Junior Software Developer Jobs in Rockford, IL
Junior Software Developer jobs in Rockford, Illinois are available now at employers like MasTec, CEI Services, and William Charles Construction and other local employers, from entry level to senior. See the openings below and apply to the ones that match your experience.
Find JobsOverview
Open roles14
Top employerMasTec
Work type100% On-site
Top credentialBachelor's
Companies hiring7
Showing 5 of 14+ Junior Software Developer jobs
C
Junior Estimator
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C
Added 3w ago
CEI Services
Junior Estimator
Rockford, Illinois
Added 3w ago
Junior Estimator
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Added 3w ago
William Charles Construction
Junior Estimator
Rockford, Illinois
Added 3w ago
Junior Estimator
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Added 3w ago
MasTec Inc
Junior Estimator
Rockford, Illinois
Added 3w ago
C
Construction Project Manager – Electrical & Transportation Systems
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C
Added 1w ago
CEI Services
Construction Project Manager – Electrical & Transportation Systems
Rockford, Illinois
Added 1w ago
Construction Project Manager – Electrical & Transportation Systems
We won't show you this job again
Added 1w ago
William Charles Construction
Construction Project Manager – Electrical & Transportation Systems
Rockford, Illinois
Added 1w ago
C
Added 3w ago
Junior Estimator
CEI Services·Rockford, Illinois
Job functions:
5+ yrs exp.
Bachelor's
Job Description
Overview:
The primary responsibilities of this role will include providing accurate takeoff and cost estimates for railways and other concrete and structural components such as foundations, drainage devices, culverts and retaining walls.
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:
What's in it for you:
Financial Wellbeing
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
#Dunnett Bay
Service Line: WCL-William Charles Construct
William Charles Construction, a MasTec Company, is hiring for an experienced Junior Estimator with an estimating background with heavy civil, highways and roadways.
The primary responsibilities of this role will include providing accurate takeoff and cost estimates for railways and other concrete and structural components such as foundations, drainage devices, culverts and retaining walls.
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:
- Participate in preconstruction efforts for design build or other alternative delivery projects Review opportunity pursuits and develop preliminary budget estimate and itemized summary for go/no-go evaluation
- Review, analyze and interpret contract documents for complete understanding of the work and owner deliverables to provide accurate, detailed cost estimates
- Analyze historical data and use estimating software to calculate costs for labor, materials, equipment, and subcontractor services
- Develop subcontractor and supplier scope packages and perform detailed outreach to procure pricing coverage as required
- Ability to manage the bid process from start to finish and report to Executives for final close and sbumittal
- Collaborate with procurement teams to ensure the availability of materials at competitive prices
- Estimate labor and equipment requirements based on the project scope and schedule
- Conduct site visits to assess project conditions and identify any potential risks or challenges
- Evaluate soil conditions, environmental factors, and other site-specific concerns that could affect the cost and schedule of the project
- Identify critical issues and develop risk exposure summary with associated cost impacts
- Provide creative and innovative thinking to analyze and develop strategy and value engineering solutions.
- Effective communication and interaction with clients, engineers, subcontractors and suppliers
- Perform and review quantity takeoff comparisons to provide evaluation for accuracy and acceptance
- Work with scheduling staff and Operations to develop accurate and precise bid schedules
- Present complete and accurate estimates to ensure confidence in decision making
- Company representation at pre-bids and site visits
- Bachelor’s Degree in Civil/Structural Engineering or Construction Management and related field experience. A combination of education and experience will be considered in lieu of a degree
- 5 years of experience in heavy civil estimating
- Precise attention to details and exceptionally organized
- Highly motivated self-starter
- Stay up-to-date with industry trends, pricing, and best practices
- Contribute to the development of improved estimating techniques and processes
Work Environment:
- The role typically involves a combination of office work and occasional site visits
- Occasional travel between our Illinois and Indiana offices can be expected
- Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions
Physical Requirements:
- Ability to lift up to 25 lbs
- Prolonged periods of sitting or standing during estimation tasks
- Occasional travel to job sites for project assessments
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
Service Line: WCL-William Charles Construct
See All 14 Junior Software Developer Jobs in Rockford
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Find JobsJunior Software Developer Job Market in Rockford
Who's Hiring
- MasTec3
- CEI Services3C
- William Charles Construction3
- Quest Global2
- Walmart1
Top Industries Hiring
- Construction & Real Estate3
- Consulting & Professional Services2
- Retail1
- Education1
- Consumer Goods1
Junior Software Developer Jobs in Rockford: Frequently Asked Questions
How many junior software developer jobs are there in Rockford?
There are 14+ junior software developer openings in Rockford, Illinois on Migrate Mate as of June 2026. New positions post regularly as Rockford employers hire.
Which companies hire junior software developers in Rockford?
Companies currently hiring junior software developers in Rockford include MasTec, CEI Services, and William Charles Construction, per current listings on Migrate Mate as of June 2026.
Are there remote junior software developer jobs in Rockford?
Yes. About 0% of junior software developer openings tied to Rockford are remote or hybrid as of June 2026. The rest are on-site roles based in and around Rockford.
Which industries hire the most junior software developers in Rockford?
Most junior software developer openings in Rockford sit in Construction & Real Estate, Consulting & Professional Services, and Retail, per current listings on Migrate Mate as of June 2026.
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