JobsPrincipal Security Engineer
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Principal Security Engineer

Microsoft

Location

Redmond, WA, Mountain View, CA, Hillsboro, OR, Austin, TX, Raleigh, NC

Type

Full-time

Posted

10/15/2026

Compensation

$142,800 - $304,200 per year

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

Job description

The Principal Security Engineer role is part of the Systems Planning and Architecture (SPARC) team within Microsoft's Azure Hardware Systems and Infrastructure organization. This team is responsible for innovating hardware designs that support Microsoft's cloud growth and services. The role focuses on secure silicon design and involves collaboration across various phases of product development, including architecture and manufacturing. The engineer will work on security protocols and contribute to the development of firmware for hardware security solutions.

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 6+ years 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.
  • 10+ years of professional experience designing and developing security critical code is preferred.
  • Familiarity with standard Cryptography algorithms is preferred.
  • Proven and demonstrable skill in Rust, C, C++ is preferred.

Responsibilities

  • Design and develop firmware for Hardware Security Modules (HSMs), security accelerators, and Root of Trust (RoT) solutions.
  • Contribute to all phases of product development, including architecture, design, implementation, integration, and validation for security-focused SoCs.
  • Define and implement bootloader and embedded kernel architectures to support secure and reliable system initialization.
  • Develop secure firmware supporting security protocols, key management, attestation, and cryptographic services.
  • Implement and optimize secure boot flows to ensure trusted device startup and firmware integrity.
  • Diagnose and resolve complex firmware issues through root cause analysis, debugging, and troubleshooting.
  • Collaborate with cross-functional hardware, software, and security engineering teams to deliver secure embedded solutions.

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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