Research Engineer - Safety System and Foundations Job at Meta (Bellevue)

Cleared Senior/Principal Systems Engineer - Nuclear Safety Assessment

We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience ...

Location

United States , Albuquerque

Salary:

114000.00 - 227500.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
An active DOE Q clearance, or equivalent is required to start
High proficiency in foundational science and engineering principles, including safety-analysis methods such as fault-tree analysis, failure modes and effects analysis (FMEA), and margin quantification
Experience with systems engineering for nuclear or high-consequence weapons systems, including applying system-of-systems thinking to ensure end-to-end functionality
Proven ability to lead complex technical projects on schedule, mentor team members, and deliver high-quality products, with demonstrated leadership experience as a project manager, technical lead, principal investigator, or similar role
Understanding of nuclear surety and reliability requirements, including familiarity with nuclear weapon safety standards, related DOE orders, and the SNL nuclear weapon product realization process
Background in reliability engineering or advanced margin-quantification frameworks
Excellent technical writing and executive presentation skills
Proven ability to work on challenging engineering problems in a fast-paced, collaborative team environment requiring extensive cross-organizational teamwork

Job Responsibility

Independently review detailed technical documents and identify salient issues related to nuclear safety
Engage with weapon system, component design, assurance, and other surety organizations
Maintain awareness of issues related to design, development, production, maintenance, and dismantlement of weapon systems
Assess tests, materials, and components for adequacy against requirements
Evaluate procedures, product specifications, and standards for compliance
Lead independent safety assessments of nuclear weapon systems and components, analyzing responses under thermal, shock, vibration, and EMI/EMC environments
Define problem scope and requirements, develop technical approaches, and apply quantitative and qualitative methods (e.g., fault-tree, FMEA, margin quantification)
Design experiments or simulations to evaluate safety-critical subsystems, collaborating with system and test engineers to verify requirements
Develop analytical frameworks and digital models to support risk-informed decisions
Mentor junior engineers in safety-analysis techniques and review their deliverables for technical accuracy

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance

Fulltime

Research Engineer - Safety System, Evaluation and Foundation

Meta is seeking Research Engineers to join the Safety System and Foundations tea...

Location

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Salary:

217000.00 USD / Year ▼

Research Engineer - Multimodal Embodiment Trust

Meta is seeking Research Engineers to join the Multimodal Embodiment Trust team ...

Location

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257000.00 USD / Year ▼

Lead AI / LLM Systems Engineer

We are seeking a senior AI engineer to lead the development of Egofold’s foundat...

Location

United States , Culver City

Salary:

150000.00 - 200000.00 USD / Year

Snail Games

Expiration Date

Until further notice

Requirements

Significant professional experience building AI or ML systems beyond simple model or API integration
Demonstrated experience working with large language models in a production or applied research context
Hands-on experience with agent training methodologies, including reinforcement learning or simulation-based learning systems
Strong understanding of training workflows, evaluation strategies, and iterative improvement cycles
Strong proficiency in Python and experience integrating AI systems into production environments
Ability to reason about complex, stateful systems and learning behavior over time
Comfort operating in early-stage, ambiguous environments and taking ownership of foundational systems

Job Responsibility

Design and implement foundational AI systems using large language models as a core reasoning component
Architect simulation-based learning systems and training workflows, including fine-tuning, reinforcement learning, evaluation, and feedback loops
Build validation, safety, and constraint layers around generative outputs to ensure predictable and controllable behavior
Define evaluation frameworks and benchmarking strategies to measure agent performance, stability, and learning progression over time
Structure how context, memory, and world state are represented and consumed within the AI architecture
Determine how learned behavior, structured logic, and rule-based systems interact within a unified hybrid system
Collaborate with engine engineers to integrate AI systems into real-time interactive environments
Make system-level technical decisions that prioritize long-term reuse, scalability, and cross-domain adaptability

What we offer

Operate in a small, high-autonomy team with significant technical ownership and long-term influence
True focus on work/life balance
Paid company holidays, vacation, and separate sick leave
Medical, dental, vision, and Life/LTD
401k with company match

Fulltime

Senior Research Engineer

As a Senior Research Engineer at Microsoft, you will advance Microsoft’s mission...

