3,225 Results for

Network Security Jobs in Westchester, CA

Jobs

Network Modelling and Simulation Engineer The Aerospace Corp

El Segundo, CA

$129,000–$193,500 / year

As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. We are looking to hire a Network Modeling and Simulation Engineer to provide support in the Network/Systems Department (NSD) to lead and perform trade studies, analyses, and simulations of space network architectures.

30+ days ago

Mission Software Engineer, Mission Systems, Networking ANDURIL INDUSTRIES

Costa Mesa, CA

$166,000–$220,000 / year

To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.

7 days ago

Tier II Network Engineer BAE Systems Plc

El Segundo, CA

$132,962–$226,035 / year

We are looking for a Tier II Network Engineer to support an IC program delivering network support to the customer's various wide area networks (WANs) and local area networks (LANs). As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

16 days ago

IT Network Engineer The Aerospace Corp

El Segundo, CA

$120,300–$202,800 / year

Architect next-generation networks: Design and implement high-availability enterprise WAN solutions utilizing SDWAN technology (Cisco SDWAN/IWAN, ASR/ISR Routers, Cisco Firewalls) with dual WAN links (MPLS & Internet). As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.

30+ days ago

DevOps & Security Engineer StudyFetch

Beverly Hills, California

You don't need every item below, but you should be deep in most and able to ramp quickly on the rest: Security: IAM and least-privilege access, secrets management and rotation, network security, zero-trust access, vulnerability management, audit logging. We're a technology company building AI-native learning products used by more than seven million students worldwide, alongside Honen, our workforce-learning platform for organizations.

30+ days ago

Security Software Engineer - Top Secret Clearance Space Exploration Technologies Corp

Hawthorne, CA

$130,000–$155,000 / year

ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.

30+ days ago

Network Architect Booz Allen Hamilton

El Segundo, California

$77,600–$176,000 / year

You’ll apply your knowledge in routing and switching, integration of encryption gear, network design and architecture, system interoperability, IP engineering, and network transport layers as you join our team of problem-solvers to help the client evolve and deploy new capabilities and technologies. As a Network Architect on our team, you’ll use your skills in network design and architecture, system interoperability, OSI model, and network transport layers to help support the nation’s defense and respond to evolving adversaries.

30+ days ago

Manager Network Infrastructure AEG Worldwide

Los Angeles, CA

$155,000–$169,000 / year

Demonstrate strong expertise across core network technologies, including the OSI model; fibre, CWDM and DWDM transmission services; Ethernet and layer 2 switching, including VLANs, STP, MTU and layer 2 security; IPv4 and IPv6; VRF; GRE; routing protocols such as HSRP, VRRP, OSPF, EIGRP and BGP; route-based IPsec VPNs; multicast; QoS; MPLS and EoMPLS; network security and 802.1x; DNS; DHCP; and RADIUS. We are committed to innovation, artistry, and community, and leverage the power of our 300+ venues, leading sports franchises, marquee music brands, integrated entertainment districts, premier ticketing platform and global sponsorship activations, to create memorable moments that give the world reason to cheer.

30+ days ago

Senior Network Administrator CHAOS Industries

Los Angeles, California

$88,000–$121,000 / year

This is a hands-on technical role at the core of our IT and security operations; you'll build, configure, and maintain routers, switches, firewalls, and wireless infrastructure, monitor network performance and availability, troubleshoot connectivity issues, and ensure our network remains resilient, secure, and mission-ready. Manage network security controls including firewall rule sets, VPN configurations, access control lists, and network-layer inspection (proxy, SSL inspection, mail gateway) in coordination with cybersecurity teams.•

6 days ago

Senior Software Engineer, Tactical Networking ANDURIL INDUSTRIES

Costa Mesa, CA

$191,000–$253,000 / year

We own the full network lifecycle - secure VPN tunnels over tactical radios and satellite links, PKI and cryptographic identity for every node in the mesh, intelligent QoS traffic orchestration, and real-time network observability and management. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process.

30+ days ago

Senior Engineer, Network Performance Cellco Partnership

Azusa, California

$100,000–$174,000 / year

Ericsson RAN Optimization & Performance Management: Lead radio tuning and optimization across Ericsson Baseband and Radio Units (including Massive MIMO, C-Band, and mmWave deployments) for LTE, 5G-NR (NSA & SA), VoLTE, and VoNR services. CLI & Scripting Operations: Leverage Ericsson CLI tools (MOShell/AMOS/ENM) to execute health checks, check cell operational states, and run automated parameter audit/turnup scripts.

