Tier 3 jobs in Brea, CA

Los Angeles, California

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Today

IT Help Desk (Level 2/Level 3) Location: Woodland Hills, CA (Onsite 5 Days per Week) Employment Type: Contract (1-2 Months with possibility of extension) Schedule: Monday-Friday, 8:30 AM-5:30 PM About the Company Our client is a leading organization within the legal and case administration industry, providing technology-driven services and support solutions to clients nationwide. The company operates in a primarily cloud-based environment and is seeking an experienced IT Help Desk II/junior

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Contract

$40 - $42.00 per hour

Senior Tier 3 CrowdStrike Architect @ Remote

Remote

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4d ago

Senior Tier 3 CrowdStrike ArchitectLocation: Des Moines, IA Remote Job Type: Long-Term Contract Experince: 10+ Years Job SummaryWe are seeking a Senior Tier 3 CrowdStrike Architect to serve as the technical authority for an enterprise CrowdStrike Falcon EDR/XDR environment supporting 10,000+ endpoints. The role will focus on Falcon architecture, Tier 3 incident response, threat hunting, automation, integrations, and platform administration. Mandatory Skills & Experience4+ years of hands-on Crowd

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Contract

Depends on Experience

Senior Tier 3 CrowdStrike Architect

Remote or Des Moines, Iowa

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3d ago

Job Title: Senior Tier 3 CrowdStrike Architect Location: Des Moines, IA (Remote) Job Type: Contract W2 Required Technical Experience Enterprise Endpoint Detection and Response (EDR / XDR) platform. Platform Mastery: 4+ years of hands-on experience engineering, deploying, and maintaining CrowdStrike Falcon at enterprise scale (10,000+ endpoints). Tier 3 IR Capabilities: Demonstrated proficiency using CrowdStrike Real-Time Response (RTR), writing custom IOAs/IOCs, and performing endpoint threat h

Contract

Senior Tier 3 CroudStrike Architect

Remote

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6d ago

Job DescriptionWe are seeking a Senior Tier 3 CrowdStrike Architect to design, manage, and support an enterprise CrowdStrike Falcon EDR/XDR environment. This role will handle advanced incident response, threat hunting, platform optimization, and security integrations. ResponsibilitiesArchitect and administer CrowdStrike Falcon across enterprise environments.Handle Tier 3 incident response, threat hunting, containment, and remediation.Manage RTR, IOAs/IOCs, policies, host groups, and platform tun

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Third Party, Contract

70 - 75

Tier 3 Engineer

Remote or Tysons, Virginia

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Today

Overview The Tier 3 Engineer provides 24x7x365 operational support, troubleshooting, and incident resolution for the Department of Veterans Affairs (VA), Office of Information and Technology (OIT), Product Delivery Services (PDS), Benefits and Memorials (BAM), and Memorial and Benefit Services (MBS). The Tier 3 Engineer delivers secure, reliable, and effective Information Technology (IT) solutions that support the Department's mission. Responsibilities Respond to alerts, HPIs/CPIs, and produc

Full-time

Senior Tier 3 CroudStrike Architect - REMOTE

Remote

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5d ago

Job Description: Crop to Crop resumes are accepted The Senior Tier 3 CrowdStrike Architect serves as the primary technical authority for the State of Iowas Enterprise Endpoint Detection and Response (EDR / XDR) platform. Operating within the Information Security Services (ISS) Bureau, this role is responsible for the overall architecture, administration, multi-tenant federation, fine-tuning, and escalation engineering of the CrowdStrike Falcon ecosystem across state agencies. This position acts

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Contract, Third Party

Depends on Experience

Senior Infrastructure Systems Analyst

Commerce, California

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Infrastructure Systems Analyst in Commerce, CA. This role is hybrid, minimum three days onsite at Commerce, CA or Phoenix, AZ; Wednesday required, remaining days can be flexible. Core Responsibilities: * Administer Windows Server environments: Active Directory, Azure AD (Entra), Intune, and Tenable patch management * Manage the Nutanix platform, including the Nutanix hypervisor and VMware on Nutanix * Install, maintain, and support

Contract

$65 - $80 hourly

Field Service Technician

Anaheim, California

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Today

Your role As a Field Service Technician, your mission is to facilitate growth of Power Technique's Aftermarket through a customer-facing Field Service Engineer with strong diesel-engine expertise, capable of diagnosing, repairing, quoting, and selling service work on compressors, generators, and tools-using digital systems and incentivized on performance. You will report to the Service Center Manager. Responsibilities include: Technical Service & Repairs Diagnose, troubleshoot, and repair diesel

