Lead Full-Stack Product Engineer IV

We are seeking a talented Lead Full-Stack Product Engineer to help design and build the human-facing layer for next-generation AI systems at PNNL. You will develop intuitive, trustworthy, and effective interfaces that help people work with complex data, dynamic content, and user-facing AI agents.

This is a hands-on technical leadership role with substantial independence in ambiguous, high-impact areas. You will help set product direction, translate open mission needs into executable plans, establish reusable UI and platform foundations, and partner with researchers, engineers, designers, mission experts, sponsors, and end users to turn emerging ideas into products that are technically sound and genuinely valuable., * Lead the design and development of production web applications and reusable interface architectures using React, TypeScript and/or JavaScript, HTML, and CSS.

• Define product direction and technical approaches for adaptive, data-intensive experiences that support collaboration between people and AI agents.
• Translate ambiguous mission needs, competing priorities, and unclear constraints into credible technical plans, including an MVP, sequencing, dependencies, risks, and explicit tradeoffs.
• Work across the stack to ensure interfaces are supported by reliable APIs, data services, authentication, observability, deployment practices, and maintainable technical foundations.
• Design AI-assisted and human-in-the-loop workflows with appropriate transparency, user control, feedback, approval, and recovery when an AI agent is uncertain or wrong.
• Contribute production-quality code while setting a high bar for usability, accessibility, performance, security, observability, maintainability, and visual craft.
• Lead and mentor engineers across experience levels through code and design review, pairing, technical direction, and career guidance; raise engineering standards across the team.
• Lead technical content for proposals, scope and shape new efforts, identify sponsor opportunities, and represent the group’s capabilities to sponsors, collaborators, and the broader community.
• Guide products from early concept through operational use and continuously improve how the team discovers, designs, builds, evaluates, and learns from what it delivers.

• PhD and 3 years of Software Engineering experience -OR-
• MS/MA and 5 years of Software Engineering experience -OR-
• BS/BA and 7 years of Software Engineering experience -OR-
• AA and 16 years of Software Engineering experience in designing, architecting, programming, deploying, and automating software solutions in support of scientific research or consumer digital product development -OR-
• HS/GED and 18 years of Software Engineering experience in designing, architecting, programming, deploying, and automating software solutions in support of scientific research or consumer digital product development, * Demonstrated technical influence or thought leadership through open-source maintainership, technical publications or talks, recognized domain expertise, community building, or initiatives that elevate others in the technical community.
• Experience translating ambiguous mission needs into actionable roadmaps, guiding teams through MVP scoping, dependency sequencing, and evolving requirements while managing risks.
• Experience mentoring engineers at various levels through code and design reviews, pairing, career guidance, and preparing them for larger technical scopes.
• Experience building production web applications, reusable component libraries, and complex, data-rich, responsive user interfaces using React, TypeScript, JavaScript, HTML, and CSS.
• Experience applying user-centered product development practices such as interaction design, information architecture, usability testing, prototyping, and requirements gathering with modern frontend and backend technologies.
• Experience designing and developing interfaces and backend services for AI-assisted workflows, including user controls, feedback mechanisms, and oversight to improve trust, transparency, and explainability.
• Experience leading technical direction, establishing engineering best practices, securing funding, and demonstrating technical influence through open-source, publications, talks, or community initiatives.

Hazardous Working Conditions/Environment

Not applicable.

Additional Information

This position requires the ability to obtain and maintain a federal security clearance.

A security clearance background investigation includes review of your employment, education, financial, and criminal history, as well as interviews with you and your personal references, neighbors, and co-workers to determine trustworthiness, reliability, and loyalty to the United States. The investigation also examines your foreign connections, drug and alcohol use, foreign influence, and overall conduct., * U.S. Citizenship

• Background Investigation: Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter in accordance with 10 CFR 710, Appendix B.
• Drug Testing: All Security Clearance positions are Testing Designated Positions, which means that the applicant selected for hire is subject to pre-employment drug testing, and post-employment random drug testing. In addition, applicants must be able to demonstrate non-use of illegal drugs, including marijuana, for the 12 consecutive months preceding completion of the requisite Questionnaire for National Security Positions (QNSP).

Note: Applicants will be considered ineligible for security clearance processing by the U.S. Department of Energy if non-use of illegal drugs, including marijuana, for 12 months cannot be demonstrated.

PNNL lists the full pay range for the position in the job posting. Starting pay is calculated from the minimum of the pay range and actual placement in the range is determined based on an individual’s relevant job-related skills, qualifications, and experience. This approach is applicable to all positions, with the exception of positions governed by collective bargaining agreements and certain limited-term positions which have specific pay rules.

As part of our commitment to fair compensation practices, we do not ask for or consider current or past salaries in making compensation offers at hire. Instead, our compensation offers are determined by the specific requirements of the position, prevailing market trends, applicable collective bargaining agreements, pay equity for the position type, and individual qualifications and skills relevant to the performance of the position.

Minimum Salary

USD $161,300.00/Yr.

Maximum Salary

USD $255,000.00/Yr.

At PNNL, our core capabilities are divided among major departments that we refer to as Directorates within the Lab, focused on a specific area of scientific research or other function, with its own leadership team and dedicated budget.

Our Science & Technology directorates include National Security, Integrated Discovery Sciences, and Energy and Environment. In addition, we have an Environmental Molecular Sciences Laboratory, a Department of Energy, Office of Science user facility housed on the PNNL campus.

The National Security Directorate (NSD) drives science-based, mission-focused solutions to take on complex, real-world threats to our nation and the world.

The AI and Data Analytics Division, part of NSD, combines profound domain expertise and creative integration of advanced hardware and software to deliver computational solutions that address complex data and analytic challenges. Working in multidisciplinary teams, we connect foundational research to engineering to operations, providing the tools to innovate quickly and field results faster. Our strengths are integrated across the data analytics lifecycle, from data acquisition and management to analysis and decision support., Pacific Northwest National Laboratory (PNNL), is a world-class research institution powered by a highly educated, diverse workforce committed to the values of Integrity, Creativity, Collaboration, Impact, and Courage. Every year, scores of dynamic, driven people come to PNNL to work with renowned researchers on meaningful science, innovations and outcomes for the U.S. Department of Energy and other sponsors; here is your chance to be one of them!

At PNNL, you will find an exciting research environment and excellent benefits including health insurance, and flexible work schedules. PNNL is located in eastern Washington State-the dry side of Washington known for its stellar outdoor recreation and affordable cost of living. The Lab’s campus is only a 45-minute flight (or ~3 hour drive) from Seattle or Portland, and is serviced by the convenient PSC airport, connected to 8 major hubs., Please be aware that the Department of Energy (DOE) prohibits DOE employees and contractors from having any affiliation with the foreign government of a country DOE has identified as a “country of risk” without explicit approval by DOE and Battelle. If you are offered a position at PNNL and currently have any affiliation with the government of one of these countries, you will be required to disclose this information and recuse yourself of that affiliation or receive approval from DOE and Battelle prior to your first day of employment.