# Mechanical Principal Engineer

About the role We are looking for a Mechanical Principal Engineer to provide technical leadership across the design, development, implementation, commissioning, and operation of mechanical and HVAC systems within our infrastructure. The role will have a strong focus on HVAC, cooling, ventilation, and other critical mechanical systems, ensuring they are designed and operated to meet the highest standards of reliability, efficiency, safety, and performance. The Mechanical Principal Engineer will serve as a senior technical authority, working closely with multidisciplinary engineering teams, contractors, consultants, and equipment vendors. What You'll Do Mechanical & HVAC Engineering Lead the design, development, and technical review of HVAC, cooling, ventilation, and other mechanical systems. Develop and review engineering calculations, equipment selections, specifications, layouts, and technical solutions. Ensure HVAC and mechanical systems are appropriately sized, integrated, and optimized for operational requirements. Review system performance, thermal requirements, cooling capacity, redundancy, and energy efficiency. Technical Leadership Act as the principal technical authority f

- **Id**: 2503694
- **Url**: <https://alion.io/job/firebird-mechanical-principal-engineer>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Seniority**: lead
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Yerevan, Armenia
- **Countries**: AM
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-07-01T00:00:00Z
- **Employer posted date**: 2026-07-01
- **Last verified at**: 2026-11-08T07:24:20Z
- **Board verified**: yes
- **Days open**: 130
- **Description format**: text
- **Description chars**: 4730
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Data Centers & Colocation, AI Compute & Inference

## Company

- **Id**: 2031237
- **Name**: Firebird
- **Domain**: firebird.ai
- **Url**: <https://alion.io/company/firebird-ai>
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Spark

### Truth index

- **Grade**: C
- **Score**: 61
- **Open postings**: 14
- **Ghost share**: 0.643
- **Stale share**: 0
- **Repost share**: 0
- **Computed at**: 2026-11-08T05:47:12Z

## Salary estimate

- **Min usd**: 34000
- **Max usd**: 87000
- **Period**: year
- **Method**: global_role_cell_scaled_by_country
- **Sample n**: 2629

## Trust

- **Level**: ghost
- **Repost count**: 0
- **Flags**: stale, company_stale
- **Days open**: 130

## Requirements

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

### Education

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

## Lifecycle

- Event: open; At: 2026-10-14T06:59:48Z

## Liveness

- **Score**: 6
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.229
- **P room**: 0.28
- **Age days**: 130
- **Expected fill days**: 28
- **Reasons**: conf:2, stale_co, ghost, win:tail, crowd:
- **Computed at**: 2026-11-08T05:47:12Z

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Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.