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Key Responsibilities and Required Skills for Job Site Manager Assistant

💰 $45,000 - $65,000

ConstructionProject ManagementSite ManagementOperations

🎯 Role Definition

The Job Site Manager Assistant is a critical support role responsible for aiding the Site Manager in the comprehensive, day-to-day management of all on-site construction activities. This individual will act as a key liaison between the site manager, subcontractors, suppliers, and the project team. The primary objective is to ensure the project progresses smoothly, safely, and in accordance with plans and specifications, while also handling essential administrative and coordination tasks that underpin successful project execution. This position is ideal for an emerging leader looking to build a long-term career in construction management.


📈 Career Progression

Typical Career Path

Entry Point From:

  • Site Coordinator / Project Coordinator
  • Field Engineer or Project Engineer
  • Skilled Trades Foreman or Lead Hand

Advancement To:

  • Site Manager / Site Superintendent
  • Project Manager
  • Construction Manager

Lateral Moves:

  • Assistant Project Manager
  • Field Superintendent
  • Project Estimator

Core Responsibilities

Primary Functions

  • Assist the Site Manager in overseeing all on-site construction activities, ensuring the project is executed in strict accordance with design, budget, and schedule.
  • Actively coordinate and manage the daily and weekly schedules of subcontractors, vendors, and the direct labor force to maintain project momentum and meet critical path deadlines.
  • Conduct regular, thorough site inspections to monitor progress, ensure high-quality workmanship, and verify compliance with all construction documents, plans, and specifications.
  • Proactively identify, document, and facilitate the resolution of on-site issues, interferences, and conflicts to prevent costly delays and rework.
  • Champion and enforce strict adherence to site-specific safety plans and OSHA regulations, including conducting new-hire safety orientations and leading daily toolbox talks.
  • Assist in the comprehensive management and tracking of crucial project documentation, including RFIs (Requests for Information), submittals, and change orders, ensuring timely responses.
  • Maintain accurate, detailed, and consistent daily logs of all site activities, including weather conditions, manpower counts, equipment usage, and significant events.
  • Review and interpret complex construction blueprints, shop drawings, and technical specifications to support field operations and accurately answer subcontractor queries.
  • Serve as a key communication link, facilitating clear and effective collaboration between the core project team, architects, engineers, and all levels of subcontractors.
  • Participate in all relevant project meetings (e.g., owner, architect, subcontractor meetings), meticulously recording minutes and tracking action items to ensure complete follow-through.
  • Support the Site Manager with the development and updating of short-term, look-ahead scheduling and micro-planning to optimize on-site resource allocation.
  • Diligently monitor the delivery and inventory of on-site materials and equipment, ensuring they are properly stored, secured, and available to the workforce as needed.
  • Play a key role in the quality control and quality assurance process, including the creation, management, and close-out of punch lists for project turnover.
  • Methodically document job site progress through regular, high-quality photography and video, creating a visual record for reporting, archival, and dispute resolution purposes.
  • Help manage the overall site logistics and layout, including traffic control plans, material staging areas, temporary utilities, and site cleanliness.

Secondary Functions

  • Prepare and distribute regular progress reports, daily field reports, and summary updates for the Site Manager and extended project leadership team.
  • Assist in the procurement process for necessary site materials, tools, and rental equipment, ensuring cost-effectiveness and timely delivery.
  • Manage the initial processing of subcontractor and vendor invoices, verifying work completed against billings before forwarding for approval.
  • Coordinate secure site access for visitors, municipal inspectors, and other key stakeholders, ensuring all sign-in and safety protocols are followed.
  • Support ad-hoc data requests and perform exploratory data analysis on project metrics such as labor productivity, safety incidents, and material usage.
  • Contribute to the organization's data strategy and continuous improvement by providing feedback on field-level processes, software, and tools.
  • Collaborate with business units and the project management office to translate field data and needs into actionable engineering and system requirements.
  • Participate in sprint planning and agile-style construction ceremonies, contributing valuable insights from the perspective of daily field operations.

Required Skills & Competencies

Hard Skills (Technical)

  • High proficiency in using construction management software (e.g., Procore, Plangrid, Autodesk Build).
  • Strong ability to read, interpret, and analyze architectural/engineering blueprints, drawings, and technical specifications.
  • Experience with or strong aptitude for project scheduling software, such as Microsoft Project or Primavera P6.
  • Comprehensive knowledge of local building codes, industry standards, and the municipal inspection process.
  • OSHA 10 or OSHA 30 certification is highly desirable.
  • Competency in document control and PDF markup/review software, particularly Bluebeam Revu.
  • Foundational understanding of the RFI, Submittal, and Change Order lifecycle.
  • Proficiency in the Microsoft Office Suite (Word, Excel, Outlook).

Soft Skills

  • Exceptional verbal and written communication skills for clear and professional interaction with diverse teams, clients, and stakeholders.
  • Advanced problem-solving abilities coupled with a proactive, solution-oriented mindset to address challenges head-on.
  • Superior organizational and time-management skills, with a proven ability to prioritize a multitude of tasks in a fast-paced, high-pressure environment.
  • An unwavering level of attention to detail and a commitment to accuracy in all tasks, from document review to quality control.
  • Demonstrated ability to work effectively both independently with minimal supervision and as a vital part of a collaborative team.
  • Natural leadership potential and the confidence to direct others and enforce standards when delegated authority by the Site Manager.

Education & Experience

Educational Background

Minimum Education:

  • High School Diploma or equivalent. An Associate's Degree or trade school certification in a related field is a strong asset.

Preferred Education:

  • Bachelor's Degree from an accredited university or college.

Relevant Fields of Study:

  • Construction Management
  • Civil Engineering
  • Architecture
  • Building Science

Experience Requirements

Typical Experience Range: 1 - 4 years of experience in a construction-related role.

Preferred: Direct, hands-on experience on commercial, industrial, or multi-family residential construction sites. Experience as a field engineer, project coordinator, or skilled trade lead is highly valued.