Senior Legal Counsel, Government Contracts

Job description

Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Senior Legal Counsel, Government Contracts Castelion is seeking an experienced Senior Legal Counsel, Government Contracts to serve as a critical partner to our engineering, program management, and business development teams. This role will own the full lifecycle of U.S. government contracting matters, enabling the company to move quickly and compliantly as we scale advanced defense programs. Responsibilities: - Lead legal strategy and execution across U.S. government contracts, including DoD programs (FAR/DFARS) - Advise on proposal development, contract negotiation, and program execution - Interpret and apply complex regulatory requirements across contracting, procurement, and compliance - Partner with...