Security Jobs in Japan

セキュリティエンジニア

東京都北区

仕事内容弊社グループの経営理念は「ＩＴで人を幸せにする会社」の実現です。コンサルIT事業・金融不動産事業・観光飲食エンタメ事業の3事業体制を構築し、 ITを活用した事業推進をいたしております。ＡＩ経営のコンサルから情報システムの企画、設計、開発、保守運用、研修まで一括したサービスを提供いたしております。 ●職種：セキュリティエンジニアＩＴシステムのセキュリティ設計、監視、対策等…

from 5M JPY

株式会社UKnet

Security engineer at UKnet handling security design, monitoring, and countermeasures for the group's AI, cloud, and business systems — covering requirement definition, vulnerability assessment, cloud/network/endpoint protection, incident response, and AI governance. Requires 3+ years of IT industry experience; based at the Tokyo HQ in Kita-ku with flex time and a monthly salary from ¥300,000.

from 5M JPY

USEN＆U-NEXT GROUP

【USEN ICT Solutions】脆弱性診断　セキュリティエンジニア（大阪）

大阪市中央区, 大阪府

Security engineer at USEN ICT Solutions (USEN & U-NEXT Group) who runs vulnerability assessments and penetration tests for corporate clients, supports Japan's new SCS (supply-chain security) evaluation scheme, and helps expand the security service line via content creation, seminars, and sales support. Based in Osaka with a full-remote option.

6M – 7M JPY

株式会社カミナシ

ENG-9001. シニアソフトウェアエンジニア (セキュリティエンジニアリング)

APACSenior

東京都千代田区神田鍛冶町3-7 神田カドウチビル3F ※屋内の受動喫煙対策あり（禁煙）

Senior security engineer at Kaminashi, a Tokyo SaaS company whose platform digitizes field operations for non-desk workers. The role drives security strategy across cloud infrastructure and product teams: handling AWS Security Hub findings, managing dependency vulnerabilities, reviewing designs, and building incident-response processes, using AWS/GCP, Terraform, Go, and TypeScript.

AWS Datadog Docker GCP Git +11 skills

8M – 15M JPY

株式会社Spider Labs

Solutions Engineer — Ad Fraud, Cybersecurity & AI Agentic Trust (Japan)

APACFull-time

107-0062 Tokyo, Minato City, Minamiaoyama, 7 Chome−10−3 Minami Aoyama St Building 4th Floor

Solutions Engineer — Ad Fraud, Cybersecurity & AI Agentic Trust (Japan) 仕事概要 About Spider AF Spider AF protects trust online. We started in ad fraud, helping companies detect, block, and prevent fraudulent traffic so…

Agentic AI AI BigQuery Cybersecurity Looker +3 skills

Sakana AI

Security Engineer, Detection & Response

APAC 8 questions

港区麻布台1-3-1 麻布台ヒルズ森JPタワー22F, Tokyo

Sakana AI のセキュリティチームで、検知インフラとインシデント対応の設計・改善を担うエンジニアを募集します。…

AI AWS Azure Cloud Cybersecurity +9 skills

Nexus Corporation

AIOps / GitHub / DevSecOps Consultant

Agentic AI AI Ai Enablement Azure Azure DevOps +12 skills

Tokyo

私たちは、エンタープライズにおけるAI活用、AIOpsの実装、ならびにGitHubおよびDevSecOpsの変革に向けた取り組みを主導できる経験豊富なプロフェッショナルを募集しています。本職務は、開発者の生産性向上とソフトウェア開発ライフサイクルの近代化を推進する役割を担います。主な職務： GitHub Copilot、GitHub Enterprise、GitHub Models、GitHub…

株式会社ELYZA

1E08. コーポレートIT／情報セキュリティエンジニア

Open 50d APAC

### 【本社所在地】 ◆東京都文京区本郷3-15-9 SWTビル 5・6F ### 【就業場所】 ◆本社または自宅（変更の範囲なし）リモートワーク環境あり。その日によって出社、リモートワークを選択いただけます。ただし本ポジションは、業務内容の兼ね合いで、週1～3日程度の出勤が求められる場合があります。状況に応じてご相談します。

Corporate IT / information security engineer at ELYZA, a Tokyo AI company building LLM and physical AI products. The role leads corporate security (ISMS, monitoring, vendor risk) and/or internal IT infrastructure (SaaS, devices, cloud, network), while designing and rolling out AI-driven business workflows. Hybrid: Tokyo HQ or home, with 1-3 office days per week.

