Internship in Network Security Benchmarking and Hardening M/F/X

Want to boost your professional experience alongside a dedicated and passionate mentor? Are you looking for an international, family-run company that offers you the opportunity to develop and progress?

As a leading provider of electrical solutions and services, Hager Group contributes to the energy transition through its business activities. Our 13,000 employees innovate every day to shape the electrical world of tomorrow.

We are proud to be certified Happy Trainees with a recommendation rate above 97%, highlighting our commitment to valuing the experience of our apprentices and interns.

We are looking for our future intern in Network Security Benchmarking and Hardening (Firewalls, Cisco & HPE Aruba) based in Obernai  for a duration of 6 months starting from February 26.

Your mission:

Reporting to the D&I Architect Network and Security Services, the whole team will rely on you to:

• Conduct CIS benchmarking and hardening activities on our network infrastructure (Firewalls, Cisco & HPE Aruba switches).


• Compare current device configurations against CIS benchmarks and identify deviations from best practices.


• Investigate the reasons behind non-compliant settings and assess potential risks.


• Develop possible mitigation measures for identified risks.


• Evaluate tools and processes to regularly compare the status of used network appliances with CIS benchmarks, including compliance notifications.


• Design templates for future deployments to ensure standardized configurations.

We are a collaborative group focused on strengthening network security and ensuring compliance with industry standards.

Your Profile: 

Currently a student at Master’s level in Computer Science, Information Technology, or a related field. Looking for an internship of 6 months.

• Proficient in English in a professional environment.


• Solid foundation in networking concepts, including TCP/IP, OSI model, IP addressing, subnetting, and common protocols (DNS, DHCP, HTTP/HTTPS, VPN).


• Skilled in troubleshooting and problem-solving, using tools such as ping, traceroute, and netstat.


• Basic knowledge of network hardware (routers, switches, firewalls, access points) and ability to assist in configurations.


• Awareness of network security principles (firewalls, encryption, secure passwords) and common threats (phishing, malware, unauthorized access).


• Strong documentation and communication skills to clearly record configurations, troubleshooting steps, and collaborate effectively with the team.


• Demonstrates initiative, autonomy, and enjoys working in a team environment.


• Analytical and synthesis skills will be your best assets to succeed in this mission.

What are your benefits as an intern at Hager Group?

Internship compensation based on your level of education: from €900 to €1400 gross/month (Bachelor’s to Master’s Degree).

• One paid day off per month and up to one day of remote work per week.


• Join the TAI Community (Trainees – Apprentices – Interns), an internal community dedicated to interns and apprentices that will allow you to enrich your skills and develop your network.


• A personalized onboarding program designed to ease your first steps in the company.

Q&A Applying at Hager Group 

• What are the steps of the recruitment process ?

If your application is accepted:

1. Phone interview with the recruiter to discuss your expectations and determine if the offer matches your profile.


2. Video or in-person interview at one of our sites with the mentor and recruiter.

You will receive feedback from the recruiter within 15 days.

If your application is not accepted: the recruiter will present other offers that may match your profile.

How to prepare your application ? Customize your resume to specifically match the offer, highlight keywords, and mention your internship availability (period and duration). We do not expect a long cover letter, just a few lines explaining your motivation for the offer are enough!

• Our tips to prepare for your interviews : Familiarize yourself with the company, its products and solutions, and, if applicable, the latest news related to the projects of the department you applied to.

Be authentic!