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Principal Software Engineer

Microsoft

Microsoft

Software Engineering
Posted on Oct 1, 2025

Principal Software Engineer

Multiple Locations, Ireland

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Date posted
Oct 01, 2025
Job number
1881286
Work site
3 days / week in-office
Travel
0-25 %
Role type
Individual Contributor
Profession
Software Engineering
Discipline
Software Engineering
Employment type
Full-Time

Overview

Are you looking for an opportunity to build software and systems for some of the biggest data centers that exist in the world? The Azure Networking team is responsible for designing and building the software defined network infrastructure that powers millions of servers around the globe for Azure, Bing and other Microsoft cloud services. Azure Networking is at the forefront of Hyperscale Cloud Computing and runs one of the largest datacenter network infrastructures in the world. With the explosion of artificial intelligence (AI), Microsoft has been at the forefront of developing and adopting AI technologies. Meeting the next waves of AI technologies requires new generations of network, and the Azure Networking team is tasked to design and build the next generation of AI networks.


Azure Networking team is looking for world-class Software Engineers to help us in building the highest quality software to manage global scale AI networks.

Microsoft’s 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.

Qualifications

Required Qualifications:

  • Bachelor's Degree in Computer Science or related technical field AND senior-level technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.

Other Qualifications:

  • 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 Cloud Background Check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

  • Master's Degree in Computer Science or related technical field AND technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.
  • Networking fundamentals
  • Network security

#azurecorejobs

Responsibilities

  • Partners with appropriate stakeholders to determine user requirements for a set of scenarios.
  • Leads identification of dependencies and the development of design documents for a product, application, service, or platform.
  • Leads by example and mentors others to produce extensible and maintainable code used across products.
  • Leverages subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to drive multiple group's project plans, release plans, and work items.
  • Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions.
  • Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
Industry leading healthcare
Educational resources
Discounts on products and services
Savings and investments
Maternity and paternity leave
Generous time away
Giving programs
Opportunities to network and connect

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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.