SENIOR NETWORK SYSTEMS ADMINISTRATOR

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SENIOR NETWORK SYSTEMS ADMINISTRATOR

Los Angeles County Los Angeles, California, United States

Job Description:

SENIOR NETWORK SYSTEMS ADMINISTRATOR

Description

Position/Program Information

TYPE OF RECRUITMENT

We welcome applications from everyone.

APPLICATION FILING PERIOD

Applications will be accepted beginning Wednesday, February 11, 2026 at 8:00 a.m. through Tuesday, February 24, 2026 before 5:00 p.m. (PT)

EXAM NUMBER

R2560N-R

Who are we looking for?

County of Los Angeles is recruiting for highly motivated and career minded individuals to fill the position of Senior Network Systems Administrator. We invite you to explore the possibility of joining a team who will turn challenges into opportunities and share the future of public sector IT!

With more than 10 million residents, Los Angeles County is the most populous county in the nation. As the largest employer in Southern California, over 112,000 employees in more than 36 departments, we provide vital public services as diverse as law enforcement, property assessment, public health protection, water conservation, cultural activities and many more.

We are dedicated professionals committed to preserving the dignity and integrity of the workplace as well as protecting the rights of each employee. With more than 2,300 different job descriptions, the County offers a lifetime of opportunities and careers! We offer one of the strongest public-sector benefits packages in the nation. Join us and discover a rich selection of health care options, robust retirement plans, and the flexibility to work, relax, and rejuvenate in order to reach your fullest personal and professional potential.

Check Out Our Outstanding Benefits! Click here to see a list of employee benefits.

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Essential Job Functions

For more information, please view the classification specification: Senior Network Systems Administrator .

Requirements

REQUIREMENTS TO QUALIFY:
Option I: A Bachelor's degree from an accredited* college or university in Computer Science, Information Systems, or a closely related field -AND- three (3) years of full-time experience in a centralized Information Technology organization** within the last five (5) years in LAN design, configuration, and administration.

Option II : Four (4) years of progressively responsible, full-time experience in a centralized Information Technology organization** within the last five (5) years, involving increasing complexity and scope of responsibility 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 III - Moderate: This class requires that the incumbent stand or walk most of the time with bending, stooping, squatting, twisting, reaching, working on irregular surfaces, occasional lifting of objects weighing over 25 pounds, and frequent lifting of 10-25 pounds.

SPECIAL REQUIREMENT INFORMATION:
*To receive credit for your education, include a legible copy of your official diploma, official transcript, or letter/certificate from an accredited institution within seven (7) calendar from the last day of filing. The document should show the date the degree was conferred and be in English. Applicants with degrees from foreign universities may need to provide an evaluation of U.S. equivalency and official translation of the degree to English. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf and https://file.lacounty.gov/SDSInter/dhr/205105_PPG_123_ACE_Resource_Guide.pdf .

** A centralized Information Technology organization, which is under the direction or guidance of the Chief Information Technology official for the department or major organizational unit, is responsible for providing comprehensive IT services including analysis, design, acquisition, and/or development, implementation, maintenance, or support of information systems; and in which the work performed is in direct relationship to the IT requirements and initiatives of the department or major organizational unit.

Withhold Information
 No withhold will be allowed. Required experience must be fully met by the last day of filing, and clearly indicated on the application.

Endorsement of County Qualifications
If you performed work that differs from the duties described in your class specification and you believe qualifies you for this opportunity, please describe the out-of-class duties in detail in the Work Experience and Supplemental Questions sections of their application. We also encourage you to submit any supporting documentation such as out of class/additional responsibility bonuses, verification of experience documents, and performance evaluations in order to assist our review of your qualifications.

Additional Information

OUR ASSESSMENT PROCESS:
Once we verify that you meet the requirements, we will invite you to take theassessment of the proficiencies required for this job , this examination will consist of:

Part I : Multiple choice and/or simulation assessments, weighted 40%, measuring:


Candidates must achieve a passing score of 70% or higher on Part I in order to be invited to Part II of the examination.

