Principal Designer, Mask Design Engineering • Memory Technology

📍 Job Overview

Job Title: Principal Designer, Mask Design Engineering • Memory Technology

Company: Sandisk

Location: Seoul, South Korea

Job Type: Full-time

Category: Mask Design Engineering / Memory Technology

Date Posted: May 18, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Lead critical mask design engineering activities within Sandisk's advanced Memory Technology division, focusing on innovation and high-impact solutions.

• Drive module layout design for essential peripheral circuits, including OPAMP, PUMP, and Regulator components, ensuring optimal performance and efficiency.

• Collaborate effectively with diverse, global engineering teams to facilitate seamless and successful tape-outs, a crucial element in semiconductor product development.

• Proactively identify and propose innovative solutions to complex layout challenges and areas for process optimization, demonstrating a commitment to continuous improvement.

• Leverage extensive expertise in IC layout, verification, and quality assurance to uphold the highest standards of design integrity and product reliability.

📝 Enhancement Note: The role is described as "Principal Designer," indicating a senior-level position requiring significant technical expertise and potentially some leadership or mentorship responsibilities. The focus on "Memory Technology" and "Mask Design Engineering" places this role squarely within the semiconductor industry, specifically in the physical design aspect of integrated circuit development. The mention of "4IR innovations" in the company description suggests a forward-thinking environment embracing advanced manufacturing technologies.

📈 Primary Responsibilities

• Execute detailed module layout design for peripheral circuits such as OPAMP, PUMP, and Regulator, adhering to stringent performance, power, and area (PPA) targets.

• Engage in cross-functional collaboration with global teams, including circuit designers, process engineers, and verification engineers, to ensure timely and successful tape-outs.

• Develop and implement advanced layout techniques for standard cells, block layouts, and floor planning to optimize signal integrity and routability.

• Perform rigorous layout quality checks, including Design Rule Checks (DRC) and Layout Versus Schematic (LVS), using industry-standard tools to guarantee design correctness.

• Actively contribute to the refinement and automation of layout processes, exploring and implementing tools and methodologies to enhance efficiency and reduce turnaround time.

• Mentor junior engineers on best practices in layout design, verification, and tool usage, fostering a culture of knowledge sharing and skill development within the team.

• Analyze and resolve complex layout issues that arise during the design cycle, providing clear explanations and effective solutions to stakeholders.

• Stay abreast of the latest advancements in semiconductor technology, layout methodologies, and EDA tools relevant to memory and peripheral circuit design.

📝 Enhancement Note: The responsibilities listed are inferred from the "core responsibilities" and "qualifications" sections, with added detail to reflect a "Principal Designer" level. Emphasis is placed on collaboration, problem-solving, and process improvement, which are critical for senior operations and engineering roles. The inclusion of mentorship and staying updated on technology trends is also typical for principal-level positions.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or a related field is typically expected for a Principal Designer role in this industry.

Experience: Minimum of 5+ years of hands-on experience in IC layout design, with a strong preference for candidates with 5-10 years of experience.

Required Skills:

• Proven expertise in IC layout design environments.

• Proficiency with Cadence Virtuoso Layout Editor for schematic-driven layout and custom layout creation.

• Extensive experience with Calibre DRC for ensuring design rule compliance.

• Strong command of Synopsys LVS for verifying layout against circuit schematics.

• Demonstrated ability in Layout Quality Check procedures and methodologies.

• Experience with module layout design for peripheral circuits (e.g., OPAMP, PUMP, Regulator).

Preferred Skills:

• Fluency in English for effective communication with global teams.

• Knowledge and practical experience with Layout Automation techniques and scripting (e.g., SKILL, Python).

• Experience in a management or leading role, guiding design teams or projects.

• Familiarity with memory technology specific layout considerations.

• Understanding of 4IR innovations and their application in manufacturing.