Full-time

USD 48.29 - 60.37 per hour

Intune Engineer

El Monte, California

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Today

Introduction Since 1973, East West Bank has served as a pathway to success. With over 110 locations across the U.S. and Asia, we are the premier financial bridge between the East and West. Our teams of experienced, multi-cultural professionals help guide businesses and community members on both sides of the Pacific looking to explore new markets and create new opportunities, and our sustained growth and expertise in industries like real estate, entertainment and media, private equity and ventur

Full-time

USD 20.00 per hour

Intune Engineer

El Monte, California

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10d ago

Full-time

USD 20.00 - 45.00 per hour

Marketing Events Specialist - US

Remote or Los Angeles, California

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Today

Build a safer world TRM Labs is the intelligence platform for public safety and national security. We help organizations detect and disrupt criminal networks that exploit emerging technologies, including cryptocurrency and AI. Our platform combines proprietary intelligence, AI-native investigations software, and disruption-network infrastructure built for environments where accuracy, auditability, and security matter. TRM is trusted by more than 600 government agencies and financial institution

Full-time

Technical Support Engineer

Santa Ana, California

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Today

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. We grade, authenticate, vault, and sell millions of record-setting collectibles, all while modernizing and digitalizing the process to further our mission of helping collectors pursue their passions. We're always on the lookout for talented people to join our growing team. Our services span collectible trading cards, autographs, comic books, coins, video games, event tickets,

Full-time

USD 41.00 - 67.00 per hour

Senior Mac Engineer

Irvine, California

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Today

Company Description At Western Digital, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible. At our core, Western Digital is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we've been doing just that-our technology helped people put a man on the moon and capture the first-ever picture of a black hole. We offer an expansive portfolio of technologies, HDDs

Full-time

USD 98,000.00 per year

IT Systems Engineer (Endpoint)

Hawthorne, California

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Today

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. IT SYSTEMS ENGINEER (ENDPOINT) SpaceX is seeking an experienced IT Systems Engineer to join the Endpoint team. This multi-disciplinary role is responsible for designing, implementing, and operating modern endpoint mana

Full-time

USD 135,000.00 - 170,000.00 per year

VistA/MUMPS Sustainment Subject Matter Expert

Remote

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4d ago

VistA/MUMPS Sustainment Subject Matter ExpertIntroduction:The VistA/MUMPS Sustainment Subject Matter Expert will play a crucial role in providing expert guidance on VistA and MUMPS-based application sustainment. They will be responsible for analyzing, triaging, and resolving defects, incidents, service requests, and production issues related to VistA and MUMPS applications. Responsibilities:Provide expert guidance on VistA and MUMPS-based application sustainment.Analyze, triage, and resolve Vist

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Full-time

Depends on Experience

Envista Sr. Manager, Salesforce Architect (Brea, CA)

Remote or Brea, California

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Today

Job Description: JOB SUMMARY: This position is based on-site and requires four days per week in the Brea office to support collaboration and business needs. Envista is looking for a Sr. Manager, Salesforce Architect to lead the strategy, implementation, and optimization of Salesforce platforms, bridging business needs with technical solutions. The role will manage teams of developers/admins, overseeing complex project delivery, data architecture, and stakeholder engagement and advance the str

Full-time

USD 164,300.00 - 190,000.00 per year

IT Infrastructure Systems Architect

El Segundo, California

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Today

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. 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. When you join our team, you'll be part of a special collection of problem solvers,

Full-time

USD 117,300.00 - 175,900.00 per year

Business Analyst

Remote

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3d ago

Job Title: Business SME / BA Job ID:26-04189 Location: Remote Duration: 10 months contract Job Description This is a position for a Business SME / BA with the Client Division of Developmental Disabilities. The project is the creation of an enterprise electronic health record. he Business Subject Matter Expert brings proven experience from related businesses or organizations as well as system integration and technology experience. Consults with the client to define needs or problems, conducts re

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Contract

$68 - $73

Network Administrator

Remote or Calabasas, California

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Today

Description We are looking for a Network Administrator to support and enhance a hybrid infrastructure environment for an organization in the entertainment industry based in Calabasas, California. This Long-term Contract position is ideal for someone with strong expertise across cloud platforms, enterprise networking, and core systems administration. The role focuses on maintaining reliable connectivity, securing critical infrastructure, and resolving advanced technical issues across both cloud a

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Contract

USD 47.50 - 55.00 per hour

Senior Application Administrator (Workday)

Remote

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Today

Senior Applications Administrator (Workday) Remote role Contract, Full-Time (Through end of 2026) Compensation: $40 - $50 per hour ABOUT THE ROLE Join Brooksource's enterprise HRIT team as a Senior Applications Administrator (Workday) in a fully remote, full-time contract role through the end of 2026. You will provide dedicated technical capacity across Workday development, configuration, security, and Tier 3 application support, operating within an established development and intake proces

Contract

$40.00 - $50.00

Tier 3 jobs in Brea, CA, USA