Senior Mechanical Engineer

Symbiotic Services; Missouri; On-site; USD 90,000 - 120,000; Full time

Job summary

Symbiotic Services is seeking a Senior Mechanical Engineer in Chesterfield, MO to support complex industrial and commercial projects within a design-build environment. The role blends technical design with project execution and client interfacing.

Ideal candidates have a strong mechanical engineering background with HVAC/piping experience, and the ability to thrive in a fast-paced design-build setting while collaborating with PMs and field teams on budgets, schedules, and quality.

Qualifications

• Strong background in mechanical engineering (HVAC/piping preferred).
• Experience in industrial or commercial environments.
• Ability to work in a fast-paced design-build setting.
• Strong communication skills across technical and non-technical teams.
• Practical, solutions-oriented mindset.

Responsibilities

• Design and engineer HVAC, piping, and ventilation systems.
• Develop drawings, specifications, and calculations.
• Collaborate with project managers on budget and schedule alignment.
• Interface with clients to present technical solutions.
• Support installation and commissioning.
• Ensure compliance with codes and standards.
• Contribute to process improvements and standardization.

Skills

Mechanical engineering

HVAC

Piping

Communication

Job description

Chesterfield, United States | Posted on 04/09/2026

Symbiotic Services is seeking a Senior Mechanical Engineer to support complex industrial and commercial projects within a design-build environment. This role combines technical design expertise with project execution.

Core Focus

• Translate client needs into practical, cost-effective solutions
• Support execution alongside project managers and field teams
• Drive quality, efficiency, and constructability

Key Responsibilities

• Design and engineer HVAC, piping, and ventilation systems
• Develop drawings, specifications, and calculations
• Collaborate with project managers on budget and schedule alignment
• Interface with clients to present technical solutions
• Support installation and commissioning
• Ensure compliance with codes and standards
• Contribute to process improvements and standardization

Qualifications

• Strong background in mechanical engineering (HVAC/piping preferred)
• Experience in industrial or commercial environments
• Ability to work in a fast-paced design-build setting
• Strong communication skills across technical and non-technical teams
• Practical, solutions-oriented mindset

Additional Context

• Strong collaboration required between engineering and project management
• Ideal candidates design with construction in mind