📝 Enhancement Note: The "Nice to have" section has been expanded and categorized into "Preferred Skills" to provide a clearer distinction. English language skills are highlighted as preferred due to the global nature of the role. Layout automation and leadership experience are critical differentiators for a Principal Designer. The education requirement is inferred based on industry standards for such senior engineering positions.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio showcasing a range of IC layout projects, with a focus on peripheral circuits and memory technology applications.

• Detailed case studies demonstrating successful module layout designs for OPAMP, PUMP, or Regulator circuits, including key design challenges and resolutions.

• Examples of block layout, floor planning, and signal planning strategies, highlighting efficiency and performance optimization.

• Documentation of your experience with layout quality checks, including DRC and LVS reports, illustrating a commitment to design integrity.

Process Documentation:

• Demonstrations of your process for performing layout quality checks and verification, including specific tools and methodologies used.

• Examples of how you have documented layout design flows and procedures to ensure consistency and facilitate knowledge transfer.

• Case studies detailing instances where you identified opportunities for layout process improvement or automation and the resulting impact.

• Documentation of your collaborative process when working with global teams, including communication strategies and issue resolution methods.

📝 Enhancement Note: Given the "Principal Designer" title and the nature of mask design engineering, a strong portfolio is essential. The requirements are tailored to showcase practical application of skills in layout design, verification, and process optimization, with an emphasis on tangible results and collaborative capabilities.

💵 Compensation & Benefits

Salary Range: For a Principal Designer, Mask Design Engineering role in Seoul, South Korea, with 5-10 years of experience, the estimated annual salary range is approximately ₩100,000,000 to ₩150,000,000 KRW. This range is based on Sandisk's standing as a significant player in the semiconductor industry, the specialized nature of memory technology, and typical compensation benchmarks for senior engineering roles in Seoul, considering the cost of living and market demand.

Benefits:

• Comprehensive health insurance coverage for employees and potentially dependents.

• Retirement savings plan (e.g., pension contributions) in line with South Korean labor laws.

• Paid time off, including annual leave, sick leave, and public holidays.

• Opportunities for professional development, including training programs, workshops, and conference attendance.

• Access to Sandisk's advanced technology and state-of-the-art facilities.

• Potential for performance-based bonuses and stock options, reflecting the "Principal" level.

• Relocation assistance may be available for candidates moving to Seoul.

Working Hours: Standard working hours are typically 40 hours per week, with potential for overtime depending on project demands and tape-out schedules. Flexibility may be offered, but the on-site nature of the role suggests a structured work environment.

📝 Enhancement Note: Salary range is an estimation based on industry standards for a Principal Engineer in Seoul, South Korea. Benefits are inferred based on typical offerings for large technology companies in developed markets, with specific considerations for South Korean labor laws.

🎯 Team & Company Context

🏢 Company Culture

Industry: The company operates in the Semiconductor and Memory Technology industry, a highly competitive and innovation-driven sector. Sandisk, as part of this industry, is known for its advancements in Flash and advanced memory solutions, contributing significantly to the global digital infrastructure. The mention of "4IR innovations" and "Sustainability Lighthouses" indicates a strong focus on advanced manufacturing, automation, and environmentally conscious operations.

Company Size: Sandisk is a substantial global organization, likely employing thousands of individuals worldwide. This size suggests a well-established infrastructure, robust processes, and diverse career opportunities. For operations professionals, a large company often means structured career paths, specialized teams, and access to extensive resources.

Founded: Sandisk has a rich history of innovation in Flash and advanced memory technologies. This long-standing presence implies a deep understanding of the market, a culture of perseverance, and a commitment to long-term technological development.

Team Structure:

• The Mask Design Engineering team in Seoul likely comprises specialized engineers focused on different aspects of physical design for memory and peripheral circuits.

• The team operates within a broader engineering organization, with clear reporting lines to engineering management.

Methodology:

• Data-driven decision-making is paramount, with a strong emphasis on rigorous design verification and quality checks.

• Process optimization and automation are likely key initiatives, driven by the need for efficiency and accuracy in semiconductor manufacturing.

