{"id":2933362,"url":"https://alion.io/job/emd-group-software-engineer-plc-control-system-engineering","title":"Software Engineer (PLC) / Control System Engineering","company":{"id":1844673,"name":"EMD Group","domain":"emdgroup.com","url":"https://alion.io/company/emdgroup","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"A","score":88,"open_postings":8,"ghost_share":0,"stale_share":0.5,"repost_share":0,"time_to_fill_p50_days":22,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ansan, South Korea"],"countries":["KR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":65000,"max_usd":194000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":7270},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"EtherCAT","optional":false},{"name":"Java","optional":false},{"name":"Modularization","optional":false}],"status":"live","first_seen_at":"2026-10-20T15:21:13Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-10-25T12:03:21Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"여러분만의 특별한 재능으로 머크와 함께 마법을 펼쳐보세요!\n커리어 여정을 계속해서 탐험하고, 발견하고, 도전할 준비가 되셨나요? 커리어에 대한 열정으로 가득한 여러분처럼, 머크도 거대한 포부로 가득하답니다! 머크의 전 세계에 있는 구성원들은 과학 기술의 혁신으로 헬스케어, 생명과학, 그리고 전자소재 부문에서 사람들의 삶을 풍요롭게 만들고 있습니다. 머크의 구성원들은 한마음이 되어 고객, 환자, 인류, 더 나아가 지구의 지속 가능함을 위해 힘쓰고 있습니다. 그것이 바로 머크가 호기심 가득한 인재를 원하는 이유랍니다, 호기심은 모든 것을 상상할 수 있게 만드는 원동력이니까요.\nPosition Summary\n반도체용 Gas/Chemical Delivery 장비의 PLC 및 HMI 제어 시스템을 개발하는 포지션으로, 장비의 제어 로직 설계, System Integration, 시운전 및 문제 해결 업무를 담당합니다. 고객 요구사항을 기반으로 제어 아키텍처를 설계하고, 장비의 안정성·성능 향상 및 자동화 표준화를 주도하는 역할입니다.\nYour role:\nAs a Senior Engineer, Lead the software programming, system design, and technical direction for chemical and specialty gas delivery equipment used in semiconductors.\nProficient in PLC, HMI, C/C++, Java, and other PC-based languages at an expert level. Hold a technical vision for the assigned product areas in chemical equipment and translate complex requirements into scalable, high-performance, manufacturable solutions. Through cross-team collaboration, they contribute to engineering standardization and reliability and demonstrate technical leadership in both systems engineering and PLC software development.\nKey Responsibilities\nPLC Software Development\nUnderstand PLC Software Development\nDevelop and maintain PLC software based on IEC 61131-3 standards.\nDesign, program, test, and validate PLC logic for semiconductor gas and chemical delivery systems.\nSupport Omron, Siemens, and LS PLC platforms.\nDevelop reusable software modules and engineering standards\nHMI & System Integration\nConfigure and maintain HMI systems (Pro-face, MXon/M2I).\nImplement alarms, diagnostics, state monitoring, and data logging functions.\nIntegrate PLC, HMI, instruments, motion devices, and network systems.\nSystem Engineering\nAnalyze customer and product requirements and translate them into software and control system architecture.\nDefine software-hardware interfaces and control philosophies.\nSupport system design reviews and risk assessments.\nTroubleshooting & RCA\nInvestigate field issues and implement corrective actions.\nLead root cause analysis (RCA) activities.\nOptimize system performance, reliability, and maintainability.\nManufacturing & Customer Support\nSupport manufacturing, FAT, SAT, commissioning, and startup activities.\nProvide technical support during customer escalations.\nDevelop manufacturing packages and technical documentation.\nCross-Functional Collaboration\nWork closely with Mechanical, Electrical, Quality, Project Management, and Manufacturing teams.\nCollaborate with global engineering teams on platform standardization and product improvements.\nParticipate in engineering change management (ECR/ECO) activities.\nContinuous Improvement\nDrive software standardization and code modularization.\nContribute to technology roadmaps for next-generation control systems.\nMentor junior engineers and share technical best practices\nWho you are:\nMinimum Qualifications\nBachelor's degree in Electrical Engineering, Automation Engineering, Software Engineering, Computer Science, or related field.