Senior IT Security Engineer | IAM, SIEM & SecOps

Cyberjobs; Palaiseau; On-site; EUR 80,000 - 110,000; Full time

Benefits offered by this job

Brand new offices Massy

CDI contract

International team

Job summary

Pasqal seeks a Senior IT Security Engineer to design, operate and continually improve security across workplace, identity, networks, SaaS, infrastructure, and cloud environments. You will work with the Information Security Manager to translate security requirements into pragmatic controls supporting business needs.

Responsibilities include strengthening IAM and endpoint security, deploying EDR/XDR, SIEM, IDS/IPS, and automating controls with Python, Terraform, Ansible, and IaC.

Qualifications

• Five to seven years of hands-on experience in cybersecurity or related infrastructure engineering roles.
• Strong foundations in IAM, endpoint security, system hardening, vulnerability management, security monitoring, and incident response.
• Hands-on experience with identity technologies such as SSO, SAML, OIDC, SCIM, MFA, and RBAC.
• Solid understanding of application and DevSecOps security practices, including CI/CD security and threat modeling.
• Ability to translate risks and security requirements into pragmatic technical controls without blocking research.
• Ability to document controls, decisions, and technical activities so they remain measurable and auditable.
• Active technology watch to assess threats and turn insights into security improvements.
• Experience working in controlled environments; affinity with AI tools is a bonus.
• Fluency in professional English and ability to work in international teams.

Responsibilities

• Strengthen identity, endpoint, network, and cloud security through access controls, hardening, segmentation, monitoring, and vulnerability management.
• Deploy and operate protection and detection capabilities such as EDR/XDR, SIEM, IDS/IPS, logging, and alerting, while managing security incidents and remediation.
• Automate and standardize security controls using Python/Bash, Terraform, Ansible, Infrastructure as Code, and DevSecOps practices across IT and CI/CD environments.
• Support ISO/IEC 27001 certification by maintaining auditable technical controls and evidence, contributing to audits, and collaborating with IT, Engineering, Legal, HR, Procurement, and other teams to embed security by design.

Skills

IAM

Endpoint security

Network security

Cloud security

System hardening

Vulnerability management

Security monitoring

Audit logging

Incident response

SSO

SAML

OIDC

SCIM

MFA

RBAC

DevSecOps

Threat modeling

Software supply-chain security

Tools

EDR/XDR

SIEM

IDS/IPS

Job description

Pasqal seeks a Senior IT Security Engineer to design, operate and continually improve security across workplace, identity, networks, SaaS, infrastructure, and cloud environments. You will work with the Information Security Manager to translate security requirements into pragmatic controls supporting business needs.

Responsibilities include strengthening IAM and endpoint security, deploying EDR/XDR, SIEM, IDS/IPS, and automating controls with Python, Terraform, Ansible, and IaC.