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Added 1 min ago
AM
Software Engineer, AI & Automation
Ace Marketing Services, Inc.
Winter Park, FL
- $55 to $65 USD / hour
Software Engineer, AI & Automation - Ace Marketing Services
Added 6 mins ago
M
Senior Software Engineer
Microsoft
WA · Redmond, WA · Redmond
- $119,800 to $261,000 USD / year
…orchestrate, monitor, and maintain a growing fleet of lab and production systems. The fleet spans multiple qubit modalities, including neutral-atom and topological qubits, along with the…
Added 6 mins ago
M
Senior Mechanical Engineer
Microsoft
NC · Charlotte, NC · Charlotte
- $119,800 to $261,000 USD / year
…that powers our cloud services. As a CO+I Senior Mechanical Engineer, you will perform a key role in delivering the core infrastructure and foundational technologies for Microsoft's online…
Added 6 mins ago
M
Principal Software Engineer - AI Infrastructure
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
As a Principal Software Engineer on this team, you will own the architecture and technical direction of major components of the training platform and drive them from ambiguous problem…
Added 7 mins ago
M
Principal Software Engineer
Microsoft
WA · CA · Redmond, WA · Mountain View, CA · Redmond · Mountain View
- $142,800 to $304,200 USD / year
We are seeking a Principal Security Software Engineer to define and build the security foundation for COSMIC’s high-scale infrastructure and autonomous operations.
Added 28 mins ago
Manufacturing Engineer
US Tech Solutions
Benson, MN
US Tech Solutions - Hiring Manufacturing Engineer for 1 of our direct clients
Added 28 mins ago
Manufacturing Engineer
US Tech Solutions
Burlington, IA
The New Product Development Fabrication Manufacturing Engineer will be Responsibilities include participation in concurrent product development and manufacturing engineering activities…
Added 28 mins ago
SI
Mechanical & Automation Engineer
SWM International
Ancram, NY
- $90,000 to $102,000 USD / year
The Mechanical & Automation Engineer is responsible for supporting the reliability, maintenance, and automation of manufacturing equipment and facility systems. This role works closely with…
Added 28 mins ago
XT
Advanced Quality Engineer
Xyant Technology, Inc.
Litchfield, MI
- $75,000 to $80,000 USD / year
The Senior Quality Engineer is responsible for managing and resolving customer concerns while facilitating irreversible corrective actions into the manufacturing process.
Added 28 mins ago
XT
Controls Engineer
Xyant Technology, Inc.
Battle Creek, MI
- $88,000 to $98,000 USD / year
The Controls Engineer will develop, implement, manage, and track new process systems and improvements that significantly increase operational efficiency, optimize resource utilization, and…
Added 29 mins ago
UX Engineer
Webtellect, LLC
Redmond, WA
…learn to use new tools - especially open source tech. As a UX engineer, you “get” designers and have a clear understanding of the design process and disciplines - interaction design,…
Added 29 mins ago
Sr Quality Assurance (Validation) Engineer - FL, USA
Validation & Engineering Group
Deerfield Beach, FL
The Engineer will contribute improving systems/applications quality by appropriately monitoring processes and providing recommendations for improvement opportunities for any given area of…
Added 29 mins ago
RVC Software Engineer (9600)
Trialon Corporation
Auburn Hills, MI
Develop and analyze requirements, design, implement, integrate and test C code for automotive production embedded electronic module in the vehicle environment.
Added 29 mins ago
Software Engineer
Trialon Corporation
Auburn Hills, MI
Integrate vehicle and control algorithms developed in the Matlab/Simulink Models and C, C++ environment by core groups into OEM specific production software application
Added 29 mins ago
Chemical Process Engineer
Tyco
Marinette, WI
Tyco Fire Protection Products (TFPP) is currently recruiting a Chemical Process Engineer to work at our Marinette, Wisconsin site.
Added 29 mins ago
JCI Process Launch Engineer
Tyco
Middletown, DE
Process Launch Engineer Johnson Controls is a global diversified technology and industrial leader serving customers in more than 150 countries. Our 170,000 employees create quality…
Added 29 mins ago
JCI Manufacturing Process Engineer
Tyco
Canby, OR
Supports, monitors, regulates and controls the battery manufacturing process
Added 29 mins ago
Manufacturing/Process Engineer
The Rockpointe Group
Winston Salem, NC
The Manufacturing/Process Engineer will direct, coordinate, and exercise functional authority for planning, organization, control, integration, and completion of engineering projects.…
Added 30 mins ago
Process Engineer - Chemical Engineer - NC #2842
Right Talent Right Now
Thomasville, NC
The Process Engineer solves complex production problems across the various production areas. Coordinates and participates in execution of R&D trials and process improvement experiments.
Added 30 mins ago
Software Design Engineer
SRI Tech solutions Inc
Redmond, WA
As a Build Engineer candidate will have the opportunity to work closely with development and QA organizations to implement tools and processes to support the automation of builds,…
Added 30 mins ago
Sr Advanced Software Engineer-24667
OLSA Resources, Inc.
AZ-Glendale, AZ
…management skills • Experience working within a defined software process • Working knowledge of automated test equipment (ATE) • Working knowledge of general purpose test equipment •…
Added 30 mins ago
Manufacturing/Production Engineer
Spherion Staffing
Jackson, MI
…specific position) may include machine safety enhancement; process and die trouble shooting, root cause analysis; short period stops, downtime, defect & cost reduction; PLC & CNC…
Added 31 mins ago
Senior Engineer - DevOps
SPLICE
Remote, United States
The Senior Engineer - DevOps is responsible for supporting our clients custom and off-the-shelf software through all phases of the lifecycle - through end to end application, systems…
Added 31 mins ago
Senior DevOps Engineer
Smarterer
Boston, MA
Smarterer/Pluralsight is seeking a Sr. DevOps Engineer to help scale our systems, optimize our infrastructure and improve our build and release process. They also must be awesome.
Added 31 mins ago
Product Quality Engineer-30353
OLSA Resources, Inc.
CA-Temecula, CA
Primary contact for engineering support of In-Process Inspectors. Support production efforts and process improvements (trend analysis, process validation, SPC). Coordinate In-Process MRB…

