Senior Mechanical Design Engineer

Senior Mechanical Design Engineer Posting Date: 10 Nov 2026 City: Santiago Location: Santiago, CL, 8320000 Contract Type: Permanent Division: Plant Engineering Level of experience: Senior RINA is a global knowledge company where expertise travels across borders, disciplines, and industries. Every day, we collaborate on solving complex challenges that no single field could tackle alone. With a presence in more than 70 countries and 160 years of heritage, we turn individual know-how into collective progress. We are currently recruiting for a Senior Mechanical Design Engineer to join our office in Santiago within the Plant Engineering Division.

Mission

The Senior Mechanical Design Engineer develops and delivers robust mechanical design solutions for industrial plants and energy systems, ensuring compliance with project requirements, international standards, and client specifications. The role leads complex design activities across project phases, provides technical guidance to engineers and designers, coordinates interfaces with other disciplines, and supports procurement, vendors, construction, and commissioning while maintaining quality, cost, and schedule objectives. The Senior Mechanical Design Engineer support the execution of the Customer's Third Party Engineering contract by reviewing and validating mechanical engineering designs associated with mining and industrial facilities.

Key Accountabilities

Design Leadership & Technical Delivery

• Leads complex mechanical design activities and coordinates the preparation of specifications, datasheets, technical requisitions, calculations, drawings, and bills of materials.
• Reviews project requirements, process data, and client specifications to establish complete and reliable design inputs.
• Checks and approves routine discipline deliverables and supports the Principal Engineer in the approval of critical documents.
• Plans assigned engineering activities, monitors progress, and identifies technical or schedule risks.
• Review equipment specifications and mechanical designs.
• Evaluate rotating and static equipment selection.
• Support constructability reviews.

Design Verification & Engineering Assurance

• Performs and verifies advanced calculations for pressure vessels, mechanical strength, thermal expansion, rotating equipment, and related systems.
• Conducts peer reviews and ensures compliance with applicable codes and standards, including ASME, EN, API, ISO, and NFPA.
• Leads technical assessments and root cause analyses and develops practical corrective actions for design issues.
• Supports HSE reviews, audits, HAZOP, IPF, and Safety Critical Element workshops.
• Prepare technical comments and recommendations.

Vendor & Client Coordination

• Prepares technical inquiry packages, performs technical bid evaluations, and provides recommendations for vendor selection.
• Reviews vendor drawings and documentation, resolves technical clarifications, and monitors post-order deliverables.
• Participates in client meetings, kick-off meetings, pre-inspection meetings, inspections, testing, and site surveys.
• Escalates critical or commercially sensitive issues to the Principal Engineer or Project Engineering Manager.

Interdisciplinary & Team Coordination

• Coordinates with process, piping, electrical, instrumentation, and civil disciplines to ensure integrated mechanical solutions.
• Guides junior engineers and designers, reviews their work, and supports their technical development.
• Leads discipline coordination meetings and contributes to design, model, constructability, and project reviews.
• Participate in multidisciplinary engineering reviews.

Quality & Continuous Improvement

• Ensures compliance with company quality, HSE, document-control, and regulatory requirements.
• Contributes to standardization of calculations, templates, tools, and design methods.
• Captures lessons learned and promotes consistent application of engineering best practices.

Requirements

• Minimum 10 years of experience in mechanical design for industrial plants, energy systems, or complex engineering environments.
• Strong knowledge of international mechanical design codes and standards, including ASME VIII, EN 13445, API, ISO, and NFPA20.
• Advanced proficiency in engineering calculation and design software such as Mathcad, ANSYS, SolidWorks, BIM 360 and AutoCAD.
• Demonstrated experience leading complex design packages and coordinating multidisciplinary interfaces.
• Experience with technical bid evaluations, vendor documentation, inspections, testing, and client coordination.
• Experience with material handling, pumping systems, rotating equipment and plant infrastructure.
• Ability to mentor junior engineers and provide clear technical guidance.
• Strong analytical, problem-solving, technical writing, negotiation, and communication skills.
• Good command of English and ability to work effectively in international project teams.
• AutoCAD.
• Navisworks (preferred).
• BIM 360 (preferred).
• Microsoft Office Suite.
• Power BI (preferred).
• Advanced Spanish and English skills.

Competencies

• DOMAIN & BUSINESS ACUMEN - Applying a scientific approach and critical thinking in operations and solution development within area of expertise.
• INTERPERSONAL INFLUENCE - Skills and strategies we use to interact effectively with others.
• WORKPLACE DYNAMICS - Resourcefulness in shaping progress and working efficiently.
• FORESIGHT & INSIGHT - Context awareness adopting a systemic perspective and informed decision making.
• PERSONAL EMPOWERMENT - Ownership for life, work and results, striving to grow professionally and personally.

At RINA, your growth drives our innovation. We bring together engineers, inspectors, digital minds and specialists from more than 100 nationalities, creating an environment where diverse perspectives sharpen how we think, collaborate and deliver. Flexibility and respect drive how we work. We are committed to building a workplace where every person feels valued and empowered to develop their potential. RINA provides equal employment opportunities and does not discriminate on any basis. We are compliant with Italian Law n. 68/99.