Castelion jobs

Modern Defense Production

Based in Torrance, CA, US. 263 open roles, checked Nov 11, 2026.

For each role, see who to message at Castelion: the hiring manager, a teammate and the recruiter, with a LinkedIn note ready to send — 1,821 suggested contacts across these roles.

Open roles at Castelion

Manufacturing (27)

• NX Engineer · Torrance, CA
• Manufacturing Systems Owner · Torrance, CA
• Senior Production Technician · Torrance, CA
• Build Reliability Engineering Manager · Torrance, CA
• Technical Training & Competency Program Manager · Rio Rancho, NM; Torrance, CA
• Training Coordinator · Rio Rancho, NM; Torrance, CA
• Quality Inspection Manager · Rio Rancho, NM; Torrance, CA
• Senior Technical Training & Development Specialist · Rio Rancho, NM; Torrance, CA
• Instructional Designer and Facilitator · Rio Rancho, NM; Torrance, CA
• R&D Technician - Bonding · Torrance, CA
• Manufacturing Engineer, Solid Rocket Motors · Midland, TX
• Principal Build Reliability Engineer · Torrance, CA
• Senior Build Reliability Engineer · Torrance, CA
• Build Reliability Engineer · Torrance, CA
• Senior Integration and Test Technician · Rio Rancho, NM
• Composites Technician · Torrance, CA
• Lead Integration & Test Engineer · Torrance, CA
• Manager, Energetics Test Engineering · Rio Rancho, NM
• Assembly and Integration Technician · Rio Rancho, NM
• Manufacturing Planner – Composites · Torrance, CA
• Manufacturing Engineer – Composite Motor Cases · Torrance, CA
• Senior Manufacturing Engineer - Machining · Torrance, CA
• Sr. Materials & Process Engineer, Energetic Materials · Torrance, CA, Rio Rancho, NM
• Manufacturing Engineer - General · Torrance, CA
• Facilites Coordinator · Torrance, CA, Midland - Texas
• CMM Programmer · Torrance, CA
• Senior Manufacturing Engineer - Machining · Torrance, CA

Supply Chain (25)

• Materials Management Supervisor · Rio Rancho, NM
• Dispatcher · Torrance, CA
• Dispatcher · Rio Rancho, NM
• Senior Buyer, CNC Machined Parts & Assemblies · Torrance, CA
• Inventory Specialist – Weekend Shift · Torrance, CA
• Industrial Engineer, Logistics & Material Flow · Torrance, CA
• Inventory Lead · Torrance, CA
• Driver · Torrance, CA
• Inventory Lead – Weekend Shift · Torrance, CA
• Shipping and Receiving Specialist · Rio Rancho, NM
• Inventory Specialist · Rio Rancho, NM
• Inventory Specialist · Midland, TX
• Dangerous Goods Logistics Driver · Torrance, CA
• Hazardous Materials Logistics Specialist · Rio Rancho, NM
• Production Coordinator · Torrance, CA
• Senior Supply Chain Planner · Torrance, CA
• Commodity Manager · Torrance, CA
• Global Supply Manager · Torrance, CA
• Shipping and Receiving Specialist · Midland, TX
• Senior Logistics Specialist · Rio Rancho, NM
• Materials Management Supervisor · Torrance, CA
• Shipping and Receiving Specialist · Torrance, CA
• Inventory Specialist · Torrance, CA
• Senior Supplier Development & Quality Engineer · Torrance, CA; Rio Rancho, NM; Allen, TX
• Sr. Buyer, Avionics, Strategic Sourcing · Torrance, CA

Long Range Strike Systems (15)

• Mechanical Assembly, Integration & Test Lead · Rio Rancho, NM
• Lead Embedded Software Engineer · Rio Rancho, NM
• Senior Guidance Systems Engineer · Rio Rancho, NM; Torrance, CA
• Senior Propulsion & Ordnance Engineer · Rio Rancho, NM; Torrance, CA
• Senior Aerothermal & CFD Engineer · Torrance, CA
• Senior Thermal & TPS Integration Engineer · Rio Rancho, NM; Torrance, CA
• Senior Structures & Composites Engineer (Rocket Motor Cases) · Rio Rancho, NM; Torrance, CA
• Senior Propulsion Engineer (Rocket Motor Soft Goods) · Rio Rancho, NM; Torrance, CA
• Senior Propulsion Engineer (Rocket Motors) · Rio Rancho, NM; Torrance, CA
• Senior Power Electronics Engineer · Rio Rancho, NM; Torrance, CA
• Senior Mechanisms Engineer · Rio Rancho, NM; Torrance, CA
• Senior Mechanisms Engineer (TVC Actuation) · Rio Rancho, NM; Torrance, CA
• Senior Mechanical Design Engineer (Structures & Thermal Protection Integration) · Torrance, CA; Rio Rancho, NM
• Senior Mechanical Design Engineer (RF Systems & Radomes) · Torrance, CA; Rio Rancho, NM
• Senior Mechanical Design Engineer (ACS Systems) · Rio Rancho, NM; Torrance, CA

