Senior Engineer, Systems Design – Systems Integration & Test

📍 Job Overview

Job Title: Senior Engineer, Systems Design – Systems Integration & Test

Company: Thermo Fisher Scientific

Location: Singapore, Singapore

Job Type: Full time

Category: Systems Engineering / Integration & Test

Date Posted: 2026-08-25

Experience Level: 5+ years

Remote Status: On-site

🚀 Role Summary

• Lead and execute comprehensive system integration activities for complex life-science instrumentation.

• Conduct hands-on engineering testing and troubleshooting to ensure robust system performance and stability.

• Drive structured root-cause investigations to identify and resolve integration challenges across multidisciplinary subsystems.

• Develop and implement effective test methodologies and acceptance criteria based on technical risks and system requirements.

• Collaborate closely with cross-functional teams to ensure seamless product development and lifecycle support.

📝 Enhancement Note: This role is positioned as a Senior Engineer, indicating a need for demonstrated leadership in technical problem-solving and integration strategies. The emphasis on "hands-on" work and "systems thinking" suggests a practical, analytical approach to engineering challenges within a product development lifecycle. The company's focus on life-science instrumentation implies a high level of precision, reliability, and regulatory consideration.

📈 Primary Responsibilities

• Spearhead system integration efforts, bringing together hardware, software, firmware, mechanical, electrical, optical, and fluidic subsystems into cohesive, functional configurations.

• Execute rigorous hands-on engineering tests on instruments, prototypes, and subsystems to validate feasibility, proof-of-concept, and integration checkout.

• Systematically evaluate subsystem interfaces and interactions, proactively identifying potential issues related to timing, performance, configuration, and cross-subsystem dependencies.

• Lead structured troubleshooting initiatives, accurately reproducing, isolating, and characterizing integration issues, and coordinating resolution with relevant technical stakeholders.

• Develop and refine engineering test plans, methods, and acceptance criteria, ensuring adequate coverage based on identified technical risks and expected system behavior.

• Analyze experimental and test data using advanced engineering, statistical, and data analysis techniques, translating findings into actionable conclusions and technical recommendations.

• Support feasibility studies and proof-of-concept experiments to assess new technologies, design concepts, and critical interface assumptions.

• Identify and assess system-level and integration risks, contributing to risk mitigation strategies and conducting integration-impact assessments for sustaining design changes.

• Maintain meticulous records of system configurations, test results, open issues, known limitations, and residual risks, facilitating smooth handoffs to verification, validation, and manufacturing teams.

• Foster strong collaborative relationships with Systems Engineering, technical leads, subsystem designers, Hardware/Software/Embedded Test, V&V, Quality, Regulatory, Manufacturing, and Service teams.

📝 Enhancement Note: The responsibilities highlight a critical role in bridging the gap between subsystem development and final product realization. The emphasis on "hands-on engineering testing" and "structured troubleshooting" suggests a need for practical problem-solving skills alongside theoretical knowledge. The requirement to "evaluate subsystem interfaces" points to a deep understanding of how different engineering disciplines interact within a complex system.

🎓 Skills & Qualifications

Education: Bachelor's degree or higher in Mechanical, Electrical, Electronics, Biomedical, Bioengineering, or a related engineering/scientific discipline.

Experience: Typically 5+ years of experience in systems engineering, integration engineering, design engineering, test engineering, or multidisciplinary product development.

Required Skills:

• Demonstrated hands-on engineering and test experience with physical products, prototypes, laboratory equipment, instruments, or complex electromechanical systems.

• Strong systems thinking capabilities, with a proven ability to understand interactions, dependencies, and failure mechanisms across multiple engineering disciplines.

• Solid foundation in test engineering principles, including experimental design, test-method development, data collection, data analysis, statistical interpretation, troubleshooting, and technical documentation.

• Proven analytical and problem-solving skills, including structured root-cause analysis and technical risk assessment.

• Working knowledge of product development and systems engineering practices, such as requirements definition, interface control, traceability, design controls, and verification concepts.

• Effective communication skills for conveying technical findings clearly and collaborating with multidisciplinary, cross-functional teams. Preferred Skills:

• Direct experience in systems integration.

