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Principal Engineer - Physical Security Innovation

Ireland, Dublin · Job Posted March 25, 2026
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Job Description

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 and we need you as a Principal Engineer, Physical Security Innovation. Microsoft’s Cloud Operations & Innovation (CO+I) is the engine that powers our cloud services. As a Principal Engineer, Physical Security Innovation, you will perform a key role in delivering & sustaining physical security infrastructure and foundational technologies for Microsoft's online services including Bing, Office 365, Xbox, OneDrive, and the Microsoft Azure platform. Our infrastructure is comprised of a large global portfolio of more than 100 datacenters and 1 million servers. Our foundation is built upon and managed by a team of subject matter experts working to support services for more than 1 billion customers and 20 million businesses in over 90 countries worldwide. This will include the ability to work across our global portfolio of datacenters to identify security technologies and solutions to protect the current and next generations of datacenters. Security innovation and technologies will maintain our datacenter compliance goals while working to improve the datacenter experience with modern solutions. This is a high visibility position in an area of large and expanding investment for Microsoft and offers a terrific opportunity for technical and career growth.

Job Responsibility

  • Physical Security Innovation: Drives the strategy for introducing new security concepts and technologies into an existing, global, and expansive datacenter portfolio.
  • Customer/Partner Results: Helps to make connections and assist in developing agreements among groups to clarify priorities, dependencies, and provide coordination across groups.
  • Planning and Research: Influences product schedules, dependencies and risk assessments as part of security design and analysis.
  • Security Issues Analysis: Defines the strategic vision and leads execution of roadmap for security initiatives.
  • Security Reviews and Reporting: Leads large-scale security and architectural design reviews for feature areas.
  • Solution Engineering and Mitigation: Identifies, prioritizes, and targets complex security issues that cause significant negative impact to customers.
  • Subject Matter Expertise: Helps others by sharing expertise to identify potential security issues, tools, mitigations, and processes.

Requirements

  • Master's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND several years of experience in physical security design, engineering, construction and technical operation, threat modeling
  • OR Bachelor's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND several years of experience in physical security design, engineering, construction and technical OR equivalent experience.
  • Several years of experience with physical security systems and programs.
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Nice to have

Master's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND several of years experience in physical security design, engineering, construction and technical OR Bachelor's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND several years of experience in physical security design, engineering, construction and technical OR equivalent experience.

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