Software Engineer Senior (Security Clearance Needed) Job Category: Software Engineering Requisition Number: SOFTW Posted: July 6, 2026 | Full‑Time | On‑site | Salary Range: $107,744 USD to $179,940.80 USD The Software Engineer will design and develop complex software systems and
GCI is looking for a Software Developer Principal to lead the design and development of complex software systems and scalable platforms. You will be hands-on, guiding junior engineers, and coordinating development across Linux, C/C++, Python, and related tools. Strong
Software Developer Principal (Security Clearance Needed) Job Category : Software Engineering Requisition Number : SOFTW Posted: July 6, 2026 Full-Time On-site Salary Range: $124,092.80 USD to $207,251.20 USD Locations Chantilly Chantilly, VA, USA Description At GCI, we solve
GCI, a U.S. defense contractor, seeks a Senior Software Engineer with security clearance to design and develop complex software systems. You will lead development efforts, drive scalable platforms, APIs, and data processing while mentoring junior engineers. The role is
RF Payload Engineer with Mission Analysis Expertise As the operator of a federally funded research and development center, we deliver innovative space solutions that serve defense, civil, and commercial customers. Within the Mission Payloads Division (MPD),