Network Administrator

Salary : See Position Description

Location : Crystal Lake, IL

Job Type : Full Time

Job Number : 2025-24

Department : Information Technology

Opening Date : 09 / 18 / 2025

Under the general supervision of the Director of Information Technology, this individual is responsible for managing a variety of complex information technology duties within the City computer network systems and services, including but not limited to, local and wide area networks, servers, storage, telephony and audio / video equipment and software. This includes assisting with the planning, design, evaluation, implementation, securing, operating and optimizing these systems.

Nature of the work performed requires a professional manner in all dealings with the City and department staff. Work requires the exercise of considerable judgment, initiative, and discretion.

The successful candidate must have proven technical skills in various information technology applications and possess excellent analytical and problem solving skills along with excellent verbal and written communication skills. The ideal candidate will be a self-starter with the ability to work both independently and as part of a team. The candidate must also have outstanding organizational and time management skills, and be detail oriented with multi-tasking capabilities in a fast paced environment. Excellent customer service skills and a high level of integrity in dealing with confidential and sensitive information is essential.

Some essential job functions include :

• Actively monitor and maintain all managed technology systems, including performance, security and system availability.
• Install, maintain, monitor, upgrade and troubleshoot servers and system appliances, firewalls, intrusion prevention / detection systems, web content filters, switches and other infrastructure to ensure the security and integrity of the City's information systems.
• Document and maintain the system's networking addressing and routing required for effective connectivity and security, including IP addressing, virtual networking, server, domain and workstation identification.
• Ensure proper backups and provision critical systems to allow rapid recovery from failure or disaster to minimize the impact of these events on the City.
• Assist in the planning, design, implementation and support of special technology projects as necessary.
• Operate and optimize communications, network, server (including virtual) and storage hardware and software (on-premises and cloud-based) to address current and future requirements.
• Operate and optimize telephony hardware, software, and circuits.
• Operate and optimize internet connectivity hardware, software and circuits.
• Provide secondary support for microcomputer software and hardware questions and problems. Work with the Director of IT and other IT staff to enlist outside support or services as needed.
• Maintain support documentation including problem logs, troubleshooting quick references, installation procedures, etc.
• Provide secondary system level support for the City's critical systems, including the City's Enterprise Resources Planning System.
• Provide friendly and responsive customer service via the phone, in person, by e-mail, and via written business correspondence.

This position requires a combination of training and experience which provides the following minimum knowledge, abilities, and skills :

This position requires a Bachelor's degree of study in Business, Computer Science, or a related field; minimum of three years of previous experience or specialized training in Microsoft, Cisco, Aruba, and / or Fortinet networking design and support experience; minimum of two years of previous experience of IP telephony installation and support; previous experience with TCP / IP proficiency and troubleshooting cable issues; possession of CCNA and Microsoft Associate certification preferred; and previous experience in local government is desirable or an equivalent combination of experience and education that provides the required knowledge, skills, and abilities. A valid driver's license is also required.

Anticipated starting salary range is $95,924-$100,000 depending on qualifications, experience, and professional achievement. This position participates in the Illinois Municipal Retirement Fund (IMRF) defined benefit retirement pension plan with a competitive benefit package, including health, dental, vision and life insurance.

Hours are generally 8 : 00 AM - 5 : 00 PM, Monday through Friday.

Offers of employment are subject to successful completion of background check and drug screen. Qualified individuals interested in being considered for the position should submit an employment application, available at and attach a letter of interest with resume.

This position will remain open until filled. Applications will be considered as received.

The City of Crystal Lake is an Equal Opportunity Employer

The City of Crystal Lake provides an excellent benefit package to its full-time employees that includes medical, dental, vision, and life insurance as well as medical and dependent care flexible spending accounts, a retirement plan through Illinois Municipal Retirement Fund, paid holidays, paid vacation, and sick leave.