Sr Cyber Security Investigator - Ctj Secret jobs at Microsoft in Taiwan, Taoyuan City

Required Qualifications

• Master's Degree in Computer Science, Information Technology, or related field AND 4+ years technical pre-sales or technical consulting experience OR Bachelor's Degree in Computer Science, Information Technology, or related field AND 6+ years technical pre-sales or technical consulting experience OR 7+ years technical pre-sales or technical consulting experience OR equivalent experience.

Preferred Qualifications

• 10+ years technical pre-sales, technical consulting, or technology delivery, or related experience OR equivalent experience.
• 8+ years experience with cloud and hybrid, or on premises infrastructures, architecture designs, migrations, industry standards, and/or technology management.
• Certification in relevant technologies or disciplines (e.g., Office 365, Power BI, Azure Architect and Development exams, Cloud Platform Technologies, Information Security, Architecture).

Solution Design and Proof

Adapts and extends architecture patterns to accommodate complex customer requirements and drive integration solutions for industry flavor. Delivers assets that can be leveraged by others in the business.

The Security Models Training team builds and operates the large-scale AI training and adaptation engines that power Microsoft Security products, turning cutting-edge research into dependable, production-ready capabilities. As a, you will lead end-to-end model development for security scenarios, including privacy-aware data curation, continual pretraining, task-focused fine-tuning, reinforcement learning, and rigorous evaluation. You will drive training efficiency on distributed GPU systems, deepen model reasoning and tool-use skills, and embed responsible AI and compliance into every stage of the workflow. The role is hands-on and impact-focused, partnering closely with engineering and product to translate innovations into shipped experiences, designing objective benchmarks and quality gates, and mentoring scientists and engineers to scale results across globally distributed teams. You will combine strong coding and experimentation with a systems mindset to accelerate iteration cycles, improve throughput and reliability, and help shape the next generation of secure, trustworthy AI for our customers.

Required Qualifications:

• Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 8+ years related experience (e.g., statistics, predictive analytics, research)
  • OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research)
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 5+ years related experience (e.g., statistics, predictive analytics, research)
  • OR equivalent experience.
• 3+ years experience presenting at conferences or other events in the outside research/industry community as an invited speaker.
• Proven track record training and shipping large language models or multimodal models for production scenarios, including continual pretraining and task specific adaptation.
• Proficiency in Python and PyTorch, with hands-on experience building and debugging large-scale training jobs.

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:

Microsoft Cloud Background Check:
- This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

• Security domain experience in one or more areas: security operations, threat intelligence, malware analysis, vulnerability and posture management, anomaly detection, phishing and fraud detection, or cloud identity and access.
• Experience with distributed training and scaling techniques, for example DeepSpeed, FSDP, ZeRO, model and pipeline parallelism, mixed precision, and profiling.
• Experience with privacy preserving ML including differential privacy concepts, privacy risk assessment, and utility measurement on privatized data.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:Microsoft will accept applications for the role until October 21, 2025.

• Lead the full modeling lifecycle for security scenarios, from data ingestion and curation to training, evaluation, deployment, and monitoring.
• Architect and optimize large-scale distributed training on GPU clusters, improving throughput, reliability, and cost efficiency.
• Design and implement privacy-preserving data workflows, including anonymization, templating, synthetic augmentation, and quantitative utility measurement.
• Develop and maintain fine-tuning and adaptation recipes for transformer models, including parameter-efficient methods and reinforcement learning from human or synthetic feedback.
• Establish objective benchmarks, metrics, and automated gates for accuracy, robustness, safety, and performance, enabling repeatable model shipping.
• Collaborate with engineering and product teams to productionize models, harden pipelines, and meet service-level objectives for latency, throughput, and availability.
• Mentor applied scientists and engineers, promote strong documentation and experiment hygiene, and foster a culture of rapid iteration grounded in responsible AI principles.
• Contribute to thought leadership by staying current with the latest AI advances and translating promising techniques into practical, measurable impact.

• Demonstrated technology-related sales or account management experience

• Bachelor's Degree in Information Technology

• Cybersecurity industry experience.Microsoft security portfolio knowledge preferred

• Demonstrated experience selling complex, cloud-based solutions to Enterprise customers.

• Proven sales and negotiation experience.

• Proven self-starter able to work towards delivery of goals as best practices are being developed

• Able to drive technical security conversations and conduct product/solution demonstrations.

