Senior Network & Security Administrator

Cucamonga Valley Water District (CA); California; On-site; USD 90,000 - 125,000; Full time

Job summary

Cucamonga Valley Water District (CVWD) is seeking a Network Administrator to build, secure, and strengthen the technology that supports essential water services. The role covers enterprise systems, network infrastructure, cloud technologies, and cybersecurity, enabling reliable operations for the community.

Ideal candidates will have extensive experience with enterprise IT, relevant degree, and IT security certifications.

Qualifications

• Five years of progressive experience operating and supporting enterprise systems, database applications, design and development; installing and maintaining enterprise software; and programming and systems analysis experience; installing and troubleshooting networks, Cloud, Windows server operating systems, Microsoft O365, Active Directory, and networked equipment including fiber optics.
• Five years of experience administrating, configuring, maintaining, and upgrading LAN/WAN hardware and operating systems.
• Bachelor's Degree in Information Technology, Computer Science, MIS, or related field; IT security certifications such as CCNA/CCNP.

Responsibilities

• Install and maintain networks and servers; train IT staff on servers, network equipment, firewalls, and enterprise systems.
• Maintain and operate office equipment including VOIP phones, backup appliances, scanners, and peripheral devices.
• Develop and maintain enterprise software and cloud infrastructure needs; document data systems and network infrastructure.
• Monitor networks and logs; respond to issues and adjust configurations as needed.
• Support security, risk management, auditing, and disaster recovery planning; ensure compliance with standards.
• Manage backups and data retention; ensure data integrity and availability.

Skills

Enterprise network administration

Cybersecurity

Cloud infrastructure

Firewall configuration

Windows Server / AD

LAN/WAN design

SIEM

Project management

Networking troubleshooting

Documentation

Education

Bachelor's Degree in Information Technology/CS/MIS

CCNA/CCNP certification

Tools

Cisco networking equipment

Windows Server

Active Directory

O365

Cloud infrastructure

Job description

Join a team of dedicated professionals who help protect the systems that support one of our community's most essential resources: water. Cucamonga Valley Water District (CVWD) is seeking a skilled and strategic Network Administrator to build, secure, and strengthen the technology that helps deliver safe, reliable water to our community. This is a critical role supporting enterprise systems, network infrastructure, cloud technologies, and cybersecurity. If you're an experienced IT professional with advanced technical expertise and a passion for protecting mission-critical systems, we'd like to hear from you.

FILING DEADLINE

This recruitment is open until a sufficient number of applications are received. Candidates are highly encouraged to apply early. The first round of interviews is tentatively scheduled for Thursday, September 3, 2026.

PLEASE NOTE THAT THIS RECRUITMENT MAY CLOSE AT ANY TIME WITHOUT PRIOR NOTICE.

JOB DESCRIPTION:

DEFINITION

To perform a wide variety of specialized professional support duties for the Information Technology Division including but not limited to configuring, maintaining, and troubleshooting network systems, servers and enterprise systems to support the operational needs of the District; assisting in diagnosing and resolving network hardware, software, and connectivity issues; and performing related duties as assigned.

DISTINGUISHING CHARACTERISTICS

The Network Administrator is the experienced advanced journey level. Incumbents in this class are distinguished from the Information Technology Specialist II by the performance of the full range of duties assigned. At this level incumbents perform the more complex and specialized workloads while exercising broader discretion and independent judgment within established guidelines. Emphasis is on enterprise systems, network equipment, security and WAN equipment. Employees at this level assist the Information Technology Manager with budget, Cyber Security mitigation, Master Plan, and Disaster Recovery plan activities and may act on his/her behalf in his/her absence if appointed.

SUPERVISION RECEIVED AND EXERCISED

Direct supervision is received from the Information Technology Manager.

ESSENTIAL AND MARGINAL FUNCTION STATEMENTS

Essential and other important responsibilities and duties may include, but are not limited to, the following:

Essential Functions:

Install, support, provide maintenance of networks and servers; participate in training other I.T. staff members on servers, network equipment, firewalls, and enterprise systems.
Maintain and operate a variety of office equipment like phone systems, backup appliances, VOIP desk phones, scanners, and other peripheral equipment.

1. Develop and maintains enterprise software, database programs, support Microsoft and other cloud infrastructure needs.

Maintain documentation of data systems and network infrastructure.
Monitor network, systems, printers, job queues, spooled output, job logs and historical logs; adjust as necessary.
Experience in security, operations, control assessment, risk management, auditing, and/or internal controls.
Modify or enhance existing programs to meet users’ needs; troubleshoot and perform repairs and adjustments to computer systems and peripheral equipment.
Support office machines such as copiers, phone systems, cell phones, and mail processing equipment.
Administrate system backup, data retention and recovery of data files.
Maintain current knowledge of computer systems and software.
Perform needs analysis; determine project feasibility; estimate programming and implementation time for database applications.
Perform systems support functions for Windows-based servers and network equipment operating in a LAN/WAN environment.
Prepare specifications, process and system requirements for network; firewalls, core systems, develop new or revised procedures to attain desired objectives.
Expert-level knowledge of security systems such as SIEM, IPS firewalls, and related network security tools.
Ability to manage effectively and work closely with business leaders in a high-pressure, fast-paced, highly collaborative environment with multiple deadlines and competing priorities.
Strong understanding of encryption, security certificates and advanced authentication measures.
Knowledge of common information security management frameworks, such as NIST, CIS, ISO 27001, COBIT, or PCI DSS.
District employees are expected to work overtime, weekends, evenings, and holidays as required to accommodate the District's needs, in addition to serving as Disaster Emergency Service Workers.
Regular attendance at the work site.