• Experience with thermal design, thermal analysis, or thermal testing.

• Previous experience developing or testing life-science, laboratory, analytical, or medical instrumentation.

• Familiarity with PCR, cell and gene therapy, imaging, or related technologies.

📝 Enhancement Note: The requirement for a Bachelor's degree in a specific engineering field, coupled with 5+ years of experience, positions this as a mid-to-senior level role. The emphasis on "hands-on" and "systems thinking" differentiates it from purely theoretical systems engineering roles, requiring a practical, experimental approach. The preferred skills indicate specific areas of expertise that would be advantageous, particularly in life sciences instrumentation.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Documented examples of complex system integration projects, detailing the subsystems involved and the integration strategy employed.

• Case studies showcasing hands-on testing scenarios, including test setup, execution, data analysis, and conclusions drawn.

• Demonstrations of structured troubleshooting processes, illustrating root-cause analysis methodologies and problem-solving approaches.

• Evidence of contributions to test-method development, experimental design, and the establishment of acceptance criteria.

• Examples of technical documentation, including test reports, design documentation, and risk assessments. Process Documentation:

• Workflow designs and optimization strategies for integrating diverse engineering subsystems.

• Implementation and automation methods for testing procedures and data acquisition.

• Measurement and performance analysis reports, highlighting how data informed system improvements.

• Documentation of risk assessment and mitigation strategies for integration challenges.

📝 Enhancement Note: Candidates are expected to provide tangible proof of their systems integration and testing capabilities. The portfolio should not only showcase completed projects but also the systematic approach and problem-solving methodologies employed. This is crucial for demonstrating the ability to handle the complexities of life-science instrumentation.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a Senior Systems Integration & Test Engineer in Singapore with 5+ years of experience in the technology/instrumentation sector, the estimated annual salary range is SGD 90,000 - SGD 130,000. This range accounts for the specific technical demands, responsibility level, and cost of living in Singapore.

Benefits:

• Comprehensive health insurance coverage (medical, dental, vision).

• Generous paid time off (vacation, sick leave, public holidays).

• Retirement savings plan (e.g., CPF contributions).

• Professional development opportunities, including training programs and conference attendance.

• Opportunities for career advancement within a global organization.

• Potential for performance-based bonuses.

• Employee assistance programs.

Working Hours: Standard working hours are Monday to Friday, typically 40 hours per week. Flexibility may be available depending on project needs and team agreements, but the role is primarily on-site.

📝 Enhancement Note: Salary estimation is based on aggregated data from reputable salary survey providers for engineering roles in Singapore, adjusted for the specific seniority and technical focus of a Systems Integration & Test Engineer within the life sciences instrumentation industry. Benefits are standard for a multinational corporation of Thermo Fisher Scientific's caliber.

🎯 Team & Company Context

🏢 Company Culture

Industry: Biotechnology / Life Sciences Instrumentation / Scientific Research Equipment. Thermo Fisher Scientific is a global leader providing essential products and services that enable their customers to make the world healthier, cleaner, and safer. The company operates at the intersection of scientific discovery, technological innovation, and critical industry needs.

Company Size: Thermo Fisher Scientific is a large, multinational corporation, employing over 125,000 people worldwide. This scale offers extensive resources, global reach, and diverse career opportunities.

Founded: Thermo Fisher Scientific was founded in 2006 through the merger of Thermo Electron and Fisher Scientific. Its history is built on decades of innovation and acquisitions by its predecessor companies, establishing a legacy of scientific advancement and market leadership.

Team Structure:

• The Systems Integration & Test team likely comprises experienced engineers with diverse specializations (e.g., mechanical, electrical, software, firmware).

• Reporting structures are typically hierarchical, with Senior Engineers often leading specific project integration efforts or mentoring junior team members.

• Close collaboration is expected with R&D, product development, hardware/software design teams, Quality Assurance, Manufacturing, and Service departments. Methodology:

• Data-driven decision-making is paramount, utilizing rigorous engineering analysis and statistical methods.

• Emphasis on structured processes for system integration, testing, and troubleshooting, adhering to quality and regulatory standards.

• Continuous improvement and innovation are encouraged, with a focus on efficiency and reliability in product development.

