Lutessa

About the Company

Allez, on se présente ! Nous c'est LUTESSA, ESN hyper-spécialisée dans la Connectivité, le Cloud, la GRC, la Cybersécurité et la DATA/IA grâce à une centaine de spécialistes technophiles. Vous avez un projet ? LUTESSA accompagne ses clients, constructeurs, opérateurs, intégrateurs et grands donneurs d’ordres dans l'étude, l'intégration et la gestion de leurs infrastructures critiques. À ce jour, LUTESSA est implanté à Paris, Nantes, Marseille & Monaco. Nos ingénieurs sont avant tout passionnés et animés par l'envie d'un perfectionnement continu. Vous cherchez un terrain de jeu et une équipe qui saura reconnaître votre singularité ? Rejoignez la LUTESSA Family ! Au-delà de vos compétences techniques, LUTESSA vous accueille comme vous êtes, notre promesse est de bâtir ensemble votre carrière avec sincérité et transparence. LUTESSA est un catalyseur, bâtisseur de carrière, nous vous proposons des projets stimulants pertinents et enrichissants. Nous nous engageons à vous accompagner dans votre développement en veillant à incarner et transmettre nos valeurs en toute simplicité. Venez développer votre potentiel au sein de la team LUTESSA We are Lutessa, we are refreshing

Listed Jobs

Company Name

Lutessa

Job Title

Consultant Cybersécurité / Analyste SOC

Job Description

**Job title**: Cybersecurity Consultant / SOC Analyst **Role Summary** Cybersecurity Consultant in a SOC environment responsible for managing incidents and service requests via ITSM, controlling user access, automating security tasks, conducting vulnerability scans, troubleshooting incidents, and ensuring continuous service improvement. **Expectations** Deliver timely incident and request resolution, maintain accurate access and vulnerability data, create and maintain automation workflows, support platform users, and actively contribute to documentation and process enhancement. **Key Responsibilities** - Handle incident and service tickets through ITSM platform. - Manage user access lifecycle (create, modify, delete). - Design and develop automated security tasks (scripts, playbooks). - Support platform users, including entities and the Global Security Operations Center (GSOC). - Plan, execute, and interpret vulnerability scans. - Troubleshoot and operationally manage security incidents. - Coordinate with third‑party vendors and support teams. - Participate in internal and vendor meetings. - Conduct proactive platform monitoring to ensure uptime. - Escalate high‑priority (P1) incidents to solution lead or delivery manager. - Contribute to continuous service improvement (new features, processes). - Support change requests and audit activities. - Produce and update service documentation (procedures, runbooks). **Required Skills** - Proven experience in incident management and reporting. - Strong expertise in vulnerability management, including assessment and remediation. - Deep knowledge of vulnerability lifecycle and patching best practices. - Hands‑on experience with EDR solutions (e.g., CrowdStrike). - Experience securing cloud workloads (AWS, Azure, GCP). - Proficient in scripting/automation (Python, PowerShell, etc.). - Familiarity with ITSM tools (ServiceNow, Jira Service Management). - Excellent troubleshooting and analytical skills. - Strong written and verbal communication in English (fluent). **Required Education & Certifications** - Bachelor’s degree in Computer Science, Information Security, or related field. - Relevant certifications: CISSP, CISM, CEH, CompTIA Security+, or equivalent. ---

Île-de-france, France

Hybrid

26-12-2025

Company Name

Lutessa

Job Title

Ingénieur Infrastructure Sécurité (H/F)

Job Description

**Job title:** Infrastructure Security Engineer (H/F) **Role Summary:** Design, implement, and manage the full lifecycle of critical security infrastructure components—including firewalls, load balancers, proxies, DNS, IDS/IPS, and UTM platforms—to ensure secure and reliable Internet navigation and remote access for internal and European clients. **Expectations:** - Minimum 5 years of hands‑on experience in infrastructure security. - Proven expertise delivering solutions across at least three of the following technologies: Fortinet/Checkpoint firewalls, F5/Netscaler load balancers, Bluecoat/McAfee proxies, Infoblox DNS, Sourcefire IDS/IPS, Fortinet/Checkpoint UTM. - Fluent in English (written and spoken). - Strong background in administration, monitoring, architecture design, and TCP/IP networking. **Key Responsibilities:** - Conduct requirement studies and architecture design for Paris and European deployments. - Plan, configure, and integrate security solutions within internal environments. - Provide 100 % operational support for the portfolio of technologies. - Monitor systems, troubleshoot incidents, and maintain high availability. - Contribute to worldwide security standards and best practices. **Required Skills:** - Expert administration and monitoring of Fortinet and Checkpoint firewalls, F5/Netscaler load balancers. - Proficiency with Bluecoat/McAfee proxies, Infoblox DNS management, Sourcefire IDS/IPS, and Fortinet/Checkpoint UTM solutions. - Deep knowledge of network protocols, TCP/IP, and security architecture principles. - Ability to work independently and as part of a cross‑functional team. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Security, or related field. - Relevant certifications: - Fortinet NSE 4/5/6/7 (Preferred) - Checkpoint Certified Security Administrator (CCSA) / Professional (CSP) (Preferred) - F5 Certified Administrator (Preferred) - Any additional certifications in IDS/IPS, DNS, or load balancing are an advantage. ---

Paris, France

Hybrid

Mid level

28-01-2026

Company Name

Lutessa

Job Title

CyberSOC Analyste spécialisé sur Splunk (H/F)

Job Description

Job title: CyberSOC Splunk Analyst Role Summary: Leverage advanced Splunk expertise to analyze, investigate, and remediate security incidents within a CyberSOC environment. Drive continuous improvement of detection rules, automation scripts, and innovative Splunk projects (RBA, Machine Learning Toolkit). Conduct proactive threat hunting, maintain cyber threat intelligence, and produce actionable incident reports. Expectations: - Analyze and triage security incidents using Splunk. - Develop and deploy remediation plans. - Expand detection coverage through RBA and ML initiatives. - Execute threat hunting and research new attack hypotheses. - Document findings and update shared knowledge bases. Key Responsibilities: - Incident analysis, triage, and correlation in Splunk. - Apply remediation strategies and verify outcomes. - Optimize detection rules, playbooks, and automation scripts. - Lead or support Splunk innovation projects (RBA, Machine Learning Toolkit). - Monitor and assess threats, vulnerabilities, and emerging TTPs. - Share contextual threat intelligence via STIX, OpenIOC, MISP, OpenCTI, ThreatQuotient, etc. - Conduct regular threat hunting cycles and post‑mortem malware analysis. - Produce and circulate incident reports, lessons learned, and recommendations. - Maintain knowledge bases (Confluence, Git, SharePoint). Required Skills: - Strong Splunk proficiency; Splunk PowerUser certification preferred. - Fluent in MITRE DETECT & DEFEND framework. - Deep knowledge of EDR/XDR solutions (CrowdStrike, PA, MDE). - Malware reverse‑engineering and post‑mortem analysis capabilities. - Cyber‑intelligence fundamentals: STIX, OpenIOC, TIP platforms (MISP, OpenCTI). - Understanding of attacker TTPs. - Proficient in English (written & spoken). Required Education & Certifications: - Bachelor’s degree in Computer Science, Cybersecurity, or related field. - Splunk PowerUser certification (or equivalent). - Relevant information‑security certifications (e.g., CISSP, CEH) are advantageous.

Courbevoie, France

Hybrid

04-02-2026