Job Description

About Atos Group

Atos Group is a global leader in digital transformation with c. 67,000 employees and annual revenue of c. EUR10 billion, operating in 61 countries under two brands -- Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.



The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.



We are seeking a

dynamic and results-driven Security Engineer

with over three years of experience in

Product Security

, specializing in

Penetration Testing

and

Application Security

. The ideal candidate will play a critical role in identifying, assessing, and mitigating security vulnerabilities across

web, mobile, network, and cloud environments

. This position requires strong technical expertise, analytical thinking, and the ability to integrate security best practices throughout the product development lifecycle.

Key Responsibilities

Perform

penetration testing

and

vulnerability assessments

for web, mobile, network, and cloud-based applications. Collaborate with engineering teams to embed

secure-by-design principles

and enhance application security through

DevSecOps integration

. Conduct

source code reviews

,

threat modeling

, and

security architecture assessments

. Manage and maintain the

vulnerability management lifecycle

, ensuring timely remediation and verification of identified risks. Support and coordinate with relevant teams for

mitigation

and

root-cause analysis

. Contribute to

security automation

and

continuous integration pipelines

to strengthen overall security posture. Develop and deliver

security awareness and training sessions

for development teams. Stay updated with

emerging threats, tools, and industry trends

to continuously enhance security practices.

Required Skills

3+ years of hands-on experience in

Application Security

and

Penetration Testing

. Strong knowledge of

web, mobile, network, and cloud architectures

. Experience with

DevSecOps practices

and security automation tools. Proficiency in

source code review

and

threat modeling

. Excellent analytical, problem-solving, and communication skills.

Preferred Skills

Experience in

security architecture reviews

. Familiarity with

cloud security frameworks

(AWS, Azure, GCP). Knowledge of

cryptography, SSL/TLS, PKI

, and secure coding practices. * Relevant

cybersecurity certifications

(CEH, OSCP, CISSP, etc.).