Mechanical Designer III

$99k to $118k

Suite 110, Dulles, Virginia, United StatesFull-timePosted Oct 16, 2026

Job description

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 As a 100% employee-owned company, we offer a comprehensive benefits package for you and your family: 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&D 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 innovation. If you want to join a fast-paced environment where you’re engaged, challenged, and valued, apply now to join our dynamic team. To learn more about careers at Southland, explore our career opportunities , follow us on social media , and check out our website . Southland Industries and all its subsidiaries are an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. We are committed to the principle of equal employment opportunity for all employees and to providing our employees with a safe work environment free of discrimination and harassment. All employment decisions at Southland Industries are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, gender, national origin, ancestry, age, disability, medical condition, marital status, family care or medical leave status, veteran status, or any other status protected by the laws or regulations in the locations where we operate. Southland Industries will not tolerate discrimination or harassment based on any of these characteristics. Pay: Final pay is determined by the education, experience, knowledge, skills, and abilities of the applicant, internal equity, and alignment with market data. For Virginia this ranges from $99,427- $117,504 plus annual incentive, benefits, and retirement program as outlined above. Contingent Employment: All employment offers are contingent upon successful drug tests, background checks, and professional reference checks. Roles that include driving as an essential job duty will be required to have a successful Motor Vehicle Record check (MVR). We are not able to offer sponsorship of employment at this time. External Agency Announcement : Its Southland Industries' policy not to accept candidate submissions from recruiting agencies without an active and authorized work order. Candidate ownership can only be established after a bona fide work order is issued by a member of the Southland Industries Talent Acquisition team and the candidate is appropriately submitted through our Applicant Tracking System (ATS).

Description copied from Southland Industries's careers page. Read the full posting before you apply.

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