Jobs in the United States

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Added 40 mins ago
Sentinel Principal/ Sr. Principal Systems Engineer
Northrop Grumman
Huntsville, AL
Northrop Grumman Defense Systems currently has an opening for a Principal Systems Engineer/Sr. Principal Systems Engineer . This position is located in Roy, UT and will support the Sentinel…
Added 5 hours ago
Modeling Simulation & Analysis Engineer 3 or 4 (Principal or Sr. Principal Level)
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Modeling Simulation and Analysis Engineer (Principal or Sr. Principal Level) to join our team of qualified, diverse individuals…
Added 9 hours ago
Principal / Sr Principal Engineer Electrical
Northrop Grumman
Colorado Springs
Northrop Grumman Space Systems is seeking a Principal or Sr Principal Electrical Engineer to join the Radar Integrated Product Team (IPT) supporting the design and development of a new…
Added 10 hours ago
Principal Software Automation/Test Engineer
Palo Alto Networks, Inc.
CA
- Set the bar and mentor. Raise engineering standards through design reviews, code reviews, and best practices. Mentor senior and staff engineers, and influence technical direction across…
Added 11 hours ago
Principal Engineer - FPGA/ASIC Design
Rolls-Royce
United States
Job Title: Principal Engineer - FPGA/ASIC Design
Added 12 hours ago
Associate Field Application Engineer - AMD
Avnet US
San Jose, CA
Entry-level electrical or computer engineer who, as a member of the sales and technical team, helps drive customer adoption of AMD adaptive SoCs and FPGAs. The Associate FAE supports…
Added 12 hours ago
Associate Field Application Engineer - AMD
Avnet US
Wilmington, MA
Entry-level electrical or computer engineer who, as a member of the sales and technical team, helps drive customer adoption of AMD adaptive SoCs and FPGAs. The Associate FAE supports…
Added 13 hours ago
Electrical Engineer (Mid to Senior)
Eclipse Space Technologies Corp.
Seattle, WA
As an Electrical Engineer at Eclipse Space Technologies Corporation, you’ll own the architecture, design, and delivery of critical electronics that enable communication and coordination…
Added 14 hours ago
Principal Software Architect - Emerging Technologies
Granicus
Remote, United States
…architecture, agent orchestration patterns, the eval-driven development discipline, and a continuous integration and delivery system engineered for a high volume of autonomous agent pull…
Added 14 hours ago
Principal Engineer - AI/ ML - Home Broadband Solutions
Verizon Data Services LLC
Irving, TX
As a Principal Engineer - AI/ML Engineering for Verizon Home Broadband, you will own the architecture, engineering standards and AI strategy of its device-telemetry analytics platform…
Added 15 hours ago
Principal IT Architect
NextEra Energy
Juno Beach, FL
The Principal IT Architect will serve as the senior technical leader for applications and platforms supporting NEET Transmission and NEER Development. This role will partner with Enterprise…
Added 16 hours ago
TL
Solution Architect Product Engineer/AI
The LaunchCode Foundation
Remote, United States
- $195,000 to $210,000 USD / year
As an AI Product Engineering Principal Architect, you are the senior technical leader responsible for driving the design, delivery, and execution of complex, enterprise-grade AI solutions.…
Added 16 hours ago
Principal Embedded Software Engineer (FPGA / Firmware)
Insight Global
Aliso Viejo, CA
We are seeking a Principal Embedded Software Engineer to lead the design and development of embedded firmware and FPGA-based solutions supporting next-generation hardware platforms. This…
Added 17 hours ago
M
Principal Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
We are looking for a Principal Software Engineer to help us deliver the next generation of the Agent Platform. You will design, develop, and harden core platform capabilities, real‑time…
Added 18 hours ago
Principal / Sr Principal Engineer Electrical
CORP-Corporate Office
United States
Northrop Grumman Space Systems is seeking a Principal or Sr Principal Electrical Engineer to join the Radar Integrated Product Team (IPT) supporting the design and development of a new…
Added 20 hours ago
Principal Engineer - Software
Arena Technical Resources, LLC
Oshkosh, WI
The Principal Engineer – Software develops embedded software for various
Added 20 hours ago
I
Director of Engineering - A&D
IFS
Remote, United States
- $180,000 to $210,000 USD / year
Technical depth: significant experience in software engineering, with a track record of operating at Principal Engineer or Architect level - system design, cross-team architectural thinking…
Added 20 hours ago
Principal Systems Engineer / Sr. Principal Systems Engineer
Northrop Grumman
Roy, UT
Northrop Grumman Defense Systems currently has an opening for a Principal Systems Engineer/Sr. Principal Systems Engineer . This position is located in Roy, UT and will support the Sentinel…
Added 21 hours ago
Sr Configuration Analyst/Manager, Mechanical Engineering, Configuration Management
Amazon
Redmond, WA
We are seeking an experienced Configuration Change Analyst/Manager with deep expertise in Configuration Management and Systems Engineering to join the Engineering Practice & Configuration…
Added 22 hours ago
Principal/Sr Principal System Engineer (AHT)
Northrop Grumman
Azusa, CA
Northrop Grumman is seeking Principal Systems Engineers/Sr. Principal Systems Engineers. This position will be located at our Space sector in Azusa, CA. The qualified candidate will become…
Added 22 hours ago
Software Quality Engineer/ Prin Software Quality Engineer
Northrop Grumman
Palmdale, CA · San Diego, CA
Northrop Grumman Aeronautics Systems sector is seeking a Software Quality Engineer/ Principal Software Quality Engineer to join our team of qualified, diverse individuals located in Rancho…
Added 1 day ago
Sr Principal Engineer - Data
Lilly
Indianapolis, IN
We are seeking an experienced Senior Principal Data, Analytics & AI Engineer to join the Global DIA team within MQ Tech at Lilly. This role sits at the intersection of data engineering,…
Added 1 day ago
Technical Leader - AIOps & Agentic Platform
Cisco
San Jose, CA
In this role, you will be a key senior engineer and technical leader building our next-generation AIOps and Agentic Operations Platform. You will design and implement AI-powered operational…
Added 1 day ago
Sentinel Principal / Sr Principal Manufacturing Engineer
Northrop Grumman
Vandenberg Air Force Base, CA
…engineering solutions to deploy and deliver a state-of-the-art weapon system to our customer. This position requires a highly motivated self-starter with knowledge in the fabrication,…
Added 1 day ago
Electrical Engineer - Hardware 2/3
Northrop Grumman
San Diego, CA
Northrop Grumman Aeronautics Systems has an opening for a Electrical Engineer - Hardware 2/3 to join the team of qualified individuals. Position is located in San Diego, CA.

