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Mechanical Designer III

Job in Dulles Town Center, Loudoun County, Virginia, USA
Listing for: Southland Industries
Full Time position
Listed on 2026-10-16
Job specializations:
  • Engineering
    Engineering Design & Technologists, Mechanical Engineer, Building Services Engineer, CAD/ AutoCAD/ Mechanical Design
Salary/Wage Range or Industry Benchmark: 99000 - 118000 USD Yearly USD 99000.00 118000.00 YEAR
Job Description & How to Apply Below
Location: Dulles Town Center

Position Summary

Designer roles encompass the design and implementation of building systems and structures, including specialties such as fire protection, plumbing, HVAC and other mechanical disciplines.

Job Description
  • Prepares complex calculations, drawings, and technical specifications for large-scale design
  • projects.
  • Completes calculations, drawings, and specifications related to the assigned disciplines for large projects, ensuring alignment with project standards and requirements.
  • Oversees the entire lifecycle of large projects, including layout development, permit procurement, field surveys, coordination, creation of fabrication lists, responding to field-generated questions, RFI creation, as-builts, and other required documentation and submissions.
  • Supports change order processes by providing accurate and timely project information.
  • Provides technical guidance to less experienced team members, responds to team and field inquiries, and ensures quality, documentation accuracy, and schedule compliance.
  • Monitors project design budgets and collaborates effectively across teams to support successful project execution.
Position Summary

Designer roles encompass the design and implementation of building systems and structures, including specialties such as fire protection, plumbing, HVAC and other mechanical disciplines.

Position Details
  • Prepares complex calculations, drawings, and technical specifications for large-scale design
  • projects.
  • Completes calculations, drawings, and specifications related to the assigned disciplines for large projects, ensuring alignment with project standards and requirements.
  • Oversees the entire lifecycle of large projects, including layout development, permit procurement, field surveys, coordination, creation of fabrication lists, responding to field-generated questions, RFI creation, as-builts, and other required documentation and submissions.
  • Supports change order processes by providing accurate and timely project information.
  • Provides technical guidance to less experienced team members, responds to team and field inquiries, and ensures quality, documentation accuracy, and schedule compliance.
  • Monitors project design budgets and collaborates effectively across teams to support successful project execution.
Qualifications
  • High School diploma or GED required
  • 5+ years of experience in construction engineering design
  • Two-year certificate from college or technical school in related course work or applicable field experience preferred
  • NICET Level II Certification for Fire Protection
  • Knowledge of zone layout and design principles, including preparation of drawings, calculations, and material submittals.
  • Good communication skills for providing project status and issues to managers and stakeholders
  • Strong attention to detail, demonstrated through quality submittals, fabrication drawings, and surveys.
  • Proficient knowledge of design software platforms including Auto Sprink, Auto Cad, NAVIS and REVIT
Benefits
  • 401(k) plan with 50% company match (no cap) and immediate 100% vesting
  • Medical, dental, and vision insurance (100% paid for employee)
  • Annual bonus program based upon performance, achievement, and company profitability
  • Term life, AD&DD insurance, and voluntary life insurance
  • Disability income protection insurance
  • Pre-tax flexible spending plans (health and dependent care)
  • Paid parental leave
  • Paid holidays, vacation, and personal time
  • Training/professional development opportunities and company-paid memberships for professional associations and licenses
  • Wellness benefits
About Southland Industries

As one of the nation’s largest MEP companies, Southland Industries is built on the foundation of great people. Since 1949, we have put our people first, enabling growth, professional achievement, and…

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