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Systems Administrator & DevOps – Networks and Security (RSE) - Paris - H/F

iliad-free

Full-time|On-site|Paris

Join iliad-free as a Systems Administrator & DevOps specializing in Networks and Security (RSE) in the vibrant city of Paris. In this pivotal role, you will be at the forefront of managing and optimizing our IT infrastructure, ensuring seamless operations and robust security across our network systems.Your responsibilities will include configuring and mainta…

Mar 30, 2026

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Senior System & Network Administrator

Harmattan AI

Full-time|On-site|Paris

About UsHarmattan AI is pioneering the development of autonomous and scalable defense systems, serving as a next-generation defense prime. With a recent $200M Series B funding round, valuing the company at $1.4 billion, we are on an exciting trajectory of expansion to enhance our capabilities in delivering mission-critical solutions for allied forces.Driven by our core values of creating technologies that have a tangible impact, striving for excellence, and tackling formidable technical challenges, we thrive in a rigorous environment where accountability and execution are paramount.About the RoleAs we scale, we are seeking a Senior System & Network Administrator to take complete technical ownership of our infrastructure, both on-premises and in the cloud. You will ensure high availability, resilience, and security across all infrastructure layers.Join our small yet skilled IT team where you will engage in a variety of stimulating projects, from enhancing security frameworks to optimizing tooling and collaborating on cross-functional IT initiatives. As the complexity of our infrastructure increases, so will your opportunities for career advancement into lead or architect roles. We are looking for a self-starter who confidently makes decisions and is enthusiastic about contributing beyond their primary responsibilities.This position involves shared on-call duties among the IT team to guarantee the continuity of critical services.Server & Systems AdministrationAdminister and maintain Linux and Windows servers across on-prem and Google Cloud Platform (GCP) environments.Establish and enforce update and patching policies across all systems.Monitor system health, performance, and uptime; proactively address incidents.Manage virtualization environments and storage infrastructure.Backup & Business ContinuityDesign, implement, and routinely test backup and disaster recovery strategies.Ensure data integrity and set recovery time and point objectives (RTO/RPO).Document and uphold business continuity protocols.Network AdministrationConfigure and maintain network equipment including switches, firewalls, and routers.

Mar 12, 2026

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Network Core Systems Engineer - Paris - H/F

iliad-free

Full-time|On-site|Paris

Join our cutting-edge team at iliad-free as a Network Core Systems Engineer in Paris. We are looking for a talented and motivated individual to help us design, implement, and optimize our core network systems. As part of our dynamic Réseaux & Telecom department, you will play a crucial role in ensuring the reliability and performance of our network infrastructure.

Mar 25, 2026

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Intern - RSE Assistant H/F

amiparis

Internship|On-site|Paris, Île-de-France, France

Join our Production Department as an RSE Assistant, where you will support the RSE Manager in operational oversight across various service areas.RSE PRODUCTIONAssist the RSE team in monitoring product certifications.Participate in data traceability collection from our suppliers.Contribute to processing RSE data from suppliers, consolidating information for risk analysis.Support the Wholesale team in addressing client requests.Assist in monitoring social audits of our suppliers.Help prepare for the renewal of certifications for our logistics platform.Analyze the Carbon Footprint to ensure alignment with our RSE strategy.Engage in recycling and reuse projects.Assist in formalizing policies.Gather market data: synthesize information from publications in the fashion industry regarding environmental and social performance.INTERNAL COMMUNICATIONContribute to the development and implementation of internal communication strategies around RSE topics (digital tools, communication materials, conferences, workshops, solidarity events, seminars, etc.).Help organize events to engage employees on RSE issues (solidarity runs, etc.).Conduct monitoring, benchmarking, and identification of innovative and experiential communication solutions on RSE topics.

Apr 13, 2026

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Linux Systems and Network Engineer H/F

myjobcompany1

Full-time|On-site|Paris

We are seeking a skilled Linux Systems and Network Engineer to join our dynamic team in Paris. This role offers an exciting opportunity to work with cutting-edge technologies in a collaborative environment. You will be responsible for the design, implementation, and maintenance of Linux-based systems and networks, ensuring optimal performance and security.Key responsibilities include troubleshooting system issues, managing server configurations, and implementing network solutions. If you are passionate about technology and eager to contribute to innovative projects, we would love to hear from you!

