Network Administrator Jobs in California

1 - 20 of 53 Jobs

Network Administrator, Classified InfrastructureJob Title - Network Administrator, Classified Infrastructure

Aduril IndustriesCompany Name - Aduril Industries

•

Victorville, California, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Sr Network AdministratorJob Title - Sr Network Administrator

Ledgent TechnologyCompany Name - Ledgent Technology

•

Rancho Cordova, California, USA

Contract

A regional bank is seeking a Sr. Network Administrator to support enterprise systems across multiple locations in a 24/7 environment. This role blends hands-on network/server work with project leadership and team mentoring. Contract-to-Hire | Rancho Cordova | 100% Onsite Duties: Maintain Windows/Linux servers, virtualization, and backups Support LAN/WAN, firewalls, switches, and remote connectivity Administer O365, Active Directory, and server applications Lead disaster recovery and system optim

Network Administrator, Classified Infrastructure - Active ClearanceJob Title - Network Administrator, Classified Infrastructure - Active Clearance

Aduril IndustriesCompany Name - Aduril Industries

•

Costa Mesa, California, USA

Full-time

Network Administrator IIJob Title - Network Administrator II

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

•

Anaheim, California, USA

Full-time

Description Switch to 4/10s on graveyard shift when they convert FT, expected around 6 months / end of year but TBD **Key Responsibilities:** 1. Network Management: Manage and maintain multi-terabyte data center networks. 2. Infrastructure Planning: Design and implement new network solutions and/or improve the efficiency of current networks. 3. Install and Configure: Install, configure, and support data center network equipment, including routers, switches, firewalls, and load balancers. 4. Moni

System/Network Administrator - Active TS/SCI RequiredJob Title - System/Network Administrator - Active TS/SCI Required

Viasat, Inc.Company Name - Viasat, Inc.

•

Carlsbad, California, USA

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do Keeping our systems, technology, and employees safe is a ke

Hybrid Network Administrator & Information Security AnalystJob Title - Hybrid Network Administrator & Information Security Analyst

General DynamicsCompany Name - General Dynamics

•

Remote or Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: DISA STIG, Network Infrastructures, Splunk Enterprise Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Please take this opportunity to join one of GDIT's fastest long-standing growing programs! U

Enterprise Network Systems AdministratorJob Title - Enterprise Network Systems Administrator

AgreeYa SolutionsCompany Name - AgreeYa Solutions

•

Alhambra, California, USA

Contract

The Enterprise Network Systems Administrator (or Network Administrator) (ENSA) works under the direction of a Principal Network Systems Administrator (PNSA) Supervisor who manages and oversees all aspects of work for the Enterprise Network. Experience Required: Must have a minimum of three (3) years of experience within the last four (4) in the capacity of a Network Systems Administrator or similar role. Must have a minimum of two (2) years of experience within the last four (4) years in a secur

Enterprise Network Systems AdministratorJob Title - Enterprise Network Systems Administrator

HonorVet TechnologiesCompany Name - HonorVet Technologies

•

Alhambra, California, USA

Contract

Title: Enterprise Network Systems Administrator Location: Alhambra, CA, 91803 Duration: 12 months Position Description The Enterprise Network Systems Administrator (or Network Administrator) (ENSA) works under the direction of a Principal Network Systems Administrator (PNSA) Supervisor who manages and oversees all aspects of work for the Enterprise Network.The ENSA job is to make sure that company networks align with business goals and objectives as well as the ability to problem solve and thin

Network System AdministratorJob Title - Network System Administrator

ManTechCompany Name - ManTech

•

Los Angeles, California, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Network System Administrator to join our team in Los Angeles, CA. The primary function is working with Special Access Program (SAPs) and other classified networks supporting SMC Directorates and/or AFSPC Operational Units. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Install, maintain,

Network Security AdministratorJob Title - Network Security Administrator

SpaceXCompany Name - SpaceX

•

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. NETWORK SECURITY ADMINISTRATOR SpaceX is looking for a Network Security Administrator with expertise in network security technologies (firewalls, VPNs, IDS/IPS, etc.) This employee will be a member of the Network Secu

Senior Network/Systems AdministratorJob Title - Senior Network/Systems Administrator

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Overview GovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be located in Sterling, VA and will be a fully remote position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting

Journeyman Network/Systems AdministratorJob Title - Journeyman Network/Systems Administrator

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Overview GovCIO is currently hiring for a Journeyman System Adminstrator with an active Secret clearance. This position will be located in Sterling, VA and El Paso, TX and will be a fully remote position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods s

