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SeniorPrincipal Software Engineer Cryptography & Post-Quantum Security (Multiple Roles)

Microsoft


Job Location:

Herzliya - Israel

Monthly Salary: Not provided by the employer
Posted: 12 November 2026 (16 hours ago)
Application Deadline: 9 February 2027
Vacancies: 1 Vacancy

Department:

Software Engineering

Job Summary

Overview

Microsoft Security is committed to making the world a safer place by empowering organizations to protect their digital assets against evolving cyber threats. Through continuous innovation and a growth mindset we build cutting-edge security solutions that help customers stay ahead of emerging challenges.

Microsoft Security is launching Project Compass a new product group that addresses one of the most critical emerging challenges in cybersecurity: securing cryptographic infrastructure in the AI and quantum era. Driven by evolving threats growing customer demand and increasing regulatory requirements organizations must gain visibility control and protection over their cryptographic assets while preparing for a quantum-safe future.

The Compass engineering team will build the next generation of cryptographic security solutions from continuous discovery and risk assessment to AI-driven remediation and post-quantum readiness. Working closely with engineers security researchers and product teams across Microsoft we bring together expertise in cybersecurity AI cryptography and cloud-scale engineering. This is a unique opportunity to build a new product from the ground up and deliver solutions with global impact.

We are currently hiring for multiple Software Engineering positions across our team in Israel. By applying to this unified pipeline you will be considered for a high-impact role (at either the Senior Software Engineer or Principal Software Engineer role)

Microsofts mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset innovate to empower others and collaborate to realize our shared goals. Each day we build on our values of respect integrity and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

In alignment with our Microsoft values we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.



Responsibilities

As a Senior/Principal Software Engineer in the Compass group you will design build and deliver cloud-scale capabilities for cryptographic asset discovery risk assessment and remediation. You will use LLMs and autonomous agents to automate and enhance how organizations manage and address cryptographic risk. This role involves building practical production-grade security capabilities that help customers secure their cryptography and become quantum-safe.

  • Design implement and support cloud-scale services for cryptographic asset discovery risk assessment posture management and remediation capabilities.

  • Build AI-driven and agentic capabilities that identify prioritize and remediate cryptographic risks and speed up post-quantum readiness.

  • Collaborate with engineers security researchers product managers and cross-functional teams across Microsoft to deliver high-quality features drive innovation and meet project goals.

  • Continuously learn and apply new technologies to improve our services.

  • Contribute to the teams engineering practices and culture as an early member of a new group.



Qualifications

We are hiring for multiple roles in Project Compass a new product group in the Security GCR organization across both Senior Software Engineer and Principal Software Engineer levels.

  • You have at least 7 years of hands-on software engineering experience building production systems in languages such as C# Java Rust Go or Python.
  • Proven experience designing building and operating complex scalable reliable and secure distributed cloud services.
  • Strong system design skills for high-scale systems including architecture performance resiliency observability and maintainability.
  • Experience owning features/services/products end-to-end: design implementation testing deployment integrations and operations.

Preferred Qualifications

  • . . or Ph.D. in Computer Science Software Engineering or a related technical field (or equivalent practical experience).
  • Experience building and shipping AI/LLM or agentic capabilities in production or advanced prototypes including prompt/workflow design evaluation and integration.
  • Knowledge of security systems and cybersecurity fundamentals.
  • Extensive knowledge and hands-on experience with cryptographic infrastructures and the following: PKI keys certificates Identity and digital signatures cryptographic protocols and libraries.
  • Experience building cybersecurity products cloud security platforms or large-scale security data platforms (such as ingestion pipelines connectors and graph-based models).
  • Demonstrated ability to drive ambiguous 0-to-1 problems into clear architecture and executable milestones.
  • Strong cross-functional collaboration with engineering security research and product teams.
  • Experience in early-stage or startup-like product incubation environments.
  • Familiarity with compliance frameworks and security standards (for example: NIST FIPS PCI and sector-specific regulations).

This position will be open for a minimum of 5 days with applications accepted on an ongoing basis until the position is filled.



Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age ancestry citizenship color family or medical care leave gender identity or expression genetic information immigration status marital status medical condition national origin physical or mental disability political affiliation protected veteran or military status race ethnicity religion sex (including pregnancy) sexual orientation or any other characteristic protected by applicable local laws regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process read more about requesting accommodations.


Required Experience:

IC