Jobs in the United States

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Added 2 mins ago
Senior Civil Engineer
Langan Engineering & Environmental Services
Portland, OR
Langan is seeking a Senior Staff Civil Engineer to join its collaborative team in Portland, OR. This individual will serve a key function in providing the planning, design, and permitting…
Added 3 mins ago
Senior Implementation Engineer
Q2 Software, Inc.
Cary, NC · Lincoln, NE · Austin, TX · Charlotte, NC
Q2 is seeking a Senior Implementation Engineer responsible for implementing and supporting Q2's highly configurable software solutions and integrations to align with the business…
Added 4 mins ago
Senior Product Manager, CoinDesk Media - Growth
Bullish US LLC
NY
We're looking for a Senior Product Manager, Growth to do three things: help us win big with our new subscription business, help us build a truly great mobile app, and be exceptional at…
Added 4 mins ago
Sr. Product Engineer – ArcGIS Solutions Web Development
Esri
Redlands, CA
…their investment in location-based data and technology. As the Senior Product Engineer – Web Development, you will collaborate with solution and product development team members to design,…
Added 4 mins ago
Sr. Product Engineer – ArcGIS Solutions Web Development
Esri
Charlotte, NC
…their investment in location-based data and technology. As the Senior Product Engineer – Web Development, you will collaborate with solution and product development team members to design,…
Added 4 mins ago
Sr. Product Engineer – ArcGIS Solutions Web Development
Esri
Denver, CO
…their investment in location-based data and technology. As the Senior Product Engineer – Web Development, you will collaborate with solution and product development team members to design,…
Added 4 mins ago
Sr. Product Engineer – ArcGIS Solutions Web Development
Esri
Philadelphia, PA
…their investment in location-based data and technology. As the Senior Product Engineer – Web Development, you will collaborate with solution and product development team members to design,…
Added 4 mins ago
Sr. Product Engineer – ArcGIS Solutions Web Development
Esri
Remote, United States
…their investment in location-based data and technology. As the Senior Product Engineer – Web Development, you will collaborate with solution and product development team members to design,…
Added 5 mins ago
Sales Engineer
TAE Power Solutions
Remote, United States
We are seeking an experienced Sales Engineer to provide technical leadership throughout the sales cycle for the TAE PowerFabric platform, supporting the acquisition of new AI Data Center…
Added 5 mins ago
Senior Software Engineer
Cisco
San Jose, CA
As a Senior Software Engineer on the AI Platform, you will play a crucial role in advancing how the organization builds and operates AI agents - by contributing to the architecture, design,…
Added 5 mins ago
Manufacturing Equipment Senior Engineer
Honda Dev. and Mfg. of Am.,LLC
Lincoln, AL
Maintain Technical documentation to ensure design intent for long term Equipment reliability
Added 5 mins ago
Sr Engineer Team Leader - Product
Pella Windows & Doors
Pella, IA
Focuses on coaching, developing, and leveraging the talents of others. Supervises exempt and non-exempt employees up to and including Senior Engineer (generally over 25% of time).
Added 6 mins ago
Senior/Staff Cloud Infrastructure Engineer
Zipline
South San Francisco, CA
…to food, medicine and essential goods anytime, anywhere. We design, build, and operate the world’s largest autonomous logistics system, delivering critical supplies quickly and reliably.…
Added 7 mins ago
DO
Senior Data AI Engineer
Department of Insurance
CA
- $8,625 to $11,557 USD / month
…California Department of Insurance (CDI) is seeking a dynamic Senior Data AI Engineer with experience in software development, data engineering and/or architecture, including data warehouse…
Added 9 mins ago
Director of Engineering
FourGen Holdings
Oak Brook, IL
…solutions. The successful candidate will hold an active Professional Engineer (PE) license in Illinois and possess expertise in electrical power systems, constructability, and electrical…
Added 9 mins ago
Senior Mechanical Engineer / Project Manager – Industrial
DLZ Corporation
Merrillville, IN
DLZ is seeking a Senior Mechanical Engineer / Project Manager to join our Industrial group in Merrillville, Indiana. This position combines hands-on mechanical design with project…
Added 10 mins ago
SF
Project Manager, Accessibility
San Francisco Bay Area Rapid Transit District (BART)
Oakland, CA
- $77.31 to $117.12 USD / hour
…This position will be responsible for accessibility planning, design review, code interpretation and regulatory compliance, and managing the AIP. They will provide District staff with…
Added 12 mins ago
AB
Machine Learning Engineer, Model Experimentation
Aether Biomachines
South San Francisco, CA
- $150,000 to $200,000 USD / year
This role exists to test modeling ideas quickly and tell the team, with evidence, which ones deserve more time. The ML team is small and senior; this person is its fastest experimental loop.
Added 12 mins ago
Senior BI Developer
Powerfleet
Remote, United States
We're looking for a Senior BI Developer to join our Data and Analytics team. You'll be a hands-on C# engineer who builds the business logic behind our API endpoints and our SSRS reporting.…
Added 12 mins ago
Chief Talent Acquisition & Culture Officer
Jimerson Birr, P.A.
Jacksonville, FL
A closer with credibility. Experienced attorneys, practice leaders, and senior executives take your call because you understand their motivations and the economics of a law firm. You…
Added 12 mins ago
Mechanical Design Engineer – Exhaust Systems
General Electric Company
United States
As part of a cross-functional Exhaust Systems team within a Military NPI Program, the design engineer will be focused on product design, integration, testing, development, and support of…
Added 12 mins ago
Senior Snowflake Data Engineer
Experis USA
New Providence, NJ
Our client, Data & Analytics is seeking a Senior Snowflake Data Engineer to join their team. As a Senior Snowflake Data Engineer, you will be part of the Engineering organization supporting…
Added 13 mins ago
Associate Data Engineer
Visa Technology and Operations LLC
Foster City, CA
Data Engineers in this role support the design, implementation, and maintenance of data pipelines and processing jobs to enable secure, scalable, and high-quality technology solutions. They…
Added 14 mins ago
Assistant Transportation Engineer
Department of Transportation
Augusta, ME
…and experienced engineering personnel, the Entry-Level Civil Engineer will assist with a variety of engineering projects and activities involving highway design, bridge design, geotechnical…
Added 14 mins ago
Lead Engineer, Full-Stack Engineering
Cencora Benefit eServices LLC
Remote, United States
This role is designed for a senior engineer who can take ownership of a substantial product or system component, make sound technical decisions, and work effectively across engineering and…

