Senior Network Systems Administrator

Salary : $102,729.84 - $138,443.04 Annually
Location : Los Angeles County, CA
Job Type: Full time
Job Number: M2560A-FR
Department: CHIEF EXECUTIVE OFFICE
Opening Date: 10/23/2026

Position/Program Information
TYPE OF RECRUITMENT: OPEN COMPETITIVE - EMERGENCY

The application filing period will begin on Friday, October 23, 2026at 1:00p.m. (Pacific Time) with a deadline of Wednesday, October 28, 2026 at 5:00 p.m. (Pacific Time).

The exam will reopen as the needs of the service require.

EXAM NUMBER: M2560A-FR

The Chief Executive Office is seeking qualified candidates to fill emergency Senior Network Systems Administrator vacancies related to this unprecedented natural disaster.

Applicants will be processed on an as-received basis and those who meet the requirements may be hired on a temporary basis for up to 90 days.

During your initial work period, you will be assessed on your work performance. This assessment will be weighted 100%.

Those who successfully pass the assessment will be considered for permanent appointment to Senior Network Systems Administrator.

Essential Job Functions

• Performs the more complex network and server administration functions, including configuring, installing, repairing, maintaining, and upgrading hardware and operating systems.

• Installs, customizes, configures, troubleshoots, tests and optimizes moderate to complex network software and physical infrastructure designs.

• Designs and implements network security solutions, including elements such as end user roles and groups, trust relationships, access rights, and directories.

• Performs VLAN configuration to support the installation and maintenance of services over Internet Protocol (IP)such as audio, video and data.

• Analyzes network resource utilization and implements solutions to correct problems to ensure all network applications are accessible and functioning properly.

• Identifies and recommends appropriate changes to network infrastructure to improve performance, reliability and availability.

• Develops and recommends procedures for network management, including resource allocation of centralized, decentralized and remote network services.

• Plans and installs hardware upgrades for network servers, gateways, and associated telecommunication devices.

• Identifies and resolves complex network problems; uses network management tools.

• Ensures network security according to policies and procedures and documents information security processes.

• Participates in or performs the selection, development, and implementation of backup and recovery solutions.

• Tracks network assets.

• May design and maintain more complex network architecture, including hubs, routers and physical network.

• May conduct analysis and participate in implementation planning for new applications.

• May conduct analysis in support of data center planning.

• May provide in-depth support for information security incidents including internal violations, hacker attacks, viruses and system access.

• May research and evaluate network and server hardware and software options and upgrades including updates, patches, and service packs.

• May lead a network support team.

Requirements

MINIMUM REQUIREMENTS:

TRAINING AND EXPERIENCE:
Graduation from an accredited college or university with a bachelor's degree* in Computer Science, Information Systems, or a closely related field and three (3) years of recent full-time, paid experience in LAN design, configuration, and administration. -OR- One (1) year of experience at the level of Network Systems Administrator II** -OR- Four years of recent, progressively responsible experience in LAN design, configuration, and administration.

LICENSE:
A valid California Class C Driver License or the ability to use an alternative method of transportation when needed to carry out job-related essential functions.
PHYSICAL CLASS:
3 - Moderate.

You MUST meet the above requirement(s) in order to be appointed to fill any vacancies related to this recruitment.
SPECIAL REQUIREMENTS:
*In order to receive credit for a Bachelor's Degree or higher degree, you MUST attach a legible copy of your "official" diploma, "official" transcripts, or "official" letter from an accredited institution which shows the area of specialization at the time of filing. If you are unable to attach the required documents at the time of filing, you must email to estranger@hrlacounty.gov. Please ensure to indicate the examination title and number on the subject of your email.
**Experience at the level of County of Los Angeles class of Network Systems Administrator II: Responsible for the daily operation and administration of network and server operating system environments. Under general supervision, incumbents perform network monitoring and/or network administration duties within established standards and guidelines using independent judgment.
Additional Information
Examination Content: During your initial work period, the appointing department will evaluate your performance. Those who achieve a passing score on this evaluation will be considered for permanent appointment.

Application & Filing Information: Applications must be filed online only and will be reviewed for interview consideration on an ongoing basis. If you have not been contacted within 60 days and the recruitment remains open or reopens for filing, we encourage you to submit a new application. This will allow you to reaffirm your interest and update any relevant information.
Many important notifications will be sent electronically to the email address provided on the application, so it is important that you provide a valid email address. Please add , as well as , and to your email address and list of approved senders to prevent email notifications from being filtered as spam/junk/clutter mail.
You have the ability to opt out of emails from LA County. If you unsubscribe, you will not receive any email notification for any examination for which you apply with Los Angeles County. Regardless of whether you choose to unsubscribe, you can always check for notifications by logging into and viewing your profile inbox, which saves a copy of all emailed notices.
Plan to submit your online application well in advance of the deadline as you may be required to verify your email address. This only needs to be done once per email address, and if you already have a job seeker account on , you can verify at any time by logging in and following the prompts. This is to enhance the security of your online application and to ensure you do not enter an incorrect email address.

SOCIAL SECURITY NUMBER: Please include your Social Security Number for record control purposes. Federal law requires that all employed persons have a Social Security Number.

NO SHARING OF USER ID AND PASSWORD: All applicants must file their application online using their own user ID and password. Using a family member's or friend's user ID and password may erase a candidate's original application record.

COMPUTER AND INTERNET ACCESS AT PUBLIC LIBRARIES: For applicants who may not have regular access to a computer or the internet, you may borrow laptops and Wi-Fi hotspots from some public libraries throughout Los Angeles County to complete job applications.

Department Contact: Emily StrangerEmail:
Teletype Phone: (800) 899-4099
California Relay Services Phone: (800) 735-2922

COUNTY OF LOS ANGELES

Employment Information

Any language contained in the job posting supersedes any language contained below.

This document is intended to provide general information about the recruitment process of the County of Los Angeles. Applicants with questions about a specific job posting should contact the exam analyst listed on the posting.

For detailed information, please click
01

The information you provide on this supplemental questionnaire will be evaluated and used to determine your eligibility to participate in the next phase of the examination process. CHECK YOUR ANSWER CAREFULLY. Any mistakes you make and/or any incomplete responses you provide in completing these questions will be used to disqualify your application even if you possess the qualifying experience or education. Be specific as possible and include all information requested. Comments such as "see resume or application" will not be considered as a response. All information is subject to verification at any time in the examination and hiring process. Falsification of any information may result in disqualification or dismissal.

• I understand the above information and instructions.

02

Have you graduated from an accredited college or university with a bachelor's degree in Computer Science, Information Systems, or a closely related field?

• Yes.
• No.

03

How many years of recent full-time, paid experience in LAN design, configuration, and administration do you have?

• Less than 3 years of experience.
• At least 3 years of experience.
• I do not have this experience.

04

Please describe your recent full-time, paid experience in LAN design, configuration, and administration. If you do not have this experience, type "N/A" in the box below.
05

How many years of experience do you have at the level of Network Systems Administrator II?

Experience at the level of County of Los Angeles class of Network Systems Administrato