Cleared Software Engineer Intern - Summer 2027

CACI International Inc; Denver (CO); On-site; USD 40,000 - 80,000; Part time

Job summary

CACI International Inc. is seeking Cleared Software Engineer Interns for Summer 2027 in a startup-like, agile environment. The role requires full-time on-site presence at Denver, CO, and Sterling, VA locations, with a TS/SCI with Poly clearance capability.

The Makalu internship focuses on developing modern software and UI components using current technologies, requiring collaboration within an agile team and a strong emphasis on mission-focused outcomes.

Qualifications

• Currently pursuing an undergraduate or graduate degree in Computer Science or a related field.
• Must be able to obtain and maintain a TS/SCI with Poly.
• Entry-level coding experience.
• Experience using REST-based web services.
• Familiarity with Agile software development methodologies.
• Familiarity with modern web technologies such as HTML5, CSS, CSS preprocessors (SASS, Less, Stylus), or JavaScript build tools (Browserify, WebPack, Closure).
• Familiarity with Java Spring Boot.
• Strong organizational skills and attention to detail.
• Strong verbal and written communication skills.
• Experience with Linux environment and Linux shell scripting.

Responsibilities

• Solve challenging technical problems within the agile development cycle.
• Be part of an agile team where clear communication is essential to success.
• Work on new technologies and build UI applications.
• Utilize industry standard design patterns and open-source tools.
• Contribute to a positive and upbeat team atmosphere.

Skills

REST-based web services

Agile methodologies

Linux shell scripting

Web technologies

Education

Computer Science degree

Tools

Java Spring Boot

JS build tools

Job description

Job Title: Cleared Software Engineer Intern - Summer 2027

Job Category: Intern/Co-op

Time Type: Part time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Part-Time On-Call

Percentage of Travel Required: None

Type of Travel: None

Anticipated Posting End: 11/2/2026

The Opportunity

CACI is seeking skilled Software Development Interns for our Summer 2027 Makalu internship program. If you are enthusiastic about creating innovative products and components utilizing modern technologies, this opportunity may be a perfect fit for you. You will be engaging in a dynamic, start-up-like environment focused on new development within an agile framework. This role requires full-time, on-site presence at our locations in Denver, CO, and Sterling, VA.

Responsibilities

• Day-to-day expectations include solving challenging, but rewarding technical problems, meeting program objectives within the agile development cycle, suggesting ways to improve UX/UI and the software baseline, and introducing new ways to meet mission needs.
• Be part of an agile team where communication skills and the ability to execute within the established development process are paramount to your and the team's success.
• Work on new technologies, striving to stay customer-focused and thriving on challenges to build new UI applications.
• Utilize industry proven design patterns and open-source tools.
• Contribute to a positive and upbeat team atmosphere.

Qualifications

Required:

• Must be currently pursuing an undergraduate or graduate degree in Computer Science or a related field.
• Must be able to obtain and maintain a TS/SCI with Poly.
• Entry-level experience and knowledge of coding.
• Experience using REST-based web services.
• Familiarity with Agile software development methodologies.
• Familiarity with modern web technologies and techniques such as HTML5, CSS, CSS pre-processors (e.g. SASS, Less, Stylus), or JavaScript build tools (e.g. Browserify, WebPack, Closure).
• Familiarity with Java Spring Boot.
• Strong organizational skills and attention to detail.
• Strong verbal and written communication skills.
• Experience with Linux environment and Linux shell scripting.

Desired

• An eagerness to learn a modern infrastructure and be a part of a team supporting mission critical systems.
• Familiarity with real-time communication mechanisms such as WebSockets.
• Familiarity with Node, Cesium, and/or Open Layers.
• Familiarity with Spring, Docker, and/or Kubernetes.
• Knowledge of microservices based architecture.
• Familiarity with Elasticsearch and SQL based databases.
• Familiarity with emerging trends in desktop, web, and mobile app development.
• Experience with deployments, dev ops, and/or AWS Experience with Git.

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

$39,900-$79,900

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.