L2 Network Security Engineer

L2 Network Security Engineer

Nityo Infotech Services Pte. Ltd.
3-10 years
Not Specified

Job Description

Your role will consist of the following tasks:

• Configuration and maintenance of firewall platforms (Cisco ASA, Palo Alto, Checkpoint, Fortinet). The tasks include but not limited to:
o Creation/Modification of firewall objects and policies.
o Establishing secured external connectivity with VPN technologies.
o Configuration and operation of firewall auxiliaries such as Panorama, User-ID agents, etc.
• Configuration and maintenance of load balancers (Citrix ADC, F5 BigIP). The tasks include but not limited to:
o Creation/Modification and health checks of load balanced services, monitors, virtual servers, content switching, and ADC gateways.
o Defining rewrites and responders.
o SSL certificate installations and maintenance.
• Configuration and maintenance of proxy solutions (local open source - Squid, SOCKS, FTP proxy; cloud - Zscaler). The tasks include but not limited to:
o Creation/Modification of security policies (firewall and web-content filtering)
o Whitelisting/blacklisting URL and IP addresses.
o Maintenance of user internet access policies and troubleshooting proxy-related internet connectivity issues.
o Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) operations and producing web usage reports.
• DNS management (zones, records, GeoDNS, etc.)
• PKI / SSL certificates administration.
• Keeping up to date with information regarding firmware security vulnerabilities and bugs and ensuring firmware of security devices are secured and updated.
• Working side by side with Cybersecurity to help with incidents.
• Involvements in projects outside of daily operations to help with developments on technological solutions.
• Log investigation, debugging, and packet captures.
• Producing capacity planning reports.
• Daily health checks for devices and services.
• Making sure device inventory is updated and within standards.
• Creating documents such as SOP or basic network diagram and ability to suggest improvements in the policies and processes.
• License renewals and hardware refresh or replacements of devices.


• Bachelor's degree in IT, Computer Science, Computer Engineering, or related field.
• At least 3-5 years of related experience.
• Strong knowledge and experience on the FF technologies:
o Firewalls (Cisco ASA, Palo Alto, Checkpoint)
o VPN Technologies (IPSEC S2S/Client SSL)
o Load balancers (F5, Citrix ADC)
o Proxies (open source such as Squid, SOCKS, and FTP proxies; Cloud based proxy solutions – Zscaler ZIA/ZPA)
• Strong foundation on Networking (routing and switching).
• Basic knowledge and experience on DNS administration and PKI.
• Preferred but not required:
o Security management tools such as Firemon, AlgoSec, Tuffin, or Red Seal.
o Linux administration.
o Scripting tools such as shell or Python.
o Relevant certifications (CCNP Sec, PCNSE, etc.)
o Knowledge in NAC appliances (Cisco ISE)
• Strong work ethic, professional integrity and the ability to apply the appropriate level of judgement and maturity.
• Excellent interpersonal skills, and a strong ability to communicate, team player, and result oriented.
• Willing to work on shifting schedule.
• Fluent in English.

Nityo Infotech Corporation is a global provider of IT services and end-to-end solutions designed to help clients improve their competitiveness and efficiency. Nityo Infotech has operations in 11 countries with 16 offices across globe includes US, Europe and Asia. Its portfolio of solutions and services includes outsourcing, system integration, Application Software development, IT consulting and Quality Assurance & Training. Nityo provides services to several clients located across the world, including many Fortune 1000 and Global 2000 companies, in the commercial, industrial and government sectors - across key vertical markets, like financial services, Manufacturing & Semiconductor, life sciences and healthcare, telecommunications and utilities, Top notch System Integrators, and independent software vendors. Nityo is a SAP Service Partner & also has created Center of excellencefor PeopleSoft technologies in their offshore devolpment centers in Singapore & India. Visit us @ www.nityo.com to know more about us.....

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