Defense Jobs in Japan

Defense jobs in Japan hiring now at vetted startups and product companies on Alion, updated daily. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Japan
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

CrowdStrike

crowdstrike.com
CrowdStrike is a global cybersecurity leader specializing in cloud-delivered endpoint protection, threat intelligence, and cyberattack response services. Headquartered in Austin, Texas, and publicly traded on the Nasdaq (CRWD), the company provides real-time security solutions to enterprises worldwide.
crowdstrike.com • HQ: Austin, United States • Cybersecurity AI • LLM & Generative AI • Artificial Intelligence • Professional Services • Application Security • Threat Intelligence • Endpoint Security • Cybersecurity • 5000+ employees
HQ: Austin, United States • Cybersecurity AI • LLM & Generative AI • Artificial Intelligence • Professional Services • Application Security • Threat Intelligence • Endpoint Security • Cybersecurity • 5000+ employees
Verified live · 1 hour ago 10 hours ago

Incident Response Senior Consultant (Remote)

$44k – $99k per year (Estimated) • Equity • Senior • TokyoNagoyaOsaka • Remote (Japan) • Full-Time • Senior • Japanese: C2 • English
Bash
Perl
PowerShell
Python
DevOps
Splunk
Cybersecurity
Crowdstrike
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$20k – $46k per year (Estimated) • Equity • Junior • MelbourneSydneyTokyo • Remote (Japan) • Visa sponsorship • Full-Time • Junior • Japanese: C2
C#
Perl
Python
Ruby
C#
.NET
Ruby
Ruby on Rails
Cybersecurity
Crowdstrike
Apply
Verified live · 1 hour ago 25 days ago

Director, Customer Value Architects

$66k – $140k per year (Estimated) • Equity • Executive • 15+ years expIn office (Tokyo, Japan) • Full-Time • Architect
Crowdstrike
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UP Education

up.education
UP Education is a major private dual-sector tertiary education provider operating across New Zealand and Australia. Headquartered in Auckland, the group delivers higher education degrees, vocational education and training (VET), and university preparation pathway programs across a regional network of over 60 campuses alongside online platforms.
up.education • HQ: Auckland, New Zealand • Education
HQ: Auckland, New Zealand • Education
Verified live · 2 hours ago 8 days ago

Ethical Hacking and Cybersecurity Tutor

New Zealand • Remote • Full-Time • Junior • English
AWS
Kali Linux
Splunk
Cybersecurity
Burp Suite
Microsoft Sentinel
Nmap
Wireshark
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Recorded Future

recordedfuture.com
Recorded Future is a cybersecurity intelligence company headquartered in Somerville, Massachusetts, and founded in 2009. The firm provides a comprehensive threat intelligence platform that uses automated data collection and analysis to identify cyber risks across the open, deep, and dark web. It operates on a global scale, serving thousands of enterprise and government clients with specialized modules for vulnerability management, fraud detection, and digital risk protection.
recordedfuture.com • HQ: Somerville, United States • Intelligence • Government • Cybersecurity AI • Artificial Intelligence • Vulnerability Management • Fraud Detection • Cybersecurity • Threat Intelligence • Est. 2009
HQ: Somerville, United States • Intelligence • Government • Cybersecurity AI • Artificial Intelligence • Vulnerability Management • Fraud Detection • Cybersecurity • Threat Intelligence • Est. 2009
Verified live · 3 hours ago 12 days ago

Principal Technical Account Manager

$63k – $113k per year (Estimated) • Lead • 7+ years expIn office (Tokyo, Japan) • Bachelor's Degree • Principal • Japanese: C2
Diamond Model
Recorded Future
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Mirantis

mirantis.com
Mirantis is a B2B open-source cloud computing, container management, and AI infrastructure company headquartered in Campbell, California. Originally known as a core contributor to OpenStack, Mirantis now provides open-cloud software and managed services centered on Kubernetes, multi-cloud platforms, and enterprise AI workloads.
mirantis.com • Calgary • Warsaw • Brussels • Prague • Poznań • DevOps • Information Technology • Cloud Computing • 1001-5000 employees
Calgary • Warsaw • Brussels • Prague • Poznań • DevOps • Information Technology • Cloud Computing • 1001-5000 employees
Verified live · 1 hour ago 13 days ago

