Remote Computer Science Internship Jobs in Arlington, VA

At PMAT, we work on mission critical systems that directly support the warfighter, designing, building, and securing modern digital capabilities across cloud, data, and software environments. Our teams tackle complex, real-world challenges where delivery matters more than theory, and innovation is driven by curiosity, collaboration, and purpose.

Our 2026 Summer Internship provides paid opportunities for students enrolled in colleges, universities, and other qualifying educational institutions to gain valuable, hands-on experience while supporting meaningful work across engineering, technology, business, and corporate operations. Interns work alongside experienced professionals, contribute to real projects, and develop practical skills while exploring careers supporting the Department of Defense.

About the Role: As a PMAT Summer Intern, you'll gain hands-on experience working alongside experienced professionals on projects that support our customers, employees, and the Department of Defense. Internship opportunities are available across a variety of disciplines based on your education, interests, skills, and business needs.

Depending on your assignment, you may contribute to initiatives in:

• Software Development
• Cloud Engineering
• Cybersecurity
• Systems Engineering
• Data Engineering & Analytics
• DevSecOps
• Network Engineering
• Artificial Intelligence & Machine Learning
• Business Development
• Capture & Proposal Management
• Marketing & Communications
• Graphic Design & Digital Media
• Technical Writing
• Program Management
• Corporate Operations
• Human Resources
• Finance & Accounting
• Information Technology

Throughout the internship, you'll collaborate with experienced mentors, participate in meaningful projects, solve real-world challenges, and develop professional skills that prepare you for a successful career. At PMAT, interns aren't just observers—they're valued members of the team whose ideas and contributions matter.

You'll intern alongside professionals who are passionate about solving complex problems and delivering capabilities that make a difference. Whether you're developing software, creating graphics for proposals, supporting capture efforts, analyzing data, designing marketing materials, or helping build the next generation of defense technology, your work will contribute to meaningful outcomes.

If you're passionate about learning, enjoy solving challenging problems, and want to make an impact, we'd love to hear from you. Outstanding interns may also be considered for future internship or full-time opportunities with PMAT.

About Us: PMAT is an innovative small business founded with a passion for developing forward-leaning solutions from exceptional people that increase the mission's capability. We focus on designing and building impactful digital solutions that utilize modern cloud, data, and software concepts. Our passion is working on complex and progressive challenges such as edge platform computing, containerizing legacy platforms, distributed data platforms, and heterogeneous data analysis.

We recruit, retain, and foster a team motivated to pursue passions, investigate new ways of doing things, and embody an innovative and entrepreneurial spirit. We believe in being curious about every element of a problem and experimenting relentlessly. We foster continuous learning in an environment that encourages collaboration and expands our capabilities. We tap into collective intelligence, acknowledging that the best ideas can come from anywhere. Above all else, we believe that delivering meaningful capabilities is more impactful than simply documenting them. We are passionate about mission-centric design and delivering effective solutions to and for the warfighter.

Required:

• Currently enrolled in an accredited college, university, or technical school
• Pursuing an associate, bachelor's, master's, or doctoral degree, or a relevant technical certification program
• U.S. Citizenship required
• Ability to obtain and maintain a U.S. Government security clearance may be required depending on the internship assignment
  

Preferred Fields of Study:

We welcome students pursuing degrees or certifications in areas such as:

• Computer Science
• Software Engineering
• Computer Engineering
• Systems Engineering
• Cybersecurity
• Information Technology
• Data Science
• Artificial Intelligence
• Electrical Engineering
• Mathematics
• Business Administration
• Marketing
• Communications
• Graphic Design
• Digital Media
• Technical Writing
• Finance
• Accounting
• Human Resources
• Project or Program Management
• Or another related field aligned with PMAT's business needs

Possible Locations:

• San Diego, CA
• Denver, CO
• Remote (U.S.)*
• Additional locations based on program needs

*Remote opportunities are dependent on project requirements and security requirements.

Work Environment: Interns may work in PMAT offices, remotely (where permitted), or at government facilities depending on project assignments. Some travel may be required for customer engagement, team collaboration, training, or internship events.

PMAT is an Equal Opportunity Employer. We believe in hiring a diverse workforce and sustaining an inclusive, people-first culture. We are committed to providing equal employment opportunities without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other protected characteristic in accordance with applicable federal, state, and local laws.