• A collaborative approach to problem-solving is essential, involving cross-functional teams to address complex technical challenges.

Company Website: https://www.sandisk.com/

📝 Enhancement Note: Company context is primarily derived from the provided description, emphasizing Sandisk's role in memory technology, its commitment to innovation (4IR, Lighthouses), and its global presence. This context helps frame the expectations for operations and engineering roles within the organization.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as "Principal Designer," signifying a senior individual contributor position. It demands deep technical expertise, a proven track record of successful project execution, and the ability to influence design strategy and mentor junior engineers. The scope of responsibility extends to critical aspects of mask design that directly impact product performance and manufacturability.

Reporting Structure: The Principal Designer will likely report to a Mask Design Engineering Manager or a Senior Director of Engineering. They will work within a team of other designers and engineers, collaborating closely with circuit design leads and other functional groups. The role involves significant interaction with global counterparts, suggesting a matrixed reporting or project-based collaboration structure.

Operations Impact: The work of a Principal Designer directly impacts the manufacturability, performance, and reliability of Sandisk's memory technology products. Successful mask design engineering is critical for achieving optimal yields, meeting performance targets, and enabling the cost-effective production of advanced semiconductor devices. This role is foundational to the company's ability to deliver cutting-edge memory solutions to the market.

Growth Opportunities:

• Technical Specialization: Opportunity to deepen expertise in advanced memory technologies, specific circuit types (OPAMP, PUMP, Regulator), or cutting-edge layout techniques.

• Leadership Development: Potential to transition into team lead or management roles, guiding design projects and mentoring junior engineers more formally.

• Cross-Functional Exposure: Opportunity to gain broader experience by working with different engineering disciplines and understanding the entire semiconductor product development lifecycle.

• Innovation Contribution: Chance to contribute to the development of new layout methodologies, automation tools, or intellectual property for Sandisk.

📝 Enhancement Note: The career analysis focuses on the "Principal Designer" title's implications for responsibility, impact, and growth within the semiconductor industry context. The emphasis is on technical depth, mentorship, and strategic influence.

🌐 Work Environment

Office Type: The role is based in a physical office in Seoul, South Korea, indicating an on-site work arrangement. This environment is typical for semiconductor design, where access to specialized hardware, secure development environments, and close team collaboration is crucial.

Office Location(s): The primary work location is the Seoul Office (LOC_WDT_KR1101), a key hub for Sandisk's operations in South Korea. This location likely offers state-of-the-art facilities and a supportive infrastructure for engineering professionals.

Workspace Context:

• The workspace is expected to be a professional, collaborative engineering office environment.

• Access to high-performance workstations and specialized EDA (Electronic Design Automation) software is standard.

• Opportunities for direct, in-person interaction with colleagues, managers, and cross-functional team members will be frequent.

• The environment likely fosters a culture of innovation, problem-solving, and continuous learning, typical of leading technology firms.

Work Schedule: The standard work schedule is 40 hours per week, with the expectation of flexibility to meet project deadlines, especially around tape-out cycles. This may involve occasional extended hours or weekend work during critical phases of design sprints.

📝 Enhancement Note: The "Work Environment" section is built around the "On-site" work arrangement and the specific location in Seoul, South Korea. It extrapolates typical conditions for a senior engineering role in a global tech company's office.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and qualifications by HR or a technical recruiter to assess basic eligibility and experience.

• Technical Interview(s): Multiple rounds of interviews with engineering managers and senior designers. These will focus on your IC layout skills, experience with specific tools (Virtuoso, Calibre, Synopsys), problem-solving abilities, and understanding of memory technology designs. Expect scenario-based questions and discussions about your past projects.

• Portfolio Review: A dedicated session where you will present selected projects from your portfolio. Be prepared to walk through your design choices, challenges faced, solutions implemented, and the impact of your work on performance and manufacturability.