Jun 20, 2016

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Systems Administrator at Air Apps | Paris

Air Apps

Full-time|On-site|Paris

About Air Apps Air Apps is a family-founded company focused on building the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP). Since starting in Lisbon in 2018, the team has grown to offices in Lisbon and San Francisco, reaching over 100 million downloads worldwide without external funding. The company’s mission centers on challenging conventions and creating AI-driven solutions that make a real difference in how people plan, work, and live. Employees play a direct role in shaping products that empower users across the globe. Role Overview: Systems Administrator (Paris) The Systems Administrator manages and maintains Air Apps’ corporate IT infrastructure, user access, and SaaS tools to keep operations secure and efficient. This role covers device management, network security, access controls, and hands-on IT support for staff. Strong technical knowledge of IT systems, cloud platforms, and security practices is essential to help scale and improve internal operations. Location and Work Arrangement This is a fully onsite role based in the Paris office. Collaboration with cross-functional teams is frequent. Relocation support is available for candidates moving to Paris.

Apr 17, 2026

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Network Security Engineer H/F

CAPFI Groupe

Full-time|On-site|Paris, Paris, France

Join us and thrive Network Security Engineer H/F CAPFI is a human-sized IT services company guided by genuine technological expertise and a strong culture of innovation. We offer a stimulating work environment, characterized by a variety of assignments and a human-centric approach. Trust, listening, and support are the core values of our Group, benefiting all employees. Our mission? To allow you to experience a collaborative journey that reflects your aspirations, enabling you to choose your professional trajectory, learning pace, and create the conditions necessary for your fulfillment. We believe that the diversity of profiles enriches our expertise; thus, we handle all applications equally, focusing solely on candidates' skills, irrespective of their origin, age, gender identity, disability, or religion. You are the right candidate if: You hold a Master’s degree and have at least 3 years of experience You specialize in IT Security technologies You recognize that IT Security is crucial today You are meticulous, passionate, curious, and persistent You possess a strong proficiency in English Your missions: As a Network Security Engineer, you will join a team of IT Security specialists at our clients' sites, working on topics such as: Internet access management Implementation of remote access solutions (VPN...) Securing perimeter access (Firewall, Proxy, Reverse Proxy, Load balancing, IDS/IPS, DLP, NAC, WAF...) Securing end-user devices (AV, EDR, HIDS, Micro-segmentation...) Mastery and understanding of cryptographic systems Technological watch Implementation of secure architectures Establishing security monitoring Patch management Validation of new solutions through POC Infrastructure migration

Jun 5, 2025

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Security Systems and Networks Specialist

OECD

Full-time|On-site|Paris

Role overview OECD is hiring a Security Systems and Networks Specialist to help safeguard its technology infrastructure. The role centers on implementing and managing security systems across a variety of network environments. The main objective is to protect the safety and integrity of the organization’s information systems. Main responsibilities Implement and manage security systems for different network setups Monitor information systems to ensure their integrity Apply cybersecurity principles and recognized best practices in daily work Support secure communication and data protection by working with network protocols Requirements Solid understanding of cybersecurity concepts Experience working with network protocols Familiarity with established security best practices This position is located in Paris.

Apr 28, 2026

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Network Performance Engineer - Paris - H/F

iliad-free

Full-time|On-site|Paris

Join iliad-free as a Network Performance Engineer in Paris, where your expertise will drive the optimization of our network performance. In this dynamic role, you'll analyze network traffic, troubleshoot issues, and develop solutions to enhance overall performance. Collaborate with cross-functional teams to implement best practices and innovative technologies to ensure our network exceeds customer expectations.

Apr 1, 2026

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Network Performance Engineer - Paris - H/F

iliad-free

Full-time|On-site|Paris

Join our dynamic team at iliad-free as a Network Performance Engineer in Paris. In this pivotal role, you will be responsible for optimizing and enhancing the performance of our core network infrastructure. You will work closely with cross-functional teams to ensure the highest standards of network efficiency and reliability.

Mar 13, 2026

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Senior Linux Systems Administrator at Ubisoft | Paris

Ubisoft Entertainment S.A.

