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gater paulus

@gaterpaulus

I lead cybersecurity operations, network security, and resilient infrastructure across financial services.

Indonesia
Message

At Bank Woori Saudara, I lead IT Security Defence and Operation, implementing protection aligned with the NIST Security Framework, PCI DSS, ISO 27001:2022, BI, and OJK requirements. I oversee security posture across data centers, clients, servers, SOC monitoring, firewalls, endpoint detection and response, SIEM, IAM/PAM, email security, vulnerability assessment, WAF, and patch management.

I've led security teams at Hibank, KoinWorks, TaniHub Indonesia, and Danamas, covering firewall, proxy, VPN, load balancing, IPS, email security, SIEM operations, vulnerability scanning, penetration testing, hardening, code review, remediation tracking, and privileged identity management.

Earlier, I built and operated data-center, cloud, and nationwide MPLS infrastructure for Bizzy, XL Planet, OVO–Lippo X, MNC Sky Vision, Bank Sinarmas, Bakrie Telecom, ECI Telecom, and PT Telekomunikasi Indonesia. I bring 15+ years across telecommunications, banking, PayTV, and financial services, including AWS, Cisco ACI, Juniper, BGP, network security, and disaster-recovery environments.

Experience

Work history, roles, and key accomplishments

BS
Current

Dept Head IT Security Defence and Operation

Bank Woori Saudara

Jan 2025 - Present (1 year 7 months)

Ensure security protection is implemented based on NIST Security Framework such as Identify, Protection, Detect, Respond and Recovery. Manage security posture for data center, client and server, SOC, firewall, endpoint detection and response, and compliance with PCI DSS, ISO 27001, and other regulations.

BI

Dev-ops Engineer

Bizzy

Jan 2019 - Jul 2019 (6 months)

Manage Cloud AWS for development including VPC, subnet, virtual private gateway, NAT gateway, load balancer, and monitoring tools. Manage bare metal data center for hybrid interconnection and create DC-DRC blueprint network DMZ.

BT

Supervisor Technical Support

Bakrie Telecom

Jan 2009 - Dec 2009 (11 months)

Manage broadband internet service provider for EVDO with CDMA 1x, test links for international and national broadband services, and monitor SDH and MPLS links. Oversee technical support team for troubleshooting and problem resolution.

ET

Engineer Installation

ECI Telecom

Jan 2008 - Dec 2008 (11 months)

Install and configure PDH and SDH topology links for backbone networks, including DWDM 16 channel systems for various nodes. Ensure proper network connectivity and performance.

Education

Degrees, certifications, and relevant coursework

PU

Persada Indonesia University

Bachelor Degree, Technical Informatics

2007 - 2009

Pursued a Bachelor's degree in Technical Informatics, focusing on the fundamentals of computer science and information technology.

SJ

STMIK Jakarta

Diploma III, System Information

2003 - 2006

Completed a Diploma III in System Information, gaining foundational knowledge in information systems and technology.

Tech stack

Software and tools used professionally

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