1

Temporary Weekend Engineer Jobs (NOW HIRING)

Design temporary systems from Polygon's equipment fleet * Develop project layouts, equipment ... Willingness to travel on short notice, including occasional nights and weekends for emergency ...

Design temporary systems from Polygon's equipment fleet * Develop project layouts, equipment ... Willingness to travel on short notice, including occasional nights and weekends for emergency ...

The Social Programming Temp will be responsible for populating B/R's social feeds with the best and ... Cover sports events as they're happening (weekends/night) Qualifications & Experience... * 0-2 ...

Senior Manufacturing Engineer

Devens, MA · On-site

$110K - $185K/yr

Weekend 2nd Shift: Friday-Sunday, 6:00 PM - 6:00 AM Job Summary: The Senior Manufacturing Engineer ... We offer excellent opportunities for contract, temporary, temp-to-hire, and direct assignments. We ...

OH · On-site

... Temporary Retaining Wall Designs, Anchor Designs, Design-Build Bridge and Wall designs, and CADD ... This position may also entail project site work at night and on weekends on an as needed basis.

Travel to customer sites as required and work varying schedules, including overtime, weekends ... Ability to read and interpret engineering drawings, isometrics, welding symbols, and technical ...

Showing results 21-40

Temporary Weekend Engineer information

What are the most commonly searched types of Weekend Engineer jobs?

The most popular types of Weekend Engineer jobs are:

What are popular job titles related to Temporary Weekend Engineer jobs?

For Temporary Weekend Engineer jobs, the most frequently searched job titles are:

Infographic showing various Temporary Weekend Engineer job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution.

Mechanical Engineer

Orlando, FL • On-site

Polygon US
5 - 10K employees

$95K/yr

Full-time

Posted 19 days ago


Job description

Role Summary:

$90-95k annually

Must be located in: Orlando, FL; Dallas, TX; or Portland, OR. 

Under the direction of the Engineering & Estimating Manager -National, the Mechanical Engineer is responsible for supporting the Engineering and Estimating team across the full project lifecycle, including load calculations, system design, bidding support, client presentations, field deployment, and post-project documentation. This is an engineering-track role with exposure to a wide variety of industries and applications. The day-to-day work is office-based, with travel for site visits, client meetings, and emergency response.

Essential Job Functions:

  • Perform load calculations - cooling, heating, moisture, and ventilation - for temporary climate solutions across construction sites, industrial and manufacturing facilities, food production plants, automotive and battery plants, aerospace facilities, data centers, commercial buildings, and labs
  • Perform psychrometric chart analyses and study weather to inform design decisions
  • Design temporary systems from Polygon's equipment fleet
  • Develop project layouts, equipment schedules, and sequences of operation tailored to each client's environment and process needs
  • Support the estimating process: take-offs, equipment selection, scope development, and pricing inputs for bids and proposals
  • Prepare and present engineered solutions to clients, general contractors, and internal sales teams
  • Translate technical decisions into clear, client-friendly language
  • Serve as the engineering resource for the field technician team during equipment deployment, startup, commissioning, and troubleshooting
  • Travel to project sites on short notice when needed - for emergency response, project kickoffs, complex deployments, or field issues that require engineering oversight
  • Translate field observations into improvements to design and project execution
  • Develop and maintain Standard Operating Procedures (SOPs) for specific systems, applications, and key clients
  • Create technical documentation, including system narratives, commissioning checklists, monitoring plans, and project closeout packages
  • Build out engineering templates and reference materials to improve consistency and efficiency across the team

Job Qualifications:

  • Bachelor's degree in Mechanical Engineering or a related field
  • Solid understanding of thermodynamics, heat transfer, and HVAC fundamentals
  • Comfortable with psychrometric calculations
  • Strong written and verbal communication skills, with the ability to explain technical concepts to engineers, salespeople, technicians, and clients
  • MS Office proficiency across the board, with Excel as a particular strength
  • Demonstrated CAD experience
  • Willingness to travel on short notice, including occasional nights and weekends for emergency response
  • Valid US driver's license and the ability to work on construction and industrial job sites

Preferred Training Requirements and Competencies:

  • EIT certification
  • 1-3 years of experience in HVAC, mechanical contracting, temporary climate solutions, dehumidification, or a related field
  • Exposure to construction sites, manufacturing facilities, food production, automotive or battery plants, aerospace, data centers, or controlled environments such as labs, cleanrooms, and pharmaceutical facilities
  • Familiarity with building codes, OSHA site safety, and standard PPE requirements
  • Experience supporting estimating, sales, or field service teams

Demonstration of the Polygon Values:

  • Integrity
  • Excellence
  • Empathy