📍 Job Overview

Job Title: Senior Cloud Infrastructure Engineer
Company: 42dot
Location: Pangyo, Gyeonggi-do, South Korea
Job Type: Full-Time (On-site)
Category: DevOps / Infrastructure
Date Posted: 2025-08-01
Experience Level: 10+ years
Remote Status: On-site

🚀 Role Summary

Design and operate cloud-based platform infrastructure for global service operations.
Build and optimize Kubernetes-based infrastructure and deployment pipelines.
Enhance system reliability through monitoring and automation tools.
Improve service scalability and stability through continuous improvement.
Troubleshoot incidents and improve developer productivity.

📝 Enhancement Note: This role requires a senior-level DevOps engineer with extensive experience in cloud infrastructure, Kubernetes, and public cloud platforms. The ideal candidate will have a strong background in Computer Science and a proven track record of designing and operating large-scale, highly available systems.

💻 Primary Responsibilities

Infrastructure Design & Operation: Design and operate cloud-based platform infrastructure for global service operations using Kubernetes and public cloud platforms.
Kubernetes & CI/CD: Build, optimize, and manage Kubernetes-based infrastructure and deployment pipelines to ensure efficient and reliable software delivery.
Monitoring & Automation: Develop and implement monitoring and automation tools to enhance system reliability and improve operational efficiency.
Incident Response & Troubleshooting: Troubleshoot incidents and resolve issues to minimize downtime and ensure service availability.
Continuous Improvement: Collaborate with development teams to improve service scalability, stability, and developer productivity through continuous improvement initiatives.

📝 Enhancement Note: The primary responsibilities of this role require a deep understanding of cloud infrastructure, Kubernetes, and public cloud platforms. The ideal candidate will have experience in designing, operating, and optimizing large-scale systems and a strong background in Computer Science.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Computer Engineering, or a related field. Relevant work experience may be considered in lieu of a degree.

Experience: 10+ years of experience in infrastructure or service operations, with at least 5 years of experience in cloud infrastructure and Kubernetes.

Required Skills:

Strong foundational knowledge in Computer Science (Operating Systems, Networking, Distributed Systems, etc.)
8+ years of experience in infrastructure/service operations
Proven experience in managing large-scale Kubernetes clusters (100+ nodes)
Proficiency in one or more public cloud platforms (AWS, Azure, GCP)
Experience in infrastructure as code (IaC) tools (Terraform, CloudFormation, etc.)
Proficiency in one or more programming languages (Golang, Python, etc.)
Strong troubleshooting and problem-solving skills
Excellent communication and collaboration skills

Preferred Skills:

Experience with observability stacks (Loki, Grafana, Tempo, Mimir, etc.)
Experience with GitOps-based CI/CD pipelines
Experience with root cause analysis and structural improvements
Experience with internal tool development using React or similar UI frameworks
Familiarity with global MSA environments and build systems

📝 Enhancement Note: The required and preferred skills for this role indicate a need for a senior-level DevOps engineer with extensive experience in cloud infrastructure, Kubernetes, and public cloud platforms. The ideal candidate will have a strong background in Computer Science and a proven track record of designing and operating large-scale, highly available systems.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Detailed documentation of cloud infrastructure design and architecture decisions
Case studies demonstrating successful incident response and system optimization
Examples of automated deployment scripts and CI/CD pipelines
Evidence of collaboration with development teams to improve service scalability and stability

Technical Documentation:

Detailed technical documentation outlining cloud infrastructure design, deployment processes, and server configuration
Version control and deployment processes using Git and CI/CD pipelines
Testing methodologies, performance metrics, and optimization techniques

📝 Enhancement Note: The portfolio requirements for this role focus on demonstrating the candidate's ability to design, operate, and optimize large-scale cloud infrastructure. The ideal candidate will provide detailed documentation and case studies that showcase their technical expertise and problem-solving skills.

💵 Compensation & Benefits

Salary Range: Based on market research and industry standards for senior-level DevOps engineers in South Korea, the estimated salary range for this role is ₩80,000,000 - ₩120,000,000 per year.

