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Computer Systems Jobs in Illinois (NOW HIRING)

Fermilab

CMMS Systems Administrator III

Batavia, IL · On-site

$88K - $116K/yr

Assuming computer security responsibility for managed systems. * Communicating and coordinating with other technical personnel working closely on a project, including those from non-computing ...

Air Force Materiel Command

SUPPLY SYSTEMS ANALYST

IL · On-site +1

$41K - $99K/yr

Specialized experience is experience iis analyzing, evaluating and promoting improvement plans, methods, procedures, computer systems, weapon systems and techniques. Establishes, revises, or reviews ...

Omnera LLC

Business Analyst - Part-time

Lisle, IL · On-site

Business Analyst - Computer Systems Analyst (Part-Time) Omnera seeks a professional Business Analyst - Computer Systems Analyst to analyze, evaluate, and improve the company's computer-based ...

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Computer Systems information

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How much do computer systems jobs pay per year?

As of Sep 13, 2026, the average yearly pay for computer systems in Illinois is $69,968.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,900.00 and $90,600.00 per year, depending on experience, location, and employer.

What is a computer system?

Computer systems are integrated assemblies of hardware, software, and peripheral devices designed to perform a wide range of computing tasks. They include components like processors, memory, storage, and input/output devices, all working together to process, store, and retrieve data. Computer systems can range from personal computers and laptops to large servers and data centers. Their primary purpose is to execute instructions and support various applications in business, education, science, and personal use.

What are the key skills and qualifications needed to thrive as a computer systems analyst, and why are they important?

To thrive as a Computer Systems Analyst, you need strong analytical skills, a solid understanding of information systems, and usually a bachelor’s degree in computer science or a related field. Familiarity with systems analysis tools, database management systems, and software like SQL and enterprise resource planning (ERP) platforms is typically required. Excellent problem-solving, communication, and project management abilities help analysts gather requirements and translate business needs into technical solutions. These skills and qualifications ensure that organizations can optimize their IT infrastructure and align technology with strategic goals.

What are some common challenges faced by professionals working in computer systems roles, and how can they be addressed?

Professionals in computer systems roles often encounter challenges such as troubleshooting complex system issues, managing system upgrades with minimal downtime, and ensuring security compliance. Staying current with rapidly evolving technologies and balancing multiple priorities can also be demanding. These challenges can be addressed through continuous learning, effective time management, and strong collaboration with cross-functional teams like network, security, and support staff. Open communication and proactive problem-solving are key to maintaining efficient and secure computer systems.

What is the difference between Computer Systems vs Network Administrator?

AspectComputer SystemsNetwork Administrator
CertificationsCompTIA A+, Cisco CCNA, Microsoft certificationsCompTIA Network+, Cisco CCNA, Microsoft certifications
Work EnvironmentWork on hardware, operating systems, and software setupManage and maintain network infrastructure and connectivity
Industry UsageUsed across IT, tech support, and systems managementPrimarily in organizations with complex networks and IT infrastructure

Computer Systems professionals focus on hardware, operating systems, and software configuration, while Network Administrators specialize in managing network infrastructure and connectivity. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ in scope and focus.

Is computer systems a good career?

A career in computer systems involves managing and supporting computer hardware, software, and networks, often requiring skills in troubleshooting, security, and system administration. It offers strong job growth, competitive salaries, and opportunities across various industries, with certifications like CompTIA or Cisco enhancing employability.

What careers can you get with a computer systems degree?

A computer systems degree prepares individuals for careers such as systems analyst, network administrator, cybersecurity specialist, IT support specialist, and systems engineer. These roles typically require knowledge of hardware, software, networks, and security protocols, and may involve certifications like CompTIA or Cisco. Job responsibilities often include managing IT infrastructure, troubleshooting issues, and implementing security measures.

Which careers involve working with computer systems?

Careers involving working with computer systems include roles such as computer systems analyst, network administrator, systems engineer, and IT support specialist. These jobs typically require knowledge of hardware, software, networking, and security, and often involve troubleshooting, system design, and maintenance tasks.

What cities in Illinois are hiring for Computer Systems jobs?

Cities in Illinois with the most Computer Systems job openings:

Computer Systems jobs near you
Infographic showing various Computer Systems job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 88% Full Time, 7% Part Time, 3% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $69,968 per year, or $33.6 per hour.

