Jobs in the United States

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Added 2 mins ago
Senior Product Manager, Product Systems
Agoda
Chicago, IL
Added 7 mins ago
Data Engineer
Trinzic
Beavercreek, OH
As a Data Engineer, you will have the opportunity to work with unstructured and structured data, develop databases, build data pipelines, and find innovative solutions to complex data…
Added 8 mins ago
Principal Engineer
DCS CORPORATION
Dayton, OH
…object-oriented programming languages, including Java, C++, or Python Experience with DoD Architecture Framework (DoDAF), Unified Architecture Framework (UAF), or other architecture…
Added 8 mins ago
Senior Staff / Senior Algorithm Engineer (Clearance Required)
Scitec, Inc.
Dayton, OH
…implement, and optimize high-performance tracking algorithms in Python, Rust, and C++, with emphasis on scalability, latency reduction, and robustness for operational missions. - Develop…
Added 8 mins ago
T
Engineer Signal Image Processing 2
TEKsystems
Cincinnati, OH
- $40 to $50 USD / hour
We are seeking a highly skilled Sr. Principal Digital Signal Processing Engineer to develop advanced signal processing solutions supporting mission-critical applications. This role is ideal…
Added 8 mins ago
Senior Security GRC Engineer, AI & Automation
American Express Global Business Travel
Columbus, OH
AmexGBT’s Security GRC team is looking for a talented Senior Security GRC Engineer to design, build, and scale automation and AI-driven solutions that modernize our governance, risk, and…
Added 8 mins ago
Sr Technical Security Product Owner (DevSecOps Engineering)
Humana
Columbus, OH
Added 8 mins ago
Summer 2027 AI Services and Platforms Software Engineer Graduate Intern
Highmark Health
Columbus, OH
The Summer 2027 AI Services and Platforms Software Engineer Graduate Internship provides graduate students with an opportunity to gain hands-on experience building scalable, cloud-native…
Added 8 mins ago
Software Engineer, Infrastructure - Central Growth
Meta
Columbus, OH
Software Engineer, Infrastructure - Central Growth Responsibilities:
Added 9 mins ago
Lead Engineer
PwC
Columbus, OH · Cincinnati, OH · Cleveland, OH · Toledo, OH
As a Lead Engineer you will guide the design, build, testing, and modernization of custom applications across cloud-native and on-premise environments, using modern engineering approaches,…
Added 9 mins ago
Senior Engineer
PwC
Cincinnati, OH · Columbus, OH · Cleveland, OH · Toledo, OH
As a Senior Engineer you will help design, build, and test custom applications within our Advisory practice, bringing together software engineering, cloud-based solution delivery, and…
Added 9 mins ago
Lead AI and Data Science Engineer II
Deloitte
Cleveland, OH · Columbus, OH · Cincinnati, OH
8+ years of experience with data science - including having a deep knowledge & mastery of Python, machine learning & deep learning, and associated data science packages (e.g., sklearn,…
Added 9 mins ago
Senior Lead Engineer
PwC
Toledo, OH · Cincinnati, OH · Columbus, OH · Cleveland, OH
As a Senior Lead Engineer you will lead custom application development and testing efforts that help clients turn business needs into scalable software solutions across cloud-native and…
Added 9 mins ago
EG
Financial Crimes Quality Engineer
Eliassen Group
Cincinnati, OH
- $70 to $80 USD / hour
Our client seeks a Financial Crimes Quality Engineer to ensure the quality, accuracy, reliability, and performance of Financial Crimes applications and data supporting AML, CDD, CTR,…
Added 9 mins ago
EG
Data Engineer
Eliassen Group
Cincinnati, OH
- $55 to $60 USD / hour
Our client seeks a Data Engineer to design, build, and support scalable, production-ready data solutions using Snowflake, dbt, SQL, and related enterprise technologies. The role translates…
Added 9 mins ago
EG
Staff AI & Data Engineer – Databricks
Eliassen Group
Columbus, OH
- $80 to $90 USD / hour
Our client is seeking a highly experienced Staff AI & Data Engineer to design and build enterprise-grade data and AI solutions on Databricks. This hands-on role focuses on strengthening the…
Added 12 mins ago
Sr. Software Integration Engineer
Ultima Genomics
Remote, United States
We are looking for a highly motivated Senior Software Integration Engineer to join our team!
Added 13 mins ago
Senior Network Engineer, Robotics, Enterprise Engineering, DeepMind
DeepMind
Mountain View, CA
Ability to develop and implement network automation tools and scripts (such as using Python, Ansible, or Terraform) to streamline operational tasks, provisioning, and configuration…
Added 16 mins ago
Software Engineering Lead and Application Architect - TS/SCI with Polygraph
GD Information Technology, Inc.
United States
We are seeking a Lead Engineer to drive the end-to-end software engineering function for mission and enterprise applications across classified environments. This role is accountable for…
Added 16 mins ago
Senior Cloud Platform and DevSecOps Engineer - TS/SCI with Polygraph
GD Information Technology, Inc.
United States
Strong Linux and Windows administration fundamentals plus proficiency in Python, PowerShell, Bash, or another automation language.
Added 16 mins ago
Grafana Data Engineer Senior
GD Information Technology, Inc.
United States
The Data Engineer Senior will be responsible for delivering data engineering, data platform, reporting, and analytics capabilities that support operational decision-making and fulfill our…
Added 22 mins ago
Lead Systems Design Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Systems Design Engineer based in the United States.
Added 22 mins ago
Lead AI Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead AI Engineer based in the United States.
Added 22 mins ago
J
Full-Stack Platform Engineer
Jobgether
Remote, United States
- $190,000 to $215,000 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Full-Stack Platform Engineer based in the United States.
Added 30 mins ago
Full Stack Engineer
True Talent Solutions Partners
San Francisco, CA
- Experience with Python, PostgreSQL or MongoDB, and AWS is useful.

