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Shield AIShield AIWashington, DC

Senior Staff Software Engineer, C++ Software Integration (R4018)

Leads architecture, implementation, and integration of high-performance C++ and Python systems in distributed, real-time simulation environments. Requires 10+ years experience, advanced C++ expertise, Linux proficiency, and active SECRET clearance.

181k – 271k/yr
On-site10+ YOEBackend Engineering

About the role

What You'll Do

  • Architect and implement high-performance C++ and Python systems across cross-platform environments.
  • Lead the design and integration of distributed systems, simulation tools, and third-party hardware/software.
  • Define and enforce technical direction, design patterns, and integration practices across projects.
  • Guide teams in building robust messaging and API layers (e.g., gRPC, REST, ZeroMQ) that bridge critical system components.
  • Own the evolution and support of CI/CD pipelines using GitLab CI, Docker, Conan, and CMake.
  • Lead debugging and optimization of real-time and multi-threaded systems across a range of domains.
  • Drive end-to-end integration efforts, including planning, implementation, and verification across simulation and operational systems.
  • Serve as a force multiplier by mentoring other engineers and contributing to shared tooling and process improvements.
  • Evaluate and incorporate new technologies that improve system performance, stability, and developer efficiency.

Required Qualifications

  • Typically requires a minimum of 10 years of related experience with a Bachelor’s degree; or 9 years and a Master’s degree; or 7 years with a PhD; or equivalent work experience.
  • Advanced experience designing and maintaining large C++ systems, with fluency in C++14/17/20 and comfort navigating legacy C++98/03 codebases.
  • Proficiency in Linux/Unix environments, including system-level development and debugging tools.
  • Strong systems integration background with practical experience in distributed systems, real-time processing, and hardware/software interfaces.
  • Significant experience with CI/CD systems, containerization (e.g., Docker), and build tooling (e.g., CMake, Conan).
  • Proficiency in Python and familiarity with other scripting and automation tools.
  • Deep knowledge of Linux environments (Windows experience is a bonus).
  • Demonstrated success leading efforts involving 10+ contributors, including technical planning and mentorship.
  • Strong understanding of networking concepts and communication protocols.
  • Active SECRET clearance.

Preferred Qualifications

  • Real-time or distributed simulation experience (e.g., AFSIM, NGTS, or similar).
  • Familiarity with message-passing infrastructure and web-service technologies like gRPC, REST APIs, and message queues.
  • Familiarity with open standards like UCI and OMS, and an understanding of data buses and interface protocols common in avionics and aircraft systems.
  • Experience integrating simulation with autonomy frameworks or real-time operators.
  • Experience developing and integrating with modeling or analysis pipelines.
  • Ability to obtain a TS/SCI clearance.

Skills

C++PythonLinuxDockerCmakeConangRPCRestZeromqGitlab CiDistributed SystemsCI/CDMulti-Threaded Systems
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