Senior Mechanical Engineer – Mission-Critical Facilities

Via Logic LLC; Reston (VA); On-site; USD 154,000 - 278,000; Full time

Job summary

Leidos is seeking a Principal Mechanical Engineer to support national security missions in Reston, VA. The role focuses on assessment, reverse engineering, and characterization of complex facilities located in denied-access environments.

The ideal candidate combines advanced MEP expertise, modeling, and strong analytical skills to deliver technical assessments, 3D models, and actionable reports for DoD stakeholders, while leading interdisciplinary teams in a fast-paced government setting.

Qualifications

• Active TS/SCI with polygraph and US citizenship required.
• Master’s degree with 15+ years of relevant experience or Doctorate with 13+ years.
• Experience in facility analysis, infrastructure vulnerability assessments, and mechanical engineering in DoD or IC environments.
• MEP systems design, integration, and operation within complex facilities.

Responsibilities

• Reverse engineering and characterize facility layouts and systems in denied-access environments.
• Conduct vulnerability assessments and identify single points of failure.
• Develop high-fidelity 3D models and simulations of facility operations.
• Analyze mechanical, electrical, and plumbing integration and functionality.
• Produce technical reports, CAD/BIM products, and analyses for DoD stakeholders.
• Lead or contribute to R&D initiatives and serve as a technical SME.

Skills

TS/SCI clearance

3D modeling

MEP systems knowledge

Vulnerability assessment

Technical reporting

Education

Master’s degree +15+ years

Doctorate +13+ years

Tools

Autodesk Revit

VENTSIM

ETAP

CAD/BIM tools

Job description

Leidos is seeking a Principal Mechanical Engineer to support national security missions in Reston, VA. The role focuses on assessment, reverse engineering, and characterization of complex facilities located in denied-access environments.

The ideal candidate combines advanced MEP expertise, modeling, and strong analytical skills to deliver technical assessments, 3D models, and actionable reports for DoD stakeholders, while leading interdisciplinary teams in a fast-paced government setting.