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R&D Engineer
CS&S Staffing Solutions
New York, NY
Our client is a leading manufacturer of Medical Devices, seeking a Staff R&D Engineer to join their team on Long Island, NY. The R&D Engineer will lead cradle to launch New Product…
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Test Automation
Computech Corporation
San Diego, CA
This Software Engineer position will be responsible for working with the Teradata Dual Active Engineering team to develop & automate tests and procedures for Teradata Dual Active products.…
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Cloud Network Engineer (US Citizen & Green card)
Computech Corporation
San Diego, CA
Teradata is seeking a Cloud Network Engineer experienced in supporting a 24x7 mission critical, customer facing, production environment. This position will provide technical expertise and…
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Systems Software Analyst / Engineer (ETL/Teradata)
comtecinfo
Raleigh, NC
This position will support the data warehouse from end to end including requirements and design, specification review, development, deployment and documentation.
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Visual Systems Engineer II - SECURITY CLEARANCE ELIGIBILITY REQUIRED
comtecinfo
Orlando, FL
Visual System Engineer II participates in all aspects of the production and integration of visual systems and 3D databases and models on designated projects to meet customer requirements.…
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Process Control Engineer - Hot Mill
Das Gemacht Inc.
Pennsylvania, PA
We are looking for a Process Control Engineer at our PA operation. The Process Control Engineer will be responsible for supporting and developing new applications and programs in the Hot…
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Physical Design Engineer- Sunnyvale, CA
Cystems Logic Inc
Sunnyvale, CA
We are hiring an experienced Physical Design Engineer to join a high-performing silicon engineering team supporting one of the world's leading technology organizations in Sunnyvale, CA.…
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Senior Network Engineer
Collabera
Foster City, CA
Plan, design, implement, and provide ongoing support of network systems of high complexity in Internet environments to fulfill business needs for performance and cost benefits
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Automation Engineer
Collabera
Foster City, CA
Solid understanding of black box and white box testing, performance testing, test automation, requirements traceability and general QA process reporting
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SAS Administrator / SAS Support
Collabera
Irvine, CA
Application Systems Engineer (SAS Admin/Support/on-call support):
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Mobile Application Engineer
CNCSINFOTECH LLC
Marlborough, MA
The client is seeking a Mobile Apps Engineer to architect and develop infrastructure and applications to support various business groups. The candidate must provide the technology direction…
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Project Engineer
CONTROLTEC LLC
Allen Park, MI
…supported the development of data solutions that enable robust design, development and validation for powertrain, vehicle, and electrical system domains. This unmatched expertise of both…
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Cloud Automation Engineer
CONTROLTEC LLC
Allen Park, MI
…supported the development of data solutions that enable robust design, development and validation for powertrain, vehicle, and electrical system domains. This unmatched expertise of both…
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Integration lead - MES
CNCSINFOTECH LLC
Pittsburgh, PA
We provide creative and technology services and solutions in the areas of web design, customized web applications, IT Staffing and e-commerce solutions, Mobile App development and much more…
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Integration lead
CNCSINFOTECH LLC
Pittsburgh, PA
We provide creative and technology services and solutions in the areas of web design, customized web applications and e-commerce solutions, Mobile App development and much more services to…
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Devops Engineer
Continental Technology Solutions
Charlotte, NC
…services deliver the resources and capabilities required to assess,design, build and manage an agile, flexible IT environment. You'll work with one dedicated team from strategy and…
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Manufacturing/Project Engineer
Chembular Manpower
Farmington, CT
The Manufacturing Engineer consults with Design Engineering to assist with the evaluation of new products and makes recommendations regarding cost and materials used. The incumbent…
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Process Engineer Automotive
Chembular Manpower
Morristown, TN
We need an engineer with high volume manufacturing in the automotive industry or related.
Added 1 min ago
Sr. Electrical Engineer
Chembular Manpower
Lexington, MA
-Leads the design/ delivery of new product/ process/ service technology advancements; is the key technical contributor
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CO
SENIOR CIVIL ENGINEER
City of Ventura
Ventura, CA
- $92,849.33 to $124,419.57 USD / year
…projects? Are you a registered California professional civil engineer? The City of Ventura is accepting applications for a Senior Civil Engineer vacancy in our collaborative Public Works…
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Process Engineer
Chembular Manpower
Newington, CT
Roles and Responsibilities:Our client is currently seeking a process engineer. They are currently recruiting talent to focus on innovation, expert technology, service and product leadership…
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Sr Project Design Engineer (aerospace)
Chembular Manpower
Glastonbury, CT
Roles and Responsibilities Our Client is seeking a Sr Project/Design Engineer in Glastonbury, CT. The Sr Project Engineer is responsible for providing expert daily direction in set-up,…
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Performance Test Engineer and Test Architect
Business Integra
Barrington, IL
Exeprience in Design and Architecture of Perfromance test environments, Tool Experience - HP suite (LR, PC, Scripting, - Multiple protocols), At least one scripting languagge - Perl,…
Added 1 min ago
Network Engineer
Business Integra
St. Louis, MO
The Network Engineer provides design, implementation, and support for hardware and software with a primary focus on Wireless network implementation. Knowledge of LAN switches, PoE and…
Added 1 min ago
Security Engineer
Business Integra
Arlington, VA
Serve as the principle IT engineer for design and implementation of cyber security tools that protect and monitors various IT infrastructures.