Microsoft

Principal Software Engineer - AI Infrastructure

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 2, 2027
Posting language: English
Posted: Nov 3, 2026

Original job description

Overview

Help build the infrastructure that trains the next generation of agentic Artificial Intelligence (AI) models at Microsoft. The Cloud + AI (C+AI) organization builds the end-to-end AI stack that powers innovation across Azure and Microsoft. The Foundry, Inference and Training (FIT) Training Team is where frontier-scale model training meets production-grade engineering. You will work alongside engineers and researchers to advance the scientific methods and scalable infrastructure used to train Large Language Models (LLMs), Small Language Models (SLMs), and agentic models, spanning both proprietary and open-weight models and building on open-source training frameworks. Your work will directly shape how reliable, enterprise-grade agentic workflows are built across the company and experienced by the customers who depend on them.

As a Principal Software Engineer on this team, you will own the architecture and technical direction of major components of the training platform and drive them from ambiguous problem statements through production operation. You will keep the customer at the center of every decision, partnering directly with the researchers and product teams who rely on the platform to understand their needs, remove friction, and measure success by their outcomes. You will set the technical bar for the team through design leadership, code and test-strategy reviews, and mentorship, and you will partner across C+AI and with partner organizations to align infrastructure roadmaps with model training and evaluation needs. This opportunity will allow you to deepen your expertise in large-scale distributed systems for AI training, develop firsthand understanding of how frontier proprietary and open-weight models are trained and evaluated, and grow your influence as a technical leader who shapes architecture, engineering practices, and the next generation of engineers on a fast-moving, startup-style team.

