Senior C++ Software Engineer

Overview

Sci Tec is a dynamic small business, with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and Defense, and we are growing our creative team! We support customers throughout the Department of Defense and U.S. Government in building innovative new tools to deliver unique world-class data exploitation capabilities.

Important Notice: Sci Tec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Applicants that do not meet this requirement will not be considered.

Sci Tec has an immediate opportunity for a talented engineer to support our programs delivering Next-Generation Missile Warning software. This is a unique opportunity to join a small business delivering core capabilities for National defense. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent Infra Red (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.

We are seeking a Senior C++ Software Developer to design, implement, and optimize high-performance software supporting remote sensor data exploitation and analysis. This role focuses on hands-on algorithm development and optimization within a large, production C++ codebase running on Linux systems.

The ideal candidate is a strong individual contributor with deep C++ expertise, solid systems knowledge, and experience working on performance-critical software in a collaborative, Agile environment.

• Design, implement, and maintain C++ software components supporting remote sensor data processing
• Develop and optimize high-throughput algorithms for image analysis, detection, and tracking
• Improve performance, scalability, and reliability of existing software systems
• Apply strong understanding of data structures, algorithms, and performance trade-offs
• Write clean, maintainable, and well-documented C++ code using modern language features
• Participate in code reviews, technical discussions, and design decisions
• Collaborate with algorithm developers, systems engineers, and integration teams
• Work effectively within an Agile software development process
• Support integration, testing, and debugging in Linux environments
• Communicate technical concepts clearly to team members and stakeholders
• Perform other duties as assigned

• Bachelor's degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field (Additional years of relevant experience may substitute for formal education)
• 5+ years of professional experience developing software in C++
• 3+ years of professional experience working in Linux environments
• Strong knowledge of data structures and algorithms
• Demonstrated performance optimization skills for data-intensive or compute-intensive systems
• Experience writing production-quality, maintainable C++ code
• Strong verbal and written communication skills
• Detail-oriented with a focus on correctness and reliability
• Ability to work full-time, in person at the Boulder, CO office
• Ability to obtain and maintain a DoD security clearance

• Experience with modern C++ standards (C++17, C++20, or newer)
• Experience with GPU programming (e.g., CUDA, OpenCL, or similar)
• Strong understanding of object-oriented design principles, including SOLID patterns
• Experience working with remote sensing data (OPIR, EO/IR, SAR, Spectral, RF, or similar)
• Advanced degree in Computer Science, Engineering, Mathematics, or Physical Sciences
• Fluency in one or more additional languages such as Python, Rust, or MATLAB
• Professional experience working in Agile software development environments
• Active DoD Secret security clearance or higher
• Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.

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Sci Tec offers a highly competitive salary and benefits package,…