Overview William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with ... testing. Accessibility: If you need accommodation as part of the employment process, contact ...
Overview William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with ... testing. Accessibility: If you need accommodation as part of the employment process, contact ...
Junior Estimator
Rockford, IL · On-site
Overview William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with ... testing. Accessibility: If you need accommodation as part of the employment process, contact ...
Junior Estimator
Rockford, IL · On-site
Overview William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with ... testing. Accessibility: If you need accommodation as part of the employment process, contact ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-week minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-week minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior Quantitative Risk Analyst
Chicago, IL · On-site
$90K/yr
What you'll do as a Junior Quantitative Risk Analyst at Akuna: We are looking for a motivated and ... the setting, testing and monitoring of internal, exchange and third-party trading system and ...
Junior Quantitative Risk Analyst
Chicago, IL · On-site
$90K/yr
What you'll do as a Junior Quantitative Risk Analyst at Akuna: We are looking for a motivated and ... the setting, testing and monitoring of internal, exchange and third-party trading system and ...
Junior Quantitative Risk Analyst
Chicago, IL · On-site
$90K/yr
What you'll do as a Junior Quantitative Risk Analyst at Akuna: We are looking for a motivated and ... the setting, testing and monitoring of internal, exchange and third-party trading system and ...
Junior Quantitative Risk Analyst
Chicago, IL · On-site
$90K/yr
What you'll do as a Junior Quantitative Risk Analyst at Akuna: We are looking for a motivated and ... the setting, testing and monitoring of internal, exchange and third-party trading system and ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Jr. Application Engineer plays an important role in maintaining the stability, usability, and ... testing, and implementation activities. * Support technology initiatives and projects that enhance ...
The Associate AV Tech / Junior Programmer's primary role is to define, develop, test, analyze, and ... This includes writing, coding, testing, and analyzing software programs and applications. The ...
The Associate AV Tech / Junior Programmer's primary role is to define, develop, test, analyze, and ... This includes writing, coding, testing, and analyzing software programs and applications. The ...
The Associate AV Tech / Junior Programmer's primary role is to define, develop, test, analyze, and ... This includes writing, coding, testing, and analyzing software programs and applications. The ...
The Associate AV Tech / Junior Programmer's primary role is to define, develop, test, analyze, and ... This includes writing, coding, testing, and analyzing software programs and applications. The ...
The Associate AV Tech / Junior Programmer's primary role is to define, develop, test, analyze, and ... This includes writing, coding, testing, and analyzing software programs and applications. The ...
The Associate AV Tech / Junior Programmer's primary role is to define, develop, test, analyze, and ... This includes writing, coding, testing, and analyzing software programs and applications. The ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Elk Grove Village, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Elk Grove Village, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Elk Grove Village, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Elk Grove Village, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Elk Grove Village, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Elk Grove Village, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Junior K9 Handler
Chicago, IL · On-site
$21 - $24/hr
The Junior Handler will be required to complete a 4-8-weeks minimum team training course and ... Must be able to pass the applicable Contract Testing and Certifications for the program within four ...
Senior Testing Analyst
Chicago, IL · On-site
Testing may include custom in house development as well as vendor software products/upgrades ... junior team members. • Provides ongoing communication with leadership and training staff to ...
Senior Testing Analyst
Chicago, IL · On-site
Testing may include custom in house development as well as vendor software products/upgrades ... junior team members. • Provides ongoing communication with leadership and training staff to ...
Junior Application Security Engineer
North Chicago, IL · On-site
$56.50 - $75.50/hr
Implementing and maintaining Application Security Testing (AST) tools (SAST, DAST, IAST, SCA, etc ... Experience coaching and supporting the development of junior engineers Preferred: * Experience ...
Junior Application Security Engineer
North Chicago, IL · On-site
$56.50 - $75.50/hr
Implementing and maintaining Application Security Testing (AST) tools (SAST, DAST, IAST, SCA, etc ... Experience coaching and supporting the development of junior engineers Preferred: * Experience ...
Junior Testing information
What is a junior testing role?
What are the key skills and qualifications needed to thrive as a junior testing professional?
What are some common challenges faced by junior testers during their first year on the job?
What is the difference between Junior Testing vs QA Tester?
| Aspect | Junior Testing | QA Tester |
|---|---|---|
| Required Credentials | High school diploma or equivalent; basic understanding of testing concepts | Similar; often includes certifications like ISTQB Foundation |
| Work Environment | Entry-level, often in software development teams | Same; typically within software or product development teams |
| Employer & Industry Usage | Common in IT and software companies | Widely used across tech, finance, healthcare industries |
| Search & Comparison Intent | Yes; often compared for entry-level roles | Yes; related but more comprehensive testing responsibilities |
Junior Testing and QA Tester roles share similar credentials, work environments, and industry usage. The main difference lies in scope: Junior Testing is often an entry-level position focusing on basic testing tasks, while QA Testers may have broader responsibilities including test planning and process improvement. Both roles are essential in ensuring software quality and are frequently compared by job seekers entering the testing field.
