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Littelfuse

IT Security Intern

Littelfuse
Lithuania · Full-time · Internship

Littelfuse is one of America’s Best Mid-Sized Companies (Forbes) and has been named one of the Best Places to Work in Illinois (Best Companies Group) for 11 consecutive years. With its global headquarters in Chicago, Illinois, USA, Littelfuse is a leading, global manufacturer of electronic components serving more than 100,000 end customers across industrial, transportation, and electronics end markets. We have more than 17,000 employees with operations in 15 countries. From semiconductors to sensors… switches to fuses and more… we produce billions of electronic components that help our customers empower a sustainable, connected, and safer world. In 2021, Littelfuse had net sales of $2.1 billion.

Littelfuse Internship Program provides opportunities to students or recent graduates from diverse academic backgrounds in the Americas, Europe, and Asia. At Littelfuse we are committed to providing interns with a rewarding and enriching experience through our comprehensive internship program. We believe in fostering an environment that encourages professional development, hands-on learning, and meaningful contributions.

Currently we are looking for an intern to join Littelfuse IT Security Team. Use the chance to gain professional skills and kick-start your career in a truly global company! Spend 6 months as paid intern working in a hybrid form and follow your career aspirations.

About The Internship

  • Kick-start your career in a truly global company and gain hands-on experience in IT Security Operations, Engineering and Compliance
  • Support Red Team penetration testing activities in our internal environment
  • Review, maintain, and update internal knowledge systems to keep them current and aligned with existing requirements.
  • Work together with Security Engineering team in order to review and evaluate various third-party vendors/solutions.
  • Assist IT Security Compliance team with maintaining the security awareness program and tools.
  • Closely collaborate with team members and other teams in the organization

About You

  • Third year or last year student in Security/ Technology, Computer science studies
  • Proactive, and eager to learn IT security operations principles and techniques
  • Basic understanding of networking and operating systems
  • Interest in Red Team / penetration testing concepts (in an ethical, controlled environment)
  • Interested in professional growth in IT Security
  • Great communicator in English (written and verbal)
  • Motivated to join an international and fast-paced environment
  • Strong analytical skills and high attention to detail
  • Any exposure to security tooling (e.g., SIEM, vulnerability scanners, EDR) or labs/CTFs is considered as a plus

Join the Littelfuse Internship Program and start your learning journey by taking on tomorrow’s challenges. Grow and develop in a culture of ongoing collaboration and respect for diverse global perspectives and expertise. Our core values Respect, Customer Focus, Agility, and Collaboration – support us on our mission to improve the safety, reliability and performance of our customer products that use electrical energy.

Salary for this position ranges from 1250 to 1450 EUR Gross, but the final offer will depend on the experience and competencies of the selected candidate.

We are always looking for bright minds to make a big impact – join us!

Key Skills

Ranked by relevance

penetration testing switches siem
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Posted
Dec 23, 2025
Type
Full-time
Level
Internship
Location
Kaunas
Company
Littelfuse

Industries

Appliances Electrical Electronics Manufacturing

Categories

Information Technology

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