דרושים MICROSOFT ISRAEL

We are seeking a Senior Applied Scientist to contribute to the ongoing development of Microsoft 365 Copilot in Excel, with an emphasis on optimizing LLM and Agentic workflows. This position is part of the Microsoft 365 Excel team, dedicated to pioneering advancements in generative AI. The successful candidate will possess substantial expertise in large language models (LLMs), information retrieval, and machine learning. Responsibilities include close collaboration with engineering and product teams to innovate, design, and assess comprehensive AI solutions for millions of enterprise users. This role will influence technical direction, inform product development, and foster cross-team collaboration to deliver impactful AI-driven experiences that empower users to achieve more.



Responsibilities

Youll work as part of an Applied Science team on high-impact, technically ambitious AI projects that directly shape the future of Microsoft 365 Copilot in Excel including

You will design, fine-tune, and deliver models and agentic flows for integration with Excel Agent and on-canvas experiences.
You will leverage state-of-the-art LLM fine-tuning and retrieval methods, with robust evaluation metrics and A/B testing to ensure data-driven progress.
You will gather and curate relevant benchmarks, build a comprehensive evaluation framework, and develop GPT-based evaluators (LLM-as-a-Judge). Run controlled experiments to compare performance, efficiency, and scalability using data-driven metrics and A/B testing focusing on reproducible and impactful results.
You will continuously study emerging literature, share insights with leadership and peers during research reviews and deep dives adapt quickly to new findings, and integrate them into experiments and when applicable share with broader research community.

Proactively acts as the voice of the customer/partner and internal communities leveraging relevant insights from feedback tools and systems. Proactively identifies and/or translates customer/partner problems into industry solutions. Drives self and guides other team members to focus on customer/partner experience through efficient delivery and ensuring a seamless and connected customer experience. Anticipates, identifies, escalates, and mitigates blockers using appropriate tools. Delivers solutions in line with company methodologies, ensuring proven practices and patterns are followed. Proactively identifies and anticipates new cross-solution opportunities for Consumption, Usage & Unified expansion at scale. Operates according to required operational excellence and proven practice standards throughout all sales stages/activities/tools of record. Leverages market insights and demand signals. Leads, mentors, and may assemble virtual teams using knowledge of Microsoft architectures and their context in the competitive landscape. Proactively identifies and anticipates gaps that enable solutions to scale across customers.



Responsibilities
Delivers solutions in line with company methodologies (e.g., product offerings such as value-based deliverables [VBDs], advice, training, technical validation), ensuring proven practices and patterns are followed to prepare complex customers for operational readiness and achievement of their business goals and targets. Leveraging knowledge of change management proven practices and/or involving the change management team, proactively helps the customer deploy for long-term organizational adoption to increase customer satisfaction and drive consumption/usage. Guides complex customers/partners towards a well-architected (e.g., secure, resilient, artificial intelligence [AI]-enabled), and cost- and performance-optimized solution to increase retention and expansion opportunities. Articulates the value of Unified and supports sellers, partnering with account teams to build consumption plans aligned with appropriate services. Provides feedback to Unified Delivery Team on VBDs to refine and further develop content.

Proactively identifies and anticipates new cross-solution opportunities for Consumption, Usage & Unified expansion (especially Enhanced Solutions) at scale based on business value to customer/partner and clear understanding of the Microsoft value proposition for supported platforms to empower cloud success, foster and strengthen security and resiliency, and drive AI innovation. Strategically consults with, actively listens to, and respectfully challenges customers/partners, building trust to then advocate for alternative architectures/solutions/approaches that shape and/or enhance customer requirements. Identifies, anticipates, and evaluates industry trends (e.g., customer industry verticals, information technology [IT] industry), gathers customer/partner insights (e.g., feedback around technical preferences, environments, business needs, competitive landscape), and maps both existing and novel architecture and digital transformation solutions to customer/partner business outcomes. Proactively anticipates and captures opportunities in appropriate systems, processes, and tools, working collaboratively across the organization to execute on opportunities aligned with Microsoft's Customer Engagement Model.

As part of our team, you'll collaborate with software engineers, program managers, security researchers, and data science experts to develop solutions that protect, detect, and respond to evolving cybersecurity threats. We value diversity and believe that different experiences and perspectives make our team stronger.  

