About
Result-driven network security officer with 10+ years of experience delivering moderate-to-complex network and network security solutions using Cisco Firepower, Cisco ASA, F5, Palo Alto, Check Point, and Fortigate.
I turn difficult projects into successes by understanding customer needs, coordinating with project teams, and deploying solutions with a best-practices approach.
Experience
Network Security Officer
2022 - PresentBank Mandiri
- ▹Oversee firewall and VPN administration to safeguard enterprise connectivity.
- ▹Troubleshoot network security incidents across on-premises and cloud estates.
- ▹Manage security change requests and coordinate cross-team execution.
- ▹Assess firewall policies to uphold regulatory compliance and risk posture.
Senior Network Security Engineer
2018 - 2022Mastersystem Infotama
- ▹Translate customer requirements into network security architectures and designs.
- ▹Implement complex network security deployments across multi-vendor stacks.
- ▹Maintain security policies and device configurations for enterprise clients.
- ▹Lead intrusion investigations and drive preventive and corrective actions.
- ▹Recommend long-term improvements for resilience and operational maturity.
Network Engineer
2014 - 2018PT Mastersystem Infotama
- ▹Delivered first-line support for customer network incidents and requests.
- ▹Performed scheduled preventive maintenance to sustain service levels.
- ▹Executed implementation projects and produced operational documentation.
Skills
Proficient In
- ▹Firewall administration: Cisco Firepower, Palo Alto, Fortigate, Check Point
- ▹Network security architecture and design
- ▹Intrusion and threat analysis
- ▹HTTP and DNS protocol hardening
- ▹Linux administration and automation
Knowledgeable About
- ▹AWS architecture: EC2, Elastic Load Balancer, Elastic Beanstalk, Amazon RDS
- ▹Serverless solutions: API Gateway, Lambda, Fargate, DynamoDB
- ▹Python and JavaScript scripting for operations
- ▹CI/CD pipelines with GitHub and GitLab CI
Programming & Tools
Education
Bachelor of Information Systems
2010 - 2014Telkom University
Thesis
Analysis and Design of Computer Network Security with Network Development Lifecycle Method at Telkom University.
Internship
Packet System Indonesia — Network Engineer Intern
Completed a 3-month placement focused on enterprise routing support and documentation.
Certifications
AWS Certified Solutions Architect – Associate
Amazon Web Services Training and Certification (expired).
AWS Certified Cloud Practitioner
Amazon Web Services Training and Certification (expired).
Check Point Certified Security Expert (CCSE) R80
Check Point Software Technologies.
Check Point Certified Security Administrator (CCSA) R80
Check Point Software Technologies.
Security Architecture for System Engineers
Cisco Systems
Blog
I write about security operations, architecture patterns, and career lessons from the field.
Visit the blog