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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Network Systems Administrator - Fire... - **Company:** The County Of Los Angeles - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Salary:** $119,111.0 - $160,519.0 - **Contract:** Permanent contract - **Skills:** Complex Networks, Cyber Security, Information Systems, System Configuration, Data Centers, IBM Systems Network Architecture, Internet Protocol, Network Security, Network Architecture, Network Service, Network Administration, Server Administration, Service Pack, Virtual Local Area Networks, Computer Networking Systems, Information Technology, Network Server - **Published:** July 10, 2026 - **Apply:** https://www.juju.com/job/00000000gff7pb ## About the Role Option I:Graduation from an accredited college or university with a bachelor's degree* in Computer Science, Information Systems, or a closely related field, and four (4) years of progressively responsible**, full-time, paid experience in a centralized Information Technology organization*** planning, designing, installing and maintaining complex network infrastructure with a high-availability environment -OR- Option II:Two (2) years of experience at the level of Senior Network Systems Administrator**** -OR- Option III:Five (5) years of progressively responsible**, full-time paid experience planning, designing, installing and maintaining complex network infrastructure in a centralized IT organization with a high-availability environment., Out-of-Class experience will not be accepted for this examination., 3 - Moderate: 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., Option 1: Have you graduated from an accredited college or university with a bachelor's degree in Computer Science, Information Systems, or a closely related fieldANDhave four (4) years of progressively responsible, full-time, paid experience in planning, designing, installing and maintaining complex network infrastructure with a high-availability environment?, If you answered yes on #4,please describe, in detail, four (4) years of progressively responsible, full-time, paid experience in planning, designing, installing and maintaining complex network infrastructure with high-availability environment., Option 2: Do you have two (2) years of experience at the level of Senior Network Systems Administrator?, If you answered yes on question #7,please describe, in detail, two (2) years of experience at the level of Senior Network Systems Administrator., Option 3: Do you have five (5) years of progressively responsible, full-time experience in planning, designing, installing and maintaining complex network infrastructure in a centralized IT organization with high-availability environment? ## Description + Performs network and server administration functions, including designing, configuring, installing, repairing, maintaining, and upgrading hardware, and operating systems; as well as testing and optimizing complex network software and physical infrastructure. + Designs and implements network security solutions, including system network access lists and host intrusion and prevention systems along with policy elements such as end user roles and groups, trust relationships, access rights, and directories. + Analyzes network resource utilization, and solves the more complex system configuration and performance problems. + Analyzes proposed procedures for network management, including resource allocation of centralized, decentralized and remote network services. + Identifies and recommends appropriate changes to network infrastructure to improve performance, reliability and availability. + Plans the deployment of hardware and software upgrades for network servers, gateways, and associated telecommunication devices. + Analyzes and resolves the more complex network and operational problems. + Leads the selection, development, and implementation process for network backup and recovery solutions. + Leads the VLAN configuration process required to support the installation and maintenance of services over Internet Protocol (IP), such as audio, video, telephony and data. + Coordinates and works with vendors to develop and implement solutions to specific problems or to meet specific objectives. + Participates in the analysis, evaluation, and risk assessment tasks required for implementation of new applications, and system changes, such as vendor provided patches, service packs, network products, devices and network management solutions. + Selects, designs, implements, and configures monitoring and alerting systems for networks, servers, and systems. + May supervise lower level Network or technical personnel. + May serve as a project manager. + May lead a network administration team. + May lead the effort to create Requests for Proposal, Requests for Quotation, and Requests for Information, and my write technical requirements for the Statements of Work for services such as installation, configuration, data center upgrades, and security assessments. + May enforce network security according to policies and procedures and documents information security processes. + May lead the in-depth support for information security incidents including internal violations, hacker attacks, viruses, and system access violations., *To receive credit for your education, include a legible copy of your official diploma, official transcript, or letter/certificate from an accredited institution at the time of filing or within five (5) calendar days from application submission. The document should show the date the degree was conferred and be in English; if it is in a foreign language, it must be translated and evaluated for equivalency to U.S. standards. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812\_PPG123.pdfand https://file.lacounty.gov/SDSInter/dhr/205105\_PPG\_123\_ACE\_Resource\_Guide.pdf If you are unable to attach the required documents, please e-mail them to Fire-Examination@fire.lacounty.govwithin five (5) calendar days of filing. Include your Name, Exam Number, and the Exam Title on the emailed documents. **Progressively responsible experience is defined as: tasks, job duties, or roles that demonstrate growth and/oradvancement in complexity, difficulty, or level of responsibility. ***Centralized Information Technology Organization is defined in the County of Los Angeles as that which is responsible, under the direction or guidance of the Chief Information Technology official (or, at Sheriff Department, the coordinated executive command structure) for the department or major organizational unit, for providing comprehensive information technology 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 information technology requirements and initiatives of the department or major organizational unit. ****At the level of County of Los Angeles class of Senior Network Systems Administrator: Positions allocable to provide comprehensive support of complex network and server operating system environments. Under direction, incumbents perform a wide-range of network-related duties, including the design, implementation, and maintenance of complex networks. We do not accept password-protected documents. Ensure documents are unlocked before attaching to your application or sending to the exam analyst. NOTE: If credit is given for course work, transcripts must indicate completion of required course work. All transcripts/degrees may be reviewed for content and curriculum emphasis., 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., If you answered yes on question 9,please describe, in detail, five (5) years progressively responsible, full-time experience in planning, designing, installing and maintaining complex network infrastructure in a centralized IT organization with high-availability environment. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [IKEA Story: Transforming an Iconic Retail Brand](https://www.wearedevelopers.com/videos/444-ikea-story-transforming-an-iconic-retail-brand) - [The Sustainability Race: AI's Promises, Pitfalls and Potential](https://www.wearedevelopers.com/videos/100155-the-sustainability-race-ai-s-promises-pitfalls-and-potential) - [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity) - [What's (new) with Spring Boot and Containers?](https://www.wearedevelopers.com/videos/1514-what-s-new-with-spring-boot-and-containers) - [Building the Nervous System of AI - Michael Kagan (NVIDIA)](https://www.wearedevelopers.com/videos/2133-building-the-nervous-system-of-ai-michael-kagan-nvidia) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv) - [How to Write a CV and Interview if You Don't Fully Qualify For The Job](https://www.wearedevelopers.com/magazine/183-how-to-write-a-cv-and-interview-if-you-don-t-fully-qualify-for-the-job) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume)