Aerospace Software Integration Engineer — HIL & Avionics

LinuxCareers; Boston (MA); On-site; USD 110,000 - 165,000; Full time

Job summary

Merlin, an aerospace and defense company, is hiring a Software Integration Engineer to build and maintain hardware‑in‑the‑loop test environments and software that interfaces aircraft avionics, simulation models, and test hardware with engineering tools.

You will develop and connect C++ and Python software, integrate UEI PowerDNA equipment, and validate interfaces like ARINC 429 and CAN. The role requires on‑site work in the Boston lab and collaboration with avionics and lab engineers.

Qualifications

• Proficient in developing and debugging modern C++ and Python software.
• Strong familiarity with Linux host systems, including builds, services, networking, and diagnostics.
• Experience integrating software with physical hardware, external systems, or vendor libraries/APIs.
• Understanding of multithreading, resource management, and error handling in C++.

Responsibilities

• Develop and maintain C++ and Python software connecting aircraft avionics, simulation models, test hardware, and engineering tools.
• Integrate UEI PowerDNA equipment via vendor SDKs, low-level I/O APIs, and hardware abstraction layers.
• Configure and validate ARINC 429, CAN, serial, analog, and discrete interfaces using aircraft interface control documents.
• Build operator displays and diagnostic tools using GL Studio, React, HTML5, SQL, and web APIs.
• Build, deploy, and troubleshoot software on Linux hosts and embedded targets using cross-compilation, packaging, systemd, and Docker workflows.
• Collaborate with avionics, aircraft software, flight dynamics, and lab engineers to diagnose integration issues.

Skills

C++ development

Python development

Linux familiarity

Hardware integration

Tools

Git

Jira

Docker

CMake

Job description

Merlin, an aerospace and defense company, is hiring a Software Integration Engineer to build and maintain hardware‑in‑the‑loop test environments and software that interfaces aircraft avionics, simulation models, and test hardware with engineering tools.

You will develop and connect C++ and Python software, integrate UEI PowerDNA equipment, and validate interfaces like ARINC 429 and CAN. The role requires on‑site work in the Boston lab and collaboration with avionics and lab engineers.