HPC Network Engineer

Remote/Hybrid (Tokyo, Japan) • Full-Time • Senior
Bash
Python
AI/ML
InfiniBand
DevOps
Ansible
Kubernetes
Platform Engineering
Terraform
HPC
AWS
Cybersecurity
FortiGate
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Vectra

vectra.ai
Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks. It helps enterprises reduce cyber risk, detect and contain active threats, and strengthen resilience across hybrid and multi-cloud environments.
vectra.ai • Bengaluru • San Jose • Austin • Tokyo • Chicago • Artificial Intelligence • Information Security • Cybersecurity • Est. 2011
Bengaluru • San Jose • Austin • Tokyo • Chicago • Artificial Intelligence • Information Security • Cybersecurity • Est. 2011
Open 143 daysVerified live · 7 hours ago 4 months ago

Security Engineer, Pre-Sales

Equity • In office (Tokyo, Japan)
Red Teaming
DevOps
AWS
Cybersecurity
MITRE D3FEND
Vectra AI
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Salesforce

salesforce.com
Salesforce is a global leader in cloud-based customer relationship management (CRM) software, helping businesses connect with their customers in a whole new way. Its comprehensive Customer 360 platform provides integrated applications for sales, customer service, marketing automation, e-commerce, and analytics.
salesforce.com • HQ: San Francisco, United States • Software • Information Technology • Sales & Marketing • Media & Entertainment • AI Agents • Commerce • Books • Professional Services • Artificial Intelligence • Marketplaces • Marketing Automation • Cloud Computing • Customer Relationship Management (CRM) • 1001-5000 employees
HQ: San Francisco, United States • Software • Information Technology • Sales & Marketing • Media & Entertainment • AI Agents • Commerce • Books • Professional Services • Artificial Intelligence • Marketplaces • Marketing Automation • Cloud Computing • Customer Relationship Management (CRM) • 1001-5000 employees
Verified live · 2 hours ago 15 days ago

Principal Technical Support Engineer (Integration)

$28k – $79k per year (Estimated) • Lead • 3+ years expIn office (Tokyo, Japan) • PhD • Full-Time • Principal • English (Optional) • Japanese: C1 (Optional)
Apex
JavaScript
PHP
SQL
C#
Apex
Lightning Web Components
MuleSoft
C#
.NET
AI/ML
AI Agents
Agentforce
Frontend
Web Components
DevOps
Amazon EKS
AWS
Azure
Azure AKS
Kubernetes
Cybersecurity
Tcpdump
Marketing
Salesforce
Apply
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Dragos

dragos.com
Secure your critical infrastructure with Dragos, our industrial cybersecurity solutions provide unmatched visibility and threat detection for OT environments.
dragos.com • Hanover • Houston • Washington • Norfolk • Internet Security Services • Information Security • Cybersecurity
Hanover • Houston • Washington • Norfolk • Internet Security Services • Information Security • Cybersecurity
Open 128 daysVerified live · 4 min ago 4 months ago

Associate Principal Solutions Architect (Japan)

$56k – $121k per year (Estimated) • Lead • 5+ years exp • Remote (Japan) • Architect • Japanese: C1
ElasticSearch
DevOps
Docker
Kibana
Logstash
Cybersecurity
Tcpdump
Wireshark
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Softtek

softtek.com
Softtek is a Mexican technology company founded in 1982 and headquartered in Monterrey. It provides software development, digital transformation and managed services worldwide. The company pioneered the nearshore delivery model from Latin America.
softtek.com • HQ: Monterrey, Mexico • Information Technology • 1001-5000 employees • Est. 1982
HQ: Monterrey, Mexico • Information Technology • 1001-5000 employees • Est. 1982
Verified live · 1 day ago 20 days ago