Full-time|On-site|Paris

Join our dynamic Ubisoft Infrastructure & Platform team as a Senior Linux Systems Administrator. In this pivotal role, you will be responsible for the design, installation, configuration, monitoring, and maintenance of Linux environments, both on-premises and in the cloud. Your expertise will be crucial in ensuring the stability and reliability of our systems that support business-critical services.Your collaboration with development teams will drive automation and efficient deployment strategies, enhancing our operational capabilities. Embrace the opportunity to grow your skills within a fast-paced, technically challenging environment, while working with modern DevOps and cloud technologies.Key Responsibilities:Administer and maintain Linux servers (preferably Rocky Linux or Red Hat) in virtualized and cloud settings.Enhance automation processes through configuration management tools such as Ansible or Chef.Utilize monitoring tools like Prometheus and Grafana, as well as web servers such as Nginx or Apache.Develop and manage containerized applications using Docker and related technologies.Support and optimize CI/CD pipelines with GitLab CI/CD.Collaborate on cloud infrastructure projects (Azure) employing Terraform.Diagnose and resolve connectivity and performance issues related to firewalls, load balancers, proxies, etc.Drive continuous improvement initiatives to boost system performance and reliability.

Mar 12, 2026

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DevOps Cloud Engineer (H/F) at meilleurtaux | Paris

meilleurtaux

Full-time|On-site|Paris

Join our innovative team at meilleurtaux as a DevOps Cloud Engineer. In this role, you will be a key player in designing, implementing, and maintaining cloud infrastructure solutions that drive our business forward. We are looking for a highly skilled engineer passionate about cloud technologies and DevOps practices.

Mar 25, 2026

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Security Systems and Network Specialist

OECD

Full-time|On-site|Paris

Role overview The Security Systems and Network Specialist at OECD plays a key part in safeguarding the organization’s digital infrastructure in Paris. The position centers on maintaining secure networks and systems, with particular attention to data protection and the smooth functioning of operations. Main responsibilities Implement and manage security protocols for digital systems and networks Identify and analyze vulnerabilities within network environments Ensure that systems comply with international security standards Contribute to the protection of sensitive data and support the reliability of OECD operations Location This role is based in Paris.

Apr 28, 2026

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Security Analyst (H/F) at Advens | Paris

Advens

Full-time|On-site|Paris

Join our dynamic Blue Team at the heart of our Security Operations Center (SOC) and play a crucial role in identifying abnormal behaviors and vulnerabilities to safeguard our clients' information systems. Your Responsibilities:Support a portfolio of clients in protecting their information systems by identifying abnormal behaviors.Develop and propose tailored remediation plans that align with your client's context and business risks.Communicate detected elements to your clients effectively.Contribute to the enhancement of detection techniques and incident response rules within our SOC, helping to shape a distinctive product in the cybersecurity market. Your Future Projects:Envision engaging in activities that could be yours when you join us...Analyze subtle signals detected by mySOC algorithms.Collaborate with mySOC Level 3 experts to thwart sophisticated attacks.Provide feedback to the Product team regarding enhancements for analysis tools and incident reporting.Guide the operational security team of a client in analyzing a security incident, sharing critical insights and advice.Advise clients' Chief Information Security Officers (CISOs) on actions to take in response to incidents.

Apr 29, 2025

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Security Officer - H/F at Talan | Paris

Talan

Full-time|On-site|Paris

Join Talan as a Security Officer in Paris, where you'll be at the forefront of safeguarding our assets and ensuring the safety of our environment. As part of our dynamic team, your responsibilities will include monitoring security operations, conducting safety audits, and collaborating with various departments to implement security protocols effectively.

Feb 18, 2026

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DevOps Engineer (H/F)

nexton

Full-time|On-site|Paris

Nexton is looking for a DevOps Engineer to help drive infrastructure projects and improve deployment processes within the Telco Media Transport department. This position collaborates with team members across departments to streamline operations and boost system reliability. Role overview This role focuses on supporting infrastructure initiatives and refining deployment workflows. Daily work involves close interaction with colleagues from various teams, aiming to make operations more efficient and ensure dependable system performance. Location This position is based in Paris.

