# Senior Mechanical Engineer

At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators, and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. Here, you join a team that leverages differences, harnesses entrepreneurial spirit in an employee-owned company, believes diversity gives us strength, seeks sustainable results, and shares ambitions for each other, our clients, and the communities we serve. Together, we are EXP. Are you ready to design your future? Be our nextSenior Mechanical Engineer Your work environment at EXP In this role, you will be part of the MEP team supporting Transit, Transportation, Commercial, Institutional, and Public Infrastructure projects throughout the Mid-Atlantic region. This position provides technical leadership for HVAC, plumbing, and fire protection systems while working closely with multidisciplinary project teams and clients. Your Responsibilities Lead the design and delivery of HVAC, plumbing, and mechanical systems from planning through construction. Prepare and review engineering calculations, l

- **Id**: 2510845
- **Url**: <https://alion.io/job/exp-senior-mechanical-engineer-12>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Seniority**: senior
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Towson, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 10
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-08-25T20:20:06Z
- **Employer posted date**: 2026-08-25
- **Last verified at**: 2026-11-08T15:23:13Z
- **Board verified**: yes
- **Days open**: 74
- **Description format**: text
- **Description chars**: 4512
- **Description truncated**: no
- **Benefits**: Health insurance
- **Relocation offered**: no
- **Industries**: Civil & Structural Engineering, Architecture, Engineering Services

## Company

- **Id**: 1879430
- **Name**: EXP
- **Domain**: exp.com
- **Url**: <https://alion.io/company/exp-com>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Oracle

### Truth index

- **Grade**: A
- **Score**: 94
- **Open postings**: 201
- **Ghost share**: 0
- **Stale share**: 0.06
- **Repost share**: 0
- **Time to fill p50 days**: 112
- **Computed at**: 2026-11-08T05:47:12Z

## Salary

- **Min**: 140000
- **Max**: 180000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 180000

## Technologies

- **AutoCAD** — Optional: yes

## Trust

- **Level**: ok
- **Repost count**: 0
- **Days open**: 74

## Requirements

- **Experience years min**: 10
- **Manages managers**: no
- **Security clearance**: no

### Education

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

## Lifecycle

- Event: open; At: 2026-10-14T08:48:56Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 11 · green card filings: 4; Filings 12m: 11
- Country: CA; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Positions approved through LMIA in 12 months: 1; Filings 12m: 1

## Liveness

- **Score**: 36
- **Band**: fade
- **Label**: Fading
- **P open**: 1
- **P active**: 0.503
- **P room**: 0.72
- **Age days**: 74
- **Expected fill days**: 112
- **Reasons**: conf:9, evergreen, win:mid, crowd:brand
- **Computed at**: 2026-11-08T05:47:12Z

## Pay

- **Stated usd annual**: 180000
- **Is top pay**: yes

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