If you're passionate about cyber defense and eager to make a significant impact on global security, love working with data, and want to make the world a safer place, come join us! 



Responsibilities


As a Software Engineer you will:

contribute to business-critical initiatives in Microsoft Security
Requiring deep technical skills and the ability to quickly adapt to new areas.
Will improve the end-to-end lifecycle of services
Analyze complex system behavior, and apply modern engineering practices to streamline deployments and reduce costs.
Your role involves working on high-end technologies and collaborating across disciplines to deliver impactful features.
You will also collaborate with multiple teams across Microsoft to deliver key customer solutions and support technology.

If you are a talented Applied Scientist with strong technical skills, a passion for turning data and research into real-world impact, and the ambition to design, experiment, and ship innovative ML and AI solutions, we would love to talk to you!

In our team, you will:

Develop ML models to detect and disrupt cyberattacks.

Collaborate with security experts to incorporate domain knowledge into ML solutions.

Work with truly large-scale data to create and refine high-quality training datasets.

Deploy ML models into production, monitor their performance, and continuously improve them.

Stay up to date with the latest advancements in ML/AI and apply them to complex cybersecurity challenges.

What Youll Do: Join a team of curious, collaborative, and impact-driven security researchers. In this role, youll combine technical depth with creative problem-solving to protect millions of users and shape the future of identity security.

Analyze and understand the internals of authentication/network protocols and be able to independently reproduce identity-based attacks for investigation, study and research purposes.
Become a subject matter expert of investigation, collection, analysis and forensic of identity logs, including deep understanding of current trends and landscape of identity-based attacks and exploits
Collaborate with multiple product and engineering teams to design the next iteration of sensors, implement detection ideas and validate their effectiveness using a data-driven approach.
Work together with the different engineering teams to deliver the prototype and code to support the research findings.
Provide cybersecurity expertise as needed during security escalations and incidents to help protect Microsoft and our customers.

As a Senior Security Researcher, you will lead proactive vulnerability research, developing novel proofs-of-concept and exploit chains that emulate real-world attackers. You will discover vulnerabilities across AI systems, validate exploitability, and work closely with engineering and product teams to drive remediation. The vulnerabilities you will find will impact hundreds of millions of users!



Responsibilities
Become a founding member of the AIAL group as part of Microsoft Red Team. Help shape the team culture and practices.
Research and discover zero-day vulnerabilities in AI applications, models, and AI service ecosystems. Work closely with Red Team operators and engineering teams to address findings and strengthen resilience of AI-driven systems.
Analyze a wide array of data sources to identify potential security weaknesses and breach points within Microsofts AI infrastructure.

Develop tools and techniques to scale and accelerate adversary emulation and vulnerability discovery.

Advocate for security change across the company through building partnerships and clearly communicating impact of risks.

we are looking for a researcher who can help us stay ahead of the curve. In this role, youll research and build defenses across AI systems, agentic protocols, Identity platforms, and SaaS applications. One day you might analyze a new class of AI prompt injection attacks or Agents abuse, the next youll be hunting through data or creating novel protection mechanisms for them. Youll work closely with product teams to turn research prototypes into real security features. Join our threat protection research team and be part of a team who contributes to Microsofts most advanced and innovative security solutions.

Responsibilities
Responsibilities - - Research and develop detection methods for new and advanced attack techniques - from exploits to implants. Build end-to-end PoCs, from offensive testing to scalable detection, across all our cloud and identity platforms. - Stay up to date on the latest attack trends and build strong detections across the kill chain - covering agentic AI & LLM threats, cloud and identity-based attacks. - Collaborate with multiple product and engineering teams to design the next iteration of security products, implement detection ideas and validate their effectiveness using a data-driven approach. - Collaborate with data science teams to drive ML based protections, understand, and identify detection gaps, capabilities, assumptions, and improvements - Provide cybersecurity expertise as needed during security escalations and incidents to help protect Microsoft and our customers

we are looking for a dynamic and collaborative team environment, come talk to us!



Responsibilities
If you are passionate about advancing security and staying ahead of sophisticated threats, this is your opportunity. As a Backend Software Engineer, you will:

Design, develop, and maintain security solutions for Edge and cloud environments, focusing on cryptography, keys and certificates.

Lead technical architecture and design discussions, driving innovation in secure Azure Edge technologies across Windows and Linux.