Benefits:

Competitive health insurance and retirement plans
Flexible work hours and remote work options
Generous vacation and holiday policies
Employee engagement programs and team-building activities
Opportunities for professional development and career growth

Working Hours: 40 hours per week, with flexible scheduling to accommodate maintenance windows and project deadlines.

📝 Enhancement Note: The salary range and benefits for this role are based on market research and industry standards for senior-level DevOps engineers in South Korea. The estimated salary range takes into account the candidate's experience level, the company's size, and the region's cost of living.

🎯 Team & Company Context

Company Culture:

Industry: Technology
Company Size: Medium (50-250 employees)
Founded: 2015
Team Structure: The infrastructure team consists of 10-15 engineers, with a flat hierarchy and a focus on collaboration and knowledge sharing. The team works closely with development teams to ensure efficient and reliable software delivery.
Development Methodology: Agile/Scrum methodologies are used for software development, with a focus on continuous integration, continuous delivery, and continuous deployment.
Company Website: 42dot.ai

📝 Enhancement Note: The company culture for 42dot emphasizes collaboration, knowledge sharing, and a strong focus on technical excellence. The infrastructure team works closely with development teams to ensure efficient and reliable software delivery, with a flat hierarchy that encourages open communication and decision-making.

Career & Growth Analysis:

Web Technology Career Level: Senior DevOps Engineer
Reporting Structure: The senior cloud infrastructure engineer will report directly to the head of the infrastructure team and work closely with development teams to ensure efficient and reliable software delivery.
Technical Impact: The role will have a significant impact on the company's ability to deliver high-quality software products and services to its customers. The ideal candidate will have a strong background in cloud infrastructure, Kubernetes, and public cloud platforms, and will be able to make critical decisions that affect the company's technical direction.

Growth Opportunities:

Technical Leadership: As a senior member of the infrastructure team, the ideal candidate will have the opportunity to mentor junior team members and contribute to the team's technical direction.
Architecture Decisions: The role will involve making critical architecture decisions that affect the company's technical direction, providing opportunities for professional growth and development.
Emerging Technologies: The company is always looking for opportunities to adopt emerging technologies, providing opportunities for the ideal candidate to expand their skillset and stay up-to-date with the latest trends in cloud infrastructure and DevOps.

📝 Enhancement Note: The career and growth opportunities for this role are significant, with the potential for the ideal candidate to take on a leadership role within the infrastructure team and make critical architecture decisions that affect the company's technical direction. The company's focus on emerging technologies also provides opportunities for the ideal candidate to expand their skillset and stay up-to-date with the latest trends in cloud infrastructure and DevOps.

🌐 Work Environment

Office Type: The company's office is located in Pangyo, Gyeonggi-do, South Korea, with a modern and collaborative work environment that includes multiple monitors, testing devices, and comfortable workspace arrangements.

Office Location(s): Pangyo, Gyeonggi-do, South Korea

Workspace Context:

Collaborative Workspace: The office is designed to facilitate collaboration and communication between team members, with open-plan workspaces and dedicated meeting rooms.
Development Tools: The office is equipped with the latest development tools, including multiple monitors, testing devices, and high-speed internet connectivity.
Cross-Functional Collaboration: The infrastructure team works closely with development teams to ensure efficient and reliable software delivery, with regular meetings and code reviews to facilitate knowledge sharing and collaboration.

Work Schedule: The work schedule is typically 40 hours per week, with flexible scheduling to accommodate maintenance windows and project deadlines. The company offers remote work options and flexible work hours to accommodate individual needs and preferences.

📝 Enhancement Note: The work environment for this role is modern and collaborative, with a focus on facilitating communication and knowledge sharing between team members. The company's commitment to providing the latest development tools and flexible work arrangements ensures that the ideal candidate will have the resources and support they need to succeed in their role.

📄 Application & Technical Interview Process

Interview Process:

Resume Screening: The hiring manager will review the candidate's resume and portfolio to ensure that they meet the required qualifications for the role.
Phone Screen: A short phone or video call will be conducted to discuss the candidate's background, experience, and motivation for applying to the role.
Technical Assessment: The candidate will be asked to complete a technical assessment, which may include coding challenges, system design exercises, or infrastructure optimization tasks.
On-site or Video Interview: The final interview will be conducted on-site or via video call, with a panel of interviewers from the infrastructure team and other relevant departments. The interview will focus on the candidate's technical expertise, problem-solving skills, and cultural fit.

