Skillhouse Internal Career Opportunity

Senior Security Engineer

Position Title:

Senior Security Engineer

Employment Type:

Permanent

Working Hours:

English Level - Advanced (TOEIC 860),Japanese Level - None

Salary

12000000.00

Description

 

 


One of Japan's larger IT Trading System providers is now looking for a Senior Security Engineer .

You will monitor and respond to security alerts, perform triage and investigations, manage client tickets, collaborate with teams on incident response, and engage in security projects. You will stay updated on emerging threats, conduct risk assessments, and implement security strategies to protect systems and data. As a technical focal point for security solutions, you will provide guidance, mentorship, and ensure alignment with industry standards. Strong communication, teamwork, and problem-solving skills are essential for success in this role.

Responsibilities:
- Monitor SIEM/SOAR platforms and respond to suspicious or abnormal alerts in a timely manner.
- Perform initial triage and investigation of alerts, using multiple data sources and documenting findings.
- Manage and resolve client tickets, including tracking and follow-up on ongoing security incidents.
- Collaborate with Incident Response and cross-functional teams to support investigations and security initiatives.
- Stay up to date on emerging threats, including CVEs and known exploits, and apply insights to daily operations.
- Serve as a technical focal point for security solutions such as firewalls, WAF, NAC, TLS/SSL, DNS security, and vulnerability tools.
- Demonstrate expertise in web security, patch management, and core security domains (e.g., email security, IPS).
- Conduct risk assessments, security audits, and compliance checks to identify and mitigate vulnerabilities.
- Develop and implement security strategies, policies, and best practices to protect systems, networks, and data.
- Secure cloud environments (AWS, Azure, GCP), implement cloud security tools (CSPM, CIEM, CWPP), and integrate security into CI/CD pipelines.

Required Skills:
- 5+ years of experience in infrastructure security.
-  Hands-on experience in an IT Security Operations Center (SOC).
-  Extensive knowledge and experience with Security Information and Event Management (SIEM) systems.
-  Expertise with Intrusion Detection and Prevention Systems (IDS/IPS).
-  Strong understanding of SSL/TLS, DNS, TCP/IP, computer networking, routing, and switching
- System administration experience with Windows, Mac, and Linux/UNIX device.
-  Proficiency in system log forensics (e.g., Syslog and Event Viewer).
 - Proven experience securing cloud environments (AWS, Azure, or GCP) and familiarity with cloud-native security tools.
 - Experience with cloud security tools such as CSPM, CIEM, or CWPP.
 - Knowledge of DevOps practices and integrating security into CI/CD pipelines.
 - Exceptional troubleshooting, analytical, and problem-solving abilities.
 - Strong organizational skills and ability to work independently while adhering to established processes.
 - Excellent verbal and written communication skills for engaging with peers, management, and clients.
 - Proven ability to create clear, concise, and professional technical documentation.

Why should you apply:
- Work on a Proprietary Trading System (PTS) used by major finance securities companies in Japan, and diversity environment in IT department. 
- There are opportunities to learn at this cutting-edge FinTech company.


Company Details:
A leading financial solution service company operates a highly sophisticated Proprietary Trading System (PTS) for the trading of Japanese equities. The company prides itself of a very international environment, structure career progression and support, including providing learning opportunities for candidates interested in the financial and trading industry.

Working Hours: 9:00 - 18:00(Mon - Fri)
Working Style: Work in office
Holidays:  Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays. (Compensatory holiday for weekend working.)
Services/Benefits:  Social Insurance, 401K, Company life insurance plan, Medical check etc., Casual Dress code, Self-directed continuous learning programs
Interview Process:  3 interviews (HR + Hiring Manager, Other Department Manager, CIO). Final interview is face to face. 
 


Apply today

If you are interested in this position at Skillhouse, please provide your contact details and attach your CV. We’ll get back to you as soon as we can.

Tomoecho Annex No.2 Building

3-8-27 Toranomon Minato-ku, Tokyo

03-5408-5070

internalcareers@skillhouse.co.jp

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