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Added 1 hour ago
BizOps – GTM & Monetization
Nominal
NY
Our team draws from SpaceX, Palantir, Anduril, Applied Intuition, Tesla, and other leading companies, united by a common mission: giving hardware engineers the tools to build the future…
Added 2 hours ago
People Business Partner - Growth
Nominal
United States
Our team draws from SpaceX, Palantir, Anduril, Applied Intuition, Tesla, and other leading companies, united by a common mission: giving hardware engineers the tools to build the future…
Added 2 hours ago
Head of Corporate Development and IR
Nominal
NY
Our team draws from SpaceX, Palantir, Anduril, Applied Intuition, Tesla, and other leading companies, united by a common mission: giving hardware engineers the tools to build the future…
Added 2 hours ago
IP
Physical Therapist - Open Your Own Clinic!
IVYREHAB PHYSICAL THERAPY OT & SLP PLLC
Remote, United States
- $90,000 to $115,000 USD / year
At Ivy Health, we believe great people build great clinics. As a Clinic Director, you'll have the opportunity to lead a team that genuinely cares about one another while helping patients…
Added 2 hours ago
IP
Physical Therapist - Open Your Own Clinic!
IVYREHAB PHYSICAL THERAPY OT & SLP PLLC
Remote, United States
- $100,000 to $115,000 USD / year
At Ivy Health, we believe great people build great clinics. As a Clinic Director, you'll have the opportunity to lead a team that genuinely cares about one another while helping patients…
Added 2 hours ago
IP
Physical Therapist - Open Your Own Clinic!
IVYREHAB PHYSICAL THERAPY OT & SLP PLLC
Remote, United States
- $100,000 to $120,000 USD / year
At Ivy Health, we believe great people build great clinics. As a Clinic Director, you'll have the opportunity to lead a team that genuinely cares about one another while helping patients…
Added 2 hours ago
IP
Physical Therapist - Open Your Own Clinic!
IVYREHAB PHYSICAL THERAPY OT & SLP PLLC
Remote, United States
- $105,000 to $125,000 USD / year
At Ivy Health, we believe great people build great clinics. As a Clinic Director, you'll have the opportunity to lead a team that genuinely cares about one another while helping patients…
Added 2 hours ago
Physicist/Scientist III-X-ray Imaging (E3)
Applied Materials
Benicia, CA
Applied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world.…
Added 2 hours ago
Senior Director, Content Strategy
Walmart
San Bruno, CA
Walmart is seeking a Senior Director of Content Design to lead how clear, useful, and compelling content comes to life across our global customer, associate, and enterprise experiences.
Added 2 hours ago
Sr. Manager, Data Science & Analytics
Sunrun
CA
Experience: 8+ years of experience in Data Analytics, Business Intelligence, or Applied Data Science, with 3+ years in a team lead or management role overseeing analysts.
Added 2 hours ago
Applied Research Lead, AI for Teaching
Stanford University
Stanford, CA
Lead multidisciplinary teams that span the lab and partners’ product and engineering teams.
Added 2 hours ago
AI Sound Design Lead
Meta
Fremont, CA
Meta's Creative Audio team is looking for an experienced Sound Design Lead to join our AI Audio team to drive AI Sound Effects and AI Sound Design work across Meta. This role sits at the…
Added 2 hours ago
Software Engineer - Traffic Capacity & Performance
Meta
Menlo Park, CA
Lead technical direction across teams, mentor engineers, and represent capacity engineering in cross-team design reviews
Added 2 hours ago
Senior Software Development Engineer in Test, Confidential Computing - SDET
Nvidia
Santa Clara, CA
Collaborate across teams to identify new features and lead developers in definition, automation implementation, and productization of those features in timely manner
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Customer Business Operations Specialist IV
Applied Materials
Santa Clara, CA
Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. We design, build and service cutting-edge…
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Senior Specialist, Manufacturing Data Engineering & Digital Integration
Merck
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Lead and coordinate cross-functional technical work, mentor data engineers and analysts, review deliverables, and promote scientific rigor, innovation, and continuous improvement.
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Digital Product Manager
Qnity
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We are seeking a highly skilled and motivated Digital Product Manager to lead the development, maintenance, and enhancement of our digital products. This role will focus on leveraging data…
Added 3 hours ago
UT
Assistant Professor of English
UTAH TECH UNIVERSITY
SAINT GEORGE, UT
- $60,000 to $63,000 USD / year
Added 3 hours ago
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Transit Railcar Technology Specialist Intern
MTA
Brooklyn, NY
- From $115,252 USD / year
All selected candidates will be subject to a full background investigation that includes employment and education. Discrepancies may lead to dismissal.
Added 3 hours ago
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Transit Management Analyst Series
MTA
Brooklyn, NY
- From $115,252 USD / year
Added 3 hours ago
Principal Sensory Scientist
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BUFFALO, NY
…trusted advisor and recognized consumer and sensory expert to lead complex, strategic projects in a US and global context that have broad based implications across R&D, the business and…
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Director, Business & Enterprise Architecture
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Added 3 hours ago
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Partner Enablement Lead, System Integrators
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NEW YORK, NY
…systems.About the roleWe're looking for a Partner Enablement Lead, System Integrators to define and scale how Anthropic enables its SI ecosystem. This role is responsible for translating…
Added 3 hours ago
AI Enablement Lead
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New York, NY
As an AI Enablement Lead at EPAM, you will lead the delivery of client engagements that move AI from pilot to everyday practice. You will help clients determine where AI and people each add…

