OPSWAT

Protects critical infrastructure from malware

Software Engineering Intern

Systems Software EngineeringUpdated on Nov 13

InternshipHo Chi Minh City, VietnamNo salary listedIn-person

About the Job

Requirements

Currently pursuing or recently completed a Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
Have a basic understanding of object-oriented programming and data structures and algorithms.
Have curiosity about or prior exposure to AI coding assistants such as ChatGPT, Copilot, or Claude.
Have strong problem-solving skills and eagerness to learn a large, real-world codebase.
Have good spoken and written English communication skills.
Be self-motivated, reliable, and comfortable asking questions in a fast-paced, team-oriented environment.

Responsibilities

Write, test, and debug C++ code for the OESIS Framework under the guidance of an assigned mentor.
Take on well-scoped features or bug fixes, clarifying requirements, implementing solutions, and conducting unit and functional testing with support from senior engineers.
Use AI coding assistants and agentic tools such as Claude Code and GitHub Copilot for code generation, refactoring, test creation, and debugging, while reviewing and validating their output.
Learn endpoint security basics, including anti-malware detection, patch and vulnerability assessment, and device compliance, through real project work.
Collaborate with the team's engineers, QA, and Product Management in the software development life cycle.

Desired Qualifications

Have a foundation in C++ fundamentals, including syntax, memory management, and object-oriented programming basics.
Have exposure to scripting languages such as Python, Squirrel, or Lua.
Have experience with Windows, macOS, or Linux development, or familiarity with operating-system-level concepts such as processes, services, and permissions.
Have an interest in cybersecurity, endpoint protection, or device compliance.
Be familiar with Git and collaborative development workflows.
Be familiar with large language model concepts such as prompting and tool or function calling, or have an interest in AI-assisted engineering.

OPSWAT, a global leader in IT, OT, and ICS critical infrastructure cybersecurity, delivers an end-to-end platform that gives public and private sector organizations and enterprises the critical advantage needed to protect their complex networks, secure their devices, and ensure compliance. Over the last 20 years our commitment to innovative technology has earned the trust of more than 1,700 organizations, governments, and institutions globally, solidifying our role in protecting the world’s critical infrastructure and securing our way of life.

The Position

We are looking for a motivated C++ Software Engineering Intern to join the team building the OESIS Framework, one of OPSWAT's flagship cybersecurity products. This is a hands-on internship: you'll spend most of your time writing real C++ code that ships as part of the product, working alongside experienced engineers who will guide your onboarding, review your work, and help you grow.

This is a great opportunity for a student or recent graduate who wants real-world experience with a large, production C++ codebase, exposure to the cybersecurity/endpoint-security domain, and hands-on practice with modern AI-assisted development workflows under close mentorship.

What You Will Be Doing

Write, test, and debug C++ code for the OESIS Framework under the guidance of an assigned mentor
Take on well-scoped features or bug fixes, working through requirements clarification, implementation, and unit/functional testing with support from senior engineers
Use AI coding assistants and agentic tools (e.g., Claude Code, GitHub Copilot) as part of your daily workflow for code generation, refactoring, test creation, and debugging while learning to review and validate what they produce
Learn the basics of the endpoint security domain: anti-malware detection, patch/vulnerability assessment, device compliance through real project work
Collaborate with your team's engineers, QA, and Product Management in SDLC

What We Need From You

Currently pursuing or recently completed a Bachelor's degree in Computer Science, Software Engineering, or a related technical field
Basic understanding of object-oriented programming and data structures/algorithms
Curiosity about or prior exposure to AI coding assistants (e.g., ChatGPT, Copilot, Claude)
Strong problem-solving skills and eagerness to learn a large, real-world codebase
Good communication skills in English, spoken and written
Self-motivated, reliable, and comfortable asking questions in a fast-paced, team-oriented environment

If Would Be Nice If You Had

Foundation in C++ fundamentals (syntax, memory management, OOP basics)
Exposure to scripting languages such as Python, Squirrel, or Lua
Experience with Windows, macOS, or Linux development, or familiarity with OS-level concepts (processes, services, permissions)
Interest in cybersecurity, endpoint protection, or device compliance
Familiarity with Git and collaborative development workflows
Familiarity with LLM concepts (prompting, tool/function calling) or interest in AI-assisted engineering

OPSWAT is an equal opportunity employer. We celebrate diversity and are committed to providing an environment where equal employment opportunities are extended to all employees and applicants, free of discrimination and harassment of any type. All employment decisions are based on individual qualifications, job requirements, and business needs without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other category protected by federal, state, or local laws.

Recruiting Agencies: we do not accept unsolicited resumes from third party agencies for any of our open positions. To submit resumes for our jobs, there must be a recruiting contract approved by our legal team and endorsed by both parties. We are currently not accepting additional 3rd party agencies at this time.

About the Company

OPSWAT

Protects critical infrastructure from malware

OPSWAT provides cybersecurity solutions that protect critical infrastructure from malware and zero-day attacks by focusing on threat prevention and secure data transfer. Its products secure files and devices at all stages—entry, exit, and rest—ensuring secure access and safe data exchange. The company differentiates itself through deep specialization in high-risk sectors like energy, finance, and government, and by achieving widespread trust (notably 98% of U.S. nuclear power facilities) for its compliance-driven approach. Its goal is to help organizations maintain secure, compliant operations and minimize the risk of cyber compromise while keeping systems productive.

Company size: 1,001-5,000
Company stage: Growth Equity (Venture Capital)
Total funding: $125M
Headquarters: Tampa, FL
Founded: 2002

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