Location

United States , Redmond

Salary:

119800.00 - 234700.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, Mathematics, Statistics, Physics, or a related field and 4 or more years in applied ML or AI research and product engineering
OR Master’s degree and 3 or more years in applied ML or AI research and product engineering
OR PhD in a relevant field and 2 or more years with generative AI, LLMs, or related ML algorithms
Ability to meet Microsoft, customer and/or government security screening requirements
Microsoft Cloud Background Check upon hire/transfer and every two years thereafter

Job Responsibility

Bringing State-of-the-Art Research to Products
Design and implement AI systems using foundation models, prompt engineering, retrieval-augmented generation, multi-agent architectures, and classic ML
Fine-tune large language models on domain-specific data and evaluate via offline and online methods such as A/B testing, telemetry, and shadow deployments
Build and harden prototypes into production-ready services using robust software engineering and MLOps practices
Drive original research and thought leadership (whitepapers, internal notes, patents)
convert insights into shipped capabilities
Research Translation: Continuously review emerging work
identify high-potential methods and adapt them to Microsoft problem spaces
End-to-End System Development
ML Design & Architecture: Own end-to-end pipeline from data prep, training, evaluation, deployment, and feedback loops

Fulltime

Senior Software Engineer

As a Senior Research Engineer at Microsoft, you will advance Microsoft’s mission...

Location

India , Hyderabad

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Engineering, Mathematics, Statistics, Physics, or a related field and 4 or more years in applied ML or AI research and product engineering
Master’s degree and 3 or more years in applied ML or AI research and product engineering
PhD in a relevant field and 2 or more years with generative AI, LLMs, or related ML algorithms
Proficiency in Python and at least one deep learning framework such as PyTorch, JAX, or TensorFlow
Experience deploying Fine Tuned LLMs or multimodal models in live production environments
Experience shipping and maintaining production AI systems
Ability to meet Microsoft, customer, and government security screening requirements
Microsoft Cloud Background Check upon hire or transfer and every two years thereafter

Job Responsibility

Bringing State-of-the-Art Research to Products
Design and implement AI systems using foundation models, prompt engineering, retrieval-augmented generation, multi-agent architectures, and classic ML
Fine-tune large language models on domain-specific data and evaluate via offline and online methods such as A/B testing, telemetry, and shadow deployments
Build and harden prototypes into production-ready services using robust software engineering and MLOps practices
Drive original research and thought leadership (whitepapers, internal notes, patents)
convert insights into shipped capabilities
Research Translation: Continuously review emerging work
identify high-potential methods and adapt them to Microsoft problem spaces
End-to-End System Development
ML Design & Architecture: Own end-to-end pipeline from data prep, training, evaluation, deployment, and feedback loops

Fulltime

New

Principal Research Engineer

As a Principal Research Engineer at Microsoft, you will set the technical vision...

Location

United States , Redmond

Salary:

163000.00 - 296400.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor'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 equivalent experience
Ability to meet Microsoft, customer and/or government security screening requirements
Microsoft Cloud Background Check

Job Responsibility

Define and execute technical strategy for foundational models, multi-agent systems, and next-generation Copilot experiences, especially within Business & Industry Copilot
Lead cross-team efforts to deliver scalable, reliable, and responsible AI systems
Advance the state of the art and translate breakthroughs into measurable customer and business impact
Architect and deliver complex AI systems across model development, data, infra, evaluation, and deployment spanning multiple product lines
Set technical direction for large programs
drive alignment across Research, Engineering, and Product
Integrate LLMs, multimodal models, multi-agent architectures, and RAG into Microsoft’s ecosystem
Establish best practices for MLOps, governance, and Responsible AI, compliant with Microsoft principles and industry standards
Drive original research and thought leadership (whitepapers, internal notes, patents)
convert insights into shipped capabilities

Fulltime

Senior Research Engineer

As a Senior Research Engineer at Dynamics 365 Contact Center, you will advance M...

Location

United States , Redmond

Salary:

119800.00 - 234700.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
OR equivalent experience
Proficiency in Python and at least one deep learning framework such as PyTorch, JAX, or TensorFlow
Experience deploying Fine Tuned LLMs or multimodal models in live production environment
Experience shipping and maintaining production AI systems
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

Job Responsibility

Bringing State-of-the-Art Research to Products: Design and implement AI systems using foundation models, prompt engineering, retrieval-augmented generation, multi-agent architectures, and classic ML
Fine-tune large language models on domain-specific data and evaluate via offline and online methods such as A/B testing, telemetry, and shadow deployments
Build and harden prototypes into production-ready services using robust software engineering and MLOps practices
Drive original research and thought leadership (whitepapers, internal notes, patents)
convert insights into shipped capabilities
Research Translation: Continuously review emerging work
identify high-potential methods and adapt them to Microsoft problem spaces
End-to-End System Development: ML Design & Architecture: Own end-to-end pipeline from data prep, training, evaluation, deployment, and feedback loops
Identify and resolve model quality gaps, latency issues, and scale bottlenecks using PyTorch, or TensorFlow
Operate CI/CD and MLOps workflows including model versioning, retraining, evaluation, and monitoring

Fulltime

Research Engineer - Safety System and Foundations

Meta

Location:
United States , Bellevue

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 23, 2026

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