LA Manufacturing - Avionics (14)

• Avionics Manufacturing Specialist, PCBA · Torrance, CA
• Avionics Lead – Integration / Electromechanical · Torrance, CA
• Lead Avionics Technician - PCBA · Torrance, CA
• Manufacturing Engineer, PCBA · Rio Rancho, NM
• Avionics Manufacturing Engineer, Electrical Integration · Rio Rancho, NM
• Avionics Manufacturing Specialist, Harnessing · Torrance, CA
• Avionics Production Scheduler · Torrance, CA
• Avionics Integration Technician · Torrance, CA
• Avionics Harness Technician · Torrance, CA
• Lead Manufacturing Engineer, Harnessing · Torrance, CA
• Avionics R&D Technician - PCBA, Multiple Levels · Torrance, CA
• Avionics Manufacturing Engineer, Electrical Integration · Torrance, CA
• Avionics Manufacturing Supervisor · Torrance, CA
• Industrial Engineer, Avionics · Torrance, CA

Facilities (12)

• Facilities Maintenance Technician · Rio Rancho, NM
• Facilities Technician · Midland, TX
• Facilities Construction Project Manager · Rio Rancho, NM; Torrance, CA
• Lead Facilities Technician · Midland, TX
• Facilities Maintenance Technician · Torrance, CA
• Facilities Electrician · Rio Rancho, NM
• Facilities Electrician · Torrance, CA
• Facilities HVAC Technician · Rio Rancho, NM
• Facilities HVAC Technician · Torrance, CA
• Facilities Carpenter · Rio Rancho, NM; Torrance, CA
• Facilities Coordinator · Torrance, CA
• Facilities Technician · Torrance, CA

LA Manufacturing - R&D (11)

• Manager, Tooling Engineering · Torrance, CA
• Manager, Automation and Controls Engineering · Torrance, CA
• Lead R&D Technician - Mechanical Assembly · Torrance, CA
• Lead R&D Technician - Special Processes · Torrance, CA
• Staff Toolmaker / Laser Tracker Operator · Torrance, CA
• R&D Technician- Structural Welding · Torrance, CA
• Production Supervisor · Torrance, CA
• Supervisor – R&D (Nightshift) · Torrance, CA
• Tooling Engineer, Senior · Torrance, CA; Rio Rancho, NM
• Tooling, Automation & Controls Manager · Torrance, CA
• Senior Tooling Fab Supervisor · Torrance, CA

EHS (9)

• EHS Manager · Torrance, CA
• EHS Technician · Torrance, CA
• EHS Engineer · Rio Rancho, NM
• EHS Engineer · Torrance, CA
• Industrial Hygienist · Torrance, CA
• Industrial Hygienist · Rio Rancho, NM
• EHS Engineer · Midland, TX
• EHS Specialist · Torrance, CA
• Explosives Safety & Operations Officer · Rio Rancho, NM

Flight Sciences (8)

• Senior Electronics Design and Analysis Engineer · Torrance, CA
• Mechanism Test Specialist · Torrance, CA
• Senior Development Test Engineer - Mechanisms · Torrance, CA
• Development Test Engineer - Mechanisms · Torrance, CA
• Senior Propellant Analyst · Torrance, CA
• Manager, Development Test · Torrance, CA
• Structural Analysis Engineer · Torrance, CA; Rio Rancho, NM
• Senior Thermal Engineer · Torrance, CA

Radar Engineering (7)

• Mechanical Engineer · Allen, TX
• Senior Web Developer · Allen, TX
• Cloud Compute Engineer · Allen, TX
• Senior FPGA Engineer · Allen, TX
• Near Field Test and Automation Lead · Torrance, CA
• Senior Embedded Software Engineer · Allen, TX
• Systems Test Engineer · Allen, TX

Software (7)

• Staff DevOps Engineer · Allen, TX; Torrance, CA
• Senior Embedded Software Engineer · Torrance, CA
• Senior Flight Software Engineer · Torrance, CA
• Lead Flight Software Engineer · Rio Rancho, NM
• Site Reliability Engineer · Allen, TX, Torrance, CA
• Senior Applied AI Engineer · Torrance, CA
• Software Security Engineer · Torrance, CA

Manufacturing - Propulsion (6)