Collaborate with cross-functional teams to deliver scalable, reliable, and efficient security features for Microsoft Specialized Clouds.

Mentor junior engineers, fostering a culture of excellence, collaboration, and continuous learning.

Analyze emerging security threats and implement proactive measures to protect users, devices, and cloud workloads in the edge.

We are seeking an experienced and visionary Principal Product Design Manager to lead UX for Microsofts XDR, SIEM, and Security Copilot experiences across the Defender product suite. In this pivotal role, you will shape the design strategy for mission-critical security tools that empower practitionersfrom SOC analysts to CISOsto protect their organizations with confidence.

You will guide a talented team of designers, fostering a culture of innovation, inclusion, and excellence. Partnering closely with engineering, product, and research, youll drive an AI-first approach to design, delivering intuitive, scalable solutions that help customers detect, investigate, and respond to threats across their digital estate.

This role demands a leader who thrives in complexity, champions customer empathy, and brings deep expertise in enterprise product design. Your work will directly support Microsofts mission to make the world a safer placeby protecting users, organizations, and the broader ecosystem from evolving cybersecurity threats.



Responsibilities
Deliver world-class design solutions from initial concept through finished product 

Provide insightful perspectives and ideas that will help shape the direction of company-wide investments in the security space.

Advocate for your design solutions by putting them in context of business, user goals, and ecosystem considerations.

Incorporate system and framework thinking and pattern-matching into solutions to reinforce integrity of design system and product cohesion

Contribute to the visual systems and visual language for a product.

Work closely and constructively with product management, content designers, user researchers, engineers and other designers to iterate and deliver design artifacts and solutions.

Create wireframes, journey maps, prototypes and detailed mockups to iterate on product scenarios.

Seek out and incorporate the feedback of the design team to refine your designs and align to larger product patterns.

Clearly communicate your work to peers and leadership.

Work alongside leadership team members to create compelling narratives for a specific product or feature and develop product architectures and systems.

Contribute to evaluating and prioritizing work.

Ship world-class applications that delight technical roles with an emphasis on AI, craft, quality, trust, and positive user and societal impact.

Own multiple product areas, identify new opportunities and generate innovative through deep customer understanding, ensuring the experience vision is driven by user needs and manage launches and iterations.

Find your own path to get things done despite roadblocks to get your work into the hands of users quickly and iteratively.

Cross-functional and cross-divisional communication and dependency management, scoping and scheduling, and seeing through implementation by collaborating with engineering through the finish line.

Thrive in a complex, design-driven, product development cycle. Measure success with data and research.

Embody our culture and values

Travel: 10%

In this role, you will work at the forefront of automated attack disruption, developing capabilities that detect and respond to advanced threats in real time, regardless of the attack workflow or stage in the kill chain. You will examine diverse and complex signals across on-premises, hybrid, and cloud environments, hunting for emerging adversary techniques, uncovering novel patterns of malicious behavior, and transforming research findings into practical, scalable protection. Your work will span from the earliest ideation stages to production-ready, customer-facing capabilities: researching and modeling attack techniques, identifying the necessary telemetry, designing robust detection logic, and ensuring that our automated disruption mechanisms can respond effectively in real-world conditions. This is an opportunity to have a direct impact on the security of organizations worldwide by building autonomous defense systems that stay ahead of evolving threats and protect customers at scale. You will collaborate closely with engineers, threat analysts, and product teams, bringing creativity and rigor to the challenge of stopping some of the most advanced attacks in the industry before they can cause harm. Our team values diversity and strives to hire individuals with varied experiences and perspectives. We understand that no candidate possesses every desired skill and experience, but together, we form a strong, effective team.



Responsibilities
Provide cybersecurity expertise as needed during security escalations and incidents to help protect Microsoft and our customers
Proactively hunt across diverse signal sources including on-premises, hybrid, and cloud environments
Stay current with the latest cyberattack trends and design robust, sophisticated detection logic across the full attacker kill-chain.
Build and implement innovative automated disruption capabilities that autonomously detect and mitigate attacks in real time.
Collaborate with engineering and product teams to design security sensors, validate protection ideas, and measure effectiveness using data-driven approaches.
Contribute to the broader security community by authoring technical blogs, sharing research findings, and presenting at leading security conferences.