Security Engineer (Onsite – Customer Premises)

Securxcess; Kota Medan ᯔᯩᯑᯉ᯲; Remote; IDR 350,000,000 - 550,000,000; Full time

Job summary

Securxcess in Indonesia is seeking a Senior Telecom Network Security Engineer to design, implement, and manage security across core, edge, and access networks in a remote-first setup.

You will lead vulnerability assessments, incident response, and security policy enforcement while collaborating with network teams to harden routers, switches, and servers.

Qualifications

• Bachelor's degree or higher in CS, cybersecurity, IT, or related field.
• 6+ years of network security experience in telecom environments.
• Strong knowledge of firewalls, VPNs, IDS/IPS, WAFs and SIEM.
• Hands-on security hardening of routers, switches, and servers.
• Solid TCP/IP networking, routing, and switching knowledge.

Responsibilities

• Design, implement, and maintain security architectures for telecom networks.
• Conduct vulnerability assessments, pen tests, and security audits to remediate risks.
• Develop and enforce security policies, procedures, and best practices across the network.
• Monitor security events and coordinate incident response to ensure timely resolution.
• Configure and manage security devices such as firewalls, IDS/IPS, VPNs, and SIEM systems.
• Collaborate with network teams to integrate security into design and deployment lifecycles.
• Stay updated on emerging threats, vulnerabilities, and telecom security standards.
• Provide security guidance to other teams and stakeholders.
• Develop and deliver security awareness training for technical staff.

Skills

Network security

TCP/IP fundamentals

Security hardening

Vulnerability assessment

Penetration testing

Security incident response

Education

Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or related field

Tools

Firewalls

VPNs

IDS/IPS

WAFs

SIEM

Job description

Senior Telecom Network Security Engineer (Remote)

Our client, a leading force in the telecommunications industry, is actively seeking a highly skilled Senior Telecom Network Security Engineer to join our exclusively remote workforce. This critical role is responsible for safeguarding our extensive network infrastructure against evolving cyber threats. As a remote-first company, we empower our engineers with the autonomy and resources needed to perform at their best from any location in Indonesia. You will be integral to designing, implementing, and managing robust security measures across our core, edge, and access networks. This position offers a unique opportunity to work on challenging security problems, influence security strategy, and contribute to the resilience of communication services relied upon by millions. If you are a security-minded professional with a passion for protecting critical infrastructure, we encourage you to apply.

Key Responsibilities

• Design, implement, and maintain comprehensive network security architectures and solutions for telecommunications environments.
• Conduct vulnerability assessments, penetration testing, and security audits to identify and remediate risks.
• Develop and enforce security policies, procedures, and best practices across the network.
• Monitor security events and manage security incident response, ensuring timely and effective resolution.
• Configure and manage security devices such as firewalls, IDS/IPS, VPNs, and SIEM systems.
• Collaborate with network engineering teams to integrate security into the network design and deployment lifecycle.
• Stay current with emerging security threats, vulnerabilities, and technologies relevant to the telecom sector.
• Provide security expertise and guidance to other teams and stakeholders.
• Develop and deliver security awareness training for technical staff.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Minimum of 6 years of experience in network security, with a focus on telecommunications networks.
• Proven expertise in network security principles, protocols, and technologies (e.g., firewalls, VPNs, IDS/IPS, WAFs, SIEM).
• Hands-on experience with security hardening of routers, switches, and servers.
• Strong understanding of TCP/IP networking, routing, and switching.
• Experience with vulnerability management and penetration testing tools and methodologies.
• Knowledge of telecom-specific security challenges and standards is a significant plus.