Field Service Engineer – Cybersecurity, Cheonan

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This position reports to:

Engineering Manager - Power & Water (부장)

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ABB Automation 사업부의 Energy Industries Division에서 DCS(Distributed Control System) 환경의 사이버보안 솔루션 구축 및 운영을 담당할 엔지니어를 찾고 있습니다.

본 포지션은 DCS 환경의 통합 사이버보안 솔루션을 설계·구축하는 역할을 담당합니다. WSUS, NAC, NAS, SIEM, Firewall/UTM, Patch Management 등의 기술을 활용하여 산업 제어 시스템 및 핵심 인프라를 안전하게 보호하며, IEC 62443 및 NIST 등 국제 표준에 부합하는 통합 보안 환경을 구현하게 됩니다.

또한 고객, 엔지니어링 및 서비스 조직과 긴밀하게 협업하며, 보안 솔루션의 설계부터 구축, 테스트 및 시운전까지 전 과정을 수행함으로써 고객의 운영 안정성과 사이버보안 수준 향상에 기여하게 됩니다.

주요업무

• 고객 요구사항 및 프로젝트 범위에 따른 서비스 계획 수립 및 수행
• 고객 만족도 향상을 위한 기술 지원 및 커뮤니케이션 수행
• 고객 및 ABB 내부 조직과 협력하여 신규 서비스 사업 기회 발굴
• 현장 엔지니어 및 기술 인력 기술 지원 및 현장 활동 관리
• IEC 62443, NIST 기반 DCS 보안 아키텍처 및 통합 보안 솔루션 설계
• WSUS, NAC, NAS, SIEM, Firewall/UTM 등 보안 시스템 구축 및 연동
• 시스템 하드닝, 보안 설정 및 HMI 업그레이드 수행
• OT 환경 내 패치 관리, 접근 제어 및 취약점 관리 지원
• 보안 솔루션 구축, 테스트, 시운전 및 기술 문서 작성

자격사항

• 2년 이상의 DCS 보안 엔지니어링, 사이버보안 또는 산업 자동화 보안 분야 경력자 우대 (관련 전공 신입 지원 가능)
• IT, 네트워크, 컴퓨터공학, 사이버보안, 제어공학 또는 관련 분야 학사 학위 소지자
• WSUS, NAC, NAS, SIEM, Firewall/UTM 등 보안 솔루션에 대한 이해 또는 경험
• IEC 62443, NIST Cybersecurity Framework 등 산업 사이버보안 표준에 대한 이해
• 발전소, 지역난방시설(KDHC) 등 산업 인프라 보안 프로젝트 경험 우대
• 시스템 통합, 보안 아키텍처 설계, DCS/PLC 보안 강화 경험 우대
• 네트워크 보안, 접근 제어, 암호화, 취약점 관리 및 사고 대응 역량 보유자
• 비즈니스 수준의 영어 커뮤니케이션 역량 보유자
• 국내 고객사 현장 출장 가능자 (60% 이상)

Your role and responsibilities

In this role, you will have the opportunity to execute service work of medium to high complexity as per work instructions and ABB guidelines. Each day, you will deliver excellent customer service to satisfy customers. You will also showcase your expertise by working with customer to identify opportunities in the installed base, to improve system performance and operational performance.
The work model for the role is: Onsite #LI-onsite

This role is contributing to the Energy Industries division within Automation Business, focusing on the cybersecurity solutions for Distributed Control System (DCS) environments based in Cheonan, South Korea.

You will design and implementDesign and implement integrated cybersecurity solutions for Distributed Control System (DCS) environments with medium to high complexity.

The role involves architecting and deploying comprehensive security systems utilizing technologies such as  WSUS, NAC, NAS, SIEM, FIREWALL/UTM, and patch management technologies to protect critical industrial infrastructure.

You will be mainly accountable for:

• Contributing to customer satisfaction by planning and executing service work as per customer order and expectations.
• Ensuring customer retention by delivering superior customer experience and effectively communicating service work timeline and expectations.
• Taking actions to identify new service business opportunities for ABB, in close cooperation with customer and other ABB teams.
• Coaching technicians and engineers and supervising complex site activities.
• Designing and specifying integrated DCS cybersecurity solutions, including security architecture, frameworks, and technology selection aligned with standards such as IEC 62443 and NIST.
• Implementing and integrating cybersecurity systems (e.g., WSUS, NAC, NAS, SIEM, firewall/UTM), including system hardening, secure configuration, and HMI upgrades.
• Managing patching strategies and secure access in OT environments, ensuring system availability while supporting vulnerability management and threat detection activities.
• Supporting end-to-end deployment, testing, and commissioning of security solutions, and preparing technical documentation and design artifacts.

Qualifications for the role

• Minimum 2 years of experience in DCS security engineering, cybersecurity, or industrial automation security is preferred; recent graduates with relevant academic backgrounds are also encouraged to apply
• Bachelor’s degree in IT, Network, Computer Engineering, Cybersecurity, Control Engineering, or a related field
• Solid knowledge of DCS security platforms and hands-on experience with WSUS, NAC, NAS, SIEM, FIREWALL /UTM, and network security technologies
• Strong background in industrial cybersecurity standards: IEC 62443, NIST Cybersecurity Framework, prefer the experience of network and security design across power plants, KDHC.
• Proven experience in system integration, threat assessment, security architecture design, vendor management, and DCS/PLC security hardening
• Practical skills in network security, access control, encryption, vulnerability management, and incident response
• Business-level proficiency in English (verbal and written) and fluency in Korean
• Willingness to travel frequently to domestic sites (over 60%).

More about us

ABB Energy Industries drives growth for customers while supporting safe, efficient and profitable operations with strong global execution capacity, extensive service footprint, and innovative digital leadership. Our DCS security solutions protect critical infrastructure and enable secure digital transformation. We look forward to receiving your application. Discover more about ABB at www.abb.com

Building a cleaner, smarter future takes all kinds of minds: the curious, the courageous, and the creative. That's why we welcome people from all backgrounds and experiences.

Ready to make an impact?

Apply today or visit https://www.abb.com to learn more about the impact of our solutions across the globe.