(disability hiring) Technical support engineer -HV

Location: Tokyo, Tokyo, Japan Job ID: R0110830 Date Posted: 2026-02-05 Company Name: HITACHI ENERGY JAPAN, LTD. Profession (Job Category): Engineering & Science Job Schedule: Full time Remote: No Job Description: The opportunity Hitachi Energy is a leader in high-voltage technology, offering a wide range of high-voltage products up to 1,200-kilovolt (kV) for AC and 1,100-kilovolt for DC. We help to enhance the safety, reliability and efficiency of power networks while minimizing environmental impact with following primary offerings for switchgears, circuit-breakers, generator circuit breakers, power quality products, surge arresters, disconnectors, instrument transformers and high-voltage service. Key innovations in our High Voltage Products portfolio include active technology power quality & battery energy storage, eco-efficient switchgear, digital generator circuit-breaker, hybrid and integrated switchgear. Our technology leadership continues to facilitate innovations in areas such as ultra-high-voltage power transmission, enabling flexible smart grids and enhancing eco-efficiency. How you’ll make an impact 変電所向け基本設計業務（特に高電圧製品）をご担当いただきます。具体的には、単線結線図（Single Line Diagram）の作成、機器仕様（定格・容量・使用環境条件等）の策定、高電圧開閉装置（GIS・AIS）の技術検討を行います。また、お客様、工場、および社内関係者との技術的な調整・折衝も担当いただきます。 詳細設計業務として、機器図面および仕様書のレビュー、機器の一次側インターフェース（ブッシング、ケーブル、筐体接続）の確認、回路図およびロジック図に基づく二次ケーブル接続の確認、入出力信号や外部通信の検証を行います。また、お客様との技術協議を推進していただきます。 技術サポート業務として、営業活動における技術プレゼンテーションの実施、社内外向け技術レポートの作成、工場との技術的なコミュニケーションを担当いただきます。また、品質保証活動をサポートし、必要に応じて工場および現地での立会試験（Witness Test）にもご参加いただきます。 日本のNon-Utility市場向けに、新技術および新製品の調査・導入支援を行います。また、高電圧製品を日本市場へ導入するため、IEC規格と日本国内規格の比較・評価を行っていただきます。 IEC規格に基づく製品仕様と日本国内の法規制・技術基準とのギャップを特定・評価します。また、日本規格との差異に対して顧客承認が必要な場合には、関連資料の作成および説明を行い、法規制遵守に関する技術的な説明や顧客対応を担当いただきます。 適用される社外規制、社内規程、手順書およびガイドラインへの適合を確実に行い、コンプライアンスを維持していただきます。 Hitachi Energyのコアバリューである「Safety（安全）」と「Integrity（誠実）」を体現し、自らの行動に責任を持つとともに、同僚および事業の成功に配慮した行動を取っていただきます。 Your main scope of work and accountability would be basic design for substation (Especially for HV products) like Single line diagram, Equipment specification (Rating, Capacity, Environmental condition), High Voltage Switchgear product – GIS and AIS also in technical clarification with customers, factory and internal stakeholders. You will be into detail design supporting review equipment drawings and specifications, verify primary interface of equipment (bushing, cable and enclosure connections), verify secondary cable connections from schematic and logic drawings, check input/output, external communication and facilitate technical discussions with customers. You will be into technical support such as technical presentations during pre-sales activity, internal/external technical report, technical communication with factory, support quality assurance, including factory and site witness testing as needed. You will support for Investigation and introduction of new technologies and products into JP Non-UT Market and in comparison, and evaluation of IEC and Japanese standard to introduce HV product into JP Non-UT market. You will identify and assess gaps between IEC-based product specifications and Japanese regulatory requirements also prepare documentation and explanations for customers when deviations from Japanese standards require approval and do engage in technical clarifications and communications with customers regarding regulatory compliance. You will be responsible for ensure compliance with applicable external and internal regulations, procedures, and guidelines. Living Hitachi Energy’s core values safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business. Your background 障がい者手帳をお持ちの方。 学士号（大学卒業以上）を有している方。 パワーエレクトロニクス業界における実務経験を5年以上有している方を歓迎します。 電気設備および／またはエンジニアリングに関連する資格・免許を有していること。 以下に関する知識を有していること。 電力業界および電力ビジネスに関する知識 高圧開閉装置（CB、DS/ES、CT&VT、SA）の基礎知識 電力系統設備およびその構成 電力系統に関連する図書・図面 JEC、JEM、JIS規格およびIEC規格 電気事業法および関連法規 機械図面および電気回路図（電気シーケンス図）を理解できること。また、日本国内の産業顧客とのビジネスコミュニケーション経験を有していること。 プレッシャーのある環境下においても自己管理能力を発揮でき、チームワークを重視して業務に取り組めること。 以下に関する基礎知識を有している方を歓迎します。 保護リレー 変電所監視制御システム 変電所向け保護・自動制御システム 以下の経験を有していること。 電力系統の故障計算および保護協調検討 電力設備に関するエンジニアリング業務 変電所の基本設計および詳細設計 経済産業省（METI）および／または電力会社向けの技術書類作成・提出 ETAPまたは同等の故障計算ソフトウェアの使用経験 英語による基本的なコミュニケーション能力を有し、日本語については会話・読み書きを含め流暢に使用できること。 You hold a disability certificate. You hold a bachelor’s degree. Experience in the power electronics industrial area for min.5 years is preferred. Certificate and license related to electrical systems and/or engineering Knowledge of power grid industry and business aspect with basic knowledge of high voltage switchgear (CB, DS/ES, CT&VT, SA), power grid equipment and configuration, documentation and drawing related to power grid system, JEC, JEM, JIS standard and IEC standard, electrical business act and related regulation. Understand mechanical drawing and electrical schematic diagram, experience of business communication with Japanese industrial customers. Capability of pressure self-management and mind of work as a team. Preferred basic knowledge of protection relay, substation monitoring and control system, protection and automated control system for substation. Experience of electrical fault calculations and protection coordination, engineering for power grid facilities, basic design and detailed engineering for substation and submit documentation for METI and/or power utility company also holding experience to use ETAP or any other fault calculation software. Fair communication in English, Fluent speaking, writing and reading in Japanese. More about us Working Conditions and benefits: Working hours: 900-1730 (1hr break). Flex time is applicable. Hybrid working style applicable. Benefits: Employment insurance, industrial injury insurance, health insurance, pension insurance Paid leave Bereavement leave Wedding leave Maternity leave Spousal maternity leave Parental leave Nursing care leave Are you ready for an exciting new challenge? Does the above description sound like you? Welcome to appl Our selection process is continuous, and the position may be closed before the advertisement expires. So, if you are interested – don’t delay, apply today!  All other questions can be directed to Talent Acquisition Partner: Yini Cai, LinkedIn - https://www.linkedin.com/in/yini-cai/ Accessibility and reasonable accommodation Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process. This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response. Use of Al and automated tools in recruitment As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice. Background Screening and Security Checks As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws. For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position. The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.