Software Engineer - Traffic Capacity & Performance

Menlo Park, CA, United States

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Job details

Experience: 7+ years of software development experience in industry, or a PhD with 4+ years of experience
Posting language: English
Posted: Nov 7, 2026

Original job description

Summary:

Meta's edge network carries traffic in two directions: content out to billions of people from edge sites and caches inside internet service providers, and Meta's own services and AI agents reaching sites across the internet. The Traffic Capacity & Performance team decides how much capacity Meta builds for both, and where. We size it to keep serving through failures and demand spikes, drain sites at peak on purpose to find weak spots before a real outage does, and have apps and services ask for less when capacity runs low.

Required Skills:

Software Engineer - Traffic Capacity & Performance Responsibilities:

Build and extend large-scale simulation of global traffic placement: how traffic shifts across edge sites as demand grows and as sites, peering links and backbone paths fail. Run thousands of scenarios fast enough to plan with
Work with the load-balancing team on simulation fidelity and performance, and validate results against production behavior and live failure tests
Formulate and solve capacity planning as constrained optimization: where to add compute, peering and caches, given space, power, supply, latency and failure constraints. Build and tune the solvers
Plan capacity for the browsers, proxies and caches Meta's services and AI agents use to reach the internet, and find which one becomes the bottleneck as Meta's internet access needs grow
Build production forecasting of peak demand, by region and by product, driven by product changes and events rather than trend alone. Quantify uncertainty and track accuracy against actuals
Model failures and their impact, including correlated and cascading failures. Size the buffers we hold against failures and demand surges, and express plans as risk and cost trade-offs leadership can choose between
Build agentic planning systems that rerun forecasts and plans continuously, detect drift, explain what changed and propose actions, with evaluations and guardrails
Lead technical direction across teams, mentor engineers, and represent capacity engineering in cross-team design reviews
Run what you build in production, including oncall

Minimum Qualifications:

Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
7+ years of software development experience in industry, or a PhD with 4+ years of experience
Proficiency in Python and at least one of C++, Java, Go or Rust
Experience building and operating production systems or large-scale data pipelines
Experience in at least one of: large-scale simulation, mathematical optimization, or forecasting systems
Experience leading technical work that spans multiple teams

Preferred Qualifications:

Experience running large scenario sweeps on distributed compute (for example Spark or Presto)
Experience building discrete-event, flow-level or Monte Carlo simulations, and validating them against production
Experience applying LLM-based agents to production workflows, including evaluations
Experience with mixed-integer or linear programming and solvers (for example Gurobi, CPLEX, OR-Tools or HiGHS), or large-scale heuristic search
Experience with network capacity planning, traffic engineering, content delivery networks, load balancing or forward proxies at scale
Experience with reliability engineering: failure modeling, failure-domain analysis, disaster-recovery or chaos testing
Experience with probabilistic, driver-based forecasting, including launches and events
Advanced degree in operations research, computer science, electrical engineering, applied mathematics or a related field

Public Compensation:

$183,997/year to $257,000/year + bonus + equity + benefits

Industry: Internet

Equal Opportunity:

Meta is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment.

Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@meta.com.

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More about this job

Skills

Forecasting
Leadership
Computer science
Computer engineering
Software development
Python
C++
Oracle Java
Go
Rust
Traffic engineering
Implement ICT recovery system
Research
Electrical engineering

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