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Temporary Mainframe Network Engineer Jobs in Illinois

US Bank

Principal Network Engineer z/OS

Chicago, IL

Monitor, analyze, and resolve complex mainframe networking issues involving multiple protocols, connectivity layers, and distributed platforms. * Participate in the design and management of IP ...

Broadcom

R&D SW Engineer

Lisle, IL

We are looking for a seasoned Software Engineer who has navigated complex production mainframe ... Familiarity with network security protocols (TLS, SSH, IPSEC) and their use in mainframe ...

E*Pro, Inc.

Network Engineer

Franklin Park, IL · On-site

... Temp-to-Hire. In addition, our industry expertise and knowledge within financial services ... Network Engineer Location : Franklin Park, IL Job Type : Permanent Full Time Experience working ...

AllSTEM Connections

Network Engineer

Decatur, IL · On-site

$176K - $187K/yr

This is a high-impact role for an engineer who thrives at the intersection of network strategy and ... For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major ...

AllSTEM Connections

Network Engineer

Decatur, IL · On-site

$176K - $187K/yr

... networking environment. This is a hands-on, high-impact role for an engineer who is ready to move ... For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major ...

Deloitte

Senior Mainframe Developer

Chicago, IL · Hybrid

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... As an experienced Mainframe Developer , you will have the ability to share new ideas and ...

Atria Group LLC

Mainframe/Cobol developer

Bloomington, IL

$47 - $60.50/hr

... networking, and communications infrastructures. Our honest and realistic approach to recruiting ... Mainframe/Cobol developer * Resource needed with industry knowledge/experience of IBM's Rational ...

Deloitte

Senior Mainframe Developer

Chicago, IL · On-site

... AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for ... Mainframe application development (COBOL, JCL, DB2). * Experience with incident and change ...

VIVA USA INC

Mainframe Security Specialist

Springfield, IL · On-site

$48.50 - $62.50/hr

Proficiency in mainframe security (e.g., RACF, Data security, and network protocols) to safeguard sensitive payroll data and ensure compliance and expertise in common mainframe technologies including ...

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Temporary Mainframe Network Engineer information

What is the difference between Temporary Mainframe Network Engineer vs Temporary Network Support Specialist?

AspectTemporary Mainframe Network EngineerTemporary Network Support Specialist
Required CredentialsNetworking certifications, mainframe knowledgeNetworking certifications, general IT skills
Work EnvironmentData centers, mainframe environmentsOffice, network operations centers
Employer & Industry UsageFinancial, government, large enterprisesVaried industries, tech firms, telecoms
Common Search & ComparisonYesNo

The Temporary Mainframe Network Engineer focuses on maintaining and supporting mainframe network systems within large enterprise environments, requiring specialized mainframe and networking skills. In contrast, the Temporary Network Support Specialist handles broader network issues across various environments, often with more general networking knowledge. While both roles involve network troubleshooting and support, the mainframe engineer specializes in mainframe systems, making their skill sets distinct.

What are the most commonly searched types of Mainframe Network Engineer jobs in Illinois? The most popular types of Mainframe Network Engineer jobs in Illinois are:
What are popular job titles related to Temporary Mainframe Network Engineer jobs in Illinois? For Temporary Mainframe Network Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Temporary Mainframe Network Engineer jobs in Illinois look for? The top searched job categories for Temporary Mainframe Network Engineer jobs in Illinois are:
What cities in Illinois are hiring for Temporary Mainframe Network Engineer jobs? Cities in Illinois with the most Temporary Mainframe Network Engineer job openings:
Temporary Mainframe Network Engineer jobs near you
Infographic showing various Temporary Mainframe Network Engineer job openings in Illinois as of July 2026, with employment types broken down into 92% Full Time, 5% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.