Apr 24, 2026

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Network Maintenance Technician - Paris (75) - H/F

iliad-free

Full-time|On-site|Paris

Join our dynamic team at iliad-free as a Network Maintenance Technician in Paris! In this role, you will be responsible for ensuring the optimal performance and reliability of our network systems. You will troubleshoot and resolve network issues, perform regular maintenance, and collaborate with our engineering team to implement improvements. If you are passionate about technology and eager to contribute to innovative solutions, we want to hear from you!

Jan 29, 2026

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System and Network Engineer

BlaBlaCar

On-site|On-site|Paris, France

Join BlaBlaCar as a Senior System and Network EngineerBlaBlaCar, the world's foremost community-driven travel application, connects 27 million members annually for carpooling and bus travel across 21 countries. With a diverse team of 800 professionals from over 50 nationalities, we operate from five global offices, with 30% of our workforce thriving in fully remote roles.Your RoleAs a Senior System and Network Engineer within our IT Operations team, you will be instrumental in delivering robust IT services and solutions throughout our organization, ensuring efficiency and security. Your expertise will help streamline our network and software solutions, empowering our team members to perform at their best. You will work in close collaboration with both the Security and Engineering teams to uphold the integrity, availability, and reliability of our IT infrastructure.Reporting directly to Henry Marinho Faiacida, our IT Operations Manager, you will join a skilled team of six, comprising three IT Engineers and three Tech Support Experts.Key ResponsibilitiesIn this role, you will serve as a vital resource for knowledge, best practices, and the execution of technological innovations. Your main responsibilities will include:• Leading IT projects from inception to completion in collaboration with various engineering teams.• Setting up, administering, and maintaining IT SaaS systems and applications.• Reviewing and optimizing SSO workflows within SaaS platforms to ensure peak performance.• Keeping our infrastructure current by implementing security policies, patches, and necessary updates.• Partnering with the Security team to enforce security policies, permissions, and procedures.• Ensuring compliance across all hardware, including networking equipment, computers, IoT devices, and printers.• Taking responsibility for L2/L3 support troubleshooting within the IT Operations domain.• Communicating effectively with internal departments and stakeholders.Scope of Work:• Overseeing users' technical working environment across various development departments.

Jan 8, 2026

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Alternance - Chef de projet RSE (x/f/m) - Septembre 2026

Doctolib

Internship|On-site|Paris, Paris, France

Êtes-vous prêt à rejoindre une équipe passionnée qui révolutionne le secteur de la santé en France, en Allemagne et en Italie, tout en évoluant dans un environnement multiculturel ?Intégrez l'équipe Social Impact de Doctolib et participez activement à notre stratégie ESG, qui repose sur trois piliers : People, Product et Planet.Vos missionsEn tant que Chef de projet RSE, vous aurez pour principales responsabilités :Évaluer et mettre en avant l'impact de Doctolib sur les professionnels de santé, les patients et les systèmes de santé.Contribuer à la rédaction du 4ème Rapport d'Impact de Doctolib en collectant et analysant des données, en rédigeant et en coordonnant les efforts entre équipes.Aider à atteindre nos objectifs climatiques en calculant notre empreinte carbone et en mettant en œuvre notre plan de réduction des émissions, en collaboration avec des parties prenantes clés.Surveiller les meilleures pratiques environnementales, les tendances émergentes et l'évolution réglementaire pour garantir que Doctolib reste proactif et conforme dans ses efforts de durabilité.Produire des supports ESG de qualité pour le reporting aux investisseurs.Soutenir la préparation des audits afin d'assurer la conformité avec les exigences d'audit.Participer aux initiatives de diversité, d'équité et d'inclusion, y compris celles visant à féminiser le leadership.

Mar 19, 2026

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Junior Systems Engineer / DevOps

myjobcompany1

Full-time|On-site|Paris

We are seeking a motivated and enthusiastic Junior Systems Engineer / DevOps to join our dynamic team at myjobcompany1 in Paris. This entry-level position offers a fantastic opportunity to develop your skills in systems engineering and DevOps practices while contributing to exciting projects.You will work alongside experienced engineers to maintain and improve our cloud infrastructure, automate deployments, and ensure system reliability. If you have a passion for technology and a desire to learn, we want to hear from you!

Jun 6, 2016

Network Maintenance Technician - Paris (75) - H/F

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