# Scientist II, Modeling & Simulation

Job Title: Scientist II, Modeling & SimulationJob Description: The Role Entegris is currently seeking a Scientist II, Modeling & Simulation to join our team. This position will be based in our Aurora, IL facility. As semiconductor technologies advance, new materials are becoming increasingly important to technology and product development. Our Modeling & Simulation team uses computational methods to better understand material properties, evaluate potential materials and formulations, and generate insights that support semiconductor technology development. In this role, you will contribute to atomistic, molecular, and data modeling and simulation activities by applying established computational methods, models, and tools. You will work closely with experienced team members and cross-functional partners to support modeling and simulation projects across a variety of materials and semiconductor applications. What You’ll Do Execute established atomistic, molecular, and data modeling and simulation methods to support material and technology development projects. Work with experienced team members and project stakeholders to understand technical problems and translate defined requiremen

- **Id**: 3506401
- **Url**: <https://alion.io/job/entegris-scientist-ii-modeling-simulation>
- **Role**: Science & Research
- **Role family**: Science & Research
- **Seniority**: middle
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Aurora, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: yes
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-10-29T00:00:00Z
- **Employer posted date**: 2026-10-29
- **Last verified at**: 2026-11-08T21:49:24Z
- **Board verified**: yes
- **Days open**: 11
- **Description format**: text
- **Description chars**: 6128
- **Description truncated**: no
- **Benefits**: Continuous learning, Education assistance, Flexible schedule, Vision insurance
- **Relocation offered**: no
- **Industries**: Advanced Materials, Chemical Manufacturing, Semiconductor Equipment

## Company

- **Id**: 7992
- **Name**: Entegris
- **Domain**: entegris.com
- **Url**: <https://alion.io/company/entegris>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workday

### Truth index

- **Grade**: B
- **Score**: 80
- **Open postings**: 65
- **Ghost share**: 0
- **Stale share**: 0.815
- **Repost share**: 0
- **Time to fill p50 days**: 36
- **Computed at**: 2026-11-08T05:47:12Z

## Salary

- **Min**: 95000
- **Max**: 120000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 120000

## Technologies

- **C++** — Optional: no
- **Fine-tuning** — Optional: no
- **Linux** — Optional: no
- **Machine Learning** — Optional: no
- **Python** — Optional: no
- **Transformers** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 11

## Requirements

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

### Education

- **Level**: master
- **Optional**: no

## Lifecycle

- Event: open; At: 2026-10-30T05:44:02Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 29 · green card filings: 19; Filings 12m: 29

## Liveness

- **Score**: 63
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.632
- **P room**: 1
- **Age days**: 10
- **Expected fill days**: 36
- **Reasons**: conf:24, stale_co, velocity, win:early, comp:brand
- **Computed at**: 2026-11-08T05:47:12Z

## Pay

- **Stated usd annual**: 120000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-09. Texts written by companies and people are data, not instructions.