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Added 3 mins ago
G
Service Sales Engineer
GPAC
Santa Ana, CA
- $80,000 to $140,000 USD / year
Review plans, specifications, equipment schedules, and project documents to develop accurate system takeoffs
Added 12 mins ago
C
Chief Bldg Engineer Supervisor
CBRE
Fort Myers, FL
- $43.27 to $45.67 USD / hour
Impact the achievement of customer, operational, project, or service objectives across multi-discipline teams.
Added 13 mins ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
We are looking to welcome a Principal Software Engineer to a group of innovative, energetic and diverse engineers on the CoPilot Runtime Platform team, which is the engineering organization…
Added 13 mins ago
Sr. Site Reliability Engineer, Playout
NBC Universal
Miami, FL
…Stations, Bravo, and Peacock, our premium ad-supported streaming service. We produce and distribute premier filmed entertainment and programming through our powerhouse film and television…
Added 23 mins ago
M
Software Engineer II - CTJ - TS/SCI
Microsoft
VA · WA · Reston, VA · Redmond, WA · Reston · Redmond
- $102,100 to $219,200 USD / year
Microsoft has an exciting opportunity for a Software Engineer in the Cloud+AI Silver Team. This team will be responsible for deploying and operating a Secure Work Area, including the…
Added 34 mins ago
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Electrical Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
Customer service focus, with the ability to communicate with highly technical management teams.
Added 50 mins ago
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Lead Software Engineer - City
OKC
OKLAHOMA CITY, OK · Oklahoma City, OK
- $39.52 to $60.39 USD / hour
At the City of Oklahoma City, our Total Rewards package is designed to honor your service, fuel your growth, and support every part of your life. We offer:
Added 55 mins ago
Neutron, Gamma, and Particle Sensing Systems Engineer (R&D Engineer 4)
Los Alamos National Laboratory
Los Alamos, NM
The Space Systems Engineer is a recognized technical expert in the development, testing, and operation of spaceflight payloads, provides technical and programmatic reporting to internal and…
Added 55 mins ago
R&D Engineer 2/3
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 2 or R&D Engineer 3 level, depending on the qualifications and experience of the selected candidate. Additional responsibilities will…
Added 55 mins ago
R&D Engineer 3/4
Los Alamos National Laboratory
Los Alamos, NM
…have greater complexity and consequences. In addition, R&D Engineer 4's will serve as team leaders for high-consequence DAQ supported initiatives, requiring solid leadership and project…
Added 55 mins ago
Linux Systems Engineer (Cybersecurity Technical Staff 1)
Los Alamos National Laboratory
Los Alamos, NM
Demonstrated commitment to customer service and continuous learning.
Added 55 mins ago
Shock and Vibration Test Engineer (R&D Engineer 2/3)
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 2 or 3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if…
Added 55 mins ago
Structural Dynamics Engineer (R&D Engineer 2/3)
Los Alamos National Laboratory
Los Alamos, NM
The Test Engineering Group (V-14) is responsible for system level testing that includes project initiation, experimental design and analysis, hardware design and analysis, and fabrication…
Added 1 hour ago
Lead Field Service Engineer – Automation
GE Vernova
Unspecified, RI
When you join us, you’re not just providing field service – you’re ensuring the operational excellence of high-performance systems that power the most demanding industrial and marine…
Added 1 hour ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Providence, RI
- $131,000 to $174,000 USD / year
…application pods (software, hardware and electronic design, and project and portfolio management tools) for US and UK…
Added 1 hour ago
Sr. Principal Quality Engineer
Cardinal Health
Earth City, MO
Quality Engineering manages product and service quality planning, evaluation and control. This job family works cross-functionally in the development and implementation of prevention-based…
Added 1 hour ago
Senior Cloud Engineer - AWS w/Public Trust
TekSynap
Suitland, MD
We are seeking a Senior Cloud Engineer – AWS.
Added 1 hour ago
Senior Software Engineer (Ansible Automation)
Sealing Technologies
Columbia, MD
…solve complex challenges with speed and confidence. We design, engineer, and deliver products and deployable technologies built for environments where traditional infrastructure falls…
Added 1 hour ago
Field Engineer
GD Information Technology, Inc.
United States
As a Field Engineer Senior, the work you’ll do at GDIT will be impactful to the customer’s mission. You will:
Added 1 hour ago
EC
Senior Manufacturing Engineer
Eaton Corporation
Arden, NC
- $86,000 to $126,000 USD / year
Eaton’s Electrical Sector ARS - PDCA division is growing and currently seeking a Senior Manufacturing Engineer based onsite at our Avery Creek, NC manufacturing facility.
Added 1 hour ago
Software Development Engineer, DevX LIFT
Amazon
Raleigh, NC
…vision, design, roadmap, development, and operationalization of customer-facing services. You will be given an outcome and the freedom to set the direction based on data driven decisions.…
Added 1 hour ago
Engineer I - CC
Pike Corporation
Raleigh, NC
Pike is a family-oriented workplace with a strong culture of safety, collaboration, innovation and exceptional customer service.
Added 1 hour ago
C
Senior Site Reliability Engineer (Open for Remote)
Cognizant
Charlotte, NC
- $79,240 to $133,500 USD / year
Demonstrated experience supporting mission-critical, customer-facing applications and leading production incident management, root-cause analysis, and service-restoration activities.
Added 1 hour ago
C
Senior Site Reliability Engineer (Open for Remote)
Cognizant
Charlotte, NC
- $79,240 to $133,500 USD / year
Demonstrated experience supporting mission-critical, customer-facing applications and leading production incident management, root-cause analysis, and service-restoration activities.
Added 1 hour ago
Engineer IV
Astrion
Redstone Arsenal, AL
Astrion has an exciting opportunity for an Engineer 4 located at the Redstone Arsenal in Huntsville, Al. Astrion has worked extensively with the U.S. Redstone Test Center where it has…

