Explore 4 python software engineer jobs from 4 hiring companies in Byron, IL, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Python Software Engineer

Rockford

Loves Park

Machesney Park

Freeport

Belvidere

Dixon

Beloit

DeKalb

Rochelle

Sycamore

Sterling

Roscoe

Janesville

Oregon

Huntley

Woodstock

Wasco

Lake in the Hills

Crystal Lake

Python Software Engineer Jobs

Anritsu

Charter Manufacturing

Renishaw

Onsite

Anritsu is a provider of innovative communications test and measurement solutions. Anritsu engages customers as true partners to help develop wireless, optical, microwave/RF, and digital solutions for R&D, manufacturing, installation, and maintenance applications, as well as multidimensional service assurance solutions for network monitoring and optimization. Anritsu also provides precision microwave/RF components, optical devices, and high-speed electrical devices for communication products and systems. The company develops advanced solutions for emerging and legacy wireline and wireless technologies used in commercial, private, military/aerospace, government, and other markets. To learn more visit www.anritsu.com and follow Anritsu on Facebook, LinkedIn, Twitter, and YouTube.
As a Software Development Engineer Intern working in Belvidere, IL, you will be responsible for completing small coding projects under the mentorship of a Software Engineer. Projects will help develop, maintain, or test capabilities of Test and Measurement instruments and will be chosen at the time of the internship.
Key Responsibilities include:
<ul>
<li>Complete small projects under the mentorship of a SW Engineer</li>
<li>Get training on how to use Anritsu software and hardware. Both manually and automated systems.</li>
<li>Test software before it gets delivered to customer</li>
<li>Create documentation / user guides</li>
<li>Write test scripts (usually python)</li>
<li>Participate in team meetings</li>
<li>This position will be reporting to the Sr. Manager, Field Applications Engineering.</li>
</ul>
Requirements:
<ul>
<li>Working toward a BS/MS Computer Science/Computer Engineering</li>
<li>Excellent communication (oral and written), interpersonal, organizational skills</li>
<li>Strong analytical and problem-solving skills</li>
<li>Understanding of OOAD/OOP principles</li>
<li>Basic understanding and comfortable with a programming language like python, java, C++</li>
</ul>
In order to be successful in this role, the following competencies and behavior skills are required:
<ul>
<li>Dedicated to meeting team goals</li>
<li>Adaptable to priority shifts</li>
<li>Committed to creating quality software</li>
<li>Can work in a team environment</li>
</ul>
The annual salary range for this position is $25/hr - $35/hr. Please note that the salary information is a general guideline only. Anritsu Company considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Why work at Anritsu? Please visit us on Comparably to see what our employees love about working here!

Software Development Engineer Intern

Pursuing BS/MS in Computer Science/Computer Engineering; strong communication; analytical; OOAD knowledge; basic Python/Java/C++.