We are looking for a curious, independent, adaptable, and customer-obsessed problem-solver who thrives on continuous learning, is energized by evolving priorities, and is motivated by the impact your work has on the people who use it. You write efficient, well-tested code, enjoy debugging hard problems in complex distributed systems, and share what you learn. You iterate quickly, adjust course when the evidence calls for it, and collaborate effectively in a dynamic environment. 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

Own the architecture and technical direction of major components of the training platform for Large Language Models (LLMs), Small Language Models (SLMs), multimodal, code-specific, and open-weight models, ensuring designs meet scalability, reliability, security, and cost-efficiency requirements.
Partner directly with customers, including researchers and product teams across Microsoft, to understand their training and evaluation needs, translate them into platform requirements, and measure success through customer experience and outcomes.
Drive ambiguous, multi-quarter initiatives from proposal to production, breaking work into milestones, identifying dependencies, and negotiating ownership and delivery commitments with partner teams across Cloud + AI (C+AI).
Build on and extend open-source training frameworks (for example, PyTorch, DeepSpeed, Megatron-LM, and Hugging Face libraries), adapting them for proprietary and open-weight models and contributing improvements back to the community where appropriate.
Design and build services that serve production traffic while meeting Microsoft security, privacy, Responsible AI, and compliance requirements, including auditable evidence of compliance.
Lead debugging and resolution of complex issues in distributed training jobs and production services; participate in the on-call rotation as a Designated Responsible Individual (DRI), lead incident retrospectives, and improve troubleshooting guides, testing, safe deployment, and monitoring.
Mentor engineers and raise the technical bar through design reviews, code reviews, and ownership of the team's test strategy, while championing AI-assisted engineering tools and practices across the software development lifecycle.

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.

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.
5+ years designing, building, and operating large-scale distributed systems or cloud platforms with end-to-end ownership of production services, including Kubernetes-based containerized platforms on Microsoft Azure, Amazon Web Services (AWS), or Google Cloud, control-plane or backend services that manage compute, storage, and networking, and secure multi-tenant designs covering authentication, authorization, workload identity, quota management, and isolation.
3+ years building machine learning training infrastructure, such as Graphics Processing Unit (GPU) cluster scheduling, data pipelines, and checkpointing and storage systems, using open-source training frameworks such as PyTorch Fully Sharded Data Parallel (FSDP), DeepSpeed, Megatron-LM, Hugging Face Transformers and Accelerate, or Ray Train; contributions to open-source projects are a strong plus.
2+ years training, fine-tuning, or evaluating open-weight models (for example, Llama, Mistral, Phi, Qwen, or DeepSeek model families) at multi-node scale.
2+ years building or operating Reinforcement Learning (RL) post-training pipelines for Large Language Models (LLMs) and agentic models using verl, slime, MILES, or comparable frameworks, with a demonstrated understanding of the end-to-end training stack, including pretraining and post-training frameworks, Reinforcement Learning Environments (RLEs), rollout inference engines (for example, vLLM or SGLang), evaluation, and checkpointing, and how design choices at each layer affect throughput, stability, and cost.
3+ years serving as an on-call or Designated Responsible Individual (DRI) engineer for production services operating against defined availability or latency targets, including incident response, postmortems, structured logging, distributed tracing, dashboards, alerting, automated validation, and incident playbooks.
2+ years partnering directly with internal or external customers to define requirements, instrument customer experience (for example, adoption, satisfaction, or time-to-first-result metrics), and prioritize engineering work by customer impact.
Experience leading technical design across 2+ teams, driving ambiguous multi-quarter initiatives to completion, and mentoring senior engineers.

#AIPLATFORM #AIINFRA

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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More about this job

Skills

Scientific research methodology
Leadership
Debugging
Customer experience
PyTorch
Hugging Face
Troubleshooting
Software development
Computer science
C
C++
C#
Oracle Java
JavaScript
Python
Kubernetes
Microsoft Azure
AWS
Google Cloud
Machine learning
Scheduling
Incident response
Coaching

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