Incident Analyst Cybersecurity Junior

$50k – $106k per year (Estimated) • Junior • 2+ years exp • Remote • Junior • Spanish: C1
PowerShell
DevOps
Azure
Incident Management
SLI/SLO/SLA
Splunk
Vector
Cybersecurity
Darktrace
Microsoft Entra ID
MITRE ATT&CK
Apply
Report

Cisco Systems

cisco.com
Cisco Systems is an American multinational digital communications and technology conglomerate headquartered in San Jose, California. Founded in 1984 by Stanford computer scientists, Cisco is the world's largest networking equipment provider and a global leader in cybersecurity, cloud infrastructure, and enterprise software.
cisco.com • HQ: San Jose, United States • Enterprise Networks • Artificial Intelligence • Log Analytics • Government • AI Infrastructure • 1001-5000 employees • Est. 1984
HQ: San Jose, United States • Enterprise Networks • Artificial Intelligence • Log Analytics • Government • AI Infrastructure • 1001-5000 employees • Est. 1984
$41k – $104k per year (Estimated) • Senior • 5+ years expMinato • Remote (Japan) • Full-Time • Senior • Japanese: C1
Python
DevOps
AWS
kubectl
Kubernetes
Amazon CloudWatch
Grafana
Loki
Prometheus
Cybersecurity
Tcpdump
Wireshark
Zero Trust
Apply
$50k – $118k per year (Estimated) • Lead • Minato • Remote (Japan) • Full-Time • Staff • Japanese: C1
Python
DevOps
AWS
kubectl
Kubernetes
Amazon CloudWatch
Grafana
Loki
Prometheus
Cybersecurity
Tcpdump
Wireshark
Zero Trust
Apply
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Canonical

canonical.com
Canonical is the publisher of Ubuntu, the world's most widely used Linux distribution, headquartered in London. Founded in 2004 by Mark Shuttleworth, the company provides enterprise-grade services, support, and security for open-source software, enabling organizations to deploy and manage workloads consistently across diverse environments. Their portfolio spans the entire compute spectrum - from public and private cloud infrastructure (OpenStack), container orchestration (Kubernetes/MicroK8s), and data center management to specialized edge and IoT computing.
canonical.com • HQ: London, United Kingdom • Artificial Intelligence • Software • Information Technology • 1001-5000 employees • Est. 2004
HQ: London, United Kingdom • Artificial Intelligence • Software • Information Technology • 1001-5000 employees • Est. 2004
Open 1721 dayVerified live · 10 hours ago 5 years ago

Sustaining Operations Engineer

Remote
C++
Python
Databases
PostgreSQL
DevOps
Debian
Docker
Kubernetes
KVM
OpenStack
QEMU
Ubuntu
Cybersecurity
Tcpdump
Apply
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DXC Technology

dxc.com
DXC Technology is an American multinational information technology services and consulting company headquartered in Ashburn, Virginia. Formed in 2017 through the merger of Computer Sciences Corporation (CSC) and the Enterprise Services business of Hewlett Packard Enterprise (HPE), it trades publicly on the NYSE under the ticker DXC.
dxc.com • HQ: Ashburn, United States • Information Technology • IT Outsourcing • IT Consulting • 1001-5000 employees • Est. 2017
HQ: Ashburn, United States • Information Technology • IT Outsourcing • IT Consulting • 1001-5000 employees • Est. 2017
Verified live · 1 day ago 27 days ago

【Security】SOC/MDR Delivery Leader

$35k – $86k per year (Estimated) • Lead • In office (Tokyo, Japan) • Full-Time • Staff
Splunk
Cybersecurity
Carbon Black
Crowdstrike
Exabeam
IBM QRadar
LogRhythm
Microsoft Defender
Microsoft Defender for Cloud
Microsoft Sentinel
Qualys Cloud Platform
Apply
Verified live · 1 day ago 27 days ago

【Security】Presales Solution Architect – SOC Service

$37k – $93k per year (Estimated) • Staff+ • In office (Tokyo, Japan) • Full-Time • Architect
Splunk
Cybersecurity
Crowdstrike
Microsoft Defender
Microsoft Sentinel
Qualys Cloud Platform
Tanium
Zscaler
Apply
Report

