Space Software Integration & Test Engineer

CACI International Inc; King of Prussia (PA); On-site; USD 69,000 - 142,000; Full time

Job summary

CACI International Inc. is hiring a Software Integration and Test (SWIT) Engineer to design, develop, and implement test plans for software verification and validation in the space domain. You will write test scripts, conduct test walk-throughs, and coordinate with IPT leads and customers.

The role emphasizes delivering features end-to-end, working with Java, Python, and modern frameworks, and deploying in cloud environments. Office-based with travel up to 10% and TS/SCI clearance potential.

Qualifications

• Bachelor's degree in computer science or related field plus 3 years of professional software experience.
• 3+ years developing, integrating, testing, and deploying software in professional setting.
• Proficiency in at least one modern language (Java, Python, JavaScript/TypeScript, or C#).
• Experience with test automation scripting and frameworks (Python, Bash, Perl; PyTest, JUnit, Selenium, Postman/Newman, Cucumber).
• Familiarity with Git, Agile/Scrum development, RESTful APIs, and web applications.
• Ability to work in our office at least 3 days per week and willingness to obtain TS/SCI clearance.

Responsibilities

• Deliver Features with Increasing Independence
• Implement full-stack features with clear requirements, breaking work into steps and identifying integration points.
• Drive features through review, testing, and deployment while raising integration issues and edge cases early.
• Write Quality, Production-Ready Code
• Develop clean, maintainable, testable code aligned with team standards.
• Create thorough unit and integration tests, debug issues, and contribute meaningfully in code reviews.
• Support Junior Team Members
• Assist junior engineers through questions, pairing, and sharing best practices for troubleshooting and integration.
• Provide constructive code reviews and help onboard new team members with guidance on workflows and tools.
• Contribute to Modern Development Practices
• Work with REST APIs, microservices, and cloud deployments while applying integration principles.
• Use CI/CD pipelines and automated test frameworks, helping troubleshoot deployment and integration issues.
• Collaborate Across the Team
• Clarify requirements with product/design partners and ensure they are testable.
• Communicate progress and challenges, contribute to technical discussions, and document work for team clarity.
• Continue Growing Your Skills
• Learn new technologies relevant to automation, integration, and system reliability.
• Identify opportunities to improve code quality and propose enhancements to processes or tooling.

Skills

Java

Python

JavaScript/TypeScript

C#

Git

Agile/Scrum

REST APIs

CI/CD

Education

Bachelor's degree in Computer Science or related field

Tools

PyTest

JUnit

Selenium

Postman/Newman

Cucumber

Spring Boot

React

Docker

Kubernetes

AWS

Azure

GCP

Job description

CACI International Inc. is hiring a Software Integration and Test (SWIT) Engineer to design, develop, and implement test plans for software verification and validation in the space domain. You will write test scripts, conduct test walk-throughs, and coordinate with IPT leads and customers.

The role emphasizes delivering features end-to-end, working with Java, Python, and modern frameworks, and deploying in cloud environments. Office-based with travel up to 10% and TS/SCI clearance potential.