# Senior Data & Machine Learning Engineer

About the Role Join an early-stage AI company building personalized advertising and recommendation technology. You will own the matching system end to end, from model development through real-time serving, helping shape a core product capability. What You'll Do Build retrieval, ranking, and re-ranking systems to match ads with recipients. Develop embedding and vector-search infrastructure for real-time ad selection. Optimize ranking for click-through rate, advertiser return, publisher revenue, and subscriber relevance. Own the feature store and serving path, including offline training, online inference, and consistency between them. Apply large language models and foundation models to subscriber tagging, content understanding, and user modeling. Take initiatives from prototype to production, including online learning, feedback systems, ETL/ELT pipelines, and warehouse transformations. Create dashboards and scorecards to track system health and business and model performance. Work with company leadership and engineering to set priorities, and help scale the recommendation system and future ML team. What We're Looking For Five or more years of relevant experience, including a

- **Id**: 4084751
- **Url**: <https://alion.io/job/true-talent-solutions-partners-senior-data-machine-learning-engineer-2>
- **Role**: AI/ML
- **Role family**: AI/ML
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: explicit
- **Locations**: New York, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 5
- **Visa sponsorship**: yes
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-11T18:01:47Z
- **Employer posted date**: 2026-11-11
- **Last verified at**: 2026-11-11T18:37:53Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 2281
- **Description truncated**: no
- **Benefits**: Hybrid work
- **Relocation offered**: no

## Company

- **Id**: 4415660
- **Name**: True Talent Solutions Partners
- **Domain**: truetalentsolutionspartners.com
- **Url**: <https://alion.io/company/true-talent-solutions-partners>
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: Ashby

## Salary

- **Min**: 200000
- **Max**: 300000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 300000

## Technologies

- **dbt** — Optional: no
- **Embeddings** — Optional: no
- **ETL/ELT** — Optional: no
- **FAISS** — Optional: no
- **Feature Store** — Optional: no
- **Milvus** — Optional: no
- **pgvector** — Optional: no
- **Pinecone** — Optional: no
- **PostgreSQL** — Optional: no
- **Recommender Systems** — Optional: no
- **SQL** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Experience years min**: 5
- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

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

## Lifecycle

- Event: open; At: 2026-11-11T18:37:53Z

## Visa

- Country: US; Licensed sponsor: no; Adverts offering sponsorship 24m: 80; Sanctioned now: no; Evidence: Offered visa sponsorship in 80 of its adverts here in 24 months; Filings 12m: 0

## Liveness

- **Score**: 52
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.516
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 4
- **Reasons**: conf:0, agency, win:early, comp:brand
- **Computed at**: 2026-11-11T19:28:09Z

## Pay

- **Stated usd annual**: 300000
- **Is top pay**: yes

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