Kodex Technologies

kodextech.com
Kodex Technologies is an international IT services, custom software development, and digital transformation agency headquartered in Lahore, Pakistan. Founded as a performance-oriented digital software firm, the enterprise operates on a B2B project-based development, fixed-price contract, hourly IT consulting, and dedicated team/staff augmentation commercial model.
kodextech.com • HQ: Lahore, Pakistan • Design & Creative • Sales & Marketing • Software
HQ: Lahore, Pakistan • Design & Creative • Sales & Marketing • Software
$60k – $154k per year (Estimated) • Middle • 3+ years expSydney • Remote (APAC) • Full-Time • Middle • Thai: C1 (Optional) • Hindi: C1 (Optional) • English: C1
Censys
MITRE ATT&CK
Shodan
VirusTotal
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Control Risks

controlrisks.com
Control Risks is a global specialist risk and strategic consulting firm focused on political, security, and integrity risks. Founded in 1975 and headquartered in London, the company assists organizations in understanding and navigating complex operational challenges, geopolitical volatility, and crisis management across hostile or high-risk environments worldwide. Its comprehensive suite of services includes corporate investigations, cyber risk assessment, due diligence, and on-the-ground protective support for multinational enterprises and institutions.
controlrisks.com • HQ: London, United Kingdom • Financial Services • Cybersecurity • Professional Services • Risk Management
HQ: London, United Kingdom • Financial Services • Cybersecurity • Professional Services • Risk Management
Verified live · 1 day ago 1 month ago

Cyber Detection and Response Analyst, Asia Pacific

Middle • 3+ years expSydney • Remote (APAC) • Bachelor's Degree • Contractor • Middle
AWS
Azure
GCP
Splunk
Cybersecurity
Crowdstrike
MITRE ATT&CK
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Databento

databento.com
Databento streamlines access to market data, offering a user-friendly self-service platform. Customers can quickly obtain live exchange feeds and vast amounts of historical data, with flexible pricing based solely on usage.
databento.com • San Francisco • New York • London • Beijing • Salt Lake City • Financial Services • Data & Analytics • Capital Markets
San Francisco • New York • London • Beijing • Salt Lake City • Financial Services • Data & Analytics • Capital Markets
Verified live · 9 hours ago 2 months ago

Technical Support Engineer (L1/Frontline Support), APAC

Junior • 2+ years expHong Kong • Remote (APAC) • PhD • Junior
Python
SQL
DevOps
eBPF
Grafana
Loki
Prometheus
Cybersecurity
Tcpdump
Wireshark
Management
Slack
QA
Sentry
Apply
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bitbank

bitbank.cc
bitbank is a Tokyo cryptocurrency exchange founded in 2014 and licensed by the Financial Services Agency. It offers spot trading in major digital assets with a focus on liquidity and charting tools for active traders. The company also runs custody and blockchain research operations in Japan.
bitbank.cc • HQ: Tokyo, Japan • Blockchain & Crypto • Est. 2014
HQ: Tokyo, Japan • Blockchain & Crypto • Est. 2014
$34k – $82k per year (Estimated)In office (Tokyo, Japan) • Full-Time
Python
TypeScript
AI/ML
ChatGPT
Claude
Copilot
Cursor
Gemini
DevOps
Amazon EC2
Amazon EKS
AWS
AWS Fargate
AWS Lambda
CI/CD
CloudFormation
Datadog
FinOps
GitHub Actions
Grafana
Kubernetes
Platform Engineering
Prometheus
Red Hat
Terraform
Amazon CloudWatch
GitHub
Cybersecurity
AWS WAF
Sumo Logic
Management
Google Workspace
Miro
Slack
Apply
$34k – $82k per year (Estimated)In office (Tokyo, Japan) • Full-Time
Python
TypeScript
AI/ML
ChatGPT
Claude
Copilot
Cursor
Gemini
DevOps
Amazon EC2
Amazon EKS
AWS
AWS Fargate
AWS Lambda
CI/CD
CloudFormation
Datadog
FinOps
GitHub Actions
Grafana
Kubernetes
Platform Engineering
Prometheus
Red Hat
Terraform
Amazon CloudWatch
GitHub
Cybersecurity
AWS WAF
Sumo Logic
Management
Google Workspace
Miro
Slack
Apply
In office (Tokyo, Japan) • Full-Time
JavaScript
Kotlin
Swift
TypeScript
Java
Node JS
Java
Gradle
Node JS
Nest.JS
Databases
Amazon Aurora
DynamoDB
MySQL
Redis
AI/ML
ChatGPT
Copilot
Frontend
Angular
Next.js
React.js
Vue.js
Mobile
Crashlytics
Firebase
Firebase App Distribution
SwiftUI
TestFlight
UIKit
DevOps
AWS
AWS CDK
CI/CD
CloudFormation
GCP
Git
GitHub Actions
Nginx
PagerDuty
Amazon ECS
Amazon S3
GitHub
Cybersecurity
Sumo Logic
Design
Figma
Management
Google Workspace
Miro
Slack
Apply
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Sophos