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

📝 Enhancement Note: Thermo Fisher Scientific's culture is characterized by a commitment to science, innovation, and customer success. For an operations-focused role like this, it implies a strong emphasis on quality, precision, and adherence to rigorous development processes. The company's large size suggests a structured environment with clear career paths and opportunities for global collaboration.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Engineer role, signifying a level of expertise and experience beyond entry-level or mid-level positions. It involves taking ownership of complex integration and testing challenges, potentially mentoring junior engineers, and contributing significantly to the technical direction of projects. The scope includes not just execution but also strategic planning of integration and test approaches.

Reporting Structure: The Senior Engineer will likely report to a Systems Engineering Manager or a lead engineer for a specific product line. They will work closely with technical leads of various subsystem teams and collaborate extensively with cross-functional stakeholders.

Operations Impact: This role directly impacts the success of new and existing life-science instrumentation by ensuring systems are robust, reliable, and meet performance specifications. Successful integration and testing are critical for product quality, customer satisfaction, regulatory compliance, and ultimately, revenue generation and market leadership for Thermo Fisher Scientific.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific areas of systems integration, testing methodologies, or emerging technologies relevant to life-science instrumentation (e.g., advanced thermal management, complex fluidics, high-speed data acquisition).

• Leadership Development: Progress into roles with increased project leadership, team management, or technical architect responsibilities within Systems Engineering or related disciplines.

• Cross-Functional Mobility: Opportunities to move into roles in R&D, product management, advanced manufacturing engineering, or quality assurance, leveraging a strong understanding of the product lifecycle.

• Global Exposure: Participate in projects with international teams, potentially leading to international assignments or collaborations.

📝 Enhancement Note: The "Senior" title implies a pathway for growth both technically and managerially. The role is positioned to contribute significantly to product success, offering opportunities to develop specialized skills or transition into broader engineering leadership roles within a large, global organization.

🌐 Work Environment

Office Type: The role involves a hybrid work environment, with significant time spent in a laboratory setting for hands-on testing and prototype work, as well as in an office environment for design discussions, data analysis, documentation, and team meetings.

Office Location(s): The primary work location is Thermo Fisher Scientific's facility at Block 33 Marsiling Industrial Estate Road 3, Singapore. This location is situated within an industrial hub, likely providing access to specialized facilities and infrastructure.

Workspace Context:

• Laboratory environments will be equipped with instrumentation, testing equipment, and prototyping tools relevant to life-science applications.

• Office spaces will support collaborative work, including meeting rooms for cross-functional discussions and individual workstations for analysis and documentation.

• Access to internal IT infrastructure, engineering software, and potentially shared testing facilities.

• Opportunities for direct interaction with engineering teams, R&D personnel, and project managers.

Work Schedule: The standard work schedule is Monday to Friday. While the role emphasizes on-site presence for hands-on tasks, there may be some flexibility in work hours depending on project demands and team arrangements, though this is not a remote-first position.

📝 Enhancement Note: The combination of laboratory and office work underscores the hands-on nature of the role. Candidates should be comfortable working in both settings and understand the need for physical presence for critical testing and integration tasks.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or a recruiter will conduct an initial call to assess basic qualifications, experience, and cultural fit.

• Technical Interview(s): Expect multiple interviews with engineering managers, technical leads, and potentially peer engineers. These will focus on:

  • Systems Thinking: Discussing how you approach complex system interactions and dependencies.
  • Hands-on Experience: Detailing past projects involving physical systems, integration, and testing.
  • Problem-Solving: Presenting scenarios for troubleshooting and root-cause analysis.
  • Technical Knowledge: Assessing understanding of relevant engineering disciplines (mechanical, electrical, software, etc.) and testing methodologies.

• Portfolio Review: A dedicated session where you will present selected projects from your portfolio, showcasing your integration strategies, test execution, data analysis, and problem-solving successes.

• Final Interview: May involve senior leadership to discuss career aspirations, strategic contributions, and final cultural alignment.

Portfolio Review Tips:

• Showcase Integration: Clearly articulate the challenges and solutions in integrating diverse subsystems. Use diagrams or schematics to illustrate system architecture.

• Detail Testing: For each case study, explain the rationale behind your test approach, the specific tests performed, and how you analyzed the results. Quantify outcomes wherever possible.

