Network Engineer

Software Development/Engineering

Full-time

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Date : Apr 01, 2025

Location: Warsaw, POLAND

Job #: REF059857W

Job Type: Full-time

The Opportunity

Job Description And Responsibilities

The Infrastructure Reliability Engineering - Network Services team provides 2nd level support to manage the day-to-day operations for Visa Inc’s network. As a Network Support Engineer, your primary responsibility will be to support, manage, and implement improvements to Visa’s global network and cloud, based on ITIL change, incident and problem management process. This involves working with a 1st level and 2nd level global operations team with 24x7 follow-the-sun coverage. You will work closely with the Network Engineering and Network Tools teams in supporting, managing, and implementing improvements to Visa’s global network and with applications and systems teams to manage and troubleshoot network connectivity. This position is within Infrastructure Reliability Engineering - Network Services team, that operates Visa’s global backbone, datacenter, and access networks including our commercial cloud offerings. The Infrastructure Reliability Engineering team is centered around hiring and developing diverse talents who are passionate about building and operating best-in-the-breed infrastructure through technology and innovation.

This is an individual contributor responsible for identifying and resolving issues of low to medium complexity. This position is at a beginner/intermediate professional level and requires sound execution and analytical abilities. This role works in a team and receives appropriate guidance and development.

The Work Itself

 

• Troubleshoot, identify root-cause and resolve low/medium complexity level issues where necessary and serve as escalation point to 1st level operational teams  
• Respond to and resolve IP network issues within the timeframe of severity level agreements  
• Support all aspects of the network management process assuring requests, implementation, and problems are delivered as required with no impact to the global communications environment  
• Take initiative to proactively discover potential network impacts  
• Participate in problem resolution and root-cause analysis  
• Participate in tasks related to change, incident, and problem management 
• Document, create and maintain operational runbooks based on best practice and from knowledge/experience gained from day-to-day operations for continuous operational improvement. 
• Participate in internal technical briefing/training for level1 and level2 network operations team 
• Participate in creating/maintaining automation using Python scripting.
  
  

 

• Participate in managing Cloud environments including AWS and GCP and Azure.
• Participate in implementing lifecycle processes such as capacity management and last day of support.  
• Deploy and document changes in accordance with problem and change management process  
• Participate in managing projects introduced by engineering team assuring full implementation and documentation standards are adhered to. Complete the projects objectives within timelines.  
• Communicate to both technical and non-technical audiences, resolution and root cause resulting from the outage or service interruption  
• Perform most effective approach to restore, recover, or alter configurations, logical or physical, to maintain service integrity.
• Weekend working on either a Saturday or Sunday shift pattern.
• Public holiday working with days off in lieu.
  
  

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Qualifications

Basic Qualifications

• Bachelor's degree in engineering, computer science or a related field is
  
  

required. Post graduate degree a plus.  

• Maximum of 2 years' experience in network support/administration  
• Some working knowledge on routing protocols such as TCP/IP, MPLS, BGP,
  
  

EIGRP & OSPF.  

• Some working knowledge with network packet analysis using wireshark or
  
  

similar tools. 

• Some working experience on Security and WAN/LAN technologies  
• Some working knowledge in F5 LTM/GTM, Cisco Catalyst/Nexus switches,
  
  

Arista switches, Cisco/Juniper routers 

• Professionally qualified or equivalent with related professional experience or
  
  

equivalent combination of education and experience. CCNA or working

towards CCNA.

• Some working experience in an application hosting or data center environment  
• Some working experience maintaining highly available and highly secure
  
  

networks.

Preferred Qualifications

• CCNP would be an advantage.
• Experience or background with automation using Ansible and/or Python would
  
  

be an advantage. 

• Experience or background with AWS, GCP, Azure and Kubernetes with
  
  

networking focus would be an advantage. 

• Experience in using network tools like Solarwinds (creating/maintaining
  
  

dashboards), Netbrain (creating/maintaining runbooks) and Netscout would

be desired. 

• ITIL certification preferred with good understanding of change, incident, and
  
  

problem management process 

• Experience or background with SDN technologies such as Versa SD-WAN. 
• Working experience with DNS tools, Neustar and/or Terraform 
• Working experience with Terragrunt 
• Working experience with CDN providers such as Cloudflare or Akamai 
  
  

Additional Information

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.

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