Network EngineerJob Title - Network Engineer

INSPYR SolutionsCompany Name - INSPYR Solutions

•

Remote or Vienna, Virginia, USA

Contract

Title: Network Engineer Location: Vienna, VA (REMOTE) Duration: 6 Month with extension Compensation: $61.00 - $71.00/hr Work Requirements: or Authorized to work in USNETWORK ENGINEER Job Requirements: * Experienced in managing Palo Alto firewalls (5+ years) * Knowledgeable in conversation of layer 4 rules to layer 7 using userID and appID * Understanding of creating custom appID's * Has managed Palo Alto infrastructure (upgrades, patches, configurations) * Preferred - Experienced in managing C

Network Admin / EngineerJob Title - Network Admin / Engineer

Empower ProfessionalsCompany Name - Empower Professionals

•

El Segundo, California, USA

Third Party, Contract

Role: Network Admin / Engineer Location: El Segundo, CA (Hybrid) Duration: 12+ Months Must have: Palo Alto FirewallsCiscoPublic cloud Position Overview: The Network Administrator will manage network infrastructure to ensure stable operation of enterprise data networks and services. A network administrator will deploy, maintain, operate, and optimize enterprise network services and related technology assets. This individual will work alongside a highly collaborative team of Network Administrator

Network Systems F5 Engineer / Firewall Engineer (PaloAlto PCNSA, Forescout, CCNP, F5 Certs)Job Title - Network Systems F5 Engineer / Firewall Engineer (PaloAlto PCNSA, Forescout, CCNP, F5 Certs)

Indotronix International CorpCompany Name - Indotronix International Corp

•

Remote

Contract

Network Systems F5 Engineer / Firewall Engineer (PaloAlto PCNSA, Forescout, CCNP, F5 Certs) Location: REMOTE Note: Must be authorized and willing to work on W2. Can't do C2C or Corp to Corp or 1099. Looking for F5 Engineer Assisting our Forescout onboarding project. Bonus Forescout and Palo Alto experience as its going to be hands on. PCNSA would be great Good firewall, good networking skills. Forescout - some familiarity or other NAC - but forescout preferred. Cisco (CCNA, CCNP: Routing & Switc

Senior Network Specialist - Secret ClearanceJob Title - Senior Network Specialist - Secret Clearance

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

•

San Diego, California, USA

Full-time

Piper Companies is looking for a Network/System Administrator to join a government contractor in San Diego, CA. This role requires the candidate to report Onsite and have an active Secret Clearance Essential Duties of the Network/System Administrator: Install and configure LAN, WAN and internet systemsEnsure network availability to all system usersMonitor/test website performanceAssist in network analysis, monitoring, coordination and planning Qualifications of the Network/System Administrator

Strategic Solutions Architect, Spectrum BusinessJob Title - Strategic Solutions Architect, Spectrum Business

SPECTRUMCompany Name - SPECTRUM

•

Cerritos, California, USA

Full-time

Do you want to deliver technically complex and customized solutions to clients and influence purchasing decisions? You can do that. Ready to work with boundary partners to create a successful product roadmap? As a Solutions Architect, Strategic at Spectrum Business, you can do that. provides modern enterprise technology solutions that meet the unique needs of some of the country's biggest brands. If you're looking to build your most successful career, support client growth and work alongside int

Network Telephony SupportJob Title - Network Telephony Support

Rose InternationalCompany Name - Rose International

•

Roseville, California, USA

Full-time

Date Posted: 07/09/2025 Hiring Organization: Rose International Position Number: 485245 Industry: Healthcare Job Title: Network Telephony Support Job Location: Roseville, CA, USA, 95747 Work Model: Onsite Shift: 8-5 Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 13 Min Hourly Rate($): 27.00 Max Hourly Rate($): 31.00 Must Have Skills/Attributes: LAN, WAN, Wireless Experience Desired: network/telephony system (1+ yrs) Required Minimum Education: High School

Data Center Technician (Level 2)Job Title - Data Center Technician (Level 2)

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

•

Santa Clara, California, USA

Full-time

A Large Well-Known Software company in Santa Clara, CA is hiring multiple Level 2 Data Center Technicians to join the team for a great opportunity! Job Duties: Troubleshoot a variety of servers and isolate the problem that the server is encountering.Order replacement parts and install them in servers and ship back the defective part to their respective vendors.Update firmware on servers to ensure the latest version is installed.Configure IP addresses and default login credentials on servers.Reac

Data Center TechnicianJob Title - Data Center Technician

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

•

Santa Clara, California, USA

Full-time