• Highlight Problem-Solving: Present a specific problem you encountered, your troubleshooting methodology, the root cause identified, and the solution implemented. Emphasize the impact of your intervention.

• Demonstrate Systems Thinking: Explain how you considered the interdependencies between subsystems and how your actions prevented or resolved system-level issues.

• Prepare for Technical Depth: Be ready to discuss the technical details of your projects, including specific tools, techniques, and challenges faced.

Challenge Preparation:

• Case Study Presentation: Prepare 2-3 detailed case studies from your experience that demonstrate your skills in systems integration, hands-on testing, and root-cause analysis.

• Hypothetical Scenarios: Be prepared to discuss how you would approach integration challenges for a hypothetical complex instrument or system.

• Technical Deep Dive: Brush up on core engineering principles relevant to Thermo Fisher's product lines (e.g., thermal systems, fluidics, electro-mechanical control, embedded systems).

📝 Enhancement Note: The interview process is designed to thoroughly assess both technical proficiency and problem-solving capabilities. A strong portfolio that clearly articulates your contributions to complex integration and testing projects is essential for success. Be prepared to discuss your work in detail and demonstrate your systems thinking approach.

🛠 Tools & Technology Stack

Primary Tools:

• CAD Software: For reviewing mechanical/electrical designs and understanding physical integration (e.g., SolidWorks, AutoCAD, Altium Designer – familiarity with reviewing these is key).

• Simulation/Analysis Tools: For evaluating system performance and identifying potential issues prior to physical testing (e.g., ANSYS, COMSOL for thermal/fluidic analysis; MATLAB/Simulink for system modeling).

• Data Acquisition Systems: Tools for collecting real-time data from experiments and instruments.

• Test Automation Software: If applicable, knowledge of scripting or platforms for automating test sequences.

Analytics & Reporting:

• Statistical Software: For data analysis and interpretation (e.g., Minitab, JMP, R, Python with libraries like SciPy/NumPy).

• Data Visualization Tools: For presenting test results and findings (e.g., Tableau, Power BI, Excel charts, MATLAB plots).

• Spreadsheet Software: Advanced proficiency in Excel for data manipulation and analysis.

CRM & Automation:

• Product Lifecycle Management (PLM) Systems: For managing design documentation, revisions, and traceability (e.g., Siemens Teamcenter, PTC Windchill – understanding the principles of PLM is valuable).

• Requirements Management Tools: For tracking system and subsystem requirements (e.g., Jama Connect, DOORS – understanding their purpose is beneficial).

• Version Control Systems: For managing software and firmware codebases if applicable (e.g., Git).

📝 Enhancement Note: While specific tool requirements aren't listed, proficiency in data analysis, statistical interpretation, and potentially CAD/simulation software review is crucial. The emphasis is on using these tools to drive insights and ensure system integrity. Familiarity with PLM and requirements management concepts is also highly relevant for a systems engineering role.

👥 Team Culture & Values

Operations Values:

• Integrity: Upholding the highest ethical standards in scientific research and product development.

• Innovation: Continuously seeking new and improved ways to solve complex scientific challenges.

• Inclusion: Fostering a diverse and collaborative environment where all voices are heard and valued.

• Performance: Driving for excellence in all aspects of work, from product design to customer support.

• Collaboration: Working effectively across teams and functions to achieve shared goals and deliver impactful solutions.

Collaboration Style:

• Cross-functional Partnership: Expect to work closely with R&D engineers, project managers, quality assurance, and manufacturing teams. Open communication and proactive engagement are key.

• Data-Driven Discussions: Technical decisions and problem resolutions are typically based on empirical data and rigorous analysis.

• Constructive Feedback: A culture that encourages providing and receiving constructive feedback to improve processes and products.

• Shared Ownership: A sense of collective responsibility for the success and reliability of the integrated systems.

📝 Enhancement Note: Thermo Fisher Scientific's stated values emphasize integrity, innovation, inclusion, performance, and collaboration. For a Systems Integration & Test Engineer, this translates to a work environment that values meticulousness, a proactive approach to problem-solving, effective teamwork, and a commitment to delivering high-quality, reliable scientific instrumentation.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of Integration: Managing the intricate interactions between numerous hardware, software, and firmware subsystems in cutting-edge life-science instruments.

