JobsSenior & Principal Software Engineer - Systems & Infrastructure
Microsoft logo

Senior & Principal Software Engineer - Systems & Infrastructure

Microsoft

Location

Mountain View, CA

Type

Full-time

Posted

9/24/2026

Compensation

$119,800 - $304,200 per year

Undergraduate with 5+ Years of Experience
Master's with 5+ Years of Experience
H-1B FY202696.0% approval-64% YoY
👑 Elite sponsor

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.

Is this posting expired or inaccurate?