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Open nowPosted 184 days ago

Senior Mechanical Design Engineer

Workable (global search)108,016 open roles

Where
Athens, Attica, Greece
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Your applicationOpen nowSenior Mechanical Design EngineerWorkable (global search) · Athens, Attica, Greece

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Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 184 days ago

Workable (global search) median: 7 days open

The posting

At Sunlight Group, we are shaping the future of energy storage for industrial and advanced technology applications, driven by a strong passion for performance and continuous improvement. Guided by our vision of transforming energy storage solutions to power a sustainable tomorrow, we operate with a deep sense of environmental responsibility and a culture rooted in openness and respect. By leveraging data and insights, we deliver innovative, customer-focused solutions that support our mission of driving an all-electric future through high-quality, cutting-edge technologies. Embracing an entrepreneurial spirit, we foster an agile and collaborative environment where our people are empowered to grow, contribute, and reach their full potential.

We are looking for an Senior Mechanical Design Engineer to join our R&D team developing Lithium-ion battery systems for industrial applications. In this role, you will lead mechanical design activities, guide and mentor junior engineers, and ensure that new battery products meet the highest standards of performance, manufacturability, and quality.

You will collaborate closely with electrical engineering, industrialization, quality, and testing teams to deliver robust and innovative solutions for battery packs, modules, and mechanical sub-systems.

  • Lead the design of parts, assemblies, and sub-systems using 3D/2D CAD tools (injection molded enclosures, sheet metal, HPDC castings etc.)
  • Define and validate system architecture and packaging concepts for battery packs
  • Drive product feasibility, mechanical integration, and spatial optimization
  • Ensure proper application of DFM (Design for Manufacturing) and DFA guidelines
  • Perform engineering analysis including stress, strain, structural integrity, and tolerance evaluation
  • Validate design assumptions and make data-driven decisions
  • Create and review technical documentation, drawings, and design releases
  • Own engineering change requests (ECP) and ensure accurate BOM structures (CAD & ERP/SAP)
  • Work with Industrialization to ensure a smooth transition to production
  • Provide technical input to Quality, Testing, and Product Management
  • Lead DFMEA sessions and contribute to risk-mitigation actions
  • Support prototype builds, testing campaigns, and root cause analysis
  • Guide and support junior and mid-level mechanical engineers
  • Review designs, documentation, and analysis produced by the team

Requirements

  • Bachelor’s or Master’s degree in Mechanical Engineering (or related field)
  • At least 5 years of experience in mechanical design, preferably in energy storage, automotive, industrial equipment, or electro-mechanical systems
  • Strong CAD proficiency (SolidWorks, Inventor, or equivalent)
  • Experience with manufacturing processes: sheet metal, machining, castings, and plastics
  • Experience with high-voltage battery systems or power electronics enclosures, is considered a plus
  • Familiarity with SAP or PLM systems for BOM and lifecycle management, is considered a plus
  • Experience in DFMEA and structured problem solving, is considered a plus
  • Good understanding of thermal management and sealing (IP ratings), is considered a plus
  • Strong communication and cross-functional collaboration skills
  • Ability to lead projects and mentor team members
  • Proactive, structured, and solution-oriented mindset
  • Comfortable working in fast-paced, development-driven environments
  • Excellent written and verbal knowledge of English. Knowledge of an additional language is a plus

Benefits

To start with, we give you the opportunity to thrive in a restless team and grow your potential in an innovative environment. As per your compensation and rewards package, this is a preview:

💸 Competitive salary package and bonus scheme

👩‍⚕️ Health and life insurance for you and your family

🧘🏻 Employee wellness program & initiatives

📚 Continuous training opportunities

⭐ Developmental feedback framework & career path

✈️ International mobility opportunities

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