Aether Biomachines

Machine Learning Engineer, Model Experimentation

South San Francisco, CA, United States

$150,000 to $200,000 USD / year

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Job details

Pay: $150,000 to $200,000 USD / year
Posting language: English
Posted: Nov 9, 2026

Original job description

About Aether Aether engineers enzymes and uses them to make materials that are hard or impossible to produce any other way. The goal is not a better product line. It is to reach the point where more or less anything can be manufactured quickly and cheaply, anywhere, by borrowing a few billion years of evolution rather than inventing the chemistry from scratch.

That work already pays for itself: Aether's print materials are shipping into defense and unmanned systems today. The company is Series A, with a bit over $60M raised.

On the AI side, Aether is generating more protein-material binding data than any other group we know of, aimed at a model where you describe the material you want and it tells you which proteins can make it. About the role This role exists to test modeling ideas quickly and tell the team, with evidence, which ones deserve more time. The ML team is small and senior; this person is its fastest experimental loop. A typical cycle looks like this: take an idea (a new architecture, a different representation, a change to the training objective), set up a baseline, run it, and come back with a clear call to continue, change course, or stop. Most ideas will not work, and that is expected. Success in this role is measured by how quickly and clearly you learn which ideas hold up, not by how many of them do. You will work day to day with senior members of the ML team, who will help set priorities and review your calls. The data you work with comes from real lab measurements, so results can be checked against what actually happened at the bench. What you'll do

Design and run ML experiments end to end: baseline, model changes, training runs and evaluation.
Make a clear call on each experiment and write it up in a page or less, including the ones that failed.
Build evaluations you would trust even when they go against the idea being tested.
Bring ideas from the wider field, such as world models, latent-prediction objectives or diffusion, and test them against Aether's own data.
Work within the team's ML infrastructure, and improve it where it slows experiments down.

What we're looking for

Hands-on experience training and evaluating models yourself, whether in research, a job, competitions or serious personal projects. The number of experiments you have run matters more than years of experience.
Strong experimental habits: baselines first, 1 change at a time, ablations, and honest evaluation.
Speed. You are comfortable writing code that runs today and cleaning it up only once an idea earns it.
A track record of stopping things. You can describe an experiment you abandoned, what told you to stop, and how quickly you made the call.
Clear written communication of results, especially negative ones.
Fluency in Python and a modern deep learning framework such as PyTorch or JAX.

Nice to have, and what we'll teach

Nice to have:

Experience with world models or latent-prediction methods (JEPA, DreamerV3 or similar)
Experience with diffusion models, in any domain
Competition results, open-source contributions, or a project you built and maintained yourself

Note: No chemistry or biology background is required. We will teach the molecular and protein side, along with Aether's data and tooling. We would rather hire a strong experimenter and teach the domain than the reverse.

The pay range for this role is $150,000 to $200,000 per year plus equity, with final compensation based on skills and experience.

Aether is committed to building an inclusive and diverse workplace. We welcome applicants from all backgrounds and do not discriminate on the basis of age, disability, gender identity or expression, marital or civil-partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. All employment decisions are based on qualifications, merit, and business needs.

We are committed to providing reasonable accommodations for candidates throughout the recruitment process. If you require any adjustments to participate fully in interviews or assessments, please let us know and we will work with you to support your needs.

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