General Installation Engineer
About the job
- An engineering degree or equivalent training in civil engineering, mechanical engineering, energy engineering, or general engineering is required.
- Experience in a similar position or in an industrial environment is required.
- Knowledge of general installations in an industrial environment is required.
- Technical interface management skills are required.
- The position requires autonomy, rigor, and teamwork.
- The role is subject to a government administrative investigation.
- Define the overall installation architecture, including equipment layout, network routing, functional areas, and operating and maintenance volumes.
- Define and arbitrate technical installation-layout choices.
- Integrate nuclear safety, radiation protection, operations and maintenance, handling and assembly, and construction lessons-learned constraints.
- Write installation assumptions and principles.
- Organize and manage general-installation studies.
- Provide technical guidance to designers.
- Verify the consistency and compliance of 3D models.
- Technically validate general-installation drawings and deliverables.
- Manage multidisciplinary interfaces and resolve space- and interference conflicts.
- Write and/or validate installation-principle notes, technical-justification notes, installation-rules specifications, and interface dossiers.
- Guarantee the quality, completeness, and traceability of documentation.
- Prepare for and participate in technical and client reviews.
- Act as the project's general-installation representative.
- Participate in internal and external technical meetings.
- Provide technical support to the construction site, including deviation analysis, installation adaptations, and processing of nonconformities.
- Capture and capitalize on lessons learned.
- Apply and enforce project-quality, nuclear-safety, and client-requirement standards.
- Integrate safety-culture principles.
- Perform or manage technical self-checks.
- Contribute to continuous improvement of general-installation practices.
- Experience in a nuclear environment is an advantage.
About the company
Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.
Company Size
5,001-10,000
Company Stage
IPO
Headquarters
Paris, France
Founded
1966
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Simplify's Take
What believers are saying
- H1 2026 revenue grew 2.5% organically; nuclear grew 8.0%.
- France delivered 4.2% organic growth on new-builds, fuel cycle, and digitalisation.
- UK momentum accelerated after April 2026 SMR, CPS2, and MoD framework wins.
What critics are saying
- Nuclear concentration leaves Assystem exposed if French EPR2 schedules slip beyond 2027.
- H1 2026 international revenue fell from currency hits and project endings in India.
- Rolls-Royce SMR still needs FID, regulatory clearance, and site decisions before revenue scales.
What makes ASSYSTEM unique
- Assystem derived 81% of H1 2026 revenue from nuclear engineering.
- April 2026 UK wins placed Assystem on CPS2 and MoD delivery frameworks.
- January 2025 Mactech Energy Group deepened Assystem's UK nuclear construction capabilities.
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Benefits
- Health Insurance
- Dental Insurance
- Vision Insurance
- Unlimited Paid Time Off
- Flexible Work Hours
- Remote Work Options
- Paid Vacation
- Paid Holidays
- Hybrid Work Options
- 401(k) Retirement Plan
- Wellness Program
- Mental Health Support