sophos.com
Sophos is a global leader in cybersecurity, providing businesses and individuals with a comprehensive range of solutions to protect against a wide range of cyber threats. Our products include endpoint protection, network security, and cloud security. Sophos is committed to providing our customers with the highest level of security and protection, and we are always innovating to stay ahead of the latest threats.
sophos.com • HQ: Oxford, United Kingdom • Internet Security Services • Managed Security • Information Security • Cybersecurity
HQ: Oxford, United Kingdom • Internet Security Services • Managed Security • Information Security • Cybersecurity
Verified live · 22 min ago 5 months ago

Incident Response & Threat Intelligence Lead​

$39k – $97k per year (Estimated) • Lead • 5+ years exp • Remote (Japan) • Full-Time • Staff • Japanese • English: C1 (Optional)
SQL
DevOps
AWS
Cybersecurity
Autopsy
EnCase
FTK
MITRE ATT&CK
osquery
Sophos
X-Ways Forensics
Apply
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AIG

aig.com
We're a leading global insurance organization with operations in approximately 80 countries and jurisdictions. We provide a wide range of property casualty insurance, life insurance, retirement solutions, and other financial services to support ou...
aig.com • Dallas • New York • Miami • London • Melbourne • Insurance • 1001-5000 employees • Est. 1919
Dallas • New York • Miami • London • Melbourne • Insurance • 1001-5000 employees • Est. 1919
$37k – $91k per year (Estimated) • Lead • 12+ years expIn office (Tokyo, Japan) • Full-Time • Staff • Japanese • English: C1
PowerShell
Python
DevOps
Amazon EKS
AWS
Azure
Azure AKS
GCP
Kubernetes
Cybersecurity
Crowdstrike
Qualys Cloud Platform
Tanium
Trend Micro
Wiz
CIS Benchmarks
ISO 27001
PCI DSS
Apply
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Rapyuta Robotics

rapyuta-robotics.com
We’re the fastest way to go from idea to solution. Build on top of a state-of-the-art field tested platform that allows you to build, deliver, monitor, and scale your robotics application. Take a holistic approach including people, processes, and technology.
rapyuta-robotics.com • HQ: Tokyo, Japan • Robotic Software & Control Systems • Robotics • Logistics & Warehouse Robotics • 11-50 employees
HQ: Tokyo, Japan • Robotic Software & Control Systems • Robotics • Logistics & Warehouse Robotics • 11-50 employees
Open 922 daysVerified live · 2 hours ago 2 years ago

Network Engineer

In office (Kōtō, Japan)
Wireshark
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Defense Jobs in Japan
Frequently asked questions
How many Defense jobs in Japan are available on Alion?
There are currently 17 active listings from 9 hiring companies on Alion, refreshed daily.
Which companies are hiring for Defense jobs in Japan?
9 vetted startups and product companies are currently hiring on Alion.
Are remote options available for Defense jobs in Japan?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Defense jobs in Japan?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.