Jobs in the United States

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Site Civil Engineer PE
Woolpert, Inc
Philadelphia, PA
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Sr Project Manager
Exelon
PHILADELPHIA, PA
- $100,800 USD / year
…Leads project teams through business case / capital approval process, development and execution of project plans and project closeout. These projects have budgets that will typically range…
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Structured Cabling Systems Telecom Project Lead
Jacobs
Philadelphia, PA · Pittsburgh, PA
At Jacobs our telecommunications project leads work on various projects as assigned by a Department Manager or Lead Engineer. This position will play a role in the entire design process…
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Loftware Spectrum Technical Lead / Solution Engineer Loftware Spectrum Technical Lead /
NTT Data Americas, Inc.
Philadelphia, PA
NTT DATA's Client is currently seeking a Loftware Spectrum Technical Lead / Solution Engineer Loftware Spectrum Technical Lead / to join their team in Philadelphia, Pennsylvania (US-PA),…
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Lead Engineer
PwC
Philadelphia, PA · Pittsburgh, PA
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,…
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Senior Lead Engineer
PwC
Pittsburgh, PA · Philadelphia, PA
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…
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Staff AI & Data Engineer – Databricks
Eliassen Group
Harrisburg, PA
- $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 1 min ago
Industrial Engineering Technician I, (Wed - Sat, Thurs - Sat, 6:00 AM - 6:00 PM)
Jabil Inc.
Florence, KY
Industrial Eng Technician I will support the Industrial Engineering Department in planning, designing, implementing, and managing; integrated, production and service delivery systems that…
Added 1 min ago
Industrial Engineering Technician II, (Sun-Tues, Sun-Wed, 6:00 AM - 6:00 PM)
Jabil Inc.
Florence, KY
Update the Key Process, process maps, as directed by the Industrial Engineer
Added 1 min ago
Industrial Engineer Technician I, Sun - Tues, Sun - Wed, 6:00 AM - 6:00 PM)
Jabil Inc.
Florence, KY
Industrial Eng Technician I will support the Industrial Engineering Department in planning, designing, implementing, and managing; integrated, production and service delivery systems that…
Added 1 min ago
Industrial Engineering Technician II, (Wed - Sat, Thur - Sat, 6:00 AM - 6:00 PM)
Jabil Inc.
Florence, KY
Update the Key Process, process maps, as directed by the Industrial Engineer
Added 1 min ago
Metrology Engineer
Quantum Space
Tulsa, OK · Broken Arrow, OK
Analyze inspection data to identify process drift and drive corrective action with manufacturing engineering
Added 1 min ago
Manufacturing Engineer (Tanks)
Quantum Space
Tulsa, OK · Broken Arrow, OK
…safety-critical components of our spacecraft. Working closely with design engineering, materials and processes, manufacturing, quality, and test teams, you will support first-article…
Added 1 min ago
Manufacturing Engineer
Quantum Space
Tulsa, OK · Broken Arrow, OK
2+ years of experience in manufacturing engineering, process engineering, or production engineering in a manufacturing environment
Added 4 mins ago
MEP Estimator - Mission Critical
STO Building Group
Sandy, UT
Organize and manage a centralized cost estimating database and a formal process to support cost estimating.
Added 4 mins ago
MEP Estimator - Mission Critical
STO Building Group
Nashville, TN
Organize and manage a centralized cost estimating database and a formal process to support cost estimating.
Added 4 mins ago
Travel Civil Project Manager- Mission Critical
STO Building Group
Tulsa, OK
Participates in value engineering services as appropriate.
Added 5 mins ago
KC
CCD Sensor Engineer
KLA Corporation
Milpitas, CA
- $117,800 to $200,300 USD / year
…specialty semiconductors, wafers, reticles, advanced packaging, process equipment and materials. We also develop technologies for specialty processes, IC substrates, and PCB manufacturing,…
Added 5 mins ago
KC
Sales Account Manager
KLA Corporation
Austin, TX
- $129,400 to $220,000 USD / year
Background as a Process Engineer or Applications Engineer transitioning into sales
Added 5 mins ago
Mechanical Engineer Intern
KLA Corporation
Milpitas, CA
…specialty semiconductors, wafers, reticles, advanced packaging, process equipment and materials. We also develop technologies for specialty processes, IC substrates, and PCB manufacturing,…
Added 8 mins ago
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Internship - Applications Engineer
Infineon
San Jose
- $20 to $34 USD / hour
Added 8 mins ago
Graduate - Process Engineer
Infineon
Leominster
factors Process Reliability : Apply manufacturing best practices to drive reliability and
Added 8 mins ago
Building Engineer
Colliers International REMS US, LLC
St Louis, MO
As the Building Engineer, you are a technical and engineering expert who is familiar with building maintenance systems and equipment. You bring strong organizational skills, a…
Added 8 mins ago
Sr. Model Engineer, Voice
SpaceXSI
Palo Alto, CA
You'll join the Grok Voice Model team as a software engineer. You'll design, build, and run the software systems behind Grok Voice, which delivers natural, low-latency, multilingual spoken…
Added 10 mins ago
Project Engineer, Construction
Abbott Laboratories
IL
As a Project Engineer, you will lead medium-sized capital and engineering projects from concept through completion, applying both technical expertise and project management discipline to…

SpaceXSI

Sr. Model Engineer, Voice

Palo Alto, CA, United States

$220,000 - $357,000 USD

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Job details

Pay: $220,000 - $357,000 USD
Experience: 2+ years of experience working with large scale voice related products
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.

SR. MODEL ENGINEER, VOICE

You'll join the Grok Voice Model team as a software engineer. You'll design, build, and run the software systems behind Grok Voice, which delivers natural, low-latency, multilingual spoken interactions across devices and in real time. The team owns the full engineering stack behind the model, from large-scale data processing to distributed training to production deployment.

RESPONSIBILITIES:

Design, build, and maintain large-scale distributed data pipelines that ingest, process, and annotate real-world and synthetic audio, so the training and evaluation systems get reliable, high-quality data
Build and optimize the distributed training infrastructure and software for speech-language models in JAX and PyTorch, including the systems that run supervised fine-tuning and reinforcement learning at scale
Build automated evaluation and testing systems that measure accuracy, audio quality, latency, and real-time performance, plus the experimentation infrastructure used to validate every model release
Integrate voice models into production applications and real-time services, write the technical specifications for spoken interactions, and own deployment from prototype to global scale with a focus on stability, low latency, and reliability
Profile and optimize system performance across training and inference, including throughput, latency, memory use, and compute efficiency

BASIC QUALIFICATIONS:

Bachelor's degree in computer science, software engineering, computer engineering, electrical engineering, or another engineering discipline
Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++
2+ years of experience working with large scale voice related products

PREFERRED SKILLS AND EXPERIENCE:

Experience building and running large-scale distributed training and inference systems on Kubernetes
Expert-level Python, writing clean, efficient, production-quality code for large-scale systems
Experience implementing and optimizing model training and inference software in JAX or PyTorch
Experience building automated testing, evaluation, and A/B experimentation pipelines for production systems
Hands-on experience building distributed data processing systems with tools like Spark and Ray
A proactive, self-driven attitude and the ability to deliver in a fast-paced, high-caliber team

COMPENSATION AND BENEFITS:

$220,000 - $357,000 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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Skills

Grading systems
PyTorch
BASIC
Computer science
Computer engineering
Electrical engineering
Python
Rust
C++
Kubernetes
Test automation
Process data
Apache Spark

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