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LAN Field Operations Network Engineer; Information Systems Analyst II, Opt. N

Job in Springfield, Sangamon County, Illinois, 62777, USA
Listing for: Illinois Department of Innovation & Technology (DoIT)
Full Time position
Listed on 2026-10-11
Job specializations:
  • IT/Tech
    Network Engineer, Cybersecurity, IT Support, Systems Engineer
Salary/Wage Range or Industry Benchmark: 85000 - 120000 USD Yearly USD 85000.00 120000.00 YEAR
Job Description & How to Apply Below
Position: LAN Field Operations Network Engineer (Information Systems Analyst II, Opt. N)

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 LAN FO Network Engineer performing complex, professional advisory and technical functions for Local Area Network (LAN) Services supporting multiple statewide applications.

The ideal candidate will have experience in Cisco LAN switching configuration and troubleshooting, Transmission Control Protocol/Internet Protocol, Quality of Service, VLAN design, DNS/DHCP, Network Diagnostic and Management Tool Integration (Traffic analyzers) Sniffers, Wireless LAN configuration and troubleshooting, and LAN design and capacity planning. 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 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.
For more information regarding State of Illinois Benefits follow this link: https://www
2.illinois.gov/cms/benefits/Pages/default.aspx
Essential Functions
  • Under administrative direction, serves as a Local Area Network (LAN) Field Operations (FO) Network Engineer for the Department of Innovation & Technology (DoIT) performing complex professional and advisory functions in Network Services, including troubleshooting, configuring, and resolving issues reported by customers and monitoring systems.
  • Meets with users to determine layout and specifications to design, develop, and modify complex network communications, including various LAN components such as routers, switches, wireless access points, cabling, etc. and assumes accountability of associated work products within the statewide network.
  • Performs complex hardware and software staging and installation, including testing and maintaining LAN switches, and wireless access devices, by conducting physical installation and configuration of equipment.
  • 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 four (4) years of college with course work in computer science or directly related fields.
  • Requires three (3) years of professional experience in LAN Services, Networking Services, or a related Information Technology field.
Specialized Skills
  • Requires three (3) years of professional experience providing enterprise level computer networking support including installing and troubleshooting complex network problems independently.
  • Requires three (3) years of professional experience in Transmission Control Protocol/Internet Protocol (TCP/IP), Quality of Service, VLAN design, and DNS/DHCP.
  • Requires three (3) years of professional experience in network security, network diagnostic and management tool integration such as traffic analyzers (fluke cable systems, Solar Winds or OpManager).
  • Requires three (3) years of professional experience with wireless LAN configuration and troubleshooting, LAN design, and capacity planning.
Preferred Qualifications
  • Three (3) years of professional experience providing enterprise level computer networking support including installing and troubleshooting complex network problems independently.
  • Three (3) years of professional experience in Transmission Control Protocol/Internet…
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