CastelionDefense
📣 Business Dev & Customer OpsDirector
Washington, D.C.
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DefenseSeries C+
HQ
El Segundo, CA
Founded
2022
Employees
51-200
Total Raised
$1.5B
Last Round
Series C+
Last Round Date
Aug 2026
Castelion is a defense company based in El Segundo, CA, founded 2022. The company is at the Series C+ stage, having raised $1.5B, with 51-200 employees. Castelion is hiring for 188 open roles, listed below.
Updated Aug 2026
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Defense
CastelionDefense
📋 Product, Programs, & SystemsDirector
Torrance, CA
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🏭 Manufacturing & ProductionDirector
Rio Rancho, NM
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📑 Finance, Legal, & ComplianceDirector
Torrance, CA
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⚡ Electrical & FirmwareManager
Torrance, CA
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🏭 Manufacturing & ProductionManager
CastelionDefense
🔒 Infrastructure, IT, & SecurityManager
Torrance, CA
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🏭 Manufacturing & ProductionManager
Torrance, CA
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👥 Business & People OpsManager
Rio Rancho, NM
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📑 Finance, Legal, & ComplianceManager
Torrance, CA
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📋 Product, Programs, & SystemsManager
Torrance, CA
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🏭 Manufacturing & ProductionManager
Torrance, CA
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🏭 Manufacturing & ProductionManager
Midland, TX
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✅ Test, Quality, & ReliabilityManager
Torrance, CA
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📑 Finance, Legal, & ComplianceManager
Torrance, CA
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👥 Business & People OpsManager
Rio Rancho, NM
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✅ Test, Quality, & ReliabilityManager
Torrance, CA
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🔒 Infrastructure, IT, & SecurityManager
Torrance, CA
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🎨 Marketing & DesignManager
Torrance, CA · Washington, D.C.
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👥 Business & People OpsManager
Torrance, CA
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📦 Supply Chain & ProcurementManager
Rio Rancho, NM
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⚙️ Mechanical & Physical SystemsManager
Torrance, CA
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🎨 Marketing & DesignManager
Rio Rancho, NM
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✅ Test, Quality, & ReliabilityManager
Torrance, CA
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🏭 Manufacturing & ProductionManager
Midland, TX
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🏭 Manufacturing & ProductionManager
Torrance, CA
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👥 Business & People OpsManager
Albuquerque, NM
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✅ Test, Quality, & ReliabilityStaff / Principal
Torrance, CA
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⚙️ Mechanical & Physical SystemsStaff / Principal
Torrance, CA
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⚡ Electrical & FirmwareStaff / Principal
Torrance, CA
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💻 Software & DataStaff / Principal
Torrance, CA
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✅ Test, Quality, & ReliabilitySenior
Rio Rancho, NM
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⚙️ Mechanical & Physical SystemsSenior
Torrance, CA
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✅ Test, Quality, & ReliabilitySenior
Torrance, CA
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🏭 Manufacturing & ProductionSenior
Torrance, CA
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🏭 Manufacturing & ProductionSenior
Torrance, CA
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🤖 AI & AutonomySenior
Rio Rancho, NM
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⚡ Electrical & FirmwareSenior
Torrance, CA
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🔒 Infrastructure, IT, & SecuritySenior
Rio Rancho, NM
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📦 Supply Chain & ProcurementSenior
Torrance, CA
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✅ Test, Quality, & ReliabilitySenior
Torrance, CA
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⚡ Electrical & FirmwareSenior
Allen, TX
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⚙️ Mechanical & Physical SystemsSenior
CastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
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🏭 Manufacturing & ProductionSenior
Torrance, CA
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⚡ Electrical & FirmwareSenior
Torrance, CA
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
ApplyCastelionDefense
💻 Software & DataSenior
Torrance, CA
ApplyCastelionDefense
👥 Business & People OpsSenior
Torrance, CA
ApplyCastelionDefense
🤖 AI & AutonomySenior
Torrance, CA
ApplyCastelionDefense
📦 Supply Chain & ProcurementSenior
Rio Rancho, NM
ApplyCastelionDefense
📦 Supply Chain & ProcurementSenior
Rio Rancho, NM
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
ApplyCastelionDefense
✅ Test, Quality, & ReliabilitySenior
Albuquerque, NM
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🏭 Manufacturing & ProductionSenior
Torrance, CA
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✅ Test, Quality, & ReliabilitySenior
Torrance, CA
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⚡ Electrical & FirmwareSenior
Torrance, CA
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⚡ Electrical & FirmwareSenior
Torrance, CA
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⚡ Electrical & FirmwareSenior
Allen, TX
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🏭 Manufacturing & ProductionSenior
CastelionDefense
⚡ Electrical & FirmwareSenior
Torrance, CA
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🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
✅ Test, Quality, & ReliabilitySenior
Torrance, CA
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
ApplyCastelionDefense
💻 Software & DataSenior
Allen, TX
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⚙️ Mechanical & Physical SystemsSenior
Torrance, CA
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🏭 Manufacturing & ProductionSenior
Torrance, CA
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🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Allen, TX
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Rio Rancho, NM
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Rio Rancho, NM
ApplyCastelionDefense
🤖 AI & AutonomySenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Rio Rancho, NM
ApplyCastelionDefense
🤖 AI & AutonomySenior
Rio Rancho, NM
ApplyCastelionDefense
📦 Supply Chain & ProcurementSenior
Rio Rancho, NM
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Torrance, CA
ApplyCastelionDefense
🔒 Infrastructure, IT, & SecuritySenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Rio Rancho, NM
ApplyCastelionDefense
💻 Software & DataSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Allen, TX
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
ApplyCastelionDefense
👥 Business & People OpsSenior
Torrance, CA
ApplyCastelionDefense
✅ Test, Quality, & ReliabilitySenior
Torrance, CA
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
ApplyCastelionDefense
📑 Finance, Legal, & ComplianceSenior
Torrance, CA
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Torrance, CA
ApplyCastelionDefense
🏭 Manufacturing & ProductionSenior
Torrance, CA
ApplyCastelionDefense
📋 Product, Programs, & SystemsSenior
Torrance, CA
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Torrance, CA
ApplyCastelionDefense
⚡ Electrical & FirmwareSenior
Torrance, CA
ApplyCastelionDefense
⚙️ Mechanical & Physical SystemsSenior
Rio Rancho, NM
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