Perimeter Security Production Services Specialist

Job Role:- Perimeter Security Production Services Specialist

Job Location:- Singapore

Experience:-8+ Years

Job Summary

We are seeking an experienced Perimeter Security Production Services Specialist to support and maintain enterprise network security infrastructure within a complex, high-availability environment. The successful candidate will be responsible for monitoring, troubleshooting, and restoring network services during incidents, with a primary focus on maintaining network stability and operational resilience.

The role requires strong expertise in perimeter security technologies, incident management, and network troubleshooting across multi-vendor environments. The ideal candidate should be able to work effectively in a fast-paced, collaborative environment and possess excellent communication and analytical skills.

Key Responsibilities

• Provide operational support for network perimeter security technologies and services.
• Lead and coordinate troubleshooting activities during network incidents to ensure timely service restoration.
• Monitor network performance, identify service impacts, and communicate updates to stakeholders.
• Analyze incidents, identify root causes, and contribute to preventive improvement initiatives.
• Maintain accurate incident records, operational documentation, and knowledge articles.
• Collaborate with internal teams and external partners to resolve complex technical issues.
• Participate in production governance activities and follow established operational procedures and standards.
• Support continuous improvement initiatives to enhance network stability, security, and operational efficiency.

Required Skills and Experience

• Minimum 8 years of experience in Network Operations, Network Security, or Production Support environments.
• Hands-on experience configuring and troubleshooting perimeter security technologies, including:
• Check Point Next-Generation Firewalls (R80+)
• Fortinet solutions (FortiGate, FortiManager, etc.)
• Palo Alto Networks, Cisco Firepower, or Juniper SRX firewalls
• Strong understanding of:
• Network Address Translation (NAT)
• Stateful firewall concepts
• High Availability (HA) and clustering technologies
• Firewall policy management and troubleshooting
• Experience with Intrusion Detection and Prevention Systems (IDS/IPS), including:
• Trend Micro TippingPoint
• IPS signatures and policy management
• Knowledge of tunneling and secure communication protocols, including:
• SSL/TLS
• IPSec
• GRE

Preferred Skills

• Experience with load balancing technologies such as F5.
• Familiarity with proxy technologies, DNS, DHCP, and identity management solutions.
• Experience with monitoring and observability tools such as Splunk, SevOne, or similar platforms.
• Knowledge of automation technologies, including Python, Ansible, REST APIs, JSON, or YAML.
• Understanding of IT Service Management (ITSM) and ITIL processes.
• Experience with Agile tools such as JIRA and Confluence.
• Familiarity with Linux administration and scripting.

Key Competencies

• Strong troubleshooting and analytical skills.
• Excellent verbal and written communication skills.
• Ability to manage multiple priorities in a dynamic environment.
• Strong collaboration and stakeholder management capabilities.
• Ability to work effectively in a team-oriented and service-focused environment.
• Demonstrates accountability, ownership, and a continuous improvement mindset.