Senior Firewall Engineer

February 26

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Transaction Network Services (TNS)

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Transaction Network Services (TNS) is a technology company that specializes in providing secure network solutions for businesses. TNS offers a range of services, including communications and connectivity solutions for financial markets, payments markets, and enterprises. Their services include call authentication, robocall protection, low latency trading infrastructure, and managed hosting, among others. TNS aims to reduce complexity and enhance security and interoperability with innovative Infrastructure-as-a-Service (IaaS) solutions that support businesses in connecting, transacting, and operating seamlessly across the globe. The company is known for its resilience and trusted network infrastructure services, benefiting clients ranging from telecommunications to financial services and payment solutions providers.

Telecommunications • Financial Markets • Payments • Point of Sale (POS) • Information Technology and Services

1001 - 5000 employees

Founded 1993

📡 Telecommunications

💳 Fintech

🔐 Security

📋 Description

• The Security Analyst IV is responsible for the configuration, monitoring, management, and troubleshooting of firewalls. • They will act as liaison with local regional network engineering and technical support groups to assist and lead on the reviewing, design and deployment of new services. • Day to day duties will be assigned acting as a technical SME for firewall services by carrying out both BAU and project work, supporting technical escalations and the planning and execution of migrations. • All work must be completed following TNS Security policies and payment industry standards as well as the promotion of security best practices. • Function as an internal consulting resource on network security issues specifically firewall technologies such as Next Generation Firewall (NGFW), Unified Threat Management (UTM): Cisco ASA/Firepower, Fortinet, Palo Alto and Juniper SRX. • Monitor ticket queue application for Firewall Operations trouble tickets for incidents and creation of change requests. • Manage key relationships with security partners and other internal departments. • Understand and keep up to date with the latest security issues.

🎯 Requirements

• Experience in creating policies in and managing Cisco Identity Services Engine (ISE). • Hands on experience in computer routing and networking, especially with firewall technologies. • Hands on experience with multi-context firewall implementation (Cisco, Fortigate and Juniper). • Experienced in planning and executing complex migrations in network environments. • Good background in configuring, troubleshooting and optimising dynamic routing protocols, specifically BGP and OSPF. • Experience analyzing and troubleshooting Access Control Lists (ACLs) and VPN tunnels on firewalls. • IPsec and remote access VPN implementation, troubleshooting, and problem resolution. • Security and networking certifications from organizations such as Cisco, Fortigate, Juniper and Palo Alto would be advantageous.