LAN DC Network Engineer (Information System Analyst II, Opt N)

Reasonable Accommodation Statement The State of Illinois is committed to working with and providing reasonable accommodations to people with disabilities. Further, federal law requires employers to provide reasonable accommodation to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job, interview for a job, or for any other activity related to the hiring process. Examples of reasonable accommodation include, but are not limited to, making a change to the application process (if possible), providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. To be provided a Reasonable Accommodation during the hiring process, you will need to provide a certification of disability from a physician, psychiatrist, school official or an Illinois Department of Human Services (DHS) Division of Rehabilitation Services (DRS) Vocational Rehabilitation (VR) Counselor. Supporting documentation should be uploaded under My Documents → Additional Documents section for each application. Any questions on Reasonable Accommodations can be directed to Central Management Services Disability Resource Center at View email address on click.appcast.io or call View phone number on click.appcast.io for further information and to request or discuss an accommodation. Sponsorship for Employment The State of Illinois does not provide sponsorship for employment visa status (e.g. H-1B visa status), nor is the State able to provide extensions of optional practical training (OPT) under the STEM-designated degree program for F-1 students. To be considered for permanent employment with the State of Illinois, applicants must be currently authorized to work in the United States on a full-time basis. 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Job Requisition ID: 57510 Opening Date: 07/15/2026 Closing Date: 07/29/2026 Agency: Department of Innovation and Technology Class Title: INFORMATION SYSTEMS ANALYST II - 21166 Skill Option: Networking Bilingual Option: None Salary: Anticipated Starting Salary: $8,060 monthly; Full Range: $8,060 - $11,851 monthly Job Type: Salaried Category: Full Time County: Sangamon Number of Vacancies: 1 Bargaining Unit Code: RC063 Professional Employees, Educators, Juvenile Justice School Counselors and Special Education Resources Coordinators, and Physicians AFSCME Merit Comp Code: N/A This position is a union position; therefore, provisions of the relevant collective bargaining agreement/labor contract apply to the filling of this position. All applicants who want to be considered for this position MUST apply electronically through the illinois.jobs2web.com website. State of Illinois employees should click the link near the top left to apply through the SuccessFactors employee career portal. Applications submitted via email or any paper manner (mail, fax, hand delivery) will not be considered. Proof of educational coursework is required. Acceptable proof of coursework includes unofficial transcripts, copies of official transcripts, account records (including screenshots) of academic coursework, and any similar documents created by an academic institution. Are you looking for a rewarding career with an organization that values their staff? The Department of Innovation & Technology (DoIT) is seeking to hire qualified candidates with the opportunity to work in a dynamic, creative thinking, problem solving environment. This position serves as a Local Area Network (LAN) Data Center (DC) Network Engineer performing highly complex professional, advisory, and technical functions for enterprise network infrastructure and security implementations. In this role you will serve as a technical expert in Enterprise Data Center Network Architecture, layer 2 and layer 3 switching design, and enterprise network security applications. In addition, you will confer with customers to troubleshoot complex network systems, end‑user communication problems, system intrusions, and network hardware and software failures. This position also serves as a technical project coordinator and analyst for design, development, and modification of highly complex network communications solutions for multi‑tiered applications and server farm interactions. If you possess these knowledges, skills, abilities, and experience, we invite you to apply for this position to join the DoIT Team! Competitive Group Insurance benefits including health, life, dental and vision plans. Flexible work schedules (when available and dependent upon position). 10‑25 days of paid vacation time annually (10 days for first year of state employment). 12 days of paid sick time annually which carry over year to year. 3 paid personal business days per year. 13‑14 paid holidays per year dependent on election years. 