Principal Software Engineer

Core Services Infrastructure and Security team in Microsoft Teams provides the foundational infrastructure, network, security, monitoring and governance to run planet scale distributed systems and microservices architecture that powers Microsoft Teams. Security and Reliability are at the heart of what this team aspires to do day in and day out. 

As a Principal Software Engineer in Teams Core Services Infrastructure and Security team you will be responsible for the Infra and Network Security, front door, routing, gateway, CDN, DNS and monitoring layers for the microservices powering Microsoft Teams. This opportunity will allow you to hone your skills in improving your security acumen working with experts in the space and become adept at troubleshooting and securing the network layer, and improve the reliability of such mission critical layers investing in active-active architectures at every possible level.

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.

Responsibilities

• Drive strategic improvements in security policy and standards across the service and other stakeholders, while prioritizing development and implementation efforts.
• Proactively address service issues to ensure solutions address threats.
• Develop, test, and implement end-to-end optimization of code. Additionally, you develop, review, and provide feedback on code, scripts, systems, and/or platforms.
• Analyze data from telemetry pipelines and monitors tools that detail operations metrics.
• Identify optimal uses for existing tools and/or models to identify contributing factors or points of failure that are affecting the efficiency of complex systems.
• Lead by example and mentors others to produce extensible and maintainable code used across products.
• Leverage 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.
• Hold 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 seek 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.
• Embody our culture and values

Qualifications

Required Qualifications:

• Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
• OR equivalent experience.
• 2+ years of experience handling security issues for large scale cloud services, network infrastructures, native applications, web applications, distributed and database systems.
• 2+ years of experience on areas like TCP/IP concepts, load balancing, CDN, ACL, routing, TLS, Certificate Lifecycle management, IP network analysis and performance and application issues using standard tools.
• OR equivalent experience.

Preferred Qualifications:

• Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
• OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
• OR equivalent experience.
• Experience leading cross-functional collaboration across multiple engineering organizations with solid incident response and ability to drive technical decisions in ambiguous environments.
• Experience with Network security, Network troubleshooting, Cloud Security, Security Policy management and Certificate lifecycle management.
• Knowledge of Cloud Infrastructure services or 'Infrastructure as a Service [IaaS]' which delivers computer infrastructure, typically a platform virtualization environment as a service.
• Knowledge of automation technologies, leveraging AI for productivity improvements, methods, and processes used for quality and cost improvements.
• Experience managing horizontal initiatives/programs that span multiple teams/services.
• OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
• OR equivalent experience.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

Microsoft will accept applications for the role until October 22, 2025.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.  We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.

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