SpaceXSI

Model Engineer, Multimodal Understanding

Palo Alto, CA, United States

$160,000 - $250,000 USD

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Job details

Pay: $160,000 - $250,000 USD
Posting language: English
Posted: Nov 6, 2026

Original job description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.

SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

MODEL ENGINEER, MULTIMODAL UNDERSTANDING

You will join the multimodal team to push toward superhuman multimodal intelligence. Advance understanding and generation across modalities - image, video, audio, and text - spanning the full stack: data curation/acquisition, tokenizer training, large-scale pre-training, post-training/alignment, infrastructure/scaling, evaluation, tooling/demos, and end-to-end product experiences.

Collaborate cross-functionally with pre-training, post-training, reasoning, data, applied, and product teams to deliver frontier capabilities in multimodal reasoning, world modeling, tool use, agentic behaviors, and interactive human-AI collaboration. Contribute to building models that can see, hear, reason about, and interact with the world in real time at unprecedented levels.

RESPONSIBILITIES:

Design, build, and optimize large-scale distributed systems for multimodal pre-training, post-training, inference, data processing, and tokenization at web/petabyte scale
Develop high-throughput pipelines for data acquisition, preprocessing, filtering, generation, decoding, loading, crawling, visualization, and management (images, videos, audio + text)
Advance multimodal capabilities including spatial-temporal compression, cross-modal alignment, world modeling, reasoning, emergent abilities, audio/image/video understanding & generation, real-time video processing, and noisy data handling
Drive data quality and studies: curation (human/synthetic), filtering techniques, analysis, and scalable pipelines to support trillion-parameter models
Create evaluation frameworks, internal benchmarks, reward models, and metrics that capture real-world usage, failure modes, interactive dynamics, and human-AI synergy
Innovate on algorithms, modeling approaches, hardware/software/algorithm co-design, and scaling paradigms for state-of-the-art performance
Build research tooling, user-friendly interfaces, prototypes/demos, full-stack applications, and enable rapid iteration based on feedback
Work across the stack (pre-training → SFT/RL/post-training) to enable reasoning, tool calling, agentic behaviors, orchestration, and seamless real-time interactions

BASIC QUALIFICATIONS:

Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++

PREFERRED SKILLS AND EXPERIENCE:

Expert-level proficiency in Python (core language), with strong experience in at least one of: JAX / PyTorch / XLA
Proven track record building or optimizing large-scale distributed ML systems (training/inference optimization, GPU utilization, multi-GPU/TPU setups, hardware co-design)
Deep experience designing and running data pipelines at scale: curation, filtering, generation, quality studies, especially for noisy/real-world multimodal data
Strong fundamentals in evaluation design, benchmarks, reward modeling, or RL techniques (particularly for interactive/agentic behaviors)
Proactive self-starter who thrives in high-intensity environments and is passionate about pushing multimodal AI frontiers
Willingness to own end-to-end initiatives and do whatever it takes to deliver breakthrough user experiences
Experience leading major improvements in model capabilities through better data, modeling, algorithms, or scaling
Familiarity with state-of-the-art in multimodal LLMs, scaling laws, tokenizers, compression techniques, reasoning, or agentic systems
Proficiency in Rust and/or C++ for performance-critical components
Hands-on work with large-scale orchestration tools such as Spark, Ray, or Kubernetes
Background building full-stack tooling: performant interfaces, real-time research demos/apps, or end-to-end product ownership
Passion for end-to-end user experience in interactive, real-time multimodal AI systems

COMPENSATION AND BENEFITS:

$160,000 - $250,000 USD

Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

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