Information Systems Advisor I - zOS Systems Programmer Mainframe Network Specialist

Illinois Secretary of State

Springfield, IL • On-site

$6.7K - $12K/mo

Other

Re-posted 23 days ago

Job description

Office of the Illinois Secretary of State Alexi Giannoulias
Job Title: Information Systems Advisor I - zOS Systems Programmer Mainframe Network Specialist
Division: Technology Office - Infrastructure
Union: IFT
Location: 501 S 2 nd St., Springfield, IL - Sangamon County
Salary: Range from $6,759 to $12,573 monthly. Commensurate with experience
Benefits:
Attention: Applicants must be authorized to work in the United States; the Office of the Secretary of State will not complete certification and/or sponsorship requests.
Overview:
Will serve as a senior resource to assist ILSOS with general system administration for an IBM z16 mainframe and DR environment with experience in maintaining and assisting with mainframe network administration, security certificates, SFTP, APIs, TCPIP. The role is critical to ensuring the resilience, availability, security, and compliance of the State's enterprise mainframe infrastructure. The successful candidate will work with IBM, HPE, and internal IT teams to design, implement, monitor, primary and secondary mainframe systems that support the Secretary of State's mission-critical applications.
Duties and Responsibilities:
  • Provide advanced system administration and technical leadership for IBM z/OS mainframe systems.
  • Manage and maintain network configurations, connectivity, and communication protocols (SNA, TCP/IP, VTAM, NJE, etc.) in the mainframe environment.
  • Troubleshoot and resolve complex system, network, and application-level issues, driving root cause analysis and long-term corrective actions.
  • Assist with planning and application of system maintenance, software upgrades, and PTFs, coordinating with system programmers and vendor support.
  • Administer and enforce mainframe security policies (RACF, ACF2, or Top Secret), including user access management and compliance controls.
  • Participate in and provide guidance for problem, change, and incident management processes, ensuring timely resolution and documentation.
  • Collaborate with infrastructure, application, and network teams to ensure seamless integration and high availability across systems.
  • Mentor junior administrators and contribute to process improvement and automation initiatives.
  • Performs other duties as required or assigned.
Education and Experience:
Requires knowledge, skill, and mental development equivalent to the completion of two years of college, with coursework in the computer science field AND four years of experience with technical systems and/or programming experience and/or IT project management OR any equivalent combination of education and experience.
Knowledge, Skills and Abilities:
  • Requires extensive knowledge of systems design and implementation, including the way programs are written, compiled, and tested, the methods of operating computers, and the way data is transcribed into a form suitable for reading by computer and has an appreciation of the wider business context for those programs.
  • Requires excellent oral and written communication skills for effective engagement with colleagues and internal users/customers.
  • Requires extensive knowledge necessary to effectively perform the ability to exercise sound judgement in analyzing, appraising, evaluating, and solving problems of a procedural, organizational, administrative, and technical nature.
  • Requires awareness and adherence to organizational standards for security, privacy and ethics.
  • Requires extensive knowledge of the devices for capturing data for computers and the means available for receiving and transmitting data from remote locations to a computer.
  • Requires extensive knowledge of the principles and techniques of computer system documentation.
  • Requires extensive knowledge of the advantages and limitations of computer communication, and information retrieval systems as management information tools.
  • Requires the ability to organize facts and findings, analyze data logically and to present results with clarity and comprehension, orally and in written or graphic form.
  • Requires the ability to use and understand appropriate methods, tools, applications, and processes to demonstrate a rational and organized approach to work.
  • Requires willingness to travel and possession of a valid Illinois driver's license as required by individual positions within the class.
  • Requires the ability to push/pull, lift and carry up to 50 lbs. Requires a valid Illinois Driver's License.
Application Process:
  • Please visit to apply by completing the online application; you may also upload a resume or other attachments as needed .
  • Preference will be given to Illinois residents in the hiring and selection process, in accordance with the Illinois Secretary of State Merit Employment Code.
  • Questions regarding this posting or Illinois Secretary of State employment practices may be directed to Job Counselors at our Personnel offices in Chicago ) or Springfield ).
Equal Employment Opportunity Employer. Applicants must be lawfully authorized to work in the United States.
Applicants are considered for all positions without regard to race, color, religion, sex, national origin, sexual orientation, age, marital or veteran status, or the presence of a non-job-related medical condition or disability.

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