IT Security Administrator

Mutual Trading Company•El Monte, CA

2d•Onsite

About The Position

Mutual Trading Co., Inc., established in 1926, is a leading Japanese foodservice supplier and a "Culinary Ambassador" promoting Japanese foods worldwide. We import, manufacture, and distribute over 8,000 Japanese foods, beverages, restaurant equipment, and supplies. We are seeking an IT Security Administrator to join our team.

Requirements

Business level English required – Read/write/speak/listen
Bachelor’s degree in computer science or information security or related field required.
Hands-on experience with Microsoft Defender (Endpoint, Identity, and/or Cloud) and Microsoft 365 Security & Compliance tools.
Experience with endpoint and device management solutions (e.g., Microsoft Intune, MDM/MAM platforms).
Strong understanding of device compliance, patch management, and software update processes.
Knowledge of security policy implementation and enforcement.
Familiarity with firewalls, IDS/IPS, vulnerability management, and endpoint protection.
Proficiency with operating systems (Windows, macOS, Linux).
1+ years of cybersecurity required.

Nice To Haves

Business level Japanese preferred – Read/write/speak/listen
Maintain a positive attitude
3-5 years of experience preferred
Knowledge of Incident response and threat analysis
Knowledge Network defense and endpoint security
Problem-solving skills
Advanced Microsoft Office 365 and Defender proficiency.
Strong Communication and interpersonal skills
Exceptional organization and time management skills
Excellent mentoring, coaching, and people management skills.

Responsibilities

Monitor security events and alerts using SIEM, Microsoft security tools, and other monitoring platforms.
Perform triage, analysis, and validation of potential security incidents.
Correlate alerts with threat intelligence to determine risk and business impact.
Investigate suspicious activities and respond to security incidents in real time.
Contain threats to prevent lateral movement across systems, endpoints, and networks.
Escalate complex or high-risk incidents to senior analysts as needed.
Operate and maintain security technologies, including SIEM, IDS/IPS, firewalls, DLP, and endpoint protection tools.
Administer and monitor Microsoft Defender and Microsoft 365 security and compliance platforms.
Leverage UEBA and SOAR capabilities to enhance threat detection and automate response processes.
Manage and monitor endpoint security posture across organizational devices.
Support device management platforms (e.g., Microsoft Intune, MDM/MAM solutions).
Ensure device compliance with corporate security standards, including patching, encryption, and access controls.
Oversee and support company-wide software updates and vulnerability remediation efforts.
Enforce and support security policies, standards, and procedures.
Assist in maintaining compliance with internal and regulatory requirements (e.g., J-SOX).
Proactively identify and mitigate risks to minimize downtime and business disruption.
Act as a central point of contact for security-related incidents and communications.
Provide security guidance and support to all business units.
Maintain accurate documentation of incidents, investigations, and remediation actions.
Support internal and external audits through reporting and evidence collection.
Supports the implementation of IT policies and procedures, including those pertaining to architecture, security, disaster recovery, standards, and project portfolio management.
Negotiates and manages vendor, outsourcer, and consultant contracts and service agreements.
Provides expert support to the new ERP project team leveraging deep operational knowledge.
Attends Company events and functions outside of normal working hours.
Obligation to answer to all upper management as requested.