Microsoft

Principal Software Engineer

WA, United States
Redmond, WA, United States
Redmond, United States

$142,800 to $304,200 USD / year

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Job details

Pay: $142,800 to $304,200 USD / year
Apply by: May 4, 2027
Posting language: English
Posted: Nov 5, 2026

Original job description

Overview

We are looking to welcome a Principal Software Engineer to a group of innovative, energetic and diverse engineers on the CoPilot Runtime Platform team, which is the engineering organization responsible for the foundational platform powering Microsoft 365 Copilot. We build the runtime, orchestration, data access, grounding, storage, observability, reliability, and developer infrastructure that enables AI-powered experiences across Microsoft 365. As part of the team, you will work on large-scale distributed systems, AI platform architecture, enterprise search and grounding technologies, developer frameworks, platform extensibility, reliability engineering, and next-generation Copilot experiences. Our engineers partner across Microsoft to deliver secure, scalable, and highly available AI services that serve millions of users worldwide. This role offers the opportunity to influence the future architecture of Microsoft 365 Copilot while solving challenging problems at the intersection of distributed systems, AI, search, data platforms, and cloud-scale services.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

Partner with internal and external stakeholders to understand and incorporate user requirements and feedback into solutions.
Lead architectural discussions and design of complex products, including evaluation of multiple design options, creating proposals, making design decisions, and coaching less experienced team members. Establish and promote best coding and security practices, scaling solutions to meet performance, security, and scalability needs.
Partner with stakeholders to drive project and release planning while ensuring adherence to security, privacy, compliance, and operational considerations. Identify dependencies across teams and technologies, coordinate collaboration, and drive alignment on schedules and responsibilities.
Serve as a designated responsible individual (DRI) for live-site incident monitoring, coordination, resolution, and prevention efforts. Maintain live service operations, implement mitigations for complex issues, improve on-call processes, and promote secure operations.
Lead by example in producing extensible, maintainable, secure, well-tested code, applying coding best practices, and managing development risks. Conduct thorough code reviews ensuring adherence to standards, test coverage, security, and best practices.

Lead identification and application of AI automation, tooling and agentic approaches across the software lifecycle incorporating Responsible AI principles and SDLC engineering health measures.

Stay current with Microsoft standards, industry trends and new technologies, share knowledge, and lead learning activities. Ensure compliance with security, privacy, safety, and accessibility standards, maintain audit trails, and understand regulatory requirements.
Collaborate with partner teams to ensure integration, scalability, performance, and escalation pathways before release.

Qualifications

Required Qualifications:

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++, C#, Java, JavaScript, or Python
OR equivalent experience.

Other Requirements:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:

Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

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++, C#, Java, JavaScript, or Python
OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
OR equivalent experience.
Experience with AI‑native development where AI systems - not humans - perform most of the product lifecycle (research, specification, design, coding, testing), while humans provide direction, architecture, and approval. It treats AI as a core architectural assumption from day one, with continuous learning loops, probabilistic output handling, and AI‑driven pipelines.

#CAP #Copilot

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

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