Date Posted:2026-04-02Country:United States of AmericaLocation:US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6Position Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.Security Clearance Type: None/Not RequiredSecurity Clearance Status: Not Required<div><div>Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us in Rockford, Illinois and help shape the future of aerospace and defense. </div><div>As a Software Engineer in Rockford, Illinois, you’ll join a dynamic, innovative agile/scrum team that’s shaping the future of aerospace and defense. You won’t just write code, you’ll create and support a cutting-edge, reusable operating environment that powers automated product testing and hardware-in-the-loop simulations. Your work will directly impact the performance and reliability of next-generation aerospace systems, giving you the chance to solve challenging technical problems, collaborate with top engineers, and see your solutions come to life in real-world applications. </div><div> </div><div>What You Will Do <ul><li> Develop modular software applications interfacing with test equipment hardware (including prime mover controllers, load banks, power supplies, discrete/analog I/O, and communication data networks) and integrate them into cohesive systems.  </li></ul></div><div><ul><li>Collaborate with electrical engineers on wiring, hardware configuration, and test stand requirements.  </li></ul></div><div><ul><li>Design and implement advanced software tools, supercomputing clusters, and real-time applications for Automatic Test Equipment using Object-Oriented Design, scripting languages (Python, TCL, etc.), and C&#43;&#43;.  </li></ul></div><div><ul><li>Provide on-site and remote support, including debugging, operating system administration, and computer hardware build-up/teardown, to internal development labs in Rockford, Illinois  </li></ul></div><div><ul><li>Lead large software development efforts, managing both technical implementation and financial planning aspects.  </li></ul></div><div><ul><li>Develop software for Linux and Windows operating systems.  </li></ul></div><div><ul><li>Generate and maintain software documentation and manage change requests.  Review and update department processes. </li></ul></div><div>Qualifications You Must Have  </div><div><ul><li>Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field </li></ul></div><div><ul><li>Strong proficiency in C&#43;&#43; and Python scripting experience. </li></ul></div><div><ul><li>Familiarity with electrical engineering concepts. </li></ul></div><div>Qualifications We Prefer  </div><div><ul><li>Bachelor’s degree in computer engineering, Software Engineering, Electrical Engineering, or a related field.  </li></ul></div><div><ul><li>Experience with Linux and Windows operating systems.  </li></ul></div></div><div><div><ul><li>Familiarity with hardware integration and testing environments.  </li></ul></div><div><ul><li>Familiarity with object-oriented design principles and software design patterns.  </li></ul></div><div><ul><li>Configuration management experience (version control, build systems, etc.). </li></ul></div><div><ul><li>UX design experience (for interface tools and user-facing applications). </li></ul></div><div> </div><div>What We Offer  </div><div>Some of our competitive benefits package includes:  </div><div>• Medical, dental, and vision insurance </div><div>• Three weeks of vacation for newly hired employees </div><div>• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option </div><div>• Tuition reimbursement program </div><div>• Student Loan Repayment Program </div><div>• Life insurance and disability coverage </div><div>• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection </div><div>• Birth, adoption, parental leave benefits </div><div>• Ovia Health, fertility, and family planning </div><div>• Adoption Assistance          </div><div>• Autism Benefit </div><div>• Employee Assistance Plan, including up to 10 free counseling sessions </div><div>• Healthy You Incentives, wellness rewards program </div></div><div>• Doctor on Demand, virtual doctor visits </div><div>• Bright Horizons, child and elder care services </div><div>• Teladoc Medical Experts, second opinion program </div><div>•  And more!  </div><div>Learn More &amp; Apply Now! </div><div>We make modern flight possible for millions of travelers and our military every second.  Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power &amp; Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight! </div><div>*Please ensure the role type (defined below) is appropriate for your needs before applying to this role. </div><div>Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. </div><div>At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.  </div><div>Apply now and be part of the team that’s redefining aerospace, every day. </div><div> </div>As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms:Click on this <a target="_blank" href="http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice">link</a> to read the Policy and Terms

Software Engineer – Test Equipment (Onsite)

Software Engineer

STEM degree with 2+ years of experience; strong C++ and Python; familiarity with test equipment and hardware interfaces.

