How To Become An Assistant Site Manager: What It Is and Career Path

What is an assistant site manager and how to become one

Updated January 8, 2025

4 min read

In a construction site, the assistant site manager is the one reporting to site managers and conducting the majority of administrative tasks. They use their organization, people management, and communication skills to ensure that the project remains on schedule and all operations are done under health and safety rules.

Specifically, an assistant site manager is responsible for monitoring the inventory of supplies, communicating instructions to workers, negotiating with contractors or subcontractors, and reporting any relevant issues to the site managers. Some assistant site managers are also responsible for preparing work schedules and collaborating with other stakeholders of the construction project.

The typical minimum requirements for this position include a bachelor's degree in construction management, civil engineering, or similar, as well as two to five years of experience in construction project management. An assistant site manager must also exhibit proficiency in recordkeeping, digital project management systems, and negotiation to succeed in this role.

Assistant site managers earn an average annual salary of $30,000 per year. In terms of job progression, they usually move up to the position of site manager with enough experience in the field.

ScoreAssistant Site ManagerUS Average

Salary

7.9

Avg. Salary $112,509

Avg. Salary $59,228

Stability level

8.4

Growth rate 3%

Growth rate 0.3%

Diversity

4.3

Race

American Indian and Alaska Native 0.59%

Asian 5.25%

Black or African American 8.53%

Hispanic or Latino 17.58%

Unknown 4.12%

White 63.92%

Gender

female 39.18%

male 60.82%

Age - 49

Race

American Indian and Alaska Native 3.00%

Asian 7.00%

Black or African American 14.00%

Hispanic or Latino 19.00%

White 57.00%

Gender

female 47.00%

male 53.00%

Age - 49

Stress level

8.4

Stress level is high

7.1 - high

Complexity level

8.6

Complexity level is advanced

7 - challenging

Work life balance

4.8

Work life balance is fair

6.4 - fair

Key steps to become an assistant site manager

Explore assistant site manager education requirements

Most common assistant site manager degrees

Bachelor's

52.4 %

Associate

21.0 %

High School Diploma

12.4 %

Start to develop specific assistant site manager skills

Skills	Percentages
Customer Service	31.91%
Leadership	8.67%
Customer Complaints	8.58%
Payroll	6.47%
Safety Policies	5.35%

Complete relevant assistant site manager training and internships

Accountants spend an average of 3-6 months on post-employment, on-the-job training. New assistant site managers learn the skills and techniques required for their job and employer during this time. The chart below shows how long it takes to gain competency as an assistant site manager based on U.S. Bureau of Labor Statistics data and data from real assistant site manager resumes.

Research assistant site manager duties and responsibilities

Manage all company quality functions, including serving as management representative with regulatory agencies (FDA, EU) and clients.
Advance knowledge of inventory control programs and payroll management
Compile, track and monitor KPI's.
Supervise payroll and electronic academic files.

Prepare your assistant site manager resume

When your background is strong enough, you can start writing your assistant site manager resume.

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