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Company Description
Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid.
Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.
Job Description
This is an individual contributor role responsible for solving problems and taking a broad perspective to identify innovative solutions. This is at intermediate professional level and works independently with minimal guidance, and requires a high level proficiency in networking and security disciplines
Essential Functions:
Qualifications
Basic Qualifications
Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.
Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid.
Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.
Job Description
This is an individual contributor role responsible for solving problems and taking a broad perspective to identify innovative solutions. This is at intermediate professional level and works independently with minimal guidance, and requires a high level proficiency in networking and security disciplines
Essential Functions:
- This position is responsible for day-to-day operational management of network security appliances such as firewalls , proxy systems ,DDoS protections etc.
- Primary responsibilities includes, updating firewall rules/policies to meet customer requirements, validating that user requests do not allow unauthorized network access, firewall log analysis, troubleshooting network connectivity problem via use of packet captures using packet capture technologies.
- Having broad knowledge of information security , understanding application ,data , threats and mitigation , and security trends.
- Troubleshooting firewall fault conditions and coordinating firewall rebuild efforts.
- Coordinates with the Security Operations Center to proactively defend against the known exploits and vulnerabilities.
- Configures internet proxy servers to restrict corporate internet access to support the company's acceptable use policy.
- Diagnoses and resolves network connectivity problems in short time frames.
- Applies security software patches, and assists in capacity expansions.
- Updates incident and change management records.
- Provides technical support for activities that improve the security posture of Visa's networks.
- Provides 24x7 on-call support whenever preformation the duty of on-call, which has roaster that is rotated.
Qualifications
Basic Qualifications
- 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience
- 3 or more years of work experience with a Bachelor’s Degree or more than 2 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)
- Strong experience in standard Enterprise Network Firewalls such as Check Point, Fortinet, and Palo Alto Networks
- Strong experience on WAF solution on cloud and on prem , such as Imperva , Akamai Cloud , F5, Fortinet etc.
- Strong experience on Anti-DDoS Solutions – Radware , Nexusguards , Arbor Networks, Akamai
- Ability to manage Provider-1 and/or Panorama management and logging systems
- Self-motivated, attitude of ownership, and a strong desire to learn
- Lead and mentor junior team members, on various aspects of network security .
- Experience administering enterprise IP networks in mission-critical, 24x7
- Demonstrated ability to systematically troubleshoot problems in complex
- Experience supporting Bluecoat Proxy, Cisco ASA and Arbor technologies and
- Experience in Linux and Windows operating systems (high comfort level using
- Check Point Administrator (CCSA), Check Point Engineer (CCSE), Cisco Certified Network Associate (CCNA), Certified Ethical Hacker, CompTIA Security+ certifications preferred
- Experience in F5 GTM , Radware , Nexusguards , Arbor networks is a plus
- Familiar with ITIL concepts such as Incident, Change, and Problem Management
Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.
Key Skills
Ranked by relevance
c
ha
firewall
ui
nat
pan
ai
esp
network security
firewalls
fortinet
nexus
cloud
nist
cis
security certifications
palo alto
server
linux
ccna
itil
sas
asa
aci
ats
ux
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- Posted
- Dec 17, 2024
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Singapore
- Company
- Visa
Industries
IT Services
IT Consulting
Categories
Engineering
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