Part II : Multiple choice and/or simulation assessments, weighted 60%, measuring:


Applicants must meet the selection requirements and achieve a passing score of 70% or higher on each weighted part of the examination in order to be placed on the eligible list.

MULTIPLE-CHOICE AND/OR SIMULATION ASSESSMENT(S) ARE NOT REVIEWABLE BY CANDIDATES PER CIVIL SERVICE RULE 7.19.

Scores cannot be given over the telephone.

Transfer of Test Components
If you recently took identical components for other exams, the test responses may be automatically transferred to this examination. This exam contains test components that might be used on future exams, and your responses could be transferred to that exam. Applicants concurrently applying to Network Systems Administrator II (R2559O-R) will take the identical test parts once.

Test Preparation
We provide study guides and other test preparation resources to help prepare for employment tests. While the guides may help in preparing for the test, we recommend reviewing all related materials that seem necessary.


Eligibility and Vacancy Information Candidates who passed the assessment are placed on the eligible list in the order of their score group for a period of six (6) months following the date of promulgation. We will use this list to fill vacancies as they occur.

Application and Filing Information:

We only accept applications filed online. Applications submitted by U.S. mail, fax, or in person are not accepted. Apply online by clicking on the "Apply" green button at the top right of this posting. This website can also be used to get application status updates. Please fill out the application completely. Provide relevant job experience including employer's name and address, job title, beginning and ending dates, number of hours worked per week, and description of work performed.

We may verify information included in the application at any point during the examination and hiring process, including after an appointment has been made. Falsification of information could result in refusal of application or rescission of appointment. Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements. Doing so may result in an incomplete application and may lead to disqualification.

We will send notifications to the email address provided on the application, so it is important that you provide a valid email address. If you choose to unsubscribe or opt out from receiving our emails, it is possible to view notices by logging into governmentjobs.com and checking the profile inbox. It is every applicant's responsibility to take steps to view correspondence, and we will not consider claims of missing notices to be a valid reason for re-scheduling an exam part. Register the below domains as approved senders to prevent email notifications from being filtered as spam/junk mail.


New email addresses need to be verified. This only needs to be done once per email address and can be done at any time by logging in to governmentjobs.com and following the prompts. This is to enhance the security of the online application and to prevent incorrectly entered email addresses. Any additional documents, IF ANY, must be received at the time of filing or within seven (7) calendar days from last day of filing.

Note: If you are unable to attach documentation to your online application, you may email it to [email protected] . Please ensure to reference your attachment by writing your full name, examination title, and examination number on the subject of your email.

Federal law requires that all employed people have a Social Security Number, so include yours when applying.

For those who do not have access to a computer or the internet, we provide access to complete an application at public libraries throughout the county.

All applicants must file their application online using their own user ID and password. Using a family member's or friend's login information may erase a candidate's original application record.
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Anti-Racism, Diversity, and Inclusion (ARDI):
The County of Los Angeles recognizes and affirms that all people are created equal and are entitled to all rights afforded by the Constitution of the United States. The Department of Human Resources is committed to promoting Anti-Racism, Diversity, and Inclusion efforts to address the inequalities and disparities amongst race. We support the ARDI Strategic Plan and its goals by improving equality, diversity, and inclusion in recruitment, selection, and employment practices.

Testing accommodation:
If you require an accommodation to fairly compete in any part of the assessment process, you will be given the opportunity to make a request when completing your application. Please note that you may be required to submit documentation from a qualified medical provider or other qualified professional to support your request for a testing accommodation.

Have any questions about anything listed above? Contact us:

Exam Number: R2560N-R
Department Contact Name: Annie Wong
Department Contact Email: [email protected]
Department Contact Phone: (213) 441-2034

Testing Accommodations Coordinator: [email protected]
Teletype Phone: (800) 899-4099
Alternate Teletype Phone: ( 800) 735-2929
California Relay Services Phone: (800) 735-2922

For detailed information, please click here

Closing Date/Time: 2/24/2026 5:00 PM Pacific

Salary:

$100,725.84 - $135,743.04 Annually
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