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Develop and execute software integration and test plans for space mission systems. Responsibilities include requirements verification, automated test scripting, software integration, defect troubleshooting, performance analysis, test execution, and technical communication. The role also involves building full-stack features, writing unit and integration tests, supporting CI/CD and cloud deployments, reviewing code, and mentoring junior engineers. The summary above was generated by

AI Job Title:

Software Integration & Test Engineer Job Category:

Engineering Time Type:

Full time Minimum Clearance Required to

Start:

None Employee Type:

Regular Percentage of Travel Required:

Up to 10%

Type of Travel:

Continental US Anticipated Posting End:

11/27/2026

The Opportunity:

Grow your software engineering career with meaningful impact as a Software Integration and Test engineer working in the space domain! We are seeking a Software Integration and Test (SWIT) Engineer who wants to solve interesting, complex problems to protect our nation. As a SWIT engineer on this team, you will work in a team environment to design, develop, and implement test plans and procedures for software (SW) requirement verification & validation. You will be responsible for SW integration, requirement analysis, test planning and execution, performance analysis, troubleshooting and coordination for remediating software defects In this role you will write test procedure scripts in Perl, Python, Linux, and with automated software test tools. In support of the test execution leads, you will conduct test walk throughs, and communicate plans, status and out-briefs with the IPT leads, team members, and the customer. If you're passionate about technology, ready to grow beyond junior-level work, and excited to make an impact on space mission systems, we would love to hear from you!

What makes this role exciting:

Deliver features independently

• take ownership of well-scoped features from implementation through deployment Expand your expertise
• work with modern technologies (Python, Java, Spring Boot, React, AWS/Azure, Kubernetes) with increasing complexity Collaborate and learn
• work alongside senior and staff engineers who will help you level up your skills Space domain impact
• build software that directly supports critical space missions If you're ready to take the next step in your career, build increasingly complex software, and contribute to systems that matter, let's talk!

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.

Qualifications:

Required:

Education:

Bachelor's degree in computer science or related field + 3 years of professional software development experience (or equivalent combination of education and experience)

Professional Development Experience :

3+ years developing, integrating, testing, and deploying software in a professional environment

Programming Proficiency :

Solid skills in at least one modern language (Java, Python, JavaScript/TypeScript, C#), including the ability to write clean, testable, and automatable code

Software Testing :

Experience in Test Automation scripting and languages (Python, Bash, Perl) and exposure to automated testing frameworks and tools (e.g., PyTest, JUnit, Selenium, Postman/Newman, Cucumber)

Modern Development Practices :

Experience with version control (Git), code reviews, and working in Agile/Scrum teams

API & Web Development :

Experience building or working with RESTful APIs and web applications, with an understanding of integration and end-to-end testing

Collaboration & Communication :

Ability to work effectively on a team, communicate technical concepts clearly, and collaborate with cross-functional partners including integration and test leads

Location :

Ability to work in our office at least 3 days per week (up to 5 days a week once you obtain a security clearance)

Security Clearance :

Willing to be submitted for and able to obtain a

TS/SCI U.S.

Government Security Clearance Desired:

Experience with Spring Boot, React, or similar modern frameworks in production Hands-on experience deploying applications to AWS, Azure, or GCP, including validating deployments and automated environment testing Familiarity with containerization technologies (Docker, Kubernetes) and associated integration workflows Experience with relational (PostgreSQL, MySQL) and NoSQL databases, including data validation and integration testing Understanding of CI/CD concepts and tools (Jenkins, GitLab CI, GitHub Actions), with exposure to automated test pipelines Experience working with microservices architectures and verifying interactions through automated integration tests Previous experience in aerospace, defense, or other regulated industries involving formal verification and validation Active U.S. Government Security Clearance (TS/SCI preferred)

• What You Can Expect:

  A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose
• to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers
• every day.

You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range :

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $69,100

• 141,500 CACI is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic. Read Full Description Similar Jobs Sierra Space Integration Engineer 53 Minutes Ago In-Office 2 Locations 144K-198K Annually Senior level 144K-198K Annually Senior level Aerospace

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Key Facts About Colorado Tech Number of Tech Workers:

260,000; 8.5% of overall workforce (2024 CompTIA survey)

Major Tech Employers:

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Key Industries:

Software , artificial intelligence , aerospace , e-commerce , fintech , healthtech

Funding Landscape:

$4.9 billion in VC funding in 2024 (Pitchbook)

Notable Investors:

Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures Research Centers and Universities:

Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute