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Mechanical Design Engineer III

Job in Dulles Town Center, Loudoun County, Virginia, USA
Listing for: Southland Industries
Full Time, Seasonal/Temporary position
Listed on 2026-02-06
Job specializations:
  • Engineering
    Mechanical Engineer, Environmental Engineer, Building Services Engineer, Process Engineer
Job Description & How to Apply Below
Location: Dulles Town Center

Overview

Mechanical Design Engineer III at Southland Industries. Lead, evaluate, design, and engineer projects and systems to specification on projects ranging from new design/build to rehabilitation of existing facilities and systems. Provide ongoing technical guidance and engineering issue resolution as needed.

What You’ll Do
  • Performs complex calculations, drawings and specifications related to HVAC, plumbing, fire protection or other systems
  • Performs complex calculations for a project, such as heating/cooling loads, equipment selection and sizing, friction loss calculations, hydraulic calculations, etc.
  • Develops standards, methods, processes and procedures for reviewing, evaluating and inspecting designs
  • Determines methods and solutions for complex engineering problems and identify the most efficient and acceptable solution
  • Directs the workflow of less-experienced engineers on assigned projects. Mentors and provides guidance on design and technical issues
  • Writes technical narratives in response to RFIs
Education & Experience
  • Bachelor’s degree in Engineering or related field
  • PE License preferred
  • Minimum 6 years of experience
Skills And Abilities
  • Strong knowledge of applicable systems design, such as fire suppression, HVAC, plumbing, etc., as well as general understanding of system operations
  • Ability to read mechanical and plumbing plans
  • Strong verbal and written communication skills
  • Strong computer skills, including CADD and Microsoft Office Products, including Excel
Benefits
  • 401(k) Plan with
    50% Company Match (no cap) and immediate 100% vesting
  • Annual incentive program based upon performance, profitability, and achievement
  • Medical, Dental, Vision Insurance – 100% Paid for Employee
  • Term Life, AD&D Insurance, and Voluntary Life Insurance
  • Disability Income Protection Insurance
  • Pre-tax Flexible Spending Plans (Health and Dependent Care)
  • Holidays/Vacation/Personal Time/Life Events Leave
  • Numerous training opportunities and company paid membership for professional associations and licenses
About Southland

Southland Industries is an Equal Opportunity Employer. We are committed to equal employment opportunity and a safe work environment free of discrimination and harassment. All employment decisions are based on business needs, job requirements and individual qualifications without regard to protected characteristics.

Additional Information
  • All employment offers are contingent upon successful drug tests, background checks and professional reference checks
  • We are not able to offer sponsorship of employment at this time
Job Details
  • Seniority level:
    Mid-Senior level
  • Employment type:

    Full-time
  • Job function:
    Engineering and Information Technology
  • Industries:
    Construction
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