AI Claude Code Notion SaaS

8M – 13M JPY

Renesas Electronics

Staff or Principal Functioanl Security Engineer

RemoteAPACPrincipal

Agile AI C++ Cybersecurity Embedded Systems +6 skills

Kodaira

You will play a key role in strengthening the security of Renesas Embedded Processing (EP) products, including MCUs, MPUs, wireless connectivity devices, AI accelerators, and system solutions. As a member of the EP…

Renesas Electronics

Staff or Principal Functioanl Security Engineer

APACPrincipal

Kodaira

【募集背景】欧州サイバーレジリエンス法（CRA）などのセキュリティ規制への対応や、耐量子計算機暗号（PQC）などの次世代暗号技術への移行に伴い、組み込み機器のセキュリティ対策はますます重要になっています。本職務は、ルネサスの組み込みプロセッシング（EP）向けセキュリティ製品の規制対応と次世代セキュリティ技術の導入を推進し、同社の競争力を高める重要な役割を担います。【主な業務内容】 ■…

Agile C++ Linux RTOS TLS

マックス株式会社

セキュリティエンジニア／セキュリティコンサルタント

佐波郡玉村町, 群馬県

Security engineer/consultant at Max Co., an 82-year-old Japanese manufacturer of office products (staplers), housing equipment and care goods. Day to day: analyzing and mitigating security-system risks, running PSIRT operations and training, handling security incidents, and operating/maintaining product security systems on-site in Gunma.

6M – 9M JPY

株式会社MHIパワーコントロールシステムズ

セキュリティエンジニア／ネットワーク設計・構築（LAN・WAN・インターネット）

横浜市, 神奈川県

Security engineer at a Mitsubishi Heavy Industries group company that builds control systems for power plants. The role covers security system development, LAN/WAN/Internet network design, server environment setup, and design, testing and maintenance of related Windows/Linux software to protect energy infrastructure.

【2028年新卒】セキュリティエンジニアコース

Job

Incident Response Lead - 1372561 (JPN)

APACLead

Android Azure Burp Suite Cloud C++ +14 skills

Lead sophisticated digital forensics and incident response engagements: investigate breaches, perform host/network forensics across all major OSes, conduct malware analysis, give expert testimony, and supervise DFIR staff. Core stack: EnCase, X-Ways, FTK, Volatility, Python, and cloud platforms; fluent English and Japanese required.

Director, Cyber Security - 1372493 (Tokyo, 13)

Cissp Cloud Cybersecurity Nist Pci Dss

Director-level role leading the cyber security unit (8 associates plus offshore teams) of a Tokyo-based life insurance company's Japan information security group. Day to day involves managing security operations, threat and vulnerability management, incident readiness, audits, and secure cloud adoption while coordinating with global counterparts. Requires 7+ years hands-on cyber security experienc

Cyber Security Engineer - 1380405 (JPN)

Cism Cissp Cloud Cloud Security Cybersecurity

Manager for a System Security Department who handles cybersecurity strategic planning, system implementation projects and technical measures, group/global security cooperation, and audit responses. Requires 3+ years in security planning and basic IT infrastructure knowledge (networks, servers, cloud).

Cybersecurity Consultant - 1450726 (JPN)

Automation Cybersecurity IoT Penetration Testing Vulnerability Management

Cybersecurity consultant on a consulting firm's security team, conducting vulnerability assessments and penetration testing across networks, servers, web apps, databases, cloud and IoT for global companies and Japanese branches of foreign firms, plus red team/TLPT and continuous vulnerability management. Requires 2+ years in security consulting and Japanese/English bilingual skills.

Information Security Officer - 1438660 (JPN)

Authentication AWS Cissp Cloud DAST +4 skills

Information Security Officer on the Technical Security Assurance Team at a client firm: reviews IT project architectures for security, runs security advisory services, manages application security testing (SAST/DAST/IAST and pen tests), and supports IT audits. Needs experience in security ops, AWS access control, IT audit, or architecture, plus fluent Japanese; CISSP/CISA/AWS certs are a plus.

株式会社インフォマート

IT統制 / ITガバナンス・リスク・コンプライアンス（GRC）スペシャリスト

APACFull-time

AWS Azure CI/CD Confluence Jira +1 skills

世田谷区, 東京都

「世の中の役に立つ、まだ誰もやったことのない事業を創りたい」という思いのもと、日本におけるインターネットの人口普及率が13％程であった時代にインフォマートは生まれました。…

株式会社ステップITソリューション

セキュリティエンジニア

APACFull-time