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Aggregate Inspector Materials Technician



$50,252.80 - $76,336.00 Annually



Cedar Rapids - 52404 - Linn County, IA

Job Type



Job Number





645 Iowa Department of Transportation

Opening Date



Closing Date


4/21/2024 11:59 PM Central

LinkedIn Tag



Point of Contact


Danielle Alvarez,

Job Description



Iowa Department of Transportation’s Mission is Making Lives Better Through Transportation. To accomplish our Mission, the person selected for this position will demonstrate actions and behaviors guided by the Iowa Department of Transportation’s five CORE values: Safety First, People Matter, Customer Focused, Servant Leadership, and Integrity Without Exception.
Desired abilities:

  • Works collaboratively with diverse group of people
  • Maintains an attitude of determination and dedication
  • Displays high standards of ethical conduct
  • Treats customers courteously and be responsive to their needs
  • Commits to providing a high-quality product and service
  • Addresses and listens to others in respectful manner
  • Motivates others towards completing a common goal

Aggregate Inspector Materials Technician 4 Opportunity:
This position serves as Aggregate Inspector Materials Technician in the Iowa Department of Transportation's District 6 Materials Office who is responsible for supporting the District 6 Materials Engineer with materials-related oversight of Iowa DOT highway and bridge projects within a 12-county area in east central Iowa. The District 6 Materials Office is responsible for leading the inspection, sampling, and testing of project materials, running the district materials testing laboratory, monitoring production from highway material sources, overseeing material documentation-related portions of project audits, and providing technical consultation.  
This position is located out of District 6’s Cedar Rapids Materials Lab and primarily supports aggregate production operations in Benton, Linn, Iowa, and Johnson Counties.

Shift: 7:45 AM to 4:30 PM, Monday through Friday hours may vary
Duties include:

  • Performing aggregate inspection duties in assigned area.   Performing monitoring of aggregate production at quarries, mines, and sand pits.  Sampling of aggregates at production plants and performing gradation testing.  Procuring quality test samples, prepare paperwork, and submit for testing.   Perform gradation testing of samples received from the quarries/mines/sand pits.
  • Monitoring of Aggregate Producers Quality Control Programs.   Performing and maintaining Aggregate Laboratory Qualification of aggregate producer laboratories in accordance with the Iowa DOT Laboratory Qualification Program per Materials IM 208.
  • Assisting the District Lab Chief in the performance of all testing at the District Lab for hot mix asphalt. Receiving, splitting, and performing tests on aggregate samples received from construction projects (HMA and PCC paving).
  • Performing materials audits on completed projects in District 6 jurisdiction for state, county, city, and institutional highway construction projects
  • Assisting with miscellaneous duties: special investigations activities, sampling and testing, quality control and production of manufactured materials, calibration and maintenance of testing equipment, and other duties as assigned.

What we offer YOU:
 - Competitive pay and benefits package including health, dental, flexible spending, and life insurance
 - Insurance benefits start first of the month following 30 days of employment. 2024 health and dental insurance premiums can be found here.
 - Opportunities for professional growth and development.
 - Paid time off effective immediately - biweekly vacation, separate sick leave, accruals rollover on a yearly basis, and 9 paid holidays per year.
 - Iowa Public Employee Retirement System (IPERS) Retirement Package with employer match
 - Optional 401A plan with employer contributions.
 - Employee Discount Programs from variety of vendors (vision, cellular, fitness, recreation, season passes, travel, counseling; legal, financial).
We encourage you to view more about the State of Iowa Employee benefits and costs at the State of Iowa Employee Benefits Website!
You have the freedom to flourish in Iowa – Apply today!
If you require a reasonable accommodation in completing any screening, interviewing, pre-employment testing, or otherwise participating in the selection process, please direct your request to the Affirmative Action & Equal Employment Opportunity (AA/EEO) Officer at:

Reasonable accommodation such as: interpreter, translator, written materials, modified equipment / devices, ADA access, etc. This does not include scheduling needs.



Minimum Qualification Requirements




Applicants must meet at least one of the following minimum requirements to qualify for positions in this job classification:

1) Five years of full-time work experience in the sampling and testing of materials, and/or inspection of:

a. Highway construction and maintenance projects; and/or

b. Bridge construction and maintenance projects.

2) All of the following (a and b):

a. Three years of full-time work experience (as described in number one); and

b. A total of two years of education and/or full-time experience (as described in part a), where 30 thirty semester hours or equivalent of college, university or technical school course work with an emphasis in engineering, metallurgy, geology, or chemistry equals one year of full-time experience.

3) All of the following (a and b):

a. Three years of full-time work experience (as described in number one); and

b. An Associate of Applied Science degree, a certificate, or equivalent in Civil Engineering Technology from an accredited community college.

4) Graduation from an accredited four-year college or university with a bachelor’s degree in chemical, civil, construction, environmental, materials, mechanics, structural or transportation engineering or in engineering management and one-year experience as described in number one above.

5) Current, continuous experience in the state executive branch that includes one year of full-time work as a Materials Technician 3 or Highway Technician Senior.

For additional information, please click on this link to view the job description. (Download PDF reader)


Additional Qualification Requirements




  • Designated positions in this class require possession of a valid Commercial Learner’s Permit upon hire. Within a timeframe determined by the appointing authority, a valid Class A Commercial Driver’s License with the required endorsements and applicable restrictions must be obtained and subsequently maintained to continue employment.
  • If a CDL is not required, designated positions are required to have and maintain a minimum of a valid Class C Non-Commercial Operator’s License.
  • In conjunction with Title 49 of the Code of Federal Regulations (parts 40 and 382), designated positions in this job class require a pre-employment drug screen and will require ongoing participation in the employer’s random drug and alcohol testing program and will be subject to the regulations regarding the Federal drug and alcohol program.
  • Prior to starting employment, all persons are required to have a post offer pre-employment physical verifying the physical ability to perform the duties described.
  • Positions require certification for testing materials and operating specialized equipment as required by the Iowa Department of Transportation’s Technical Training and Certification Program for Highway Materials and Construction; and/or other certifications as required.
  • Employees must be able to travel and may be required to stay away from home overnight during assignments.
  • Employees in designated positions must be able to work up to 16 consecutive hours