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Assystem

Assystem

www.assystem.com

25 Jobs

7,354 Employees

About the Company

Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change.

7,500 switchers, spread in 12 countries in Europe, Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, clean hydrogen projects and low-carbon transport.

We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures.

55 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, ENEC, Enedis, Engie, Framatome, ITER, K.A. CARE, Naval Group, NICDC, Orano, RATP, Rolls Royce, Royal Commission, Sellafield, SGP, SNCF...

Assystem is ranked in the Top 3 companies in the nuclear energy sector.

Listed Jobs

Company background Company brand
Company Name
Assystem
Job Title
Développeur PowerPlatform - H/F
Job Description
Job Title: Power Platform Developer – M/F Role Summary: Design, develop, and maintain business applications on Microsoft Power Platform (Power Apps, Power Automate, Power BI) within a digital transformation context. Work closely with business stakeholders to transform functional requirements into secure, high‑performance solutions integrated with Microsoft 365/ Azure environments. Expactations: - Minimum 5 years of proven Power Platform development experience. - Ability to lead end‑to‑end application lifecycle, including analysis, design, coding, testing, deployment, and ongoing enhancement. - Strong collaboration skills for user training, documentation, and knowledge transfer. - Autonomous, rigorous, and pro‑active pursuit of technical excellence and continuous improvement. Key Responsibilities: - Gather and analyze user needs directly with business referents. - Build custom Power Apps tailored to processes, automate workflows with Power Automate, and develop Power BI dashboards. - Ensure solution consistency, security, scalability, and performance in M365/ Azure. - Maintain and enhance existing applications, addressing bugs and evolution requests. - Conduct user onboarding, support, and produce technical documentation. - Promote best practices in development, CI/CD, and version control on the Power Platform. - Monitor Microsoft ecosystem, evaluating new features and opportunities. Required Skills: - Advanced proficiency in Power Apps, Power Automate, and Power BI. - Strong knowledge of SQL, DAX, JavaScript, HTML/CSS. - Experience with Microsoft 365, Azure services, and integration patterns. - Excellent analytical, troubleshooting, and communication abilities. - Ability to work on-site (3 days/week) and collaborate in a client‑centric environment. Required Education & Certifications: - Bachelor’s or Master’s degree (Bac +5) in Computer Science, Information Systems, or Application Development. - Minimum of 5 years in Power Platform development. - PL‑900 certification is a strong advantage.
Tours, France
On site
Mid level
02-12-2025
Company background Company brand
Company Name
Assystem
Job Title
Ingénieur Informatique Systèmes H/F
Job Description
**Job Title** IT Systems Engineer **Role Summary** Provide system and network administration for projects in the nuclear & defense sector at CEA VALDUC. The role supports servers, network infrastructure, virtualization, storage, security updates, and user support, while ensuring compliance with ITIL best practices and documented procedures. **Expectations** - Deliver daily operations of the IT environment for a high‑security site. - Maintain system reliability, performance, and security across physical and virtual platforms. - Collaborate with project managers and engineering teams to enforce IT standards. - Uphold confidentiality and be eligible for a security clearance (Confidentiel Défense or Secret Défense). **Key Responsibilities** - Administer and troubleshoot Windows and Linux servers (AD, DHCP, DNS, business applications). - Configure and maintain network devices (switches, routers, firewalls, VLANs). - Deploy and manage VMware ESXi, VSwitch, Datastores, KVM environments, and backup solutions (NetBackup). - Provide ITIL‑aligned end‑user support (Windows 7/10, network shares, printers). - Set up new workstations and hardware for users, including security patching. - Update and author documentation, procedures, and system inventories. - Participate in security assessment and implementation of ANSSI‑compliant controls. **Required Skills** - Strong knowledge of Microsoft Active Directory, DHCP, DNS. - Experience with enterprise networking (switches, routers, firewalls, VLANs). - Proficiency in virtualization platforms (VMware ESXi, KVM). - Familiarity with storage, backup (NetBackup) and disaster‑recovery practices. - Excellent ITIL support skills and user‑centric problem solving. - Solid writing and documentation abilities. - Effective communication, teamwork, and autonomous working style. **Required Education & Certifications** - Minimum Bac+5 (Master’s) in Computer Engineering or related field. - Significant professional IT experience (minimum 3‑5 years). - Eligibility for a French security clearance (Confidentiel Défense or Secret Défense). - Knowledge of cybersecurity fundamentals and ANSSI measures is essential.
Dijon, France