CMMS Systems Administrator III

Batavia, IL • On-site

Fermilab
Scientific Research and Development Services • 1 - 5K employees
Learn more about Fermilabexternal

$88K - $116K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago

Fermilab rating

9.1

Company rating: 9.1 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

Job description

The expected hiring range for this position is:
$88,800.00-$116,900.00.
Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs.
This position is not eligible for relocation assistance, sponsorship assistance or referral bonus program.
About the Role:
Under general supervision and working on complex tasks, responsible for all activities related to system administration, assigning personnel to various projects, directing their activities, and evaluating their work as required. Works on several complex components of a project. Ensures long-term requirements of systems operations and administration are included in the overall information systems planning of the organization. Responsible for the installation, maintenance, configuration, and integrity of computer software. Implements operating system enhancements that will improve the reliability and performance of the system. May lead and supervise others in a group.
What your day-to-day as a CMMS Systems Administrator III will look like:
  • Responsible for all activities related to system administration.
  • Assigning personnel to various projects, directing their activities, and evaluating their work as required.
  • Ensuring long-term requirements of systems operations and administration are included in the overall information systems planning of the organization.
  • Responsible for the installation, maintenance, configuration, and integrity of computer software.
  • Implementing operating system enhancements that will improve the reliability and performance of the system.
  • Recognizing and trouble shooting complex problems with server hardware, operating system and applications software.
  • Establishing and documenting standards and procedures for management review.
  • Assuming computer security responsibility for managed systems.
  • Communicating and coordinating with other technical personnel working closely on a project, including those from non-computing disciplines.
  • Communicating effectively to management, peers, and stakeholders, in written and verbal form, such as the following activities: telephone queries; written progress and status reports; electronic mail; and technical documentation.
  • Providing consultation to users and supporting services as needed.
  • Interfacing with suppliers and vendors as needed.
  • May supervise, instruct, direct, and check the work of others in a group.
  • Performing other duties as assigned by supervisor.
  • Abiding by and being responsible for performing all duties in accordance with all environmental, health and safety regulations and practices pertinent to this position.

Essential Competencies and Attributes for Success:
  • Bachelor's degree in computer science, information systems, engineering, business systems, or a related field, with 5+ years of experience supporting complex enterprise systems, business applications, or technical projects. Equivalent combinations of education and experience may be considered where applicable.
  • Applicable Knowledge, Skills and Abilities Required:
  • In-depth understanding of enterprise computer systems, application administration, troubleshooting, and problem-solving techniques.
  • Advanced knowledge of CMMS, asset management systems, maintenance processes, reporting, and data management practices.
  • Strong organizational skills and attention to detail with the ability to manage complex systems, competing priorities, and multiple stakeholder needs.
  • Ability to analyze business requirements and translate them into effective system solutions.
  • Experience with system configuration, access management, testing, implementation, and documentation.
  • Experience developing reports, metrics, dashboards, and data-driven solutions to support operational decision-making.
  • Strong written, oral, and presentation communication skills, with the ability to effectively communicate complex technical information to diverse audiences, including end users, technical personnel, management, and leadership.
  • Ability to work effectively with technical personnel, maintenance professionals, engineers, vendors, and organizational leadership.
  • Ability to lead projects, coordinate activities, and support continuous improvement initiatives.
  • Contributes effectively within a diverse workforce and upholds Fermilab's commitment to equity, diversity, and inclusion.

Applicable Knowledge, Skills and Abilities Required:
  • In depth technical understanding of computer systems and problem-solving skills.
  • Good organizational skills and attention to detail.
  • Good communication skills and strong ability to describe technical information in easy-to-understand terms.

Work Arrangement:
Please note that the described work arrangement is subject to change based on business needs and is not guaranteed to be final.
  • Onsite: This is an onsite role, and the candidate must be able to work from our Batavia Office.

Benefits/Perks:
Fermilab offers a competitive and comprehensive benefits program, including:
  • Medical, Dental, Vision and Flexible Spending Accounts
  • Paid time off
  • Life insurance
  • Short and Long-term disability insurance
  • Retirement benefits
  • Onsite day care

Why Fermilab:
Fermilab is America's premier laboratory for particle physics and accelerator research, funded by the U.S. Department of Energy. We support discovery science experiments in Illinois and locations around the world, including deep underground mines in South Dakota and Canada, mountaintops in Arizona and Chile, CERN in Europe and the South Pole.
Pre-Employment Screening:
Drug-Free Workplace & Pre-Employment Screening
Fermilab is dedicated to fostering a safe, productive and drug-free environment. An offer of employment is contingent upon the successful completion of a background check and drug screening.
HSPD-12
In accordance with Homeland Security Presidential Directive 12 (HSPD-12) new employees are required to obtain and maintain a HSPD-12 Personal Identity Verification (PIV) Credential. To obtain this credential, new employees must successfully complete and pass a federal background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.
Foreign Government Sponsored Activities
Fermilab employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. Such individuals will be asked to disclose any participation for review by Fermilab's Office of General Counsel.
REAL-ID Requirement for access to Fermilab Campus
Fermilab requires all members of the public to produce a REAL-ID, or equivalent, to access the Fermilab Campus for interviews or career events. A list of acceptable forms of ID can be found here: https://get-connected.fnal.gov/wp-content/uploads/2021/09/REALID-Documents.pdf. If a candidate is selected for an interview but does not possess any of the equivalent documents, we may schedule a virtual interview.
Equal Opportunity Statement
Fermilab is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information, and other legally protected categories.

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