can answer questions like: Does this feel like something a strong engineer would actually say?.
Sr Principal SAP BTP Engineer - 90405295 - Washington (Washington, DC, US, 20001) AmtrakSr Principal SAP BTP Engineer - 90405295 - Washington (Washington, DC, US, 20001)Washington, DC$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. Collaborate with project managers, Senior Principal Software Engineers, Business System Analysts, IT service owners, and leads to keep everyone updated on development efforts and issue statuses, providing technical leadership for both operational and project initiatives.
Sr Principal SAP BTP Engineer - 90405295 - Washington National Railroad Passenger CorpSr Principal SAP BTP Engineer - 90405295 - WashingtonDC$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. Collaborate with project managers, Senior Principal Software Engineers, Business System Analysts, IT service owners, and leads to keep everyone updated on development efforts and issue statuses, providing technical leadership for both operational and project initiatives.
NewSoftware Engineer - RFGL Systems Spire Global IncSoftware Engineer - RFGL SystemsWashington, DC$90,000–$130,500 / yearInstead, you will own the operational side: deploying and maintaining production RFGL/SIGINT software systems on AWS, handling data pipelines and integrations (internal + customer-facing), building monitoring tooling and automation, supporting satellite tasking workflows, and troubleshooting/fixing issues across payloads, ground systems, and infrastructure to drive RFGL product success for commercial, government, and defense customers. This is an early-to-mid-career hands-on role ideal for someone who thrives in iterative, production-focused environments and wants to contribute meaningfully to mission-critical space systems without needing deep RF estimation theory expertise upfront.
Sr Principal SAP BTP Engineer Vets HiredSr Principal SAP BTP EngineerWashington, WashingtonThis role provides technical leadership for software development, cloud architecture, SAP integrations, automation, analytics, and modernization initiatives while ensuring scalable, secure, and high-performing enterprise applications. The Senior Principal SAP BTP Engineer designs, develops, and supports enterprise software solutions using SAP Business Technology Platform (BTP).
Principal Engineer Senior Manager Accenture Federal ServicesPrincipal Engineer Senior ManagerWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $177,900—$203,600 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Sr Principal SW Development Engineer UKGSr Principal SW Development EngineerWashington, DC$163,900–$235,550 / yearOperating at a principal level, this role goes well beyond traditional requirements gathering—serving as a trusted advisor, systems strategist, and transformation leader across large, multi-phase programs involving D365 Finance & Operations, and integrated enterprise platforms. This role partners closely with Finance and Go To Market teams and IT leadership to translate complex business objectives into scalable, compliant, and future-ready system solutions.
Principal Engineer w/Top Secret Clearance TekSynapPrincipal Engineer w/Top Secret ClearanceWashington, Washington, DC$160,000–$200,000 / yearFull timeKnowledge 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. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.
Senior Software Engineer, C++ Software Integration (R4021) Shield AI IncSenior Software Engineer, C++ Software Integration (R4021)DC$123,199–$184,799 / yearJoin a team thats driving innovation through robust software engineering and practical integration work across simulation environments, third-party systems, and development workflows. Required Qualifications: Typically requires a minimum of 5 years of related experience with a Bachelors degree; or 4 years and a Masters degree; or 2 years with a PhD; or equivalent work experience.
Principal Engineer, AI Factory Banyan SoftwarePrincipal Engineer, AI FactoryWashingtonProblem Solving: Apply strong analytical and structured problem-solving skills including technical problem definition, functional decomposition, and hypothesis-driven investigation to resolve complex engineering and operational challenges, with the ability to make confident technical decisions when problems or solutions are not well-defined (ambiguity). AI Automation System Development: Design, build, and deploy the core AI-enabled software development automation tools and services (e.g., custom agents, GenAI integrations) with a keen focus on legacy software analysis, requirement extraction, and architectural discovery leveraging multi-modal GenAI capabilities.
NewSr. Principal Network Engineer Clarity InnovationsSr. Principal Network EngineerWashingtonClarity 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. Hands-on experience with cloud networking in AWS, Azure, or private cloud environments, with strong knowledge of VPCs, security groups, and hybrid cloud networking (Direct Connect, ExpressRoute).
Senior Software Development Engineer III Advanced Resource Technologies IncSenior Software Development Engineer IIIWashington, DCThe Senior Software Development Engineer III will support the GRACE Development Team by designing, building, and maintaining the cloud infrastructure and backend platforms that power ARPA-H's production AI assistant. Design, develop, and maintain the cloud infrastructure supporting GRACE using Microsoft Azure services including Azure Functions, Azure API Management, Azure Container Apps, and Azure OpenAI Service.
NewPrincipal 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 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 (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 Desktop Engineer T. Rowe Price Group IncPrincipal Desktop EngineerWashington DC$159,000–$272,000 / yearBlending hands-on technical depth with execution-focused leadership, the Principal serves as both a strategic partner to Workplace Experience Technology leadership and the highest technical escalation point for complex endpoint challenges - ensuring that strategy is realized through rigorous engineering, operational excellence, and measurable platform performance. Deliver Major Programs and Projects: Oversee large‑scale desktop initiatives such as OS migrations, hardware refreshes, enterprise software deployments, and new platform rollouts, coordinating across Security, Networking, Cloud, and Service Desk teams.
Principal AI Engineer, Special Programs Space Exploration Technologies CorpPrincipal AI Engineer, Special ProgramsWashington, DC$220,000–$350,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
NewPrincipal Engineer RefinitivPrincipal EngineerWashington, DCFinally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan. #LI-TH1* **Hybrid Work Model:** We've adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.* **Flexibility & Work-Life Balance:** Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset.