<h2>Job Description</h2>The Software Application Engineer provides solution-oriented technical and commercial support to customers.  Primary responsibilities include installation and training of Renishaw machine tool PC based software products at customer facilities.  The individual is responsible for understanding customer needs and developing application solutions.  Role requires interfacing with customers servicing a variety of industries.  Internally, the role requires interfacing with Customer Service, Marketing and National Sales.  Individual will be involved with generation of quotes and presentations along with supporting trade shows. The work involves extensive travel throughout the U.S. and occasional international travel.Principal Duties &amp; Responsibilities<ul><li>Perform and develop hardware/software solutions based on customer requirements.</li><li>Install and support the application of Renishaw’s PC based software for products.</li><li>Conduct training on Renishaw Machine Tool Software Products at customer sites.</li><li>Conduct product training for Renishaw staff.</li><li>Provide technical support for sales and marketing.</li><li>Work closely with software vendors and Renishaw’s UK product development teams.</li><li>Assist with introduction of new products.</li><li>Set up and attend trade shows.</li><li>Help develop a marketing plan to sell Renishaw software in North America.</li><li>Other duties as assigned or requested.</li></ul>QualificationsEducation and Experience:  Minimum<ul><li>Bachelor of Science in Computer Science, Software Engineering, Mechanical Engineering, or Engineer Technology equivalent, or experience equivalent.</li><li>Ability to understand and comprehend engineering principles</li><li>Strong trouble shooting skills</li><li>Information Technology aptitude</li><li>This position may require the use of, and access to, ITAR controlled data.  The applicant must demonstrate eligibility to use and access such ITAR controlled data.  The purpose of this requirement is to ensure compliance with U.S. export control laws. </li><li>Strong mathematical skills i.e. Trigonometry</li></ul>Education and Experience:  Preferred<ul><li>Computer networking experience</li><li>Programming experience in at least one advanced level language, i.e python, C&#43;&#43;</li><li>General experience with a variety of CNC machine types and controls</li><li>General knowledge of custom macro / parametric programming</li><li>Knowledge and experience in programming metrology systems</li><li>Understanding of electronic and mechanical principles</li><li>Understanding of engineering drawing and GD&amp;T(Geometric Dimensioning and Tolerancing)</li><li>Possess knowledge of CNC machine tools</li></ul>Knowledge, Skills and Abilities, Competencies<ul><li>Must be comfortable operating and programming CNC equipment and working in a manufacturing environment.</li><li>Work with minimal supervision, independently and as part of a team</li><li>Ability to comprehend and produce technical documentation and presentations</li><li>Identification of problems and trouble-shooting of technical systems</li><li>Manual dexterity with the physical ability to install products in a normal production environment</li><li>Interpersonal skills<ul><li>Verbal</li><li>Written</li><li>Conflict-management</li></ul></li></ul><ul><li>Be organized and capable of scheduling work, setting priorities, and coordinating with customers</li><li>Microsoft product knowledge</li></ul>Compensation Range (Annual)<ul><li>Up to $80,000(depending on level and location)</li></ul>In an effort to comply with local legislation, as well as to provide greater transparency to candidates regarding cash compensation, Renishaw sets standard pay ranges for all U.S.-based roles as established by job function, level, and geographic location. Final offer amounts are determined by multiple factors, including candidate experience and expertise, as well as geographic location, and may vary from the amounts listed above.Equal opportunity employer. This company considers candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.  Affirmative action employer of minorities, females, veterans, and individuals with disabilities.Benefits Renishaw offers a competitive, comprehensive benefits package for employees including health, dental and vision benefits, a 401K plan with company match, flexible spending accounts, life insurance, short- and long-term disability, vacation and personal time, paid company holidays and an employee assistance program.Employment Type:RegularTime Type:Full timeRequisition Number:R9061 Software Applications Engineer-Machine Tool (Open)Reasonable Accommodation:If you need any assistance seeking a job opportunity at Renishaw, or if you require reasonable accommodation with the application process, please call 847-286-9953 or contact us at <a href="mailto:Americas.Workday&#64;renishaw.com" target="_blank">Americas.Workday&#64;renishaw.com</a>.

Software Applications Engineer-Machine Tool

Software Applications Engineer

Bachelor's in CS/Software/Mechanical Eng or equivalent; strong troubleshooting; ITAR eligibility; CNC/ metrology knowledge; travel across U.S.

