Job Description
Overview
We are seeking a highly experienced Sr. Principal C/.NET Engineer to support the development and modernization of the Crossfire security integration platform. This is a senior technical role focused on hands-on engineering, architectural refinement, deep debugging, and accelerating delivery of high priority features.
The ideal candidate is a seasoned engineer who thrives in complex systems, understands secure real time communication patterns, and can quickly become productive in a large-scale, mission-critical codebase.
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Key Responsibilities
• Serve as a principal-level contributor on the Crossfire engineering team, supporting core platform enhancements and maintenance.
• Design, implement, and optimize high performance C/.NET services, frameworks, and integration components.
• Work on event-driven, multi-threaded, and distributed system patterns within the Crossfire platform.
• Troubleshoot a...
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Submit ApplicationJob Details
- Location Westford, Massachusetts
- Job Type Full-time
- Category Engineers
- Posted Date February 26, 2026
- Application Deadline April 07, 2026