Senior Network & Security Engineer

Job title: Senior Network & Security Engineer
Classification: Information & Communication Technology › Networks & Systems Administration
Location: Jakarta | Work type: Contract

Selling points:

• Hands-on role across network, server, security and NOC environments

• Work on both internal IT operations and external infrastructure projects

• Collaborate closely with the Infrastructure & Network Operations Lead in a lean team

Job description

About the role
Operate and maintain reliable, secure and scalable network and infrastructure environments covering network, server, NOC/monitoring and infrastructure security. The role supports both internal IT operations and external project delivery, working closely with the Infrastructure & Network Operations Lead.

Key responsibilities

• Manage LAN/WAN, routing, switching, VLAN and VPN; ensure connectivity, performance, availability and capacity

• Troubleshoot network issues and support network implementation for external projects

• Administer Linux and/or Windows servers, virtualization, storage and backup, including monitoring, patching and hardening

• Implement and maintain security controls: firewall, access management, network segmentation, security monitoring and vulnerability remediation

• Support security incident response

• Monitor infrastructure availability, respond to incidents, and carry out escalation, recovery, root cause analysis and preventive actions

• Participate in infrastructure and security projects from design to handover

• Coordinate with vendors and project teams, and review technical solutions and configurations

• Maintain technical and operational documentation, and share knowledge through cross-training and standardization

Skills and experience

• 5+ years of experience in network, infrastructure, system administration and/or IT security in production environments

• TCP/IP, routing, switching, VLAN, VPN, DNS and DHCP

• Firewall, access control, network segmentation and security monitoring

• Linux and/or Windows server administration

• NOC operations, incident management, troubleshooting and root cause analysis

• Patching, hardening, backup and recovery

• Technical documentation and vendor coordination

• Bachelor’s degree in IT, Computer Science, Information Systems, Engineering or a related field

• Ability to work independently in a lean team

Advantageous: CCNA/CCNP, Fortinet, Palo Alto, CompTIA Security+, Linux or Microsoft certification; experience with virtualization, cloud, SIEM, IDS/IPS, endpoint security, vulnerability management, scripting/automation or Docker.