Jobs at Assystem

Positions 545,557

Assystem is a leading French engineering and technology services firm that partners with aerospace, defense, nuclear, and energy companies to deliver advanced simulation, digital twin, and embedded software solutions. With a global presence in more than 15 countries, the company is recognized for its expertise in high‑performance computing and mission‑critical system design.

Candidates at Assystem typically fill roles such as Systems Engineer, Software Engineer, Simulation Engineer, Data Scientist, Cybersecurity Analyst, and Project Manager. These positions emphasize cross‑disciplinary collaboration, rigorous testing, and the use of industry‑standard tools like Ansys, Siemens NX, and MATLAB. Applicants can expect a structured onboarding process, ongoing training, and projects that span international teams.

By reviewing Assystem listings on Job Transparency, job seekers gain instant access to verified salary ranges, employee sentiment scores, and real‑time market comparisons. This data empowers applicants to negotiate confidently, benchmark against peers, and choose roles that align with their career goals.

Chargé d'affaires Mécanique H/F

Company: Assystem

Location: Other US Location

Posted Sep 11, 2024

Assystem is a company that prioritizes finding solutions to climate change by accelerating the transition to low-carbon energy. They work on producing and distributing electricity from renewable sources and modernizing electrical grids. The company is looking for a Chargé dAffaires Mécanique HF to join their team.

Project Administrator

Company: Assystem

Location: Other US Location

Posted Sep 10, 2024

Assystem is an international company committed to accelerating the energy transition. They provide engineering and project management services to optimize complex infrastructure projects. The company is looking for a Scrutiny and Assurance Support to join their team.

Principal Network Engineer

Company: Assystem

Location: Other US Location

Posted Sep 09, 2024

The job description is for a cybersecurity engineer to design and implement network security solutions for a company. The company is committed to equal treatment of candidates and promotes diversity. The job requires experience in control system requirements capture and delivery, industrial cyber security practices, and familiarity with SL processes and procedures.

Ingénieur Confirmé Métier Courant Fort / Faible H/F

Company: Assystem

Location: Other US Location

Posted Sep 11, 2024

Assystem is a company that prioritizes finding solutions to climate change by accelerating the transition to low-carbon energy. They are looking for an engineer to join their team in France to work on projects related to nuclear energy, renewable energy, and defense.

Senior Planner

Company: Assystem

Location: Other US Location

Posted Sep 08, 2024

Assystem is a leading provider of project management, design, engineering, and construction supervision services, with a focus on low-carbon energy and transport infrastructure. They are committed to equal treatment of candidates and promote diversity within their company.

Ingénieur Agression Source Froide H/F

Company: Assystem

Location: Other US Location

Posted Sep 11, 2024

Assystem is a company that is committed to accelerating the energy transition by developing low-carbon energy solutions. The company is looking for an engineer to join their team to work on the analysis of cold source aggressions in the nuclear sector.

Senior Process Engineer

Company: Assystem

Location: Detroit, MI

Posted Sep 11, 2024

Assystem is an international company that accelerates the energy transition. They offer competitive benefits and a community of Switchers. The Senior Process Engineer role is part of the Strategic Infrastructure Business Unit, managing nuclear process engineering packages for a major Defence client.

Senior ECoW / Ecologist

Company: Assystem

Location: Other US Location

Posted Sep 10, 2024

Assystem is an international company that aims to accelerate the energy transition worldwide by providing project management, design, and construction supervision services. They are committed to supporting the UK's energy transition and have acquired Schofield Lothian to combine strengths in the transport and infrastructure sectors.

Aconex Module implementations - Consultant

Company: Assystem

Location: Other US Location

Posted Sep 10, 2024

The job description is for a Senior Consultant specializing in Aconex to join Assystem Stup's team. The ideal candidate should have 58 years of experience in implementing and optimizing Aconex for large-scale engineering and construction projects.

Hazards Engineer

Company: Assystem

Location: Hartford, CT

Posted Sep 10, 2024

Assystem is a global leader in nuclear projects, seeking a Hazards Engineer to join their innovative team. The role involves ensuring the safety and integrity of nuclear facilities by producing and updating Hazard Verification Studies. The company values diversity and promotes equal treatment of candidates.

Principal Network Engineer

Company: Assystem

Location: Other US Location

Posted Sep 09, 2024

Assystem is a company that accelerates the energy transition worldwide by combining engineering expertise and digital technologies. They are committed to innovation and diversity, and offer opportunities for continuous learning and career development.

Senior Planner

Company: Assystem

Location: Other US Location

Posted Sep 10, 2024

Assystem is a leading provider of project management services, committed to supporting the UK's energy transition. They are recruiting for a Senior Planner to join their London office, with responsibilities including project planning, cost and risk assessments, and programme management.

Frequently Asked Questions

What is it like to work at Assystem?
Working at Assystem means joining a culture that values innovation, teamwork, and continuous learning. Employees report collaborative project environments, exposure to cutting‑edge technologies, and opportunities to work on high‑impact missions across aerospace, defense, and energy sectors. The company offers flexible work arrangements, professional development programs, and a transparent performance review process.
What types of positions are available at Assystem?
Assystem hires across a spectrum of technical and managerial roles, including Systems Engineer, Software Engineer, Simulation Engineer, Data Scientist, Cybersecurity Engineer, Project Manager, R&D Specialist, and Quality Assurance Analyst. Each role requires strong analytical skills, proficiency in relevant simulation or programming tools, and a passion for solving complex engineering challenges.
How can I stand out as an applicant for Assystem?
To differentiate yourself, tailor your resume to highlight specific projects that demonstrate expertise in simulation, embedded systems, or digital twins. Include metrics that show performance improvements, such as reduced simulation run time or increased system reliability. Showcase certifications (e.g., Certified Systems Engineering Professional, SAP or MATLAB certifications) and provide a portfolio or GitHub link that illustrates hands‑on experience with the tools used at Assystem. Finally, articulate your ability to collaborate across multidisciplinary teams and your commitment to continuous learning.

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