<h2>Charter Manufacturing is a fourth-generation family-owned business where our will to grow drives us to do it better.  Join the team and become part of our family!</h2>The Automation team at Charter Casting is hiring a Digital Process Automation Engineer!Alternative Job Titles: Manufacturing Automation Engineer, MES &amp; Automation Engineer, OT Systems Automation Engineer, Digital Automation Engineer, Manufacturing Systems EngineerCharter Casting is a U.S.-based manufacturer of large complex iron castings and DuraBar®, the industry’s leading continuous cast iron bar. Charter Casting is a member of the Charter Manufacturing family of companies. Job Summary: Play a key role in advancing digital manufacturing by designing and delivering integrated solutions that improve plant operations and business processes. You will partner with Operations, Engineering, and cross-functional teams to turn process improvement opportunities into scalable solutions across MES, software automation platforms, and analytics environments.Position specifics: <ul><li>Location: Woodstock IL</li><li>Work Model: Onsite</li><li>Travel: Up to 10% to other Charter Manufacturing facilities</li><li>Relocation:   Relocation benefits available   </li><li>Applicants must be authorized to work for any employer in the U.S. Charter Manufacturing is unable to sponsor for employment visas at this time.</li></ul>Key responsibilities:<ul><li>Design, develop, and enhance MES solutions, production workflows, and system integrations.</li><li>Integrate OT systems with ERP and other enterprise platforms.</li><li>Develop and deploy end-to-end automation solutions using software automation platforms.</li><li>Analyze processes, identify improvement opportunities, and deliver scalable digital solutions.</li><li>Lead multiple concurrent process optimization initiatives across OT systems and automation platforms.</li><li>Build scalable automation workflows and reusable components.</li><li>Develop dashboards and analytics solutions that support process improvement.</li><li>Partner with Operations, Engineering, and cross-functional stakeholders to define requirements and deliver solutions.</li><li>Mentor junior team members and support citizen developers.</li><li>Ensure adherence to SDLC, governance, security, and compliance standards.</li><li>Support deployment, commissioning, and validation in production environments.</li><li>Maintain data integrity, consistency, documentation, version control, and solution traceability.</li><li>Drive user adoption and support change management for new solutions.</li><li>Follow Environmental, Quality, and Safety Management System requirements.</li><li>Support systems operating in a 24/7 manufacturing environment as needed.</li></ul>What you’ll need:<ul><li>Bachelor’s Degree in Engineering, Computer Science, Information Systems, or related field, or equivalent experience</li><li>3–6 years of experience in automation, OT systems, or software development</li><li>Experience with programming languages (C#, Python, JavaScript, SQL, or similar)</li><li>Experience with either MES systems or software automation platforms</li><li>Experience with GenAI platforms and tools</li><li>Experience integrating systems using APIs, databases, and automation tools</li><li>Strong analytical, communication, and problem-solving skills</li></ul>Nice to haves:<ul><li>Experience with both MES systems and software automation platforms</li><li>Experience with MES platforms such as Rockwell FactoryTalk ProductionCentre</li><li>Experience with software automation platforms, preferably Automation Anywhere</li><li>Experience with BI tools (Power BI, Tableau)</li><li>Knowledge of integration methods and technologies across systems such as ERP, MES, and controls layers</li><li>Experience with database and data tools such as Microsoft SQL Server (MSSQL), Snowflake data lake, and Alteryx</li><li>Familiarity with Agile or DevOps methodologies</li><li>Experience in manufacturing or industrial environments</li><li>Familiarity with Lean, Six Sigma, or continuous improvement methodologies</li></ul>Take the next step in your career, apply today!#LI-PF1#LI-ONSITE#CharterManufacturing#CharterCareers#CharterCasting#OneFamilyOneTeam  The annual hiring range for this position is: $82,000-$102,500. The actual base pay offered to the successful candidate will depend on various factors, including but not limited to job-related skills, experience, and qualifications. Compensation decisions are tailored to the unique circumstances of each position and candidate.We offer comprehensive health, dental, and vision benefits, along with a 401(k) plan that includes employer matching and profit sharing. Additionally, we offer company-paid life insurance, disability coverage, and paid time off (PTO).

Digital Process Automation Engineer

Bachelor’s degree or equivalent; 3–6 years in automation/OT or software development; experience with MES and software automation; programming in C#/Python/JavaScript/SQL; API integrations; GenAI tools.

Python Software Engineer Jobs in Byron, IL, US

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