Senior Software System Integrator (Secret Clearance)

CACI International Inc; Maryland; On-site; USD 126,000 - 277,000; Full time

Job summary

The Software System Integrator III at CACI International Inc. leads cross-disciplinary software and hardware integration efforts for mission-critical systems, with a strong emphasis on security, quality, and customer collaboration.

You will design, develop, and integrate software, firmware, and computing solutions across multiple domains, leveraging CI/CD, Kubernetes, and DevSecOps practices. Ideal candidates possess a Master’s in Engineering or Mathematics, 10+ years of experience, and active

Qualifications

• Active Secret security clearance.
• Master's degree in Engineering or Mathematics.
• Strong understanding of software design concepts, patterns, tools, and integration best practices.
• Demonstrated experience integrating software with hardware, communications, or other specialized engineering domains.
• Experience with distributed and asynchronous programming models.
• Experience designing and documenting hardware/software interfaces between complex system components.
• Strong understanding of system security and information assurance processes for government compliance.
• Proven track record of providing technical leadership in architecture, engineering, and integration services.
• Excellent problem-solving skills with ability to resolve complex, multi-layer technical issues.
• Strong communication skills with ability to interface effectively with customers, suppliers, and technical teams.

Responsibilities

• Design, develop, and support software and firmware components integrated with non-IT engineering systems including hardware, communications, cyber, electrical, or other specialized engineering domains.
• Design and document hardware/software interfaces between system components to ensure seamless integration.
• Develop and integrate solutions requiring aerospace, communications, cyber, electrical, mechanical, or other specialized engineering domain knowledge.
• Implement distributed and asynchronous programming models to support complex, multi-disciplinary system integration.
• Support integration and test events including development, operational, and acceptance testing.
• Apply CI/CD pipelines, container orchestration, and automated deployment practices to streamline software integration.
• Develop and maintain technical documentation including system integration plans, interface control documents, and integration test procedures.
• Apply system security and information assurance processes to ensure compliance with government requirements.
• Troubleshoot and resolve complex, multi-layer integration issues across software, hardware, and network components.
• Support the integration of simulations, tactical displays, sensors, and electro-mechanical systems into unified operational capabilities.
• Interface with customers, suppliers, application users, and other technical and support personnel throughout the integration lifecycle.
• Coach and mentor junior engineers on integration best practices and troubleshooting techniques.

Skills

Software design concepts

System integration

Distributed programming

Asynchronous programming

Hardware/software interfaces

Technical leadership

Communication skills

Problem-solving

Education

Master's degree in Engineering or Mathematics

Tools

Kubernetes

GitLab

Jenkins

Nexus

Ansible

Foreman

Angular

JavaScript/React

HTML5/CSS

Database programming

Job description

The Software System Integrator III at CACI International Inc. leads cross-disciplinary software and hardware integration efforts for mission-critical systems, with a strong emphasis on security, quality, and customer collaboration.

You will design, develop, and integrate software, firmware, and computing solutions across multiple domains, leveraging CI/CD, Kubernetes, and DevSecOps practices. Ideal candidates possess a Master’s in Engineering or Mathematics, 10+ years of experience, and active