• Rapid Technological Evolution: Keeping pace with advancements in life sciences and instrumentation technology to ensure systems remain competitive and effective.

• Balancing Rigor and Speed: Ensuring thorough testing and integration while meeting aggressive project timelines.

• Cross-Disciplinary Communication: Effectively translating technical challenges and solutions between diverse engineering domains.

Learning & Development Opportunities:

• Advanced Technical Training: Access to internal and external training programs on specific instrumentation technologies, testing methodologies, and advanced engineering principles.

• Industry Conferences: Opportunities to attend relevant scientific and engineering conferences to stay abreast of industry trends and network with peers.

• Mentorship Programs: Potential to be mentored by senior engineers or to mentor junior team members, fostering knowledge transfer and leadership skills.

• Certification Pursuits: Support for obtaining relevant professional certifications in systems engineering or specialized technical fields.

📝 Enhancement Note: The role presents significant technical challenges inherent in developing complex scientific instruments. These challenges are balanced by ample opportunities for professional growth, both in deepening technical expertise and developing leadership capabilities within a global leader in the scientific domain.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex electromechanical system you integrated. What were the key subsystems, their interfaces, and the biggest integration challenges you faced?" (Focus on your approach to identifying and resolving interdependencies.)

• "Walk me through a time you encountered a difficult integration issue that wasn't immediately obvious. How did you use your hands-on testing skills and troubleshooting methodology to find the root cause?" (Highlight your structured problem-solving process and analytical skills.)

• "How do you approach developing test methods and acceptance criteria for a new subsystem or integrated system? What factors do you consider?" (Emphasize your understanding of risk-based testing and experimental design.) Company & Culture Questions:

• "Why are you interested in Thermo Fisher Scientific and this specific role within systems integration and testing for life-science instrumentation?" (Research their mission, recent innovations, and how your skills align.)

• "How do you ensure effective communication and collaboration when working with diverse engineering teams (e.g., mechanical, electrical, software)?" (Provide examples of your cross-functional communication strategies.)

• "Describe a situation where you had to adapt your approach due to changing project requirements or unexpected technical findings. How did you manage this?" (Showcase your flexibility and problem-solving under pressure.) Portfolio Presentation Strategy:

• Structure Your Case Studies: For each project, clearly define the problem, your role and approach, the specific integration/testing activities performed, the results/impact, and lessons learned.

• Quantify Your Impact: Use metrics and data whenever possible to demonstrate the success of your integration efforts (e.g., reduced integration time, improved system reliability, successful validation pass rates).

• Visual Aids: Utilize diagrams, schematics, photos, or short videos (if appropriate and permissible) to illustrate complex systems and testing setups.

• Focus on "Why": Explain the rationale behind your decisions and methodologies, demonstrating your understanding of systems engineering principles and risk management.

📝 Enhancement Note: Interview preparation should focus on articulating your experience with concrete examples, demonstrating strong systems thinking, and showcasing your hands-on problem-solving abilities. Be ready to dive deep into your past projects and explain your thought process.

📌 Application Steps

To apply for this Senior Engineer, Systems Design – Systems Integration & Test position:

• Submit your application through the Thermo Fisher Scientific careers portal.

• Tailor Your Resume: Highlight keywords such as "systems integration," "systems engineering," "test engineering," "hands-on testing," "root-cause analysis," "electromechanical systems," and specific instrument types (PCR, cell therapy, etc.) relevant to Thermo Fisher's portfolio. Quantify your achievements with specific metrics.

• Prepare Your Portfolio: Curate 2-3 strong examples of your work that best showcase your systems integration, hands-on testing, and troubleshooting capabilities. Be ready to present these in detail during an interview.

• Research the Company: Familiarize yourself with Thermo Fisher Scientific's mission, values, product lines (especially life science instrumentation), and recent news to demonstrate genuine interest and cultural fit.

• Practice Interview Questions: Rehearse answers to common technical, behavioral, and situational interview questions, focusing on clear, concise, and impact-driven responses, particularly for case study presentations.

⚠️ 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.