Senior Systems Engineer - Verification & Security Remote

OB Collective is seeking a Senior Systems Software Engineer – Verification & Security to join a UK-based, mostly remote team. You will develop verification mechanisms behind a government-facing R&D programme, ensuring correctness, evidence integrity and deterministic behavior across challenging edge cases.

The role emphasizes strong Rust experience or equivalent security-focused systems background, with a preference for backend engineering in Go, C++, or Java.