How to become a junior testing?
What are the most commonly searched types of Testing jobs in Illinois?
The most popular types of Testing jobs in Illinois are:
What cities in Illinois are hiring for Junior Testing jobs?
Cities in Illinois with the most Junior Testing job openings:

Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Re-posted 9 hours ago
Job description
William Charles Construction, a MasTec Company, is hiring for a Junior Estimator with with the primary responsibilities of this role to include providing document review and accurate quantity takeoff for heavy civil construction proposals. This position will work closely with the estimating staff and perform under their direction.
Company Overview
With more than a century of exceptional work on our resume, William Charles Construction remains guided by the pursuit of excellence. Our “Do it Right the First Time” work ethic has been the cornerstone of our business philosophy since 1892. With our broad background in heavy civil construction, environmental management, and mining and materials production, we have the expertise to help our customers complete their most complex projects.
William Charles Construction is part of the MasTec Clean Energy & Infrastructure (CE&I) business segment. The CE&I segment generates over $4.5 billion in annual revenue, providing construction services across our renewables, industrial, infrastructure, and general building operating groups. Sustainability and safety are foundational to our culture and influence everything we do.
MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #16 Top 50 Domestic Heavy Contractors, #13 Transportation Contractor).
Responsibilities
• Review, analyze and interpret contract documents for complete understanding of the work to perform accurate quantity takeoffs
• Develop subcontractor and supplier scope packages and perform detailed outreach to procure pricing coverage as required
• Coordinate with lead estimators and provide support as needed to include bidding assigned scopes of work
• Document management, collecting information and completing basic bid deliverable forms and subcontractor and supplier quotes
• Effective communication and interaction with clients, engineers, subcontractors and suppliers
• Company representation at pre-bids and site visits
Qualifications
- Bachelor’s Degree in Civil/Structural Engineering or Construction Management is preferred. A combination of education and experience will be considered in lieu of a degree
- Prior knowledge and experience with heavy civil construction is preferred
- Precise attention to details and exceptionally organized
- Highly motivated self-starter
- Stay up-to-date with industry trends, pricing, and best practices
Work Environment:
- The role is primarily office-based and occasional site visits may be expected
- Occasional travel between our Illinois and Indiana offices may be expected
- Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions
What's in it for you:
Financial Wellbeing
- Ongoing performance reviews and merit increases
- 401(k) with company match & Employee Stock Purchase Plan (ESPP)
- Flexible spending account (Healthcare & Dependent care)
Health & Wellness
- Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
- Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance
Family & Lifestyle
- Paid Time Off, Paid Holidays, Bereavement Leave
- Military Leave, including Differential Pay and Benefits Continuation
- Employee Assistance Program
Planning for the Unexpected
- Short and long-term disability, life insurance, and accidental death & dismemberment
- Voluntary life insurance, accident, critical illness, hospital indemnity coverage
- Emergency Travel Assistance Program
- Group legal plan
Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information.
MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.
MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.
Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.
#LI-TM1
#LI-Onsite
#Dunnett Bay
#Herlighy
#Lorig
#Granite
#Kiewit
#Helm
#Constructors
#IHC
#construction
#Stark
#Excavating
#OttoBaum
#Laverdiere
Qualifications:- Bachelor’s Degree in Civil/Structural Engineering or Construction Management is preferred. A combination of education and experience will be considered in lieu of a degree
- Prior knowledge and experience with heavy civil construction is preferred
- Precise attention to details and exceptionally organized
- Highly motivated self-starter
- Stay up-to-date with industry trends, pricing, and best practices
Work Environment:
- The role is primarily office-based and occasional site visits may be expected
- Occasional travel between our Illinois and Indiana offices may be expected
- Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions
What's in it for you:
Financial Wellbeing
- Ongoing performance reviews and merit increases
- 401(k) with company match & Employee Stock Purchase Plan (ESPP)
- Flexible spending account (Healthcare & Dependent care)
Health & Wellness
- Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
- Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance
Family & Lifestyle
- Paid Time Off, Paid Holidays, Bereavement Leave
- Military Leave, including Differential Pay and Benefits Continuation
- Employee Assistance Program
Planning for the Unexpected
- Short and long-term disability, life insurance, and accidental death & dismemberment
- Voluntary life insurance, accident, critical illness, hospital indemnity coverage
- Emergency Travel Assistance Program
- Group legal plan
Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information.
MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.
MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.
Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.
#LI-TM1
#LI-Onsite
#Dunnett Bay
#Herlighy
#Lorig
#Granite
#Kiewit
#Helm
#Constructors
#IHC
#construction
#Stark
#Excavating
#OttoBaum
#Laverdiere
Education:UNAVAILABLEEmployment Type: FULL_TIMEAbout William Charles Construction
Sourced by ZipRecruiter
Industry
Construction
Company size
51 - 200 Employees
Headquarters location
Rockford, IL, US
Year founded
1892