• Cultural Fit/Behavioral Interview: Questions designed to assess your collaboration style, communication skills, leadership potential, and how you align with Sandisk's values.

• Final Interview: May involve senior leadership to discuss your overall fit and potential contributions to the team and company strategy.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your most impactful projects. Prioritize those demonstrating expertise in peripheral circuit layout (OPAMP, PUMP, Regulator), standard cell/block layout, and successful tape-outs.

• Quantify Impact: For each project, clearly articulate the problem, your solution, and the measurable results (e.g., improved performance by X%, reduced PPA by Y%, successful tape-out on schedule).

• Detail Your Role: Be specific about your contributions, especially if you led or mentored others. Highlight your problem-solving process and decision-making rationale.

• Tool Proficiency: Be ready to discuss your command of Virtuoso, Calibre DRC, and Synopsys LVS, and how you leverage them for efficient and accurate layout.

• Storytelling: Frame your project presentations as compelling narratives. Start with the challenge, explain your methodical approach, detail the technical solutions, and conclude with the successful outcome and lessons learned.

Challenge Preparation:

• Layout Scenarios: Be prepared for hypothetical layout problems or design optimization challenges. Practice thinking through design rules, performance constraints, and power considerations.

• Tool Application: Consider how you would approach a specific layout task using Virtuoso, or how you would debug a DRC/LVS issue using Calibre/Synopsys.

• Collaboration Scenarios: Prepare examples of how you have worked effectively with global teams, resolved design conflicts, or communicated technical information to non-experts.

📝 Enhancement Note: This section provides actionable advice tailored to a "Principal Designer" role in mask design engineering. It emphasizes the critical importance of a strong, well-documented portfolio and practical application of skills during interviews.

🛠 Tools & Technology Stack

Primary Tools:

• Cadence Virtuoso Layout Editor: The core tool for custom IC layout design. Proficiency is essential for creating, editing, and verifying physical layouts.

• Calibre (Mentor Graphics/Siemens EDA): Industry-standard tool for Design Rule Checking (DRC), Layout Versus Schematic (LVS), and other physical verification tasks.

• Synopsys LVS: Another critical tool for verifying the electrical connectivity of layout against the circuit schematic.

• SKILL/Python Scripting: For automating repetitive layout tasks, generating layout structures, and improving design efficiency.

Analytics & Reporting:

• While not direct "operations" tools, understanding how layout impacts silicon performance is key. This involves familiarity with:
  • Timing Analysis Tools: For understanding the impact of layout on signal delays.
  • Power Analysis Tools: For assessing power consumption influenced by layout.
  • DRC/LVS Reporting Tools: For managing and analyzing verification results.

CRM & Automation:

• This role is less about CRM and more about design automation and project management tools.
  • Version Control Systems (e.g., Git, Perforce): For managing design files and tracking changes.
  • Project Management Software: Used by teams for task tracking and collaboration (specifics would vary).
  • EDA Vendor Cloud Platforms: Potentially used for distributed design workflows or cloud-based verification.

📝 Enhancement Note: The tools listed are directly derived from the job description's requirements ("Virtuoso layout editor," "Calibre DRC," "Synopsys LVS") and common industry practices for mask design engineering. The focus is on the specific EDA tools critical for this role.

👥 Team Culture & Values

Operations Values:

• Innovation: A strong drive to push the boundaries of memory technology and layout design, embracing new methodologies and tools.

• Excellence: A commitment to high-quality design, rigorous verification, and achieving superior performance and manufacturability.

• Collaboration: A culture of teamwork and open communication, working effectively across global teams and disciplines to achieve common goals.

• Continuous Improvement: An ongoing effort to refine processes, automate tasks, and enhance efficiency in the design workflow.

• Integrity: Upholding the highest ethical standards in design practices and data management.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration with circuit designers, process engineers, and verification teams is critical. This involves active participation in design reviews, prompt issue resolution, and clear technical communication.

