On Site - St. Louis MO - Senior Software Engineer

Oci; St. Louis (MO); On-site; USD 120,000 - 160,000; Full time

Job summary

Oci in St. Louis, MO, seeks an embedded software engineer to design, develop, and maintain real‑time systems for defense applications using modern C++ and embedded Linux.

You will work on-site 4 days a week, collaborate across teams, contribute to testing, documentation, and integration with suppliers and DoD partners.

Qualifications

• Extensive experience in modern C++ and embedded Linux (PetaLinux).
• Proficiency in scripting languages like PowerShell and Bash.
• Experience with containerization technologies like Docker.
• Familiarity with CI/CD pipelines.
• Strong understanding of software systems complexities and “black boxes.”
• Proficiency in creating and consuming technical documentation.
• Familiarity with UML diagrams and tools like Confluence, Visio, and Doxygen.
• Experience with simulators for software testing.
• Knowledge of various testing methodologies.
• Strong debugging skills for software and hardware communication problems.
• Experience with or understanding of codebase migration.
• Ability to describe technical projects in detail and discuss technical aspects succinctly and with depth.
• Ability to identify and solve complex technical problems.
• Strong communication skills to explain technical concepts and processes.
• Ability to work on-site 4 days a week in St. Louis, Missouri.
• Experience with Linux or VxWorks, kernel development, or distributed computing.
• Proficiency in Python and Java.
• Experience in the aerospace, government, or defense sectors.

Responsibilities

• Design, develop, and maintain robust and efficient embedded software systems using modern C++ and embedded Linux (PetaLinux) for critical defense applications.
• Provide detailed technical explanations of projects, including problems and solutions implemented.
• Understand and work with complex software systems, including SDKs, third-party APIs, testing tools, and bench systems.
• Understand and use simulators for software testing, including creating or improving simulators.
• Apply various testing methodologies, especially for testing inputs/outputs of “black boxes.”
• Debug communication problems between software and hardware devices.
• Understand and perform codebase migration to new environments or operating systems.
• Connect prior work and technical examples to the specific needs and challenges of our company, particularly in the aerospace, government, or defense sectors.

Skills

Modern C++

Embedded Linux

PowerShell

Bash

Python

Java

CI/CD

Debugging

Technical Documentation

Linux kernel

Distributed computing

Tools

Docker

Confluence

Visio

Doxygen

Job description

Job Summary

On Site Required - In St. Louis MO

US Citizenship Required

Ready to contribute to cutting‑edge defense technology and shape the future of battlefield superiority? Join our dynamic team working on a pivotal initiative focused on delivering advanced technological solutions to the U.S. Department of Defense and its allies. As a key member of our team, you’ll be immersed in a challenging and rewarding environment where innovation thrives. We’re collaborating with a leading mid‑tier defense technology company specializing in areas like Advanced Sensing, Network Computing, and Force Protection, to develop and integrate state‑of‑the‑art systems. If you’re passionate about technology, thrive in a fast‑paced setting, and want to make a tangible impact on national security, this project is for you. Be part of a team where your contributions are valued and your growth is encouraged, working alongside talented professionals dedicated to excellence and integrity.

Responsibilities

• Design, develop, and maintain robust and efficient embedded software systems using modern C++ and embedded Linux (PetaLinux) for critical defense applications.
• Provide detailed technical explanations of projects, including problems and solutions implemented.
• Understand and work with complex software systems, including SDKs, third‑party APIs, testing tools, and bench systems.
• Understand and use simulators for software testing, including creating or improving simulators.
• Apply various testing methodologies, especially for testing inputs/outputs of “black boxes.”
• Debug communication problems between software and hardware devices.
• Understand and perform codebase migration to new environments or operating systems.
• Connect prior work and technical examples to the specific needs and challenges of our company, particularly in the aerospace, government, or defense sectors.

Qualifications

• Extensive experience in modern C++ and embedded Linux (PetaLinux).
• Proficiency in scripting languages like PowerShell and Bash.
• Experience with containerization technologies like Docker.
• Familiarity with CI/CD pipelines.
• Strong understanding of software systems complexities and “black boxes.”
• Proficiency in creating and consuming technical documentation.
• Familiarity with UML diagrams and tools like Confluence, Visio, and Doxygen.
• Experience with simulators for software testing.
• Knowledge of various testing methodologies.
• Strong debugging skills for software and hardware communication problems.
• Experience with or understanding of codebase migration.
• Ability to describe technical projects in detail and discuss technical aspects succinctly and with depth.
• Ability to identify and solve complex technical problems.
• Strong communication skills to explain technical concepts and processes.
• Ability to work on‑site 4 days a week in St. Louis, Missouri.
• Experience with Linux or VxWorks, kernel development, or distributed computing.
• Proficiency in Python and Java.
• Experience in the aerospace, government, or defense sectors.