On site
03-12-2025
Company background Company brand
Company Name
Assystem
Job Title
Ingénieur MES / AVEVA H/F
Job Description
Job Title MES Engineer / AVEVA (H/F) Role Summary Design and develop supervisory and MES software solutions for industrial clients in the energy and high‑tech sectors. Work within a specialized IT team, collaborating closely with major industrial partners across nuclear, aerospace, maritime, and food technology domains. Expectations - Deliver robust MES/supervision software within defined timelines. - Maintain high coding standards and system design integrity. - Actively improve technical knowledge and support cross‑functional collaboration. Key Responsibilities - Analyze user requirements and transform them into functional specifications. - Develop, test, and deploy MES and supervision applications using AVEVA System Platform, CODRA, or Coox. - Integrate relational databases (MS SQL, PostgreSQL) and expose data via web services or Java/XML interfaces. - Implement UI components with Visual .NET or web technologies. - Apply system design methodologies (UML, Agile, MCSE) to create scalable architectures. - Contribute to automation interface development for Schneider and Siemens PLCs (optional). - Collaborate with project managers and other teams to ensure alignment with delivery targets. - Participate in code reviews, troubleshooting, and continuous improvement initiatives. Required Skills - Proficient in AVEVA System Platform (MES) and supervision development tools. - Experience with relational database design and queries (MS SQL, PostgreSQL). - Strong programming skills: Visual .NET, Java, XML, web publication. - Familiarity with system modeling (UML) and Agile/MCSE methodologies. - Ability to learn and adapt to new automation systems (Schneider/Siemens PLC). - Excellent communication and teamwork abilities. - English proficiency (reading, writing, speaking) for international collaboration. Required Education & Certifications - Bachelor's or Master’s degree (BAC+5) in Industrial Computing, Software Engineering, or related field. - Professional certifications in AVEVA System Platform or MES development are advantageous.
Nantes, France
Remote
04-12-2025
Company background Company brand
Company Name
Assystem
Job Title
Consultant Senior en Transformation Digitale H/F
Job Description
**Job title:** Senior Digital Transformation Consultant **Role Summary:** Provide expert consulting services to major energy, industrial, and nuclear organisations, driving digital transformation initiatives that enhance operational performance, ensure regulatory compliance, and support low‑carbon transition objectives. Act as the liaison between business units and IT teams, leading complex projects from strategy to implementation and change management. **Expectations:** - Deliver measurable digital‑transformation outcomes for senior client stakeholders. - Manage end‑to‑end projects autonomously while collaborating with multidisciplinary teams. - Identify commercial opportunities, contribute to proposals, and support pre‑sales activities. - Maintain strong client relationships and serve as a trusted advisor on technology and process improvement. **Key Responsibilities:** - Conduct organisational and process optimisation assessments. - Lead and coordinate large, cross‑functional projects (feasibility studies, scoping, workshops, functional specs, development oversight, validation, change management, system integration/migration). - Provide strategic guidance on IT system architecture and digital solutions for energy and industrial environments. - Draft proposals, bid responses, and value‑add propositions in partnership with business‑development teams. - Mentor junior consultants and contribute to internal knowledge resources. - Stay current on industry best practices, regulatory changes, and emerging digital technologies. **Required Skills:** - 7+ years of consulting or advisory experience in energy, industrial, or nuclear sectors. - Strong project management (planning, scoping, scheduling, budgeting, risk mitigation). - Proven ability to translate business needs into functional and technical specifications. - Excellent stakeholder management, communication, and facilitation skills. - Knowledge of digital technologies relevant to energy (automation, data analytics, IoT, cloud, industrial controls). - Familiarity with regulatory and environmental standards in the energy sector. - Fluency in English (French proficiency is an advantage). **Required Education & Certifications:** - Master’s degree (Bac +5) or equivalent in Engineering, Energy, Computer Science, or related discipline. - Professional project‑management certification preferred (PRINCE2, PMP, or equivalent). - Domain certifications in energy, nuclear, or digital technologies are a plus.
Lyon, France
Hybrid
Senior
04-12-2025