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: Apr 26, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Overview

Microsoft 365 Copilot is a groundbreaking productivity tool that leverages the power of large language models, user data, Microsoft Graph, and the web to drive unparalleled creativity and productivity. At the heart of this innovation is the Agent platform, which designs and operates the agent runtime, integrations across M365 apps, and platform to build features that flow consistently to Flagship, 1P, and 3P agents. Our team is building a modular, event‑driven platform that raises agility, reliability, and composability for every Copilot experience. We are looking for a Principal Software Engineer to help us deliver the next generation of the Agent Platform. You will design, develop, and harden core platform capabilities, real‑time multimodal orchestration, long‑running task durability, and self‑serve partner tooling to unlock safe, rapid innovation across the ecosystem. As a Principal Software Engineer, you will be responsible for designing, developing, and delivering innovative platform services. You’ll code, debug, test, and troubleshoot production systems that other agents depend on; contribute to safe deployment practices and flighting; build robust telemetry and evals; and collaborate with partner teams to ship features once and light them up everywhere. In this role, you are expected to have a deep understanding of distributed systems and apply software engineering principles to create high‑quality, observable, and reliable services. You will work closely with other engineers and PMs to ensure our platform meets partner and user needs, adheres to M365 Core engineering standards, and is delivered with guardrails that protect reliability and customer trust. You will have the opportunity to grow your skills and take on new challenges - ranging from runtime/orchestration and real‑time multimodal to API/protocol design and developer experience while operating at the core of M365 where your work scales across Outlook, Teams, Word, Excel, PowerPoint, and more. Join us and help build the platform that powers the next generation of Copilot agents. 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

Guides engineers within and across teams to produce extensible, maintainable, well‑tested, secure, and performant code that adheres to design specifications.
Partners with appropriate stakeholders to determine user requirements for one or more complex scenarios.
Provides technical leadership in identifying dependencies and developing design documents for a product, application, service, or platform.
Leads by example and mentors others to produce high‑quality code used across the company, promoting engineering excellence and long‑term maintainability.
Leverages deep subject‑matter expertise of cross‑product features to collaborate with stakeholders and lead multiple products’ project plans, release plans, and work items.
Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions and participating in on‑call rotations to monitor system/product/service health, including degradation, downtime, or interruptions.
Proactively seeks new knowledge and adapts to emerging trends, technologies, and patterns to improve availability, reliability, efficiency, observability, and performance, while driving consistency in monitoring and operations at scale; shares learnings with other engineers.
Embody our Culture and Values

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.
2+ years of experience working on building and designing complex web apps.
2+ years of experience working on web performance, including experience with web profiling tools and familiarity with industry best practices
2+ years of experience on defining engineering culture for a broader organization, including best practices on automation, performance, and reliability.
2+ years of experience leading crews of 5+ engineers on complex engineering projects in the web development space.

#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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