Principal Security Software Engineer (Linux/C/C++) – Lead

Forcepoint; Helsinki; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Forcepoint is seeking an experienced developer to work on its industry leading network security product. You will design and implement cross-network security solutions on Linux, contribute to developing and maintaining Forcepoint’s network security offerings, and mentor junior engineers within a global team.

The role emphasizes architectural integrity, secure coding practices, and deep OS knowledge, including filesystems, networking, and device drivers.

Qualifications

• Bachelor’s degree or equivalent experience.
• 10+ years of C/C++ on Linux.
• Experience in AI-assisted software development.
• Strong OS internals and device driver fundamentals.
• Experience leading development projects and mentoring juniors.
• Strong debugging and troubleshooting skills.
• Understanding OS fundamentals: filesystems, networking, memory management.
• Experience with certificate management, code signing, secure communications, encryption.

Responsibilities

• Design and implement cross network security solutions in response to emerging threats.
• Develop, enhance, and maintain Forcepoint network security products.
• Assist and troubleshoot product related issues escalated by the product support team.
• Perform additional duties and projects as required to achieve organizational goals.
• Act as a technical leader and mentor for engineering team, growing engineers through hands-on guidance and challenging assignments.
• Provide guidance on software design, low level implementation, and debugging of complex issues at the binary level.
• Implement security software to a high quality and be a champion for architectural integrity.

Skills

C/C++

Linux

AI-assisted development

OS internals

Kernel development

Mentoring

Troubleshooting

Debugging

Security software

Education

Bachelor’s degree or equivalent experience

Job description

Forcepoint is seeking an experienced developer to work on its industry leading network security product. You will design and implement cross-network security solutions on Linux, contribute to developing and maintaining Forcepoint’s network security offerings, and mentor junior engineers within a global team.

The role emphasizes architectural integrity, secure coding practices, and deep OS knowledge, including filesystems, networking, and device drivers.