Network Administrator/Senior Network Administrator

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We have one vacancy available. Please review both experience levels to determine the best match for your skills and background.

Applicants are required to attach a resume.

ESSENTIAL FUNCTIONS (BOTH NETWORK ADMINISTRATOR LEVELS): Essential functions, as defined under the Americans with Disabilities Act, may include any of the following representative duties, knowledge, and skills.  This is not a comprehensive listing of all functions and duties performed by incumbents of this class; employees may be assigned duties which are not listed below; reasonable accommodations will be made as required.  The job description does not constitute an employment agreement and is subject to change at any time by the employer.  Essential duties and responsibilities may include, but are not limited to, the following: 

• Responsible for the maintenance, configuration, reliable operation, and security of the City's networking infrastructure for on-premise and cloud systems consistent with IT policy and processes.
• Monitors performance and security of all responsible systems.
• Maintains security and facilities management for the datacenter and equipment rooms.
• Install and upgrade network hardware and software.
• Assists in developing automation processes for on-premise and cloud-based network systems.
• Builds, operates, and manages physical and cloud networking infrastructure, both production and non-production instances.
• Supports information security activities, initiatives, policies, procedures, and programs.
• Manages the City's networking infrastructure, including performance tuning, capacity management, provisioning, and backup processes.
• Monitors and/or reviews system activity (up to and including user experience), progress, and performance reports, to ensure accurate, appropriate, and effective use of systems, including documentation, long-range requirements, and operational guidelines, to continually seek opportunities for improvement.
• Handles technical support issues and ensures effective solutions are identified in a timely manner.
• Takes ownership of critical system issues and ensures the problem is resolved effectively.
• Troubleshoots hardware and software errors by running diagnostics, documenting problems and resolutions, prioritizing problems, and assessing the impact of issues.
• Provides documentation and technical specifications to IT staff for planning and implementing new hardware, software, or upgrades of IT infrastructure.
• Collaborates closely with other IT staff to become familiar with the software, systems, and processes to drive engagement and find ways to improve the security and performance of City systems.
• Performs regular backup operations and implement appropriate processes for data protection, disaster recovery, restore points, and failover procedures.
• Responsible for defining and verifying timely patching and updates to network systems.
• Assists in identifying, planning, and migrating on-premise servers and software to cloud-based systems.
• Assists in setting hardware and software configuration standards and participates in acquisition decisions.
• Assists in planning, executing, monitoring, controlling, and closing out projects.
• Carries out the technical processes related to network implementations, changes, and upgrades.
• Performs other duties as assigned.

SPECIFIC FUNCTIONS:

Network Administrator

• Performs technical work on non-critical systems to ensure they meet the specific technical requirements of the business systems they are intended to support.
• Configures devices, monitors network performance, troubleshoots issues, and ensures network security.
• Configures routers, switches, firewalls, and other network devices.
• Monitors network performance, traffic, and security.
• Troubleshoots, diagnoses, and resolves network issues.
• Implements security measures to protect the network.
• Assists with enterprise network system design, specification, and support.
• Understands basic security principles, network protocols, and common attack vectors.
• Monitors security alerts and incidents.
• Conducts vulnerability assessments.
• Implements security controls.
• Assists in incident response.
• Participates in analyzing, documenting, and designing network systems.
• Participates in projects related to network implementations, changes, and upgrades.

Senior Network Administrator

• Performs technical work on City systems to ensure they meet the specific technical requirements of the business systems they are intended to support.
• Creates network architectures based on business requirements, implement new technologies, and optimize network performance.
• Configures devices, monitors network performance, troubleshoots issues, and ensures network security.
• Creates network blueprints and plans network expansions.
• Deploys new network components and technologies.
• Optimizes network performance and scalability.
• Implements security measures to protect the network.
• Assists with and makes recommendations for the design, specification, and support of enterprise network systems.
• Understands encryption algorithms, secure coding practices, risk assessment methodologies, security principles, network protocols, and common attack vectors.
• Designs and implements security solutions.
• Manages firewalls, intrusion detection/prevention systems, and encryption protocols.
• Investigates complex security incidents.
• Collaborates with other IT teams to enhance security posture.
• Analyzes, documents, and assists in designing network systems.
• Leads projects related to network implementations, changes, and upgrades within IT and participates in projects led by others.
• Works with contractors performing work on City systems and validates recommendations and changes with support from peers.

MINIMUM QUALIFICATIONS (BOTH LEVELS):

Knowledge of:

• Networks, Servers, Windows desktops, relational database management systems, and enterprise software applications (web-based, cloud-based, and server-based).
• Network administration and concepts.
• Cisco VoIP telephone systems, including voicemail, emergency responders, and call centers.
• Wireless networking administration and concepts.
• Wide area network (WAN) and local area network (LAN) design, implementation, and management.
• Firewall and load balancer administration.
• OSI model and concepts.
• Change control and documentation processes.
• Computer programming tools to prepare scripts and programs to manage enterprise software and hardware systems.
• Microsoft Azure, including Virtual Machines, Azure Storage, and Networking services.
• Handling information restricted to specific persons.
• Compliance and security standards and practices such as CJIS, HIPAA, and PCI. 

Skill in:

• Communicating effectively both orally and in writing.
• Establishing and maintaining effective working relationships with peers, clients, citizens, and vendors.
• Collaborating and communicating with non-technical staff, system stakeholders, and managers.
• Reading and understanding technical manuals, policies, procedures, and system documentation.
• Writing clear, accurate, timely documentation.
• Performing arithmetic and making calculations of computer or network capacity.
• Making simple projections and forecasts.
• Exercising sound judgment in interpretations and decisions.
• Problem-solving, thinking analytically, and time management.

PHYSICAL DEMANDS AND WORKING ENVIRONMENT

Standing, sitting, walking, lifting, carrying, pushing, pulling, reaching, handling, fine dexterity, crouching, bending, vision, hearing, talking, and use of foot controls.

SPECIFIC EDUCATION AND EXPERIENCE:

Network Administrator:

An associate's degree in an information technology-related field and one (1) to three (3) years of relevant job experience, or a minimum of three (3) years of relevant job experience without a degree.

Senior Network Administrator:

A bachelor's degree in an information technology-related field and two (2) to six (6) years of relevant job experience, or a minimum of six (6) years of relevant job experience without a degree.

LICENSES AND CERTIFICATION REQUIREMENTS

Valid Class "C" Texas driver’s license required. Out-of-state license holders must have a valid license and provide a three-year driving history.

Certifications preferred: Cisco CCNA, Aruba Certified Network Technician (ACNT), Microsoft Azure Administrator (AZ-104), Cloud+, Project+

Network Administrator:

Required within one (1) year of hire date: Microsoft AZ-900 certification.

Additional preferred: Microsoft Azure Network Engineer (AZ-700), Network+, Security+

Senior Network Administrator:

Required within one (1) year of hire date: CompTIA Network+ and Microsoft AZ-900 certification.

Additional preferred: Microsoft Azure Network Engineer (AZ-700), Security+, CITP, ITIL Foundation

Candidates selected to move forward in the review process will be required to complete fingerprint screening to confirm eligibility for Criminal Justice Information System (CJIS) clearance, in addition to the standard pre‑employment process.

HIRING RANGE:

Network Administrator: $79,417.00 - $99,486.40, annually.

Senior Network Administrator: $91,931.84 - $115,169.60, annually.

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