Software Engineer with Security Clearance

About the Role

Integration Innovation, Inc. (i3) is seeking Software Engineers to join its team in Huntsville, Alabama. You will design, develop, integrate, test, and sustain mission-critical command and control (C2) software for global warfighters and customers. This role involves supporting Agile Software Teams, collaborating with systems and test engineers to build robust, secure, and scalable software solutions for Global C2 missions. It is ideal for engineers who enjoy hands-on development, complex problem-solving, and collaboration in a highly integrated, Agile environment.

Key Responsibilities

• Design, develop, document, test, and debug applications and software systems that implement logical and mathematical solutions aligned with program objectives.
• Participate in Scaled Agile Framework (SAFe) Scrum teams to develop and maintain software products across multiple baselines for the IBCS program.
• Work in a fast-paced, collaborative environment with diverse assignments and expectations across all organizational levels.
• Perform software development and upgrades in multiple programming languages/versions, minimizing changes to the operational behavior of tactical software.
• Support documentation creation and updates using Markdown and other collaboration tools.
• Support testing activities including unit and functional testing, code coverage analysis, and static code analysis.
• Contribute to the continuous improvement of test effectiveness and automation.
• Other duties as assigned.

Requirements & Tech Stack

• Java
• C++
• Linux-based development and runtime environments
• Scripting languages and tools: Bash, Python
• Configuration management and source control tools: Git / GitLab
• Agile SAFe and Atlassian Agile tools: Jira, Confluence
• Active Secret Clearance and the ability to maintain a clearance.
• Must be a U.S. Citizen.

Qualifications

This role can be filled at multiple levels:

• Associate Software Engineer: Bachelor's degree in a STEM field and at least 1 year of relevant experience.
• Software Engineer: Bachelor's degree in a STEM field and at least 2 years of relevant experience, OR a Master's degree in a STEM field and 0 years of relevant experience.
• Strong object-oriented software development experience with Java and C++.
• Proficiency in Linux-based development and runtime environments.
• Experience with scripting languages and tools including Bash and Python.
• Experience with modern configuration management and source control tools (Git / GitLab).
• Experience with Agile SAFe and Atlassian Agile tools including Jira and Confluence.
• Active Secret Clearance and the ability to maintain a clearance required.
• Must be a U.S. Citizen.

Preferred Qualifications

• Experience with Model‑Based Systems Engineering (MBSE), including Cameo or similar tools.
• Experience with DevSecOps and CI/CD pipelines for software build, integration, testing, and delivery.
• Experience supporting real-time or distributed systems using RTI/DDS publish/subscribe middleware.
• Experience with US Army Systems including PATRIOT, LTAMDS, SENTINEL A3/A4, IFF devices, and M_SHORAD.
• Experience with Engagement Planning and Execution, PAC2/PAC3, and AIM9x, and Indirect Fires.
• Experience with Track Management including sensors, composite track, IFF devices, and Combat Identification.
• CompTIA Security+