• Global Teamwork: Effective use of communication tools and strategies to work with engineers in different time zones and cultures, fostering a unified approach to design.

• Knowledge Sharing: A willingness to share expertise, mentor junior colleagues, and contribute to a collective learning environment within the design team.

📝 Enhancement Note: Values and collaboration style are inferred from Sandisk's company description (innovation, global reach, 4IR) and the nature of a "Principal Designer" role in a high-tech, collaborative environment.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Design Constraints: Balancing demanding performance, power, and area (PPA) targets with stringent design rules for advanced memory technologies.

• Global Team Coordination: Effectively collaborating with distributed teams across different time zones and cultures to ensure seamless project execution and timely tape-outs.

• Rapid Technological Advancement: Keeping pace with the ever-evolving semiconductor technology landscape, new EDA tools, and advanced layout methodologies.

• Process Optimization: Identifying and implementing improvements to existing layout processes to enhance efficiency, reduce errors, and shorten design cycles.

Learning & Development Opportunities:

• Advanced Memory Architectures: Deepen understanding of cutting-edge memory technologies and their unique layout requirements.

• Automation & Scripting: Develop advanced skills in layout automation using scripting languages like SKILL or Python to streamline workflows.

• Leadership and Mentorship: Grow into a leadership role, guiding junior engineers, and contributing to the strategic direction of the mask design team.

• Industry Conferences & Training: Participate in leading industry events and specialized training courses to stay at the forefront of mask design engineering.

📝 Enhancement Note: Challenges and growth opportunities are framed around the specific technical demands of the role and the semiconductor industry, with an emphasis on continuous learning and career progression.

💡 Interview Preparation

Strategy Questions:

• "Describe a particularly challenging module layout you designed for a peripheral circuit (e.g., OPAMP, PUMP, Regulator). What were the key constraints and how did you overcome them?" (Focus on your problem-solving process, technical decisions, and results.)

• "How do you ensure the quality and correctness of your IC layouts, especially when working with global teams? Walk me through your verification process." (Highlight your use of Calibre, Synopsys, and internal quality checks.)

Company & Culture Questions:

• "What interests you about Sandisk and our Memory Technology division?" (Research Sandisk's recent innovations, market position, and values.)

• "How do you approach collaboration with circuit designers and engineers in different geographical locations?" (Provide examples of effective communication and conflict resolution.)

Portfolio Presentation Strategy:

• Structure: For each project, use a clear Problem-Solution-Result framework.

• Visuals: Use clear diagrams, screenshots of layouts, and comparison charts (e.g., performance metrics before/after optimization).

• Quantify: Emphasize metrics and measurable improvements.

• Role Clarity: Clearly define your specific contributions and responsibilities.

• Tool Context: Explain how you leveraged specific tools (Virtuoso, Calibre, Synopsys) to achieve results.

📝 Enhancement Note: Interview preparation advice is tailored to the specific technical requirements of a Principal Designer in mask design, focusing on real-world scenarios, tool proficiency, and collaborative skills.

📌 Application Steps

To apply for this Mask Design Engineering position:

• Submit your application through the provided link on jobs.smartrecruiters.com.

• Tailor your Resume: Emphasize your 5+ years of IC layout experience, highlighting specific projects involving peripheral circuits, standard cells, block layouts, and successful tape-outs. Use keywords like "Virtuoso," "Calibre DRC," "Synopsys LVS," and "Layout Automation."

• Prepare Your Portfolio: Curate 3-5 impactful projects that showcase your expertise. Be ready to present detailed case studies with quantifiable results, clearly outlining your role and the technical challenges you addressed.

• Practice Interview Responses: Rehearse answers to common technical and behavioral questions, focusing on your problem-solving approach, tool proficiency, and collaborative abilities. Prepare to discuss your experience with global teams and process optimization.

• Research Sandisk: Understand Sandisk's position in the memory technology market, its commitment to innovation (4IR), and its company culture. This will help you articulate your interest and cultural fit.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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