Jobs in the United States

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Added 1 min ago
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Mechanical Project Engineer
GPAC
Kansas City, MO
- $75,000 to $105,000 USD / year
We are looking for a motivated Mechanical Project Engineer to support commercial mechanical construction projects through planning, coordination, and execution.
Added 1 min ago
Full Stack Engineer
True Talent Solutions Partners
San Francisco, CA
Join a small engineering team building an AI-enabled manufacturing procurement platform. You will ship features across customer and supplier products and internal systems, helping automate…
Added 2 mins ago
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PROJECT ENGINEER
GPAC
New Castle, PA
- $85,000 to $105,000 USD / year
The Project Engineer will work closely with project management and field teams to support the successful planning, coordination, installation, and completion of HVAC, plumbing, and process…
Added 2 mins ago
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PROJECT ENGINEER
GPAC
Greenville, PA
- $85,000 to $105,000 USD / year
The Project Engineer will work closely with project management and field teams to support the successful planning, coordination, installation, and completion of HVAC, plumbing, and process…
Added 4 mins 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 10 mins ago
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Engineer I (Maintenance / Rooms Call) Overnight
Marriott
LONGBOAT KEY, FL
- $22.5 USD / hour
…refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general…
Added 10 mins ago
Electronics Engineer
Naval Surface Warfare Center
Panama City Beach, FL
Added 11 mins ago
Tests and Instrumentation Engineer
Butler America
Jupiter, FL
Added 11 mins ago
Operations Program Manager - Pompano Beach, FL
Jacobs
Pompano Beach, FL
Keep the trackers and the agency systems of record current and accurate; improve the tools and automate repetitive steps where it pays.
Added 11 mins ago
Lead Full Stack Engineer, Wealth Management Technology
Raymond James Financial, Inc.
Saint Petersburg, FL
Strong knowledge of software engineering principles, object-oriented design, design patterns, APIs, and distributed systems.
Added 11 mins ago
Senior Mechanical Engineer with CFD Expertise
Applied Research Associates, Inc.
Panama City, FL
ARA’s Engineering Science Division is seeking an experienced mechanical engineer with computational fluid dynamics (CFD) expertise to support the design, development, prototyping,…
Added 11 mins ago
Principal Systems Engineer Architect
Northrop Grumman
Melbourne, FL
Northrop Grumman Aeronautics Systems has an opening for a Principal Systems Engineer Architect to join our team of qualified, diverse individuals. This position will be located on-site in…
Added 11 mins ago
Senior Specialist, Integration & Test Engineer
L3Harris
Melbourne, FL
L3Harris is seeking talented Integration & Test Engineers to support subsystem and system-level testing within the Systems Integration and Test Engineering subfunction. As an Integration &…
Added 11 mins ago
Building Engineer-II
Marriott
MELBOURNE, FL
…refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general…
Added 11 mins ago
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Building Engineer-I
Marriott
MELBOURNE, FL
- $18.75 to $19.3 USD / hour
…refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general…
Added 11 mins ago
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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…
Added 11 mins ago
M
HVAC Engineer-Technician
Marriott
NAPLES, FL
- $32.1 to $33.7 USD / hour
…equipment. Assemble, install, test, repair, and maintain electrical systems or electronic wiring. Assemble, install, and maintain pipe assemblies, fittings, valves, etc. Perform routine…
Added 11 mins ago
M
Residences Sarasota Bay-Part Time Engineer I
Marriott
SARASOTA, FL
- Part-time
…refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment, vehicles, energy conservation, and/or general…
Added 11 mins ago
Digital Signals Processing (DSP) Engineer
CACI International
Sarasota, FL
…signal processing applications. You will participate in full IT Systems Development Life Cycle with a focus on development, integration, and maintenance of new and existing Mission Systems.…
Added 11 mins ago
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Chief Bldg Engineer Supervisor
CBRE
Fort Myers, FL
- $43.27 to $45.67 USD / hour
Are you an experienced Building Engineer who enjoys solving complex problems, leading teams, and having variety in your work? CBRE is looking for a Chief Building Engineer Supervisor to…
Added 11 mins ago
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Field Service Engineer (Orlando, Melbourne, Jupiter FL)
BD (Becton, Dickinson and Company)
Pensacola, FL
- $28.2 to $45.1 USD / hour
The BD Pyxis Field Service Engineer (FSE) provides remote and on-site technical support for BD automated dispensing systems across the assigned region, including Department of Defense (DoD)…
Added 12 mins ago
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Principal Design Engineer - XBOX
Microsoft
United States
- $142,800 to $304,200 USD / year
XBOX is seeking a Principal Design Engineer to shape developer and creator tools for game developers and players. Working at the intersection of design and engineering, you’ll turn…
Added 12 mins ago
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Senior Software Engineer, Cloud Platform
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
As a Senior Software Engineer, Cloud Platform our team is pioneering the next generation of cloud proxy architecture through Nanoproxy - a lightweight, high-performance native proxy…
Added 12 mins ago
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Principal Firmware Engineer
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent…
Added 12 mins ago
Low Latency Trading Infrastructure Engineer
Citigroup
Jacksonville, FL
The Low Latency Trading Infrastructure Engineer is a rare combination of deep technical specialist and mission-critical operator - a professional whose expertise sits at the intersection of…

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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