• Solid understanding of security market and complete solutions

• Experience in managing channel sales
• Fluent spoken German and English

• You will engage in conversations with customers aligned to their industry and collaborate with account and partner team to drive and qualify new opportunities and build pipeline.
• You will leverage digital selling including digital signals to drive customer interests and identify new stakeholders at the customer.
• You will identify customer business and technology readiness, proactively builds external stakeholders' mapping, implements strategies to accelerate the closing of deals, contributes input on strategies to drive and close prioritized opportunities, coaches junior team members in deal plan execution, and implements close plans.
• You will accelerate opportunities from the Lead stage to closing the opportunity successfully in a strong seller to seller alignment with our key security partners.​
• You will apply role orchestration model and navigates the Microsoft organization to bring the best impact to the customer.​
• You will collaborate with Global Partner Solutions (GPS), identify new partners, develop joint proposals with partners and contribute to developing partner strategies.
• You will leverage and share competitor knowledge across solution areas as a subject matter expert to inform decisions on pursuit or withdrawal.
• You will lead conversations and set up events within Microsoft, mentors others and develop strategies for best practice sharing, initiate conversations with prospective customers/partners at events, act as a subject matter expert in one or more solution area(s).
• You will collaborate with the 'compete' SMEs internally to analyze competitor products, solutions, and/or services and implement strategies and drive the execution of projects, partners and collaborates with other teams on related deliverables, and leverages others in relevant work streams.

Minimum Qualifications:

• Bachelor's Degree in Statistics, Mathematics, Computer Science or related field.
• OR 3+ years experience in software development lifecycle, large-scale computing, modeling, cybersecurity, and/or anomaly detection.
• 3+ years of software development/research experience utilizing knowledge of security/threat landscape Practical Windows internals knowledge (other OS experience may count).
• 1+ years of experience with Reverse Engineering: familiar with debuggers, disassemblers, protocols, file formats.

Other Requirements:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:

Microsoft Cloud Background Check:

• This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

• Master's Degree in Statistics, Mathematics, Computer Science or related field.
• OR 4+ years experience in software development lifecycle, large-scale computing, modeling, cyber-security, and/or anomaly detection.
• Offensive security research experience.
• Digital forensics skills Programming skills in C, C++, C# or willingness to learn Industry recognized author of security research papers, blogs, or books Low-level/security knowledge of other operating systems.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

Microsoft will accept applications for the role until August 21, 2025.

As a Security Researcher II, you will:

• Research emerging attack vectors and techniques.
• Analyze detection and prevention gaps and understand root cause.
• Design and develop detection, prevention and disruption solutions to thwart advanced attacks.
• Synthesize in-field telemetry to judge the state of threat coverage and share insights.
• Identify trends, foresee landscape direction and propose enhancements to meet the needs.
• Collaborate across teams to address systemic security issues.
• Guide design of AI based solutions to tackle hard security problems.

Required Qualifications:

• Bachelor's Degree in Computer Science, or related technical discipline with proven experience coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.
• Experience with PowerShell and C#

Other Requirements:

Security Clearance Requirements:Candidates must be able to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:

• The successful candidate must have an active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph. Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. Failure to maintain or obtain the appropriate U.S. Government clearance and/or customer screening requirements may result in employment action up to and including termination.
• Clearance Verification : This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.
• Microsoft Cloud Background Check : This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
• Citizenship & Citizenship Verification: This position requires verification of U.S. citizenship due to citizenship-based legal restrictions. Specifically, this position supports United States federal, state, and/or local United States government agency customer and is subject to certain citizenship-based restrictions where required or permitted by applicable law. To meet this legal requirement, citizenship will be verified via a valid passport, or other approved documents, or verified US government Clearance

Preferred Qualifications:

• Understanding and experience with CI/CD concepts and Git
• Experience working with Docker, Kubernetes or other containerization technologies
• Experience debugging issues ranging from the operating system, application, and all the way to the cloud
• Experience with building and supporting large-scale production services, including logging, monitoring, alerting, and measuring reliability and availability
• Experience with Azure DevOps and GitHub tooling
• Demonstrated communication skills and ability to collaborate in a multi-disciplinary team consisting of Software Engineers, Program Managers, Security Researchers, and Data Scientists

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

• Build and improve services to be scalable and highly reliable.
• Help deliver and improve engineering systems and practices to deliver services in complex cloud environments.
• Contribute to design and automate service scale features and customer requirements.
• Investigate pre-production and production issues, implement, and deploy fixes.
• Participate in an on-call rotation (typically 24/7 for one week every 6-8 weeks) within a secure facility.
• Embody our and

ooking for amodernize their security architecture and posture.be at the forefront of innovation, working onprojects that

As aSolution Engineer (SE), you will play a pivotal role indriving securityacross every stage of the development lifecycleAs a trustedapplications and agentsinto their development workflows.improve their security,modernize their

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

• Drive technical sales with decision makers using demos andPoCsto influence solution design and enable production deployments.

• Lead hands-on engagements—hackathons, code-with sessions, and architecture workshops—to accelerate adoption of Microsoft’s developer tools and cloud platforms.

• Build trusted relationships with developers and platform leads, co-designing secure, scalable architecturesand solutions

• Resolve technical blockers and objections, collaborating with engineering to share insights and improve products.