• Senior Manufacturing Engineer, Structural Bonding · Rio Rancho, NM
• Senior Manufacturing Engineer, Igniters and Pyrotechnics · Rio Rancho, NM
• Senior Manufacturing Engineer – Sheet Metal Forming & Welding · Torrance, CA
• Senior Manufacturing Engineer, Nozzles · Torrance, CA
• Automation & Controls Engineer · Torrance, CA
• Test Engineer · Rio Rancho, NM

Physical Security (5)

• Manager, Physical Security Programs · Torrance, CA
• Manager, Global Security Operations Center · Rio Rancho, NM
• Global Security Operations Center Specialist · Rio Rancho, NM
• Security Officer I (Armed) · Rio Rancho, NM
• Supervisor, Physical Security (Armed) · Rio Rancho, NM

Mechanical Engineering (5)

• Test Specialist – Environmental Lab · Torrance, CA
• Mechanical Engineering Intern (Summer 2027) · Allen, TX
• Staff Mechanical Design Engineer · Torrance, CA
• Deputy Program Engineer, Hypersonic Strike · Torrance, CA
• Senior Mechanical Design Engineer · Torrance, CA

LA Manufacturing (5)

• Materials & Process Engineer, Densification · Torrance, CA
• Composites R&D Technician – Chemical Vapor Deposition (CVD) · Torrance, CA
• Launch R&D Technician · Torrance, CA
• Manufacturing Engineer - Bonding · Torrance, CA
• Senior R&D Technician - Mechanisms · Torrance, CA

Security (4)

• Physical Security Specialist · Washington, DC
• Physical Security Specialist · Allen, TX
• Electronic Security Systems Specialist · Rio Rancho, NM
• Electronic Security Systems Specialist · Torrance, CA

Recruiting (4)

• Technical Recruiter, Operations · Torrance, CA
• Technical Recruiter, Manufacturing · Torrance, CA
• Senior Technical Recruiter · Torrance, CA
• Senior Technical Sourcer (Contract) · Torrance, CA

Weapons Integration (4)

• Lead, Mission Software Engineer · Torrance, CA
• Mission Software Engineer · Torrance, CA
• Weapons Integration Engineer (Multiple Levels) · Torrance, CA
• Senior System Safety Engineer · Torrance, CA

Avionics (4)

• Avionics Lab & Infrastructure Manager · Torrance, CA
• Electrical Engineer Intern - Spring 2027 (Avionics) · Torrance, CA
• Avionics Systems Integration Engineer, Senior · Torrance, CA
• Avionics Reliability Engineer · Torrance, CA

IT (3)

• Head of Information Technology · Torrance, CA
• IT Network Engineer · Allen, TX
• Manager, IT Service Desk · Torrance, CA

Human Resources (3)

• Human Resources Generalist · Torrance, CA
• Technical Recruiter · Torrance, CA
• Human Resources Manager · Rio Rancho, NM

Quality (3)

• Instructional Designer · Torrance, CA
• Inspector - Avionics/Electrical · Torrance, CA
• Dimensional and Mechanical Inspector · Torrance, CA

Flight Operations (2)

• Flight Test Engineer · Torrance, CA
• Flight Test Logistician · Torrance, CA

Program Security (2)

• Information System Security Engineer (ISSE) · Torrance, CA
• COMSEC Manager · Torrance, CA

GNC (2)

• Senior GNC Engineer · Rio Rancho, NM; Torrance, CA
• Senior Simulation Software Engineer, GNC · Torrance, CA

Avionics Test (2)

• Avionics Test Software Engineer, Senior, Staff · Allen, TX; Rio Rancho, NM; Torrance, CA
• Avionics Technician Specialist · Torrance, CA

Materials Engineering (2)

• Materials and Process Engineer, Impregnation · Torrance, CA
• Sr. Materials & Process Engineer, Materials Characterization · Torrance, CA

Program Management (1)

• Scheduler · Torrance, CA

Engineering (1)

• Director of Test · Torrance, CA

Business Development (1)

• Director, International Business Development · Torrance, CA; Washington, DC

LA Machine Shop (1)

• Manufacturing Engineer – Advanced Composite Machining · Torrance, CA

LA Manufacturing - Mechanical Assembly (1)

• Manufacturing Engineer, Mechanical Assembly · Torrance, CA

Operations (1)

• HR Coordinator · Torrance, CA

Site Development (1)

• R&D Technician · Midland, TX

Propulsion Engineering (1)

• Propulsion Engineer · Torrance, CA

LA Manufacturing - Composites (1)

• Senior Manufacturing Engineer - Composites · Torrance, CA

… and 63 more open roles.

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