12 weeks of paid parental leave. Pension plan through the State Employees Retirement System. Deferred Compensation Program – voluntary supplemental retirement plan. Optional pre‑tax programs - Medical Care Assistance Plan (MCAP) & Dependent Care Assistant Plan (DCAP). Tuition Reimbursement Program and Federal Public Service Loan Forgiveness Program eligibility. Working with the State of Illinois is a testament to the values of compassion, equity, and dedication that define our state. Whether you’re helping to improve schools, protect our natural resources, or support families in need, you’re part of something bigger—something that touches the lives of every person who calls Illinois home. No matter what state career you’re looking for, we offer jobs that fit your life and your schedule—flexible jobs that provide the gold standard of benefits. Our employees can take advantage of various avenues to advance their careers and realize their dreams. Our top‑tier benefits and great retirement packages can help you build a rewarding career and lasting future with the State of Illinois. Essential Functions Under administrative direction, serves as a Local Area Network (LAN) Data Center (DC) Network Engineer for the Department of Innovation & Technology (DoIT), performing complex hardware and software installations and in the design, modification, and development of specifications to complex Data Center network communications, including various network and security components with multiple levels of network redundancy. Meets with users to determine layout and specifications to design, develop, and modify complex network communications, including various LAN components such as routers, switches, internet gateways, and cabling. Configures, tests, and maintains various make and models of LAN switches, routers, network authentication systems and internet gateways, including designing, installing, and maintaining network cabling. Keeps abreast of new developments in the information technology field by continuing education through online training platforms, meetings, training sessions, seminars, and conferences to increase familiarity with and remain current on products, vendors, techniques, and procedures. Performs other duties as required or assigned which are reasonably within the scope of duties enumerated above. Minimum Qualifications Requires knowledge, skill, and mental development equivalent to completion of four (4) years of college with coursework in computer science or directly related fields. Requires three (3) years of professional experience in Network Services or a related Information Technology field. Specialized Skills Requires three (3) years of professional experience with Layer 2 switching, Layer 3 routing, Data center switching architecture, Data center capacity planning, Local Area Network (LAN) design and VLAN design, Transmission Control Protocol/Internet Protocol (TCP/IP), IP address management, and Quality of Service (QOS), including performing complex network configuration, developing network standards, and conducting analytical reviews in a multi‑tiered Data Center environment. Requires three (3) years of professional experience with Access List configuration, Domain Name Services (DNS), and Dynamic Host Configuration Protocol (DHCP), including troubleshooting complex end‑user communication issues and utilizing network monitoring and diagnostic tools to validate configuration integrity. Requires three (3) years of professional experience with Cloud Computing, Internet gateways, Network security, Internet Protocol Security (IPSEC), and network authentication, including implementing secure network architectures, supporting multi‑tiered applications, and maintaining security configurations across Data Center network environments. Requires three (3) years of professional experience with traffic analyzers (Sniffers), Network Diagnostic and Management Tool Integration, Video over IP, and Voice over IP (VoIP), including the use of packet analyzers, network monitoring systems, and integrated diagnostic utilities to troubleshoot and optimize Data Center network communications. Preferred Qualifications (In order of significance) Three (3) years of professional experience with Layer 2 switching, Layer 3 routing, Data center switching architecture, Data center capacity planning, Local Area Network (LAN) design and VLAN design, Transmission Control Protocol/Internet Protocol (TCP/IP), IP address management, and Quality of Service (QOS), including performing complex network configuration, developing network standards, and conducting analytical reviews in a multi‑tiered Data Center environment. Three (3) years of professional experience with Access List configuration, Domain Name Services (DNS), and Dynamic Host Configuration Protocol (DHCP), including troubleshooting complex end‑user communication issues, and utilizing network monitoring and diagnostic tools to validate configuration integrity. Three (3) years of professional experience with Cloud Computing, Internet gateways, Network security, Internet Protocol Security (IPSEC), and network authentication, including implementing secure network architectures, supporting multi‑tiered applications, and maintaining security configurations across Data Center network environments. Three (3) years of professional experience with traffic analyzers (Sniffers), Network Diagnostic and Management Tool Integration, Video over IP, and Voice over IP (VoIP), including the use of packet analyzers, network monitoring systems, and integrated diagnostic utilities to troubleshoot and optimize Data Center network