Portfolio Review Tips:

Cloud Infrastructure Design: Provide detailed documentation of cloud infrastructure design and architecture decisions, with a focus on scalability, availability, and performance optimization.
Incident Response: Include case studies demonstrating successful incident response and system optimization, with a focus on root cause analysis and structural improvements.
Automation & Monitoring: Highlight examples of automated deployment scripts and CI/CD pipelines, with a focus on improving system reliability and operational efficiency.
Collaboration: Showcase evidence of collaboration with development teams to improve service scalability and stability, with a focus on user experience and performance optimization.

Technical Challenge Preparation:

Cloud Infrastructure Design: Brush up on your knowledge of cloud infrastructure design principles, with a focus on scalability, availability, and performance optimization.
Incident Response: Review your incident response and troubleshooting skills, with a focus on root cause analysis and structural improvements.
Automation & Monitoring: Familiarize yourself with the latest automation and monitoring tools, with a focus on improving system reliability and operational efficiency.
Collaboration: Prepare for questions about your experience working with development teams, with a focus on user experience and performance optimization.

ATS Keywords: [Provide a comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category: programming languages, web frameworks, server technologies, databases, tools, methodologies, soft skills, industry terms]

📝 Enhancement Note: The interview process for this role is designed to assess the candidate's technical expertise, problem-solving skills, and cultural fit. The ideal candidate will have a strong background in cloud infrastructure, Kubernetes, and public cloud platforms, and will be able to make critical decisions that affect the company's technical direction.

🛠 Technology Stack & Web Infrastructure

Cloud Platforms:

Amazon Web Services (AWS)
Microsoft Azure
Google Cloud Platform (GCP)

Containerization & Orchestration:

Kubernetes
Docker

Infrastructure as Code (IaC):

Terraform
CloudFormation

Monitoring & Logging:

Prometheus
Grafana
Loki
Tempo
Mimir

CI/CD & Automation:

Jenkins
GitLab CI/CD
Argo CD
Spinnaker

Programming Languages:

Golang
Python
Bash

📝 Enhancement Note: The technology stack for this role is focused on cloud infrastructure, Kubernetes, and public cloud platforms. The ideal candidate will have experience with one or more of the listed technologies and be able to make critical decisions that affect the company's technical direction.

👥 Team Culture & Values

Team Values:

Technical Excellence: The team values technical excellence and strives to stay up-to-date with the latest trends in cloud infrastructure and DevOps.
Collaboration: The team emphasizes collaboration and knowledge sharing, with a focus on open communication and decision-making.
Continuous Improvement: The team is committed to continuous improvement, with a focus on enhancing system reliability, scalability, and stability.
User-Centric: The team prioritizes user experience and performance optimization, with a focus on delivering high-quality software products and services to customers.

Collaboration Style:

Cross-Functional Integration: The infrastructure team works closely with development teams to ensure efficient and reliable software delivery, with regular meetings and code reviews to facilitate knowledge sharing and collaboration.
Code Review Culture: The team emphasizes code review and peer programming, with a focus on improving code quality and knowledge sharing.
Knowledge Sharing: The team encourages knowledge sharing and technical mentoring, with a focus on helping junior team members develop their skills and advance their careers.

📝 Enhancement Note: The team culture for 42dot emphasizes technical excellence, collaboration, and continuous improvement. The infrastructure team works closely with development teams to ensure efficient and reliable software delivery, with a focus on open communication and decision-making.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Cloud Infrastructure Design: Design and optimize cloud-based platform infrastructure for global service operations, with a focus on scalability, availability, and performance optimization.
Kubernetes & CI/CD: Build, optimize, and manage Kubernetes-based infrastructure and deployment pipelines, with a focus on improving system reliability and operational efficiency.
Incident Response: Troubleshoot incidents and resolve issues to minimize downtime and ensure service availability, with a focus on root cause analysis and structural improvements.
Continuous Improvement: Collaborate with development teams to improve service scalability, stability, and developer productivity, with a focus on user experience and performance optimization.

