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General Contractor Assistant Jobs in Missouri (NOW HIRING)

McGrath & Associates, Inc

Construction Laborer

Saint Louis, MO · On-site

$16 - $20.50/hr

... contractor This position requires membership in the St. Louis Laborers Union (McGrath will assist with sponsorship if needed). What you'll actually be doing: * Performing general labor tasks on ...

PremiStar

Assistant Project Manager

Kansas City, MO · On-site

The Assistant Project Manager will provide administrative support to project management. They will ... general contractor. o Bid bonds and Performance, Labor & Material Bonds. o Process and execute ...

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How much do general contractor assistant jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for general contractor assistant in Missouri is $15.43, according to ZipRecruiter salary data. Most workers in this role earn between $12.98 and $18.21 per hour, depending on experience, location, and employer.

What is a general contractor assistant?

General Contractor Assistants support general contractors in managing construction projects by performing administrative, organizational, and hands-on tasks. Their duties often include coordinating schedules, communicating with subcontractors and suppliers, maintaining project documentation, and ensuring that safety regulations are followed on-site. They help keep projects running smoothly by assisting with project planning, budget tracking, and addressing any logistical needs that arise. This role is vital for efficient project execution and helps ensure construction projects are completed on time and within budget.

What does a general contractor assistant do?

As a general contractor assistant, you assist construction teams on a building site and in an office. Your responsibilities include tasks like preparing and securing equipment, maintaining clean and safe work areas, and collaborating with teams of workers to complete each project. You use power and hand tools, direct subcontractors and temporary staff on daily duties, inventory materials, and collaborate with team members to complete tasks. Duties also include attending meetings and taking notes as necessary, communicating with teams of architects, engineers, subcontractors, and other team members, and following guidelines to ensure each structure is safe and meets code requirements.

What are the key skills and qualifications needed to thrive as a general contractor assistant, and why are they important?

To thrive as a General Contractor Assistant, you need a basic understanding of construction processes, project documentation, and safety protocols, often supported by a high school diploma or relevant trade certifications. Familiarity with project management software, scheduling tools, and construction site equipment is typically required. Strong organizational skills, attention to detail, and effective communication make someone stand out in this position. These skills are crucial for supporting project efficiency, ensuring safety compliance, and facilitating smooth coordination between teams and subcontractors.

What are some typical challenges faced by a general contractor assistant, and how can they be managed?

General Contractor Assistants often face challenges such as juggling multiple tasks on tight deadlines, coordinating with various subcontractors, and adapting quickly to changes on the job site. Effective time management, clear communication, and a proactive approach to problem-solving are essential for success in this role. Building strong relationships with team members and staying organized can help manage these challenges and contribute to smooth project execution.

What is the difference between General Contractor Assistant vs Construction Coordinator?

AspectGeneral Contractor AssistantConstruction Coordinator
CredentialsHigh school diploma, some experience in constructionHigh school diploma, often some project management knowledge
Work EnvironmentConstruction sites, officesConstruction sites, project offices
Employer & Industry UsageConstruction companies, general contractorsConstruction firms, project management teams
Common Search & ComparisonYesYes

The main difference is that a General Contractor Assistant supports the general contractor with daily tasks, scheduling, and coordination, often focusing on site assistance. A Construction Coordinator typically handles project planning, communication, and documentation, often with more emphasis on administrative and organizational duties. Both roles are essential in construction projects but differ in scope and responsibilities.

More about General Contractor Assistant jobs

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For General Contractor Assistant jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching General Contractor Assistant jobs in Missouri look for?

The top searched job categories for General Contractor Assistant jobs in Missouri are:

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Cities in Missouri with the most General Contractor Assistant job openings:

General Contractor Assistant jobs near you
Infographic showing various General Contractor Assistant job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $32,096 per year, or $15.4 per hour.

System Design Engineer | FSI

Mechanical Solutions

Saint Louis, MO • On-site

$94K - $129K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 19 days ago

Job description





System Design Engineer



Fire Solutions, Inc. (FSI)


Full Time


St. Louis, MO





About Us:

Fire Solutions, established in 2015, is dedicated to delivering high-quality and dependable fire suppression systems to its clients. With a collective experience of over 115 years, our team ensures that every aspect of our services, from materials and design to installation, meets the highest standards. Our commitment is to recruit top talent, ensuring we offer superior service to our clients. As a 100% Union MBE company, we specialize in design/ build, installation, project management, and service. In 2019, the St. Louis Business Journal recognized Fire Solutions as one of the "50 Fastest Growing Companies." Our sustained growth is a testament to our returning clients and committed team.