\nMinimum 5 years of PLC software development experience.\nStrong hands-on experience with: Omron / Siemens / LS PLC\nExperience with HMI development (Pro-face, MXon, M2I or equivalent).\nKnowledge of industrial communication protocols: Ethernet/IP, Modbus TCP/RTU, Profinet, EtherCAT\nExperience in troubleshooting and debugging industrial automation systems.\nAbility to communicate effectively in an international engineering environment\nPreferred Qualifications\nExperience with semiconductor equipment, gas delivery systems, chemical delivery systems, or process equipment.\nExperience supporting customer sites, installation, and commissioning activities.\nExperience with SCADA or industrial software platforms.\nKnowledge of functional safety and industrial cybersecurity.\nExperience leading technical projects or system architecture reviews.\nExperience collaborating with global engineering organizations.\n\n여러분이 찾고 계시는 채용 포지션이 없으신가요? 그렇다면 인재풀(클릭))에 여러분의 이력서를 등록해주세요! 향후 인력 수요가 있을 경우 최우선으로 안내드리겠습니다.\n지원 순으로 전형이 진행되며, 적합한 후보자 발견 시 채용이 바로 마감되오니 지원의사가 있으신 분들은 빠른 지원 바랍니다.\n서버 안정성을 위해, 인터넷 익스플로러가 아닌 구글 크롬, 혹은 마이크로소프트 엣지를 통한 지원 바랍니다.\n보훈대상자 및 취업보호대상자는 관련법에 의거하여 우대합니다.\n지원서의 기재사항이 사실과 다른 것으로 확인되거나 채용상의 결격사유가 확인될 경우 합격 또는 채용이 취소될 수 있습니다.\n당사는 입사지원자에게 이전, 재직중인 회사의 영업비밀 또는 기밀정보를 당사 채용 및 업무 수행과정에서 사용, 활용하거나 유출하지 않도록 요구하며, 관련 서약서를 통해 이를 확인하고 있습니다.\n만약 재직 회사의 영업비밀 침해 등 후보자님의 책임 있는 사유로 회사(머크)에 대한 법적 문제가 발생할 가능성이 있는 경우, 회사는 설사 채용된 이후라도 채용을 취소할 수 있습니다\nThe company reserves the right to withdraw the offer if it discovers subsequently that a candidate has given false information in application or has provided false or fraudulent documentation in support of his/her application.\nWe require candidates not to use, exploit, or leak the trade secrets or confidential information of their previous or current employers during our hiring and work processes, and we confirm this through relevant declarations.\nIf there is a possibility of legal issues arising against the company (머크) due to a candidate's responsible actions, such as the infringement of trade secrets of their current employer, the company may cancel the hiring even after the candidate has been employed.\n\"머크 코리아 채용\" 카카오톡 페이지와 친구를 맺어 최신 채용 소식을 받아보세요! (카카오톡에 '머크 코리아 채용'검색 후 친구추가)\n머크는 구성원들에게 아래와 같은 혜택을 제공하고 있습니다. 머크에서는 모두 호기심을 바탕으로 서로 다른 배경과 가치관, 그리고 경험을 가진 다양한 구성원들과 함께 성장할 수 있습니다. 머크는 다양성을 소중히 여기며, 이를 통해 탁월한 성과와 혁신을 이끌어내 과학 기술의 발전에 공헌하고 있습니다. 머크는 구성원 모두 본인만의 속도로 발전하고 성장할 수 있도록 커리어 개발의 기회를 제공합니다. 머크의 구성원들은 서로 돕는 건강한 기업 문화를 조성하고 있습니다. 머크에서 여러분만의 특별한 재능으로 인류의 진보를 실현하는 마법을 펼쳐보세요!\n다양성으로 가득한 머크의 구성원이 되어주세요!","description_format":"text","description_chars":5597,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Prescription Drugs","Advanced Materials","Laboratory Equipment"],"lifecycle":[{"event":"open","at":"2026-10-20T15:21:13Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":4,"expected_fill_days":22,"reasons":["conf:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/emd-group-software-engineer-plc-control-system-engineering","json_url":"https://alion.io/job/emd-group-software-engineer-plc-control-system-engineering.json","meta":{"generated_at":"2026-10-25T13:54:14Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":19878,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1844673},"rest":"https://alion.io/mcp/rest/get_company?id=1844673"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Femd-group-software-engineer-plc-control-system-engineering"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Femd-group-software-engineer-plc-control-system-engineering"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Femd-group-software-engineer-plc-control-system-engineering"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/emd-group-software-engineer-plc-control-system-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Femd-group-software-engineer-plc-control-system-engineering"}]}