Applied AI Scientist (Washington, DC)

Valiant Harbor International is seeking a detail-oriented Applied AI Scientist with deep expertise in artificial intelligence and machine learning to support a program advancing AI diagnostics for rare diseases supporting the Advanced Research Projects Agency for Health (ARPA-H), Proactive Health Office (PHO).

Biotechnology SETA (Arlington, VA)

Valiant Harbor International is seeking a Senior Research Analyst (Biotechnology SETA) to provide technical, analytical, programmatic, and administrative support in the execution of basic, applied and advanced technology development science and technology (S&T) programs.

Cost Analyst (Ft. Belvoir, VA)

Valiant Harbor International (VHI) is seeking a motivated Cost Analyst to support dynamic U.S. Army acquisition efforts in a fast-paced product office environment in Fort Belvoir, Virginia. As a Cost Analyst, you will provide critical cost analysis and budget execution support to Army acquisition programs and integrated government teams, working across a variety of programs and task areas where your contributions truly matter.

Full Stack Software Engineer (Hanscom AFB)

Valiant Harbor International is seeking an experienced Full-Stack Software Engineer to join a small, highly technical team supporting advanced U.S. Air Force programs. In this role, you'll design, develop, and deliver secure, scalable software solutions while working directly with government stakeholders to solve complex technical challenges in a mission-critical environment.

Health Data Scientist (Washington, DC)

Valiant Harbor International is seeking a detail-oriented Health Data Scientist to provide technical leadership in data design, evaluation strategy, and clinical realism for a multi-stakeholder program advancing AI diagnostics for rare diseases supporting the Advanced Research Projects Agency for Health (ARPA-H), Proactive Health Office (PHO).

Human Research Protection (HRPP) Compliance Specialist (Arlington, VA)

Valiant Harbor International is seeking a Human Research Protection (HRPP) Compliance Specialist to provide expertise in human research protection supporting the Warfighter Performance Department (Code 34) at the Office of Naval Research (ONR). ONR provides support and expertise to the Navy Surgeon General (SG) for human research protections in the Systems and Training Commands, operational forces, and Department of the Navy (DoN) supported research involving human subjects performed by non-DoD institutions.

Junior Program & Technical Management Professional (Arlington, VA)

Valiant Harbor International is seeking a motivated Junior Program and Technical Management Professional to support the Office of Naval Research (ONR). The successful candidate will provide technical and programmatic support in managing research initiatives, assisting in federal acquisition and budgeting processes, and executing technical analyses. This role requires a strong foundation in science and technology (S&T) program management and the ability to conduct research evaluations in support of the Department of Defense (DoD) framework.

Program Analyst (Navy ERP) (Arlington, VA)

Valiant Harbor International is seeking a Mid-Level Program Analyst to support the Office of Naval Research (ONR). This position involves providing business and financial support for the Sea Warfare and Weapons Department. The Program Analyst will perform a variety of financial, administrative, and programmatic duties, ensuring the successful execution of ONR-sponsored projects and compliance with government policies.

Senior Technical Strategist (Washington, DC)

Valiant Harbor International is seeking a Senior Technical Strategist who combines strong technical expertise with strategic thinking, stakeholder engagement skills, and the ability to translate complex scientific and engineering concepts into actionable recommendations for senior leadership.

Software Engineer - Military Systems (Hanscom AFB)

Valiant Harbor International is seeking an experienced Software Engineer to join a small, highly technical team supporting advanced U.S. Air Force programs. In this role, you'll design, develop, and deliver secure, scalable software solutions while working directly with government stakeholders to solve complex technical challenges in a mission-critical environment.

Technical Director (Washington, DC)

Valiant Harbor International is seeking a Technical Director for a full-time, hybrid worksite opportunity supporting the United States Air Force operating at the intersection of software development, data analytics, and project execution. Blending traditional coding practices with analytical techniques to drive project insight, automate workflows, and manage data infrastructure to merge software development with data interpretation., this position will require someone with an understanding of operational needs and Security Classification Guides (SCGs).

Technology Transition Manager (Sr. Research Analyst) (Arlington, VA)

Valiant Harbor International is seeking a Technology Transition Manager (Sr. Research Analyst) to support the Office of Naval Research (ONR) Warfighter Performance Department (Code 34), aligning technology development with capability needs to bridge the gap between scientific research and operational deployment.