7 days ago

Sr Network Engineer CR&R

Stanton, CA

Extensive knowledge in application transport and network infrastructure protocols (SSL/TLS, DNS, DHCP, WINS, NTP, FTP, HTTP, SMTP, LDAP, and Microsoft AD), and a deep understanding of how to support these applications/protocols when access through VPN and firewall appliances. Manage and monitor all installed systems and infrastructure Install, configure, test and maintain operating systems, application software and system management tools Proactively ensure the highest levels of systems and infrastructure availability.

17 days ago

Cloud & Network Infrastructure Architect Advancio, Inc

Downey, CA

Designs, implements, and optimizes highly available, secure, multi-cloud network infrastructure spanning AWS and Azure, with hybrid connectivity into on-premises County data centers. Owns the architecture, resiliency design, and traffic engineering for enterprise-scale cloud networking — this is infrastructure-architecture work, not application development.

20 days ago

Staff Embedded Software Engineer (Networking) RAVE Aerospace

Brea, California

In addition to a comprehensive package of health benefits that include company contributions, RAVE Aerospace offers a variety of additional benefits and perks to enhance your work-life balance experience including but not limited to: A home allowance to elevate your home workspace. This role focuses on the development of robust network stacks, specifically targeting Layer 2/3 switching and multicast routing to ensure seamless data delivery across complex system architectures.

30+ days ago

Senior Networking Engineer The Aerospace Corp

El Segundo, CA

$166,400–$249,600 / year

The ideal candidate will have deep expertise in modern networking technologies, the ability to architect advanced space and ground networks, strong systems engineering leadership skills, and a track record of solving challenging technical problems. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.

30+ days ago

Network Operations Technician Journeyman CACI

El Segundo, California

$86,600–$181,800 / year

Five (5) years of related work experience w/Bachelors degree or High School diploma or Associate degree with a minimum seven (7) years performing as a Network Operations Technician supporting large, complex networks in a Network Operations Center environment. We are seeking an Network Operations Technician Journeyman to support critical Air Force network modernization initiatives across CONUS installations by resolving complex IT infrastructure issues and maintaining the integrity of newly deployed systems.

30+ days ago

Senior Network Software Engineer I -Secret Clearance Rocket Lab Corp

Long Beach, CA

$130,000–$198,000 / year

Important information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.

30+ days ago

Sr. Security Software Enginer (Starshield) SpaceX

Hawthorne, CA

$170,000–$265,000 / year

The Starshield team is building highly reliable in-space mesh networks, designing secure systems to guarantee access to space, designing next-gen communication and sensing software, and more. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

16 days ago

Senior Network Software Engineer II -Secret Clearance Rocket Lab Corp

Long Beach, CA

$150,000–$225,000 / year

30+ days ago

Senior Network Engineering Architect Accenture Plc

Culver City, CA

They can translate business objectives into practical technology strategies, lead complex transformation initiatives, simplify operational challenges through automation, and deliver secure, scalable, and future-ready networking solutions that enable innovation across the enterprise. We bring together the talent of our approximately 814,000 people with proprietary assets and platforms, deep process and industry expertise, and leading ecosystem relationships to deliver end-to-end solutions and measurable outcomes at scale.

12 days ago

See More Jobs

Browse All Network Security Locations

Browse Jobs Near Westchester, CA

Get noticed by top employers!

Upload your resume to let employers know you're open to Network Security job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Network Security Jobs in Westchester, CA

Network Modelling and Simulation Engineer The Aerospace Corp

Mission Software Engineer, Mission Systems, Networking ANDURIL INDUSTRIES

Tier II Network Engineer BAE Systems Plc

IT Network Engineer The Aerospace Corp

DevOps & Security Engineer StudyFetch

Security Software Engineer - Top Secret Clearance Space Exploration Technologies Corp

Network Architect Booz Allen Hamilton

Manager Network Infrastructure AEG Worldwide

Senior Network Administrator CHAOS Industries

Senior Software Engineer, Tactical Networking ANDURIL INDUSTRIES

Senior Engineer, Network Performance Cellco Partnership

Sr Network Engineer CR&R

Cloud & Network Infrastructure Architect Advancio, Inc

Staff Embedded Software Engineer (Networking) RAVE Aerospace

Senior Networking Engineer The Aerospace Corp

Network Operations Technician Journeyman CACI

Senior Network Software Engineer I -Secret Clearance Rocket Lab Corp

Sr. Security Software Enginer (Starshield) SpaceX

Senior Network Software Engineer II -Secret Clearance Rocket Lab Corp

Senior Network Engineering Architect Accenture Plc

Similar Job Searches

See More Jobs