Senior Network Engineer

  • City of Lewisville
  • Lewisville, Texas, USA
  • Jun 16, 2025
Full time IT Manager Government

Job Description

Position Summary

Maintains the City network system and provides technical support to end users of network systems application software. Supervises the Network Engineer position.

Essential Functions

Management reserves the right to add, modify, change, or rescind the work assignments of different positions and to make reasonable accommodations so that qualified employees can perform the essential functions of the job.

  • Designs and maintains data center/campus networking, VOIP, and network security infrastructure.
  • Provides technical assistance with all hardware and software related to network infrastructure and troubleshoots issues as they occur.
  • Helps to define, recommend, and implement network, VOIP, and wireless enhancements, and changes.
  • Create and maintain documentation of enterprise infrastructure topology and system configurations.
  • Supports LAN/WAN communications for remote devices.
  • Supports Point-to-Point, Point-to-Multipoint wireless systems.
  • Requisitions needed supplies and equipment for network, VOIP, and wireless systems and hardware and software.
  • Performs all other related duties as assigned.   This also includes special projects that will be assigned from time to time or recurring projects assigned by manager.
  • Evaluates employee performance and counsels as needed to correct and improve performance.
  • Supervises, directs, and evaluates assigned staff, processing employee concerns and problems, directing work, counseling, disciplining and completing employee performance appraisals.

Position Qualifications

Education: Bachelor's Degree in a related field required.         

Experience4 years experience in Information Technology, including designing, configuring, administering, maintaining and a complex network environment, including LAN, WAN, and Cloud environments.

Licenses and Certifications: CCNA or equivalent certification required. Preferences will be given for CCNP, CWNP, ACMP and NSE-4 certifications. 

Any combination of related education, experience, certifications and licenses that will result in a candidate successfully performing the essential functions of the job is an acceptable substitute for the above specified education and experience requirements.

Conditions of Employment: Must submit to and pass a background check and pre-employment drug test. Must possess a valid State of Texas Driver’s License Class “C” and good driving record as defined by City policy. An applicant who does not possess a Texas Driver's License or proper class, will be allowed ten (10) working days after a job offer is made to obtain proper licensing.

REQUIRED KNOWLEDGE, SKILLS & ABILITIES

 Knowledge of:

  • Knowledge of networking current network technologies, standards, protocols, and hardware, including configuration and management of Cisco Nexus and Catalyst switches (including OSPF and BGP).
  • Knowledge of general office practices and procedures.
  • Knowledge of computer hardware component capabilities and communications.

 Ability to:

  • Ability to accept responsibility and account for his/her actions.
  • Ability to follow instructions, safety practices and standard operating procedures in performing assigned tasks.
  • Ability to be punctual and attend work regularly
  • Ability to work effectively with people regardless of their age, gender, race, ethnicity, religion, or job type.
  • Ability to perform work accurately and thoroughly.
  • Ability to communicate clearly and concisely, both orally and in writing.

 Skills:

  • Skilled in designing and maintaining secure networks, systems, and applications architecture 
  • Skilled in gathering and analyzing information and making recommendations 
  • Skilled in reading and interpreting technical documents 
  • Skilled in working independently or part of a team in delivering excellent customer service.


The City of Lewisville has reviewed this job description to ensure that essential functions and basic duties have been included. The above statements are intended to describe the general nature and level of work being performed and are not intended to be an exhaustive list of all functions, responsibilities, skills, and abilities, which may be required. Additional functions and requirements may be assigned by supervisors as deemed appropriate. The position also requires meeting the essential requirements of the Physical Demands and Working Conditions, with or without reasonable accommodation.

Levels of positions within a class series are distinguished by the level of responsibility assumed, the complexity of duties assigned, the independence of action taken, the nature of the public contact made, and the impact and span of tasks performed.

This job description is not an employment agreement or contract.  The City of Lewisville has the exclusive right to alter this job description at any time without notice.

Work Hours

Monday - Thursday 7:30am-5:30pm. Friday 7:30am-11:30am. Hybrid 2 days at home.

Occupations

Software-Web Training, IT Project Management, Computer-Electronics-Telecomm Install-Maintain-Repair, Systems Analysis - IT

Salary

$89,607.27 - $127,622.59 Annually