Sierra Jobs

Sierra Space is hiring a Treasury Manager in Louisville, CO to lead cash and liquidity management, banking relationships, and treasury operations to optimize capital structure and risk.

Support Sierra Club Virginia's 2025 electoral and outreach efforts by coordinating volunteer activities, assisting with campaign materials, and helping run phone banks and community engagement.

Sierra Nevada Corporation is hiring Technical Software Engineer Interns for summer 2026 to work on real-world aerospace and defense projects in a mentored, hands-on internship based in Plano, TX.