• aintain

• Develop strategies and recommendations to improve the client's security posture,shapestechnicalwin plan andtailorsMicrosoft messaging toaudiencefor security opportunities. Enhances team capabilities for extended detection and response (XDR), zero trust and cloud security and develops differentiatedcompetestrategies for Microsoft Security for assigned customers.

• Represent Microsoft through thought leadership in developer communities and customer forums

Required/Minimum Qualifications

• 4+ years experience in compliance, finance, data-analytics, investigations, or related field OR equivalent experience.
• Mustbe able to participate in a rotating on-call schedule that provides 24/7 coverage.

Other Requirements:

• Citizenship& Citizenship Verification:This position requires verification of citizenship due to citizenship-based legal restrictions. Specifically, this position supports United States federal, state, and/or local government agency customers and is subject to certain citizenship-based restrictions where required or permitted by applicable law. To meet this legal requirement, and as a condition of employment, the successful candidate’s citizenship will be verified with a valid passport.

Additional or Preferred Qualifications

• Bachelor's Degree in Business, Accounting, Criminal Justice, Law, International Relations or related field AND 8+ years experience in compliance, cyber, finance, data-analytics, investigations, or related field OR equivalent experience.
• Deep knowledge and experience in behavioral sciences, threat assessment, targeted violence and related physical security/safety risk.
• Certified Threat Manager (CTM), Professional Certified Investigator (PCI) and/or Certified Protection Professional (CPP)
• Proficient in the use of technology, computers (hardware, operating systems, networks), and software at a power user level (M365, Outlook, Excel, Word, Powerpoint, Access/SQL, PowerBI, SharePoint, Copilot, etc.).
• Possess or able to accomplish a US government security clearance.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

Microsoft will accept applications for the role until October 21st, 2025.

Case Development and Preparation

• Independently, identifies and triages highly complex, higher risk reported issues to determine their priority. Organizes information and defines next steps for investigations of high risk, impact, or exposure. Facilitates discussions on developing tactical investigation strategy and direction. Assesses and communicates immediate and potential risks to leadership and key stakeholders, and offers suggestions for overcoming potential obstacles in a timely manner.
• Independently identifies and interprets broader, complex sources of information and appropriate investigative tools and technologies to resolve investigations of high risk, impact, or exposure. Coordinates and collaborates with relevant internal stakeholders to execute objectives. Distills information from complex data to prepare investigation plans and procedures.
• Independently identifies, gathers, and reviews underlying documentation, internal and external data, relevant facts, and internal and external industry trends related to investigative matters. Compiles data from different complex sources, tracks and records the findings to assist the investigation. May collaborate with colleagues to source and interpret relevant data.
• May independently utilize advanced interview skills to schedule and conduct highly complex interviews to gather relevant information, establish facts, and determine root causes. Leverages compiled data from data review and synthesis during interviews to advance investigation. Conducts complex analyses on information gathered during interviews to validate facts, generate insights, and identify gaps or outliers in known information. Simplifies complex topics to assess root-cause analyses and remediation efforts.

Case Management

• Independently manages and monitors supplier, internal/external partner, stakeholder resources to drive cases to an outcome. May manage programs, trainings, supplier utilization strategies, and resources within budget, resulting in the utilization of resources and cost effectiveness. Drives management of stakeholder expectations.
• Independently documents complex case activities in accordance with global team standards. Develops complex reports to include relevant investigation information, maintain clear communication on the progress and next steps, and deliver succinct work products to help make informed decisions.
• Independently informs customers, partners, stakeholders, and direct management about the progress of active cases/issues, recommends next steps and actions, and communicates challenges and areas of improvement. Assists stakeholders in addressing complex risk and improving operation effectiveness and expectations. Represents Microsoft to high-profile internal and external stakeholders on complex investigative cases. Shares actionable intelligence, reports risks, and encourages feedback from the stakeholders to improve operational and investigative effectiveness. Provides input on proposed changes to improve detection of relevant information and identify gaps. Develops and/or executes a plan to improve team improvement processes.

Professional Development

• Independently develops content, and presents internal and/or external education and awareness activities, and effectively communicates internally and/or externally. Solicits feedback and takes steps to improve self-work. Acts as a thought leader in several aspects of professional areas related to investigations and security. Assists in providing case consultations to teams.
• Serves as a Trusted Leader to the business and partners.

Other

• Embody our and
• May be required to perform stressful and physical activity.
• Rapid and effective decision-making during unusual or emergency situations.
• Work in environments and under conditions that may require carrying authorized weapons and ammunition, the use of protective gear and devices, and/or awareness of personal safety and safety of others, while also engaging in physical protective duties; certifying in basic medical and use of force options through firearm qualification.
• Respond to occasional emergency situations, at any hour, with short notice.
• Travel, as required.
• Engage in rotating 24x7 On-Call assignments