JobsPrincipal Software Engineer
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Principal Software Engineer

Microsoft

Location

United States

Type

Full-time

Posted

9/24/2026

Compensation

$142,800 - $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 Principal Software Engineer will join the Virtualization Core Platform engineering team at Microsoft, focusing on enhancing the high-performance, security-critical virtualization platform, particularly the hypervisor and Virtual Machine Monitor (VMM). This role involves collaborating with various teams to deliver innovative virtualization technology that powers virtual machines and containers across multiple environments. The engineer will also provide architectural leadership and technical mentorship while promoting high-quality engineering practices. The position emphasizes continuous learning and collaboration within a culture that values respect, integrity, and accountability.

Requirements

  • 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++, or Rust.
  • Ability to meet Microsoft, customer and/or government security screening requirements.
  • 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++, or Rust.
  • 7+ years of experience in hypervisor, VMM, kernel, or virtualization-stack programming.
  • Architectural skills demonstrated through the design and implementation of complex systems software.

Responsibilities

  • Define architecture and deliver foundational capabilities as a key technical leader within Microsoft’s Virtualization Core Platform team.
  • Design, implement, and deliver innovative features across Microsoft’s virtualization platform, with a focus on the hypervisor and VMM.
  • Collaborate with a dynamic team of engineers and mentor engineers across the team through design guidance, code reviews, and technical problem-solving.
  • Continuously learn, share technical knowledge, and promote sound engineering practices across the team.
  • Diagnose and resolve complex low-level hardware and software interactions at the core of Microsoft’s virtualization platform.

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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