Principal Reliability Engineer Jobs

Principal Reliability Engineer jobs are open across cloud infrastructure, fintech, healthtech, and enterprise software, from senior engineer to staff and principal levels, with specializations in SRE practice leadership, incident management, and distributed systems reliability. See the openings below and apply to the ones that match your experience.

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Overview

Open roles69
Top stateCalifornia
Top employerNorthrop Grumman
Top citySanta Clara, CA
Work type57% Hybrid
Top industryTechnology

Showing 5 of 69+ Principal Reliability Engineer jobs

Principal / Sr. Principal Engineer Reliability
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New 17h ago
Principal / Sr. Principal Engineer Reliability
Northrop Grumman
Elkton, Maryland
Cloud & DevOps
Cloud Engineering
Network Engineering
Systems Administration
$99k - $185k/yr
Bachelor's degree in mechanical engineering
10,000+

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Principal Site Reliability Engineering Manager
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Added 1d ago
Principal Site Reliability Engineering Manager
Microsoft
Redmond, Washington
Project Management
Solutions Engineering & Architecture
Technical Program Management
$143k - $304k/yr
Doctoral degree
10,000+

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Senior Principal Site Reliability Engineer
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Added 1d ago
Senior Principal Site Reliability Engineer
Oracle
Nashville, Tennessee
Quality Assurance & Testing (QA Testing)
Software Engineering
Technical Program Management
10,000+

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Principal Platform Engineer – Kubernetes Reliability and Distributed Systems
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Added 2d ago
Principal Platform Engineer – Kubernetes Reliability and Distributed Systems
Hewlett Packard Enterprise | HPE
Fort Collins, Colorado
Customer Support
Solutions Engineering & Architecture
Technical Product & Program Management
Technical Program Management
$166k - $314k/yr
10,000+

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Lead Principal Reliability Engineer - Electrical (Nashville, TN on-site)
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Added 3d ago
Lead Principal Reliability Engineer - Electrical (Nashville, TN on-site)
Oracle
Nashville, Tennessee
Construction Management
Engineering (Non-Software)
On-Site
Bachelor's degree in electrical engineering
10,000+

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Principal Reliability Engineer Jobs by Experience Level

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Principal Reliability Engineer Job Market

Who's Hiring

Northrop Grumman7 open roles
BAE Systems USA5 open roles
Oracle3 open roles

Top Industries Hiring

  • Technology & Software
  • Electronics & Hardware
  • Manufacturing
  • Medical Devices
  • Telecommunications

What Employers Look For

The qualifications that appear most often in principal reliability engineer jobs.

  • 7 or more years of experience in site reliability engineering or a closely related infrastructure role
  • Deep expertise in SLO and SLI design, error budget management, and blameless postmortem facilitation
  • Proficiency with Kubernetes, cloud platforms such as AWS, GCP, or Azure, and infrastructure-as-code tooling
  • Experience leading incident response programs, on-call rotations, and reliability engineering across distributed systems
  • Strong software engineering skills in Python, Go, or Java, with ability to review and contribute to production code
  • Bachelor's degree in computer science, software engineering, or a related technical field, or equivalent practical experience

Tips for Your Principal Reliability Engineer Job Search

Quantify reliability outcomes on your resume

Principal-level roles require proof of system-wide impact. Replace vague claims with specific reliability improvements you owned: error budget reductions, MTTR decreases, or the scale of systems you brought from ad hoc incident response to mature SLO frameworks.

Target postings that name on-call ownership

Job listings that call out on-call escalation ownership, incident command, or blameless postmortem culture signal a mature SRE org. Those roles value the operational judgment a principal brings more than ones that treat reliability as a secondary DevOps function.

Apply early to roles that fit

Migrate Mate lists principal reliability engineer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.

Align your portfolio to SLO design examples

Bring documented SLI and SLO designs you've authored, not just participated in. Hiring managers at the principal level want to see your reasoning process for defining reliability targets, including how you handled stakeholder pushback or misaligned incentives from product teams.

Prepare a cross-team influence story for interviews

Principal reliability engineers are expected to shift engineering culture, not just fix systems. Interviewers will probe for examples where you drove reliability practices across teams without direct authority, so rehearse two or three concrete cases with measurable outcomes before you go in.

Negotiate scope alongside compensation

At the principal level, the breadth of your charter matters as much as pay. During offer discussions, clarify whether the role owns reliability standards org-wide or only within one product area, since that scope difference affects your career leverage and day-to-day impact significantly.

Principal Reliability Engineer Jobs: Frequently Asked Questions

Which companies are hiring the most principal reliability engineers?

Northrop Grumman, BAE Systems USA, and Oracle are hiring the most principal reliability engineers right now, with openings concentrated in California, Utah, and Maryland, based on current listings on Migrate Mate as of November 2026. Demand is highest at large cloud-native companies and financial services firms scaling their reliability programs.

How many principal reliability engineer jobs are remote?

About 79% of principal reliability engineer openings are fully remote or hybrid as of November 2026, reflecting the infrastructure-heavy nature of the role and the fact that most reliability work is tool-mediated. SRE practice leadership and incident program design roles tend to be the most remote-friendly, while roles tied to regulated industries or on-site data center operations are more likely to require a physical presence.

How do you become a principal reliability engineer?

Most principal reliability engineers progress from senior SRE or senior software engineer roles by taking on cross-team reliability ownership. The path typically involves leading SLO adoption at scale, owning incident response programs end to end, mentoring junior SREs, and influencing reliability practices beyond your immediate team. Building a portfolio of documented reliability frameworks you designed and shipped accelerates promotion conversations considerably.

Can I get a principal reliability engineer job with limited experience?

Moving directly into a principal reliability engineer role with limited SRE experience is uncommon because the title signals org-wide technical authority, but there are realistic entry points. Engineers with strong distributed systems backgrounds who can demonstrate SLO design thinking and incident leadership sometimes land principal titles at smaller companies or startups where the bar is set by impact over tenure rather than years of service.

What does the principal reliability engineer interview process look like?

The process typically runs four to six rounds and includes a technical screen on systems design and failure mode analysis, a coding or debugging exercise focused on infrastructure or tooling, and a behavioral round probing cross-functional influence and incident leadership. Many companies add a presentation round where you walk through a reliability improvement you owned end to end, so prepare a detailed case study before your loop begins.

Where can I find and apply to principal reliability engineer jobs?

You can find and apply to principal reliability engineer jobs on Migrate Mate, which lists current openings from across the United States. Search for roles that match your specialization and experience level, then apply directly to each listing that fits.

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