The Role:

As a Fire Suppression System Designer you will design fire sprinkler systems for commercial, industrial, and residential buildings. You will design and create the finished representation for the sprinkler systems using drawing and drafting skills and tools. The drawings produced will be used as a guide by every other link in the chain of construction, both on-site and in the office. The designer will have responsibility for the initial planning of a project including scheduling of time, creating material stock listing, analyzing changes, and solving problems. Close coordination with the project team will be required throughout the life of the project.



Responsibilities:


  • Review construction contract documents and coordinate with sub-contractors and General Contractor/owner to gather the required information to design the project's sprinkler system
  • Through use of analytical thinking and problem solving, determine construction feasibility and systems possibilities
  • Perform job site surveys
  • Evaluate project specification and coordinate system designs with architects and contractors
  • Create detailed drawings through extensive use of AutoCAD, Revit, AutoSPRINK, or HydraCAD type programs
  • Create stock list for all material required throughout the project working closely with suppliers and fabricators
  • Perform hydraulic calculations
  • Develop positive and ongoing relationships with customers to ensure company is meeting customers' expectations
  • Coordinate with other departments within office to ensure proper handover of job information
  • Continually monitor progress of projects; review reports to ensure compliance with schedule and budgetary guidelines
  • Assist/lead field crews with design related items during installation phase of the project
  • Report to owner and general contractor about progress and any necessary modifications required


Qualifications:


  • Construction Management degree, mechanical engineering degree or applicable other degree from a technical school or college
  • NICET certification required. Either "In Training", or NICET Level I, II, III, or IV certified.
  • Demonstrated ability with AutoCAD, Revit, AutoSPRINK, HydraCAD, or other specialized fire sprinkler layout software
  • Three years of experience in commercial, industrial, and residential fire sprinkler design is required
  • Detail-oriented and skilled in free-hand and mechanical lettering and drawings
  • Willing to coordinate and work well with others
  • Possess excellent communication skills-written and verbal
  • Willing to pass a post-offer drug test, background and reference check


Why People Choose Fire Solutions

At Fire Solutions, Inc., we put people first. Our mission is to create a safe, inclusive, and empowering work environment where every team member can grow, connect, and thrive. We value diversity and ensure that everyone can see themselves represented at every level of our company. Beyond our projects, we strive to make a positive impact in the communities where we work.

Ignite Your Career With Fire Solutions


Career Growth

  • Opportunities for advancement and professional development
  • A culture that supports learning and leadership

Comprehensive Benefits

  • 100% Employer-Paid Health Plans for employees
  • Employer-Provided Dental and Vision Plans
  • Employer-Sponsored Health Reimbursement Arrangement (HRA)
  • 401(k) Retirement Plan with Company Match
  • Employer-Provided Basic Life Insurance (up to $200,000)
  • Employer-Provided Long-Term Disability (LTD) Insurance
  • Additional Benefits available for employees and their families

Headquarters Perks

  • In-office gym
  • Personal training sessions
  • Yoga classes
  • Massage therapist
  • Game room

Company Culture

  • Fun, energetic, and people-centered
  • Strong focus on work-life balance and safety
  • Team activities and employee engagement
  • Support for both physical and mental wellness

Our Impact and Recognition

  • One of the fastest-growing contractors in St. Louis
  • One of the fastest-growing contractors in St. Louis
  • Part of the largest MBE construction firm in the region
  • Recognized for high-profile, complex, and award-winning projects
  • Ranked among the top data center and healthcare construction firms
  • Nationwide job opportunities with exciting, mission-critical projects

Join a team where safety, innovation, and people come first. Be part of our growth story and take your career to the next level. All applicants are confidential-no recruiter needed.



Fire Solutions, Inc. is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer and it is our policy to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category.Fire Solutions, Inc. is a background screening, drug-free workplace. Both of these requirements will be partial determination of final result in hiring.Fire Solutions, Inc. does not accept unsolicited resumes from search firms or agencies. Any resume submitted to any employee ofFire Solutions, Inc. without a prior written search agreement will be considered unsolicited and the property of Fire Solutions, Inc.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

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