# Mechanical Engineer, Data Centers

About You: Do you have an entrepreneurial spirit and a passion for engineering? Do you love designing andimplementing complex mechanical systems? Are you looking for a company that is constantly trying to push the boundaries of what it means to offer a better construction solution process by using design/build? If the answer is, “Yes!” then we have an opportunity that will excite you. Who are we? We are ARCO, a Family of Construction Companies. ARCO/Murray Engineering is seeking a Mechanical Engineer to join our Mission Critical Engineering team in Downers Grove, Illinois. In this role, you will lead the full mechanical scope for hyperscale, colocation, and enterprise data center projects, guiding the development of complex cooling and mechanical infrastructure systems essential to high-availability facilities. You will join an established but rapidly growing design/build group focused on delivering reliable, scalable, and efficient data center solutions. Our team collaborates closely with internal construction partners, project managers, and commissioning teams-working together to deliver world-class mission-critical environments. A Day in the Life: Lead the mechanical design pro

- **Id**: 4282131
- **Url**: <https://alion.io/job/arco-mechanical-engineer-data-centers>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Seniority**: middle
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Downers Grove, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 3
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: yes
- **Status**: live
- **First seen at**: 2026-11-13T16:11:37Z
- **Employer posted date**: 2026-11-13
- **Last verified at**: 2026-11-15T10:46:37Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 5743
- **Description truncated**: no
- **Benefits**: 401k plan, Insurance coverage, Parental leave, Vision insurance
- **Relocation offered**: no
- **Industries**: Architecture, Construction

## Company

- **Id**: 4417304
- **Name**: ARCO
- **Domain**: thearcoway.com
- **Url**: <https://alion.io/company/thearcoway>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 100
- **Open postings**: 3
- **Ghost share**: 0
- **Stale share**: 0
- **Repost share**: 0
- **Time to fill p50 days**: 53
- **Computed at**: 2026-11-15T07:52:55Z

## Salary

- **Min**: 95000
- **Max**: 125000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 125000

## Technologies

- **AutoCAD** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

- **Experience years min**: 3
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: no

## Lifecycle

- Event: open; At: 2026-11-13T20:45:03Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Filed H-1B visas in the last two years; Filings 12m: 0

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 53
- **Reasons**: conf:4, win:early, comp:brand
- **Computed at**: 2026-11-15T07:52:55Z

## Pay

- **Stated usd annual**: 125000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-15. Texts written by companies and people are data, not instructions.