Microsoft

Principal Software Engineer

WA, United States
CA, United States
Redmond, WA, United States
Mountain View, CA, United States
Redmond, United States
Mountain View, 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

AI agents are becoming part of how every organization works, and someone has to build the platform they run on. That's us. The Agent 365 Foundation team builds the shared infrastructure behind Microsoft's agent platform. Agents across Microsoft 365, Dynamics 365, Power Platform and beyond are deployed, secured, scaled and governed on what we build. We take on hard distributed-systems problems at real scale, and our decisions affect thousands of services and millions of customers. We're looking for a Principal Software Engineer who likes the problems nobody has solved yet. You question assumptions and break ambiguous challenges into clear bets. You can find the root cause behind a messy, multi-service failure. You'll help set the technical direction for the foundation that Microsoft's agent ecosystem runs on. 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. Team Specific Overview: The Agent 365 Shared Infrastructure & Foundation team builds the hosting, compute and platform services that agent workloads run on across Microsoft. We're building a fault-tolerant, cell-based architecture that lets teams ship fast, secure and compliant by default. Shared infrastructure gives us economies of scale. It also brings hard problems such as resource governance, noisy-neighbor isolation, multi-region expansion and sovereign-cloud boundaries. Our goal is 99.99% reliability for thousands of services, with best practices built in from day one. 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

Leverage AI to build agentic engineering loops.
Set technical direction. Own the architecture for core parts of the Agent 365 platform. Make the hard calls on trade-offs between scale, reliability, cost and speed, and take a long-term view.
Solve the hardest problems. Lead the toughest cross-service investigations in high-throughput, multi-tenant systems, from first signal to lasting fix. Use data and first-principles thinking rather than assumptions.
Build for scale and resilience. Design and deliver cell-based, fault-tolerant systems with Azure (AKS and related compute) that keep reliability, security and compliance high as we grow.
Raise the engineering bar. Set standards for design, code quality, testing and operational excellence, and lead by example through design reviews, incident retrospectives and hands-on work.
Lead across boundaries. Line up partner teams across M365, Dynamics 365, Power Platform and Azure on shared platform direction. Turn ambiguity into clear plans that teams can execute.
Grow engineers. Mentor senior engineers and help build a culture of curiosity, healthy debate and ownership.

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.
Proven experience designing and operating large-scale distributed services or cloud infrastructure in production.
10+ years of experience building and running high-scale, multi-tenant cloud services.
Deep experience with Azure and container platforms such as AKS, Kubernetes or Service Fabric, and with reliability engineering at 99.99%+ availability.
A track record of setting technical direction across teams and solving ambiguous, cross-service problems through structured, data-driven thinking.
Solid communication skills, including explaining complex technical trade-offs clearly to engineers and leaders.

#CAP #Agent365 #A365

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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