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Added 1 min ago
C++ Software Engineer, Junior
BOOZ ALLEN HAMILTON INC
Dayton, OH
Job Number: R0240412 C++ Software Engineer, Junior The Opportunity: Develop solution architecture ( SA ) and resolve complex issues in a variety of projects through the implementation of…
Added 1 min ago
C++ Software Engineer, Junior
BOOZ ALLEN HAMILTON INC
Dayton, OH
Job Number: R0241788 C++ Software Engineer, Junior The Opportunity: Develop solution architecture ( SA ) and resolve complex issues in a variety of projects through the implementation of…
Added 1 min ago
Supplier Support Manufacturing Engineer
GE Aerospace
Evendale, OH · Cincinnati, OH · E Cleveland, OH · West Chester, OH
The Supplier Support Manufacturing Engineer is responsible for addressing part shortages and ensuring supplier performance aligns with Clear to Build (CTB) targets. This role emphasizes…
Added 1 min ago
Senior Software Engineer - Monetization Platform
Indeed
Columbus, OH
As the world’s number 1 job site*, our mission is to help people get jobs. We strive to cultivate an inclusive and accessible workplace where all people feel comfortable being themselves.…
Added 1 min ago
OT Security Platform Engineer – Dragos
Cognizant
Columbus, OH
We are seeking an experienced OT Security Platform Engineer / Technical Lead to own and operate the Dragos security monitoring platform across a global manufacturing environment. This is a…
Added 1 min ago
Design Engineer Intern
Paccar Winch Inc.
Chillicothe, OH
Proficient in all applications within the Microsoft Office suite
Added 1 min ago
Liaison Engineer Intern
Paccar Winch Inc.
Chillicothe, OH
Proficient in all applications within the Microsoft Office suite
Added 14 mins ago
Integration Engineer (Middleware/API)
CGI
Charlotte, NC
CGI is looking for an Integration Engineer to build and run the middleware that connects business applications for a global leader in the transportation and financial services industry. You…
Added 19 mins ago
TT
Lead Product Engineer
True Talent Solutions Partners
New York, NY
- $225,000 to $275,000 USD / year
…real estate investment business. As the first product-focused engineer, you will own the front end and help create data-rich tools that support investment decisions across multiple business…
Added 47 mins ago
Associate Software Engineer
Highmark Health
Jefferson City, MO
This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for…
Added 1 hour ago
TT
Senior Full Stack Engineer
True Talent Solutions Partners
Boston, MA
- $185,000 to $210,000 USD / year
…people with serious chronic conditions. You will be a hands-on engineer and product partner, shaping the product and helping establish the engineering…
Added 1 hour ago
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Civil Engineer - Land Development/Design
GPAC
Colorado Springs, CO
- $95,000 to $135,000 USD / year
Are you an experienced Civil Engineer looking to take the next step in your career? A growing engineering team is seeking a Civil Engineer specializing in Site Development to contribute to…
Added 1 hour ago
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Civil Engineer, P.E. Site Development
GPAC
Indianapolis, IN
- $85,000 to $100,000 USD / year
Are you an experienced Civil Engineer looking to take the next step in your career? A growing engineering team is seeking a Civil Engineer specializing in Site Development to contribute to…
Added 1 hour ago
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Civil Engineer, Project Manager
GPAC
Denver, CO
- $105,000 to $120,000 USD / year
Are you an experienced Civil Engineer with a background in site development and a passion for leading projects from concept to completion? A growing engineering team is seeking a Civil…
Added 1 hour ago
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Civil Engineer - Professional Engineer (PE)
GPAC
Savannah, GA
- $115,000 to $130,000 USD / year
Our company is currently seeking a highly qualified Civil Engineer to join our team as a Site Development specialist. In this role, you will be responsible for designing and planning a wide…
Added 1 hour ago
G
Civil Engineer - Land Development/Design
GPAC
Colorado Springs, CO
- $95,000 to $115,000 USD / year
Our company is currently seeking a highly qualified Civil Engineer to join our team as a Site Development specialist. In this role, you will be responsible for designing and planning a wide…
Added 1 hour ago
G
Civil Project Manager - Site Development
GPAC
Green Bay, WI
- $100,000 to $115,000 USD / year
Are you an experienced Civil Engineer with a background in site development and a passion for leading projects from concept to completion? A growing engineering team is seeking a Civil…
Added 1 hour ago
GH
Field Engineer Team Lead
GE HealthCare
Remote, United States
- $94,400 to $141,600 USD / year
Complete one site safety inspection per month.
Added 1 hour ago
Software Developer – Entry Level
CGI Technologies and Solutions, Inc.
Lafayette, LA
Work as part of an Agile team to design, code, test, and deliver applications, learning CGI’s engineering practices and collaborating closely with peers.
Added 1 hour ago
AI Engineer ||
Mastercard
O'Fallon, MO
The AI Engineer is responsible for designing and delivering AI-powered solutions that improve engineering productivity and business workflows. This role requires a strong foundation in…
Added 1 hour ago
Field Service Engineer IV (C4) - Technical Lead
Applied Materials
Phoenix, AZ
As a Field Service Engineer [Customer Engineer] at Applied Materials, you serve as the direct liaison with customers, collaborating closely to install, maintain, and upgrade equipment.…
Added 1 hour ago
AE
Campus Undergraduate Summer Internship Program - 2027 AI Engineer, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $24.05 to $63 USD / hour
At American Express, we empower future technologists to learn, innovate, and make an impact from day one. As an AI Engineer Intern in Enterprise Technology Services, you’ll join a 10-week…
Added 2 hours ago
T
Telecom Engineer
TEKsystems
Honolulu, HI
- $101,000 to $127,000 USD / year
We are seeking a Telecom Engineer to support the design, implementation, maintenance, and management of telecommunications infrastructure and systems. This role is responsible for applying…
Added 2 hours ago
Product Support Engineer 4
Lam Research
Phoenix
As a Regional Product Support Engineer at Lam, you’re the backbone of technical support for field engineers, technicians, and product support personnel in the region. Your expertise is…
Added 2 hours ago
M
Software Engineer II
Microsoft
CA · Mountain View, CA · Mountain View
- $102,100 to $219,200 USD / year
We are looking for a Software Engineer II to join our team. Our Global Secure Access Datapath team builds cutting-edge network security solutions that enable enterprises to protect their…

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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