Data Center Network Security Engineer- Cook (Information System Analyst II, Opt.N)

Job Requisition ID:

59126 Opening Date:

09/25/2026 Closing Date:

10/09/2026 Agency:

Department of Innovation and Technology Class Title:

INFORMATION SYSTEMS ANALYST II - 21166 Skill Option:

Networking Bilingual Option: Salary:

Anticipated starting salary: $8,060 monthly; Full range: $8,060-$11,851 monthly Job Type:

Salaried Category:

Full Time 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: Work Hours:

Mon-Fri 8:30am-5:00pm (work hours may vary) Anticipated Hybrid Work Schedule Availability:

1 to 5 Days per week in office, depending on operational needs Headquarter Location:

555 W Monroe St, Chicago, Illinois, 60661 Work County:

Cook Agency Contact: 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. Why Work for Illinois?

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. 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 Data Center Network Security Engineer- Sangamon County for the DoIT, in performing complex hardware and software installations, designing specifications, developing, and modifying secure Data Center network communications, including related security components. In this role, you will assume accountability of deliverables, including maintaining accuracy, compliance with security standards, and alignment with organizational objectives. Additionally, you will collaborate with stakeholders to define secure architecture requirements and design specifications to Data Center security communications, including firewalls, micro-segmentation technologies, intrusion detection/prevention systems, network security appliances, application load balancers, internet filtering solutions, and supporting infrastructure. If you possess these knowledges, skills, abilities, and experience, we invite you to apply for this position to join the DoIT Team! As a State of Illinois employee, you receive a comprehensive benefits package including: 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 carryover 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

For more information regarding State of Illinois Benefits follow this link: Essential Functions

Under administrative direction, serves as a Data Center Network Security Engineer for Sangamon County for the Department of Innovation & Technology (DoIT) performing complex hardware and software installations, designing specifications, developing, and modifying secure Data Center network communications, including related security components. Collaborates with users/stakeholders to define secure architecture requirements and design specifications to Data Center security communications, including firewalls, micro-segmentation technologies, intrusion detection/prevention systems, network security appliances, application load balancers, internet filtering solutions, and supporting infrastructure. Configures, tests, and maintains diverse firewall models, application load balancers, micro-segmentation solutions, and network security systems such as Intrusion Detection (IDS), and Intrusion Prevention Systems (IPS) to safeguard critical infrastructure. 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 course work 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 in data center network security, including designing, implementing, documenting and maintaining secure architectures for on-premises and cloud environments in alignment with organizational and regulatory security standards, including experience with formal change control processes, configuration management and audit-ready documentation. Requires three (3) years of professional experience with enterprise firewall administration, including configuration, testing, maintenance, upgrades, and hardening of diverse firewall models (e.g. Palo/Cisco) to safeguard critical infrastructure, as well as implementing vendor-recommended firmware/software updates, coordinating vendor support, and resolving production incidents in high-availability environments. Requires three (3) years of professional experience with OSI Model Layers 1 through 7, network diagnostic tool integration, packet analyzers, and complex network troubleshooting, including administration of enterprise security systems and traffic analysis using tools including Wireshark and Panorama and participation in incident response, root cause analysis and SLA-driven break/fix operations using enterprise monitoring platforms. Requires three (3) years of professional experience with data center and cloud network security architecture, including micro-segmentation technologies, application load balancers, traffic management and internet/content filtering solutions supporting muti-tiered applications, including capacity planning, performance optimization, vulnerability assessment, and collaboration with stakeholders to define secure architecture requirements. Preferred Qualifications

Three (3) years of professional experience in data center network security, including designing, implementing, documenting and maintaining secure architectures for on-premises and cloud environments in alignment with organizational and regulatory security standards, including experience with formal change control processes, configuration management and audit-ready documentation. Three (3) years of professional experience with enterprise firewall administration, including configuration, testing, maintenance, upgrades, and hardening of diverse firewall models (e.g. Palo/Cisco) to safeguard critical infrastructure as well as implementing vendor-recommended firmware/software updates, coordinating vendor support, and resolving production incidents in high-availability environments. Three (3) years of professional experience with OSI Model Layers 1 through 7, network diagnostic tool integration, packet analyzers, and complex network troubleshooting, including administration of enterprise security systems and traffic analysis using tools such as Wireshark and Panorama and participation in incident response, root cause analysis and SLA-driven break/fix operations using enterprise monitoring platforms. Three (3) years of professional experience with data center or cloud network security architecture, including micro-segmentation technologies, application load balancers, traffic management and internet/content filtering solutions supporting multi-tiered applications including capacity planning, performance optimization, vulnerability assessment, and collaboration with stakeholders to define secure architecture requirements. Three (3) years of experience with intrusion detection and protection systems (IDS/IPS), Domain Name Services (DNS) administration, including analysis of security events and implementation of mitigation strategies to ensure secure and efficient traffic flow. Three (3) years of professional experience in technical project coordination, including multitasking across complex security initiatives, collaborating with stakeholders and vendors, supporting change control processes and strategic planning for data center network security implementations. Ability to analyze data logically and exercise sound judgement in defining and evaluating problems of an operational or procedural nature. Ability to lead and coordinate cross-functional teams, aligning individual contributions toward shared goals to consistently deliver high-impact results. Developed verbal and written communication skills to present technical information clearly and precisely to diverse audiences, including business users, development teams, and agency executives. Certifications in one or more of the following: Cisco Certified Network Professional (CCNP) Security, Cisco Certified Internetwork Expert (CCIE) Security, CompTIA Security, Certified Information Security Manager (CISM), Routing and Switching, Palo Alto Networks Certified Network Security Engineer (CCSE), or similar relevant certification(s) in Information Security. 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 the ability to travel in performance of duties. Requires the ability to work overtime including scheduled, unscheduled, short notice, evening, weekends, and holiday. 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. Requires adherence to the revolving door restrictions outlined in 5 ILCS 430/5-45. Consequently, employees should be aware that in the event of receiving a non-State employment offer during state employment or within one year immediately following the termination of State employment, they are required to inform the Office of the Executive Inspector General for the Agencies (OEIG) of the Illinois Governor before accepting such non-State employment. Failure to notify the OEIG may result in the imposition of a fine. Requires compliance with the provisions outlined in section 4A-101 of the Illinois Governmental Ethics Act, necessitating the occupant of this position to file of a Statement of Economic Interest. Pursuant to the Illinois Governmental Ethics Act (5 ILCS 420/4A et seq.), specific state officials and employees are required to annually submit Statements of Economic Interest to the Office of the Secretary of State, which will be accessible to the public for examination and copying. Employees subject to this requirement must also file a Supplemental Statement of Economic Interest with the Executive Ethics Commission, as specified in Executive Order 15-09. Failure to submit these statements in a timely manner may result in fines and penalties. The conditions of employment listed are incorporated and/or related to any duties included in the position description. 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. Revolving Door

: Certain provisions of the revolving door restrictions contained in 5 ILCS 430/5-45 apply to this position. As a result, the employee should be aware that if offered non-State employment during State employment or within one year immediately after ending State employment, the employee shall, prior to accepting any such non-State employment offer, notify the Office of the Executive Inspector General for the Agencies of the Illinois Governor (“OEIG”) or may be subject to a fine. Statement of Economic Interests

: This position is subject to Statement of Economic Interests filing as required by the Illinois Governmental Ethics Act. This position DOES contain “Specialized Skills” (as that term is used in CBAs). 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 “View Profile” 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: State employees: Log in to the career portal for State employees and review the Internal Candidate Application Job Aid 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: