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Entry Level System Engineer Jobs in Illinois (NOW HIRING)

Mechanical Systems Engineer

Chana, IL · On-site

$122K - $154K/yr

The Mechanical Systems Engineer position is based out of our Byron Clean Energy facility in Byron ... This Engineering role can be filled at Entry level, Mid-level or Senior Engineer level. Please see ...

Mechanical Systems Engineer

Byron, IL · On-site

$87K - $154K/yr

The Mechanical Systems Engineer position is based out of our Byron Clean Energy facility in Byron ... This Engineering role can be filled at Entry level, Mid-level or Senior Engineer level. Please see ...

Mechanical Systems Engineer

Byron, IL · On-site

$122K - $154K/yr

The Mechanical Systems Engineer position is based out of our Byron Clean Energy facility in Byron ... This Engineering role can be filled at Entry level, Mid-level or Senior Engineer level. Please see ...

Mechanical Systems Engineer

Polo, IL · On-site

$87K - $154K/yr

The Mechanical Systems Engineer position is based out of our Byron Clean Energy facility in Byron ... This Engineering role can be filled at Entry level, Mid-level or Senior Engineer level. Please see ...

Showing results 21-40

Entry Level System Engineer information

See Illinois salary details

$51.8K

$123.3K

$161.8K

How much do entry level system engineer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for entry level system engineer in Illinois is $123,274.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,000.00 and $152,100.00 per year, depending on experience, location, and employer.

What is an entry level system engineer?

An Entry Level System Engineer is a professional who assists in designing, implementing, and maintaining computer systems and networks for organizations. They typically work under the supervision of senior engineers, helping to resolve technical issues, monitor system performance, and ensure the security and reliability of IT infrastructure. Entry Level System Engineers often perform routine tasks such as software installations, updates, troubleshooting, and documenting system configurations. This role serves as a starting point for a career in systems engineering, providing foundational experience in IT operations and support.

What are the key skills and qualifications needed to thrive as an entry level system engineer, and why are they important?

To thrive as an Entry Level System Engineer, a solid grounding in computer science, networking fundamentals, and operating systems is essential, often supported by a relevant bachelor's degree. Familiarity with tools like Linux, Windows Server, scripting languages (such as Python or Bash), and basic cloud platforms, as well as certifications like CompTIA Network+ or Microsoft Certified: Azure Fundamentals, is typically expected. Strong problem-solving abilities, attention to detail, and effective communication skills help individuals excel in team environments and troubleshoot issues efficiently. These skills and qualities are critical for maintaining system reliability, supporting IT infrastructure, and contributing to organizational success.

What are some typical challenges entry level system engineers face when transitioning from academic projects to real-world environments?

Entry-level system engineers often find that real-world projects involve more complex and interconnected systems than academic assignments. They may encounter challenges such as navigating legacy infrastructure, adhering to strict security protocols, and collaborating with cross-functional teams. Additionally, prioritizing tasks and troubleshooting under time constraints are common hurdles. However, active communication and a willingness to learn from senior engineers can help new hires adapt quickly and grow in the role.

What is the difference between Entry Level System Engineer vs Network Technician?

AspectEntry Level System EngineerNetwork Technician
Required CredentialsBachelor's in Computer Science or related field; certifications like CompTIA A+ or Network+Associate's degree or technical certification; CompTIA A+ often preferred
Work EnvironmentDesigning, implementing, and maintaining IT systems; often in office or data centersInstalling, troubleshooting, and repairing network hardware; on-site or helpdesk settings
Employer & Industry UsageIT departments, tech companies, large organizationsTelecom providers, ISPs, corporate IT support

While both roles involve technical skills and certifications like CompTIA A+, Entry Level System Engineers focus on system design and integration, whereas Network Technicians primarily handle network hardware and troubleshooting. The roles often overlap but differ in scope and responsibilities within IT infrastructure.

What are the most commonly searched types of System Engineer jobs in Illinois?

The most popular types of System Engineer jobs in Illinois are:

What cities in Illinois are hiring for Entry Level System Engineer jobs?

Cities in Illinois with the most Entry Level System Engineer job openings:

Infographic showing various Entry Level System Engineer job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $123,274 per year, or $59.3 per hour.

Mechanical Systems Engineer

Constellation Energy

Rochelle, IL • On-site

$87K - $154K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago


Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz

12th of 87 rated oil and gas companies


Job description

Who We Are

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

The Mechanical Systems Engineer position is based out of our Byron Clean Energy facility in Byron, IL.


Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more.

*****************This Engineering role can be filled at Entry level,  Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level*********************************** 

Entry Level - $87,000

Mid Level - $92,700-$114,000 

Sr Level - $122,400-$154,000 

Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K 

Primary Purpose of Position

Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations.

Primary Duties and Accountabilities

  • Perform engineering and technical tasks as assigned by supervision applying general engineering principles
  • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, engineering specifications and all regulatory requirements.
  • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures.
  • Recommend format and methodology improvements to standard processes and procedures.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

MINIMUM QUALIFICATIONS for Entry Level E01 Engineer &ndash New Graduate 

  • B.S  in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) 
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Mid-level E02 Engineer

  • B.S. in Engineering, a minimum 2 years Nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants"
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Senior E03 Engineer

  • B.S. in Engineering, a minimum 5 years Nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants"
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Preferred Qualifications

  • BS Mechanical, Civil, Industrial or Chemical Engineering
  • Engineer in Training Certification
  • Good grasp of techniques and a good understanding of the fundamental functions performed by the group. As responsibility increases within the organization
  • Experience with raw water systems
  • Nuclear power plant experience

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