Junior Mechanical Engineer: Facility Analysis & 3D Modeling

Via Logic LLC; Reston (VA); On-site; USD 70,000 - 126,000; Full time

Job summary

Leidos in Reston, VA is seeking a Junior Mechanical Engineer to support national security missions by analyzing facility designs, MEP systems, and complex infrastructure. You will apply mechanical engineering principles to characterize layouts, assess performance, and identify vulnerabilities in denied-access environments.

You will collaborate with engineers, analysts, and government personnel, develop 3D models and simulations, produce technical reports, CAD/BIM outputs, and contribute to

Qualifications

• Candidates must hold an in-scope and active TS/SCI Polygraph clearance with ability to maintain it while in position.
• Bachelor's degree with 2+ years of relevant experience, or a Master's with less than 2 years of relevant experience.
• Experience in facility analysis, infrastructure vulnerability assessments, and mechanical engineering within DoD or Intelligence Community environments.
• MEP systems knowledge: design, integration, and operation in complex facilities including containment and backup power.
• Ability to identify HVAC equipment, estimate system size and capacity, and assess operational capabilities from visual analysis.
• Experience with 3D modeling, engineering analysis, and physical simulation methodologies.
• Familiarity with interpreting engineering drawings, layouts, blueprints, and intelligence-derived data.
• Ability to communicate assumptions and information gaps clearly when information is incomplete.

Responsibilities

• Reverse engineer and characterize facility layouts, building architecture, and workflows in denied-access environments to determine purpose and capacity.
• Evaluate designs to identify vulnerabilities, bottlenecks, and mission impacts.
• Develop high-fidelity 3D models and run engineering simulations of facility operations and constraints.
• Assess supporting facility systems with emphasis on MEP integration and functionality.
• Translate field data and assessments into technical reports, CAD/BIM outputs, and analyses for DoD stakeholders.
• Support R&D initiatives to advance methodologies, modeling capabilities, and mission solutions.

Skills

Engineering principles

3D modeling

Data analysis

Technical communication

Problem solving

Education

Bachelor's degree (2+ years)

Master's degree (<2 years)

Tools

Autodesk Revit

VENTSIM

ETAP

BIM (Building Information Modeling)

Job description

Leidos in Reston, VA is seeking a Junior Mechanical Engineer to support national security missions by analyzing facility designs, MEP systems, and complex infrastructure. You will apply mechanical engineering principles to characterize layouts, assess performance, and identify vulnerabilities in denied-access environments.

You will collaborate with engineers, analysts, and government personnel, develop 3D models and simulations, produce technical reports, CAD/BIM outputs, and contribute to