Senior & Principal Software Engineer - Systems & Infrastructure
MicrosoftSenior & Principal Software Engineer - Systems & Infrastructure
MicrosoftLocation
Mountain View, CA
Type
Full-time
Posted
9/24/2026
Compensation
$119,800 - $304,200 per year
Job description
The role is for a Senior or Principal Software Engineer in the AI Infrastructure Engineering Systems team at Microsoft. This team focuses on building the cloud platform and engineering infrastructure that supports AI services at scale. The engineer will be responsible for technical strategy and solution architecture for complex infrastructure requirements. The position involves designing large-scale distributed systems and collaborating with various teams to enhance AI workloads.
Requirements
- Bachelor's Degree in Computer Science or related technical field AND 4+ years of technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python.
- Ability to meet Microsoft, customer and/or government security screening requirements.
- Master's Degree in Computer Science or related technical field AND 6+ years of technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years of technical engineering experience with coding in languages including C, C++, C#, Java, JavaScript, or Python.
- Experience architecting, building, and operating large-scale distributed systems.
- Familiarity with AI/ML infrastructure concepts, such as model inference, GPU computing, model serving, or distributed training.
Responsibilities
- Own technical strategy and lead architecture discussions for complex infrastructure requirements.
- Design, implement, and optimize large-scale distributed systems for performance and security.
- Improve system observability through metrics, logging, and tools that support developer productivity.
- Diagnose production issues and implement preventive actions to enhance reliability.
- Collaborate across infrastructure and AI teams to improve the performance of AI workloads.
- Mentor engineers and iteratively deliver software at scale.
Benefits
- Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.
H-1B filing history
Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026
Filing entity: Microsoft Corporation
As of Aug 23, 2026
Initial approvals
503
FY2026
Approval rate
96.0%
FY2026
LCA certified
3,062
FY2026
Entry-level share
5.7%
FY2026
Initial approvals YoY
-64%
Trend
LCA certified YoY
-83%
Trend
Initial approvals by fiscal year
Approval rate by fiscal year
Continuing vs initial approvals
LCA certified positions by quarter
LCA certified positions by fiscal year
Based on public USCIS and DOL filings; not a sponsorship guarantee.
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