Marginal Functions:

1. Perform related duties and responsibilities as required.
2. Performs security assessment/penetration testing for system, infrastructure, applications, databases, and cloud computing.
3. Participate in setting strategic planning and reporting on budget, disaster planning.
4. May be designated to act on behalf of the Information Technology Manager in his absence.
5. Perform maintenance and support of firewalls, routers, network equipment and work with outside vendors supporting these devices.

KNOWLEDGE, SKILLS, AND ABILITIES

Knowledge of:

Advanced computer hardware and software knowledge.
Operation and use of operating systems using District-standard software.
Word processing, spelling, punctuation, grammar skills using District-standard software.
Database and spreadsheet principles using District-standard software.
Principals and techniques of documentation.
Methods and techniques of technical drawing.
Modern office procedures, methods, and equipment.
Application analysis, design, programming, testing, and debugging.
Methods and techniques of website maintenance.
Operations, services and activities of an Information Technology department.
Programming languages and applications appropriate to assigned functional area.
Principles and practices of project management, work planning, and status reporting.
Systems operations and management applications for a variety of operating systems.
Techniques and procedures of database management.
Pertinent Federal, State and local codes, laws and regulations.
Principles and practices of systems analysis and design.
Expert level Firewall policy expertise and configuration.
Principles of customer support and service.
Methods and procedures of network design, maintenance, and management, including LAN, WAN,
Intranet, and Internet.
Expert Network Switch and Core configuration.
Expert level cloud infrastructure configuration and maintenance.
Methods and procedures of telephone systems and networked office equipment.

Ability to:

Analyze and resolve application problems, as well as software and hardware integration.
Troubleshoot and correct problems with computer hardware and software.
Develop application documentation and user manuals.
Assist users with daily problems in both hardware and software operation.
Operate a variety of data processing equipment in a safe and effective manner.
Develop training material and effectively provide training classes and user support.
Prepare clear and concise reports and communications.
Communicate clearly and concisely, both orally and in writing.
Prepare clear and concise written materials, including documentation, user instructions and periodic and
special reports.
Explain technical information to non-technical users.
Work independently in the absence of supervision.
Understand and follow oral and written instructions.
Establish and maintain effective working relationships with those contacted in the course of work.
Maintain alert mental capacity that allows the capability of making sound judgments and decisions and
demonstrating intellectual capabilities.
Maintain physical condition appropriate to the performance of assigned duties and responsibilities.
Maintain effective audio-visual discrimination and perception needed for making observations,
communicating with others, reading, writing and operating assigned equipment.
Develop solutions and recommend technology to provide target business outcomes.
Work over, under, around and behind various office furniture and equipment.
Move, lift, and carry equipment weighing 50 pounds without assistance.

REQUIRED QUALIFICATIONS

Any combination of experience and training that would likely provide the required knowledge and abilities is qualifying. A typical way to obtain the knowledge, skills, and abilities would be:

• Five (5) years of progressive experience operating and supporting enterprise systems, database applications, design and development; installing and maintaining enterprise software; and programming and systems analysis experience; installing and troubleshooting networks, Cloud, Windows server operating systems, Microsoft O365, Active Directory, and networked equipment including fiber optics.
• Five (5) years of experience administrating, configuring, maintaining, and upgrading LAN/WAN hardware and operating systems.

• Possession of a Bachelor's Degree in Information Technology, Computer Science, Management Information Systems, or related fields.
• Certifications in Information Technology, Networking, or Systems Administration with an emphasis on IT security.

• Possession of a certification in administrative network equipment such as Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP).

• Certified Information Systems Security Professional (CISSP)
• VMwareCertifiedProfessional(VCP)Certification.
• VMwareCertifiedTechnicalAssociate(VCTA)Certification.
• PaloAltoCertifiedNetworkSecurityAdministrator(PCNSA).
• Master’s Degree in Information Technology or related fields.

• Possession of a valid California Class C driver's license and a satisfactory driving record.

Job Title	Network Administrator
Experience
Education/Training
Required License/Certification
Desirable Degree/License/Certification
DMV Class

PHYSICAL DEMANDS AND WORKING ENVIRONMENT

The physical demands and working environment demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this class. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential job functions.

Environment:

Standard office setting; frequent interaction with District staff and the general public.

Physical:

Incumbents require sufficient mobility to work in an office setting; stand and sit for prolonged periods of time; operate office equipment including computer keyboard; light lifting and carrying; ability to verbally communicate to exchange information; use of hands and fingers repetitively to operate, handle or feel office equipment and reach with hands and arms. Employees are frequently required to stand and walk.

Mental:

While performing the duties of this class, the employee is regularly required to use written and oral communication skills; read and interpret data, information and documents; analyze and solve problems; observe and interpret situations; learn and apply new information or skills; perform highly detailed work; work on multiple concurrent tasks; work with frequent interruptions; work under intensive deadlines; interact with District managers, staff, vendors, the public and other encountered in the course of work.

Vision:

See in the normal visual range with or without correction; vision sufficient to read computer screens and printed documents; and to operate assigned equipment.

Hearing:

Hear in the normal audio range with or without correction.