NewPrincipal Engineer: AI, Architecture & Tech Leadership RefinitivPrincipal Engineer: AI, Architecture & Tech LeadershipWashington, DCA global data and analytics company in Washington, DC, is seeking a Principal Engineer to lead technical initiatives and mentor software engineers. This role offers a hybrid work model and competitive benefits, fostering a culture of continuous learning and development.#J-18808-Ljbffr.
Principal Engineer, SCADA Engineering (BESS) Invenergy LLCPrincipal Engineer, SCADA Engineering (BESS)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 - Agentic AI Applications Serko LtdPrincipal Engineer - Agentic AI ApplicationsWashington, DC$168,000–$210,000Engineering for Reliability: Implement robust infrastructure to handle non-deterministic loops, including automated circuit-breakers, latency-aware orchestration (targeting P99 SLAs), and granular token/cost-observability. The Expertise: Deep hands-on experience shipping LLM-powered or agentic systems to production (utilizing frameworks like LangGraph, AutoGen, CrewAI, or custom-built runtimes).
Principal Data Engineer Capital Technology GroupPrincipal Data EngineerWashington, DC$170,000–$240,000 / yearYou'll play a key role in evaluating emerging technologies, mentoring engineering teams, and delivering secure, scalable data solutions that enable informed decision-making across the enterprise. This role is ideal for a senior technical leader with deep expertise in cloud-native data engineering, large-scale data pipelines, and modern analytics platforms.
Principal Engineer High Company LLCPrincipal EngineerDCEngineering leadership and management: Ensure that on projects assigned within the region or national account, technical staff: Adhere to StructureCare quality, schedule, and budget requirements, adjusting as necessary to meet targets. Manage assigned direct and/or indirect report relationships including: Conduct all required performance reviews with regular check-ins, documentation and positive coaching as required to ensure the development of engineers assigned.
NewPrincipal Cribl Engineer Zp Group LlcPrincipal Cribl EngineerWashington, DCZachary Piper Solutions is seeking a cleared Principal Cribl Engineer to support a critical national security mission across multiple customer locations including Joint Base Anacostia-Bolling (JBAB), Washington, DC; College Park, MD; and Reston, VA. This is a senior-level engineering opportunity for a highly experienced technical leader who will serve as the principal authority for observability pipelines built on Cribl Stream and Cribl Edge.
Senior Front End Software Engineer w/React - Seattle, WA AHU TechnologiesSenior Front End Software Engineer w/React - Seattle, WAWashington, District of ColumbiaJS Nice to have • 3+ years experience with Java and Spring Boot • 3+ years experience with PostgresSQL, MongoDB • 3+ years experience with Azure, Kubernetes, Docker • 3+ years experience with automated testing framework: Appium, Selenium, Postman • Experience with CICD and DevOps Desired Skills & Experience - Datadog or New Relic Apigee Compensation: $70.00 - $73.00 per hour . Job Description Our client is seeking a skilled Senior Front End Engineer w/React to design, code, test, debug, document, and implement complex software applications, ensuring high-quality deliverables that meet our business requirements.
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.
Senior Principal Systems Engineer - C3MS (Onsite) RTX CorpSenior Principal Systems Engineer - C3MS (Onsite)DCYou will provide full-spectrum engineering support across secure voice systems, including planning, design, implementation, testing, documentation, and lifecycle management for both circuit switched (TDM) and IPbased platforms. You will work directly with WHCA project managers and technical teams to acquire and deploy new capabilities, evaluate system performance, and support WHCA's transition from legacy infrastructure to advanced secure IP voice solutions.
Principal Applied AI Engineer, Finance Genesys Cloud Services IncPrincipal Applied AI Engineer, FinanceDC$225,200–$396,000 / yearThe ideal candidate is both a strategic technical leader and hands-on builder-capable of architecting complex AI systems with a software engineering mindset, influencing organizational direction, and delivering measurable business impact. Through Genesys Cloud, the AI-powered Experience Orchestration platform, organizations can accelerate growth by delivering empathetic, personalized experiences at scale to drive customer loyalty, workforce engagement, efficiency and operational improvements.
Principal Cyber Systems Engineer Systems Planning and AnalysisPrincipal Cyber Systems EngineerWashington, Washington, DC$115,000–$195,000 / yearFull timeComprising more than 130 personnel, the Integrated Warfare Systems Group (IWSG) delivers expertise across program and project management, acquisition and contracting, systems and digital engineering, software development, test and evaluation, sustainment and life‑cycle management, cybersecurity, international/Foreign Military Sales, strategic communications, and IT services. These capabilities support more than 100 Above Water Sensor, Undersea, and Combat System programs and projects within the Navy’s Portfolio Acquisition Executive for Mission Systems, Maritime and Munitions, as well as clients at Naval Surface Warfare Center, Dahlgren Division, Naval Surface Warfare Center, Crane Division, and the Office of Naval Research.#FC #Dice.
Principal Engineer w/Top Secret Clearance TekSynap CorpPrincipal Engineer w/Top Secret ClearanceDCKnowledge 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.
Principal Cloud Engineer with Database Expertise GD Information TechnologyPrincipal Cloud Engineer with Database ExpertiseWashingtonTo 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. Design, deploy, and administer database solutions across cloud environments such as AWS, Azure, and/or Google Cloud using native cloud database services (RDS, Aurora, Azure SQL, Cloud SQL, etc.).
Senior Software Engineer, Platform HackerOne IncSenior Software Engineer, PlatformDCRemote$182,000–$222,000 / yearThe HackerOne Platform unites agentic AI solutions with the ingenuity of the world's largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems.
Software Development Engineer III Blue OriginSoftware Development Engineer IIIWashingtonand/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.
Software Engineer III Core Platform Blue OriginSoftware Engineer III Core PlatformWashingtonand/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.