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Salary
$171k – $195k per year
Location
In office (Douglassville)
Seniority
Senior · 15+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 14, 2026. STV scores B on the Alion truth index.

Overview
Company
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Profile match

STV

STV is a multinational professional services firm headquartered in New York City and founded in 1912. The company provides architecture, engineering, planning, and construction management services for transportation systems, buildings, water, and other essential infrastructure. Operating through more than 60 offices across North America, the firm serves both public and private sector clients as a portfolio company of The Pritzker Organization.

STV is currently searching for a Senior Mechanical Engineer to join our Buildings Division out of our Douglassville, PA Office. This individual will be responsible for the design of facilities related mechanical systems across a variety of markets including Healthcare, Education, Municipal, Industrial, Federal and Science and Technology industries. They will be expected to coordinate and work closely with a multidiscipline design team throughout the entire life cycle of projects from planning stages through construction documents. The primary duties include the development of contract plans, specifications, and supporting engineering calculations. They should be self-motivated with an initiative to deliver high quality and technically excellent mechanical designs. Additionally, the Senior Mechanical Engineer needs to be a conceptual thinker who can engage our architectural designers at the early stages of projects to influence the conceptual design.

JOB REQUIREMENTS

· Produce contract documents including plans and specifications that are consistent with the scope of work, schedule and fee allotted to complete the work.

· Prepare drawings and specifications in compliance with best practices, project design goals, and STV’s quality standards.

· Coordinate with architects, structural engineers, electrical engineers, and plumbing engineers on requirements of the HVAC equipment and systems

· Perform construction administration for assigned projects, including responding to RFIs, reviewing equipment submittals and shop drawings, conducting field inspections and producing subsequent detailed inspection reports.

· Conduct and attend meetings with owners, contractors, external and internal design team members.

· Select mechanical HVAC equipment and produce project schedules, diagrams, control diagrams with appropriate sequences of operation and equipment specifications.

· Perform heating, cooling and ventilation load analysis.

· Familiarity with annual energy use projections and analysis produced by Trance Trace, Carrier HAP, IES or similar energy analysis program.

· Conduct studies, field surveys, and site investigations

· Prepare engineering reports.

· Prepare calculations for LEED submission for projects.

· Participate in design reviews with clients and various governing agencies.

· Attend project interviews, contribute to proposal language, and assemble man-hour estimates and associated fees.

QUALIFICATIONS:

· Bachelor of Architectural Engineering or Mechanical Engineering from an ABET-accredited University.

· Professional Engineering license is a must. Licenses in multiple States is a plus.

· In-depth knowledge of boiler and chiller system design, installation and commissioning.

· In-depth knowledge of HVAC controls and control systems is a plus.

· A minimum of 15 years in the design of engineering systems for large complex buildings.

· Excellent technical, analytical, and problem-solving skills.

· Strong verbal and written communications skills.

· Proficient with MS Office suite (Excel, Word, and PowerPoint).

· Experience using energy modeling software is preferred.

· Working knowledge of Revit and AutoCAD is preferred.

· Accreditation in LEED, Green Globe, or ASHRAE High-Performance Buildings is preferred

Compensation Range:

$170,537.75 - $194,900.29

STV offers the following benefits

  • Health insurance, including an option with a Health Savings Account
  • Dental insurance
  • Vision insurance
  • Flexible Spending Accounts (Healthcare, Dependent Care and Transit and Parking where applicable)
  • Disability insurance
  • Life Insurance and Accidental Death & Dismemberment
  • 401(k) Plan
  • Retirement Counseling
  • Employee Assistance Program
  • Paid Time Off
  • Paid Holidays
  • Back-Up Dependent Care
  • Parental Leave
  • Continuing Education Program
  • Professional Licensure and Society Memberships

STV is committed to paying all of its employees in a fair, equitable, and transparent manner. The listed pay range is STV’s good-faith salary estimate for this position. Please note that the final salary offered for this position may be outside of this published range based on many factors, including but not limited to geography, education, experience, and/or certifications.

Not sure this role is the perfect match? We encourage you to apply if STV’s work and values resonate with you. We know great candidates don’t always meet every qualification, and research shows women and people of color are less likely to apply unless they do. At STV, we believe strong talent comes from a wide range of backgrounds, and your skills and experience may align with this or another opportunity as we continue to grow.

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