communications. Three (3) years of professional experience analyzing or diagnosing system issues and coordinating efforts to resolve them, including troubleshooting Data Center network hardware and software problems, conferring with customers in high‑stress situations, and escalating time‑sensitive incidents to ensure timely resolution. Ability to troubleshoot complex network problems independently. Ability to analyze data logically and exercise sound judgement in defining and evaluating problems of an operational or procedural nature. Ability to gain and maintain effective working relationships with associates, vendors, clients, and others. Developed verbal and written communication skills to present technical information clearly and precisely to diverse audiences, including business users, development teams, agency executives, and others. Certifications in one or more of the following: Cisco Certified Network Professional (CCNP Enterprise, Security, or Data Center), Cisco Certified Network Associate (CCNA), Cisco Certified Support Technician (CCST Networking or Cybersecurity), CompTIA Security, CompTIA Network+, or other similarly related Cisco Network or Information Security certifications. Conditions of Employment NOTE: Applicants must possess the ability to meet ALL of the following conditions of employment, with or without reasonable accommodation, to be considered for this position. Requires the ability to verify identity. Requires employment authorization to accept permanent full‑time position with State of Illinois. Requires the ability to pass a position specific, agency required background check and requires self‑disclosure of criminal history. Requires a valid driver’s license and the ability to travel, including occasional overnight stays. Requires the ability to use agency supplied equipment such as laptop, personal computer, work cell phone, etc. Requires the ability to work overtime including scheduled, unscheduled, short notice, evening, weekends, and holidays. Requires the ability to work outside of normal hours to meet deadlines. Requires the ability to attend seminars, conferences, and training to remain current on methods, tools, ideologies, or other industry related topics relevant to job duties. Requires the ability to lift and carry objects or equipment weighing up to 30 pounds. This is considered medium work as defined by the U.S. Department of Labor (20 CFR 404.1567(c)). Medium work involves lifting no more than 50 pounds at a time with frequent lifting or carrying objects weighing up to 30 pounds. The conditions of employment listed are incorporated and/or related to any duties included in the position description. Work Hours: Monday-Friday 8:30am-5:00pm (work hours may vary) Headquarter Location: 201 W Adams St, Springfield, Illinois, 62704 Work County: Sangamon Agency Contact: View email address on click.appcast.io Posting Group: Science, Technology, Engineering & Mathematics This position DOES contain “Specialized Skills” (as that term is used in CBAs). The Department of Innovation & Technology (DolT) is the state’s IT agency delivering an enterprise approach to statewide technology, innovation, and telecommunication services, as well as policy and standards development, lifecycle investment planning, and cybersecurity services. With over 1,500 employees, DolT delivers IT services and innovative solutions to customer agencies to improve services provided to Illinois residents, DolT offers employees the opportunity to advance their careers, develop new skills and reach their potential, both personally and professionally. DoIT is committed to promoting and preserving a workplace culture that embraces diversity and inclusion. We welcome and value employees with different backgrounds, life experiences and talents. It is the collective sum of our individual differences that provides a broad perspective, leading to greater innovation and achievement. In recruiting for our team, we recognize the unique contributions of each applicant regardless of culture, ethnicity, race, national origin, sex, gender identity and expression, age, religion, disability, and sexual orientation. APPLICATION INSTRUCTIONS Use the “Apply” button at the top right or bottom right of this posting to begin the application process. If you are not already signed in, you will be prompted to do so. State employees should sign in to the career portal for State of Illinois employees – a link is available at the top left of the Illinois.jobs2web.com homepage in the blue ribbon. Non‑State employees should log in on the using the “ViewProfile” link in the top right of the Illinois.jobs2web.com homepage in the blue ribbon. If you have never before signed in, you will be prompted to create an account. If you have questions about how to apply, please see the following resources: Non‑State employees: on Illinois.jobs2web.com – click “Application Procedures” in the footer of every page of the website. The main form of communication will be through email. Please check your “junk mail”, “spam”, or “other” folder for communication(s) regarding any submitted application(s). You may receive emails from the following addresses: #J-18808-Ljbffr