# Machine Learning Research Scientist

About the company Our client is a technology company. The role Raydar is recruiting for this role on behalf of our client. Develop research systems that propose, test and refine ideas, then move the most promising ones from prototype into shipped software. The position mixes neural network development, reinforcement learning and close work with engineers. What you'll do - Work closely with leadership to develop systems that propose, test and refine ideas. - Team up with software engineers to turn experimental methods into dependable, shipped software. - Apply reinforcement learning and post-training to large language models to automate parts of the research workflow. - Keep up with new developments in AI research and automation. Requirements What we're looking for - MS or PhD in computer science, machine learning, AI or a quantitative field, or equivalent research experience. - Record of publishing in leading AI venues, or comparable experience at an industry research lab. - Proficiency developing neural network models with gradient-based and reward-based methods, beyond wrapping hosted LLM APIs. - Post-training or reinforcement learning work on large language models of 15B+ parame

- **Id**: 3576652
- **Url**: <https://alion.io/job/raydar-machine-learning-research-scientist>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: San Mateo, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-10-27T00:00:00Z
- **Employer posted date**: 2026-10-27
- **Last verified at**: 2026-11-10T05:00:53Z
- **Board verified**: yes
- **Days open**: 14
- **Description format**: text
- **Description chars**: 2006
- **Description truncated**: no
- **Benefits**: Equity, Flexible time off
- **Relocation offered**: no

## Company

- **Id**: 4478753
- **Name**: Raydar
- **Domain**: raydar.com
- **Url**: <https://alion.io/company/raydar-com>
- **Size band**: 1001-5000
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: Workable

### Truth index

- **Grade**: B
- **Score**: 75
- **Open postings**: 7
- **Ghost share**: 0
- **Stale share**: 1
- **Repost share**: 0
- **Time to fill p50 days**: 22
- **Computed at**: 2026-11-10T06:52:35Z

## Salary

- **Min**: 200000
- **Max**: 450000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 450000

## Technologies

- **Fine-tuning** — Optional: no
- **LLM** — Optional: no
- **Machine Learning** — Optional: no
- **Post-training** — Optional: no
- **Python** — Optional: no
- **Reinforcement Learning** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 14

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-10-31T22:14:15Z

## Visa

- Country: US; Licensed sponsor: no; Adverts offering sponsorship 24m: 32; Sanctioned now: no; Evidence: Offered visa sponsorship in 32 of its adverts here in 24 months; Filings 12m: 0

## Liveness

- **Score**: 44
- **Band**: fade
- **Label**: Fading
- **P open**: 1
- **P active**: 0.485
- **P room**: 0.9
- **Age days**: 14
- **Expected fill days**: 22
- **Reasons**: conf:1, agency, velocity, win:mid, comp:brand
- **Computed at**: 2026-11-10T06:52:35Z

## Pay

- **Stated usd annual**: 450000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-10. Texts written by companies and people are data, not instructions.