Learning & Development Opportunities:

Technical Skill Development: The company offers opportunities for the ideal candidate to expand their skillset and stay up-to-date with the latest trends in cloud infrastructure and DevOps.
Conference Attendance & Certification: The company encourages employees to attend industry conferences and obtain relevant certifications, with a focus on continuous learning and professional development.
Technical Mentorship & Leadership: The ideal candidate will have the opportunity to mentor junior team members and contribute to the team's technical direction, with a focus on knowledge sharing and technical leadership.

📝 Enhancement Note: The technical challenges and learning opportunities for this role are significant, with the potential for the ideal candidate to make critical architecture decisions that affect the company's technical direction. The company's focus on emerging technologies and continuous learning also provides opportunities for the ideal candidate to expand their skillset and stay up-to-date with the latest trends in cloud infrastructure and DevOps.

💡 Interview Preparation

Technical Questions:

Cloud Infrastructure Design: Describe your experience designing and optimizing cloud-based platform infrastructure for global service operations. What are some of the key considerations and trade-offs involved in cloud infrastructure design?
Kubernetes & CI/CD: How have you used Kubernetes to build, optimize, and manage infrastructure and deployment pipelines? What are some of the challenges you've faced, and how have you addressed them?
Incident Response: Can you walk me through a challenging incident you've responded to in the past? What steps did you take to resolve the issue, and what lessons did you learn from the experience?
Continuous Improvement: How have you worked with development teams to improve service scalability, stability, and developer productivity? What are some of the key metrics and performance indicators you've used to measure success?

Company & Culture Questions:

Technical Direction: How do you see the company's technical direction evolving in the next 3-5 years? What emerging technologies and trends do you think will be most relevant to our business?
Team Dynamics: How do you approach working with a diverse team of engineers, developers, and other stakeholders? What strategies do you use to facilitate collaboration and knowledge sharing?
User Experience: How do you prioritize user experience and performance optimization in your work? Can you provide an example of a project where you've made significant improvements to user experience or performance?

Portfolio Presentation Strategy:

Cloud Infrastructure Design: Present your cloud infrastructure design and architecture decisions, with a focus on scalability, availability, and performance optimization. Highlight any unique challenges you've faced and how you've addressed them.
Incident Response: Present a case study demonstrating successful incident response and system optimization, with a focus on root cause analysis and structural improvements. Highlight any lessons you've learned from the experience and how you've applied them to future incidents.
Automation & Monitoring: Present examples of automated deployment scripts and CI/CD pipelines, with a focus on improving system reliability and operational efficiency. Highlight any challenges you've faced and how you've addressed them.

📝 Enhancement Note: The interview preparation tips for this role focus on technical expertise, problem-solving skills, and cultural fit. The ideal candidate will have a strong background in cloud infrastructure, Kubernetes, and public cloud platforms, and will be able to make critical decisions that affect the company's technical direction.

📌 Application Steps

To apply for this senior cloud infrastructure engineer position at 42dot:

Resume Optimization: Tailor your resume to highlight your relevant experience and skills, with a focus on cloud infrastructure, Kubernetes, and public cloud platforms. Include any relevant certifications, projects, or publications that demonstrate your technical expertise and problem-solving skills.
Portfolio Preparation: Prepare a detailed portfolio that showcases your cloud infrastructure design and architecture decisions, with a focus on scalability, availability, and performance optimization. Include case studies demonstrating successful incident response and system optimization, as well as examples of automated deployment scripts and CI/CD pipelines.
Technical Interview Preparation: Brush up on your knowledge of cloud infrastructure design principles, Kubernetes, and public cloud platforms. Review your incident response and troubleshooting skills, with a focus on root cause analysis and structural improvements. Familiarize yourself with the latest automation and monitoring tools, with a focus on improving system reliability and operational efficiency.
Company Research: Research the company's technical direction, team dynamics, and user experience priorities. Prepare thoughtful questions about the company's culture, values, and long-term goals.

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

Senior Cloud Infrastructure Engineer