A leading defense and technology company in Blackwood seeks a Principal Software Engineer to lead R&D projects in tactical communications. The ideal candidate must excel in Microsoft technologies, particularly C#, and have full lifecycle development experience. This position offers hybrid working, competitive salary of £59,200 to £75,000, plus a range of flexible benefits aimed at career progression and work-life balance. Candidates should be comfortable with security clearance requirements. #J-18808-Ljbffr