Network Engineer, Citi

Citi

Location:
Poland, Warsaw

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Citi’s USPB Infrastructure Change Management team is looking for a Network Engineer to review infrastructure changes, ensure safe execution, and monitor high-risk network change activities. Responsibilities include coordinating with foundational services teams, ensuring business continuity, risk mitigation, and participating in problem management reviews to identify and implement process improvements.

Job Responsibility:

Evaluate network changes to identify changes that might conflict with other planned infrastructure or application changes
propose modifications to timing or other details in the change record to mitigate risk and ensure the change is successful
document decisions regarding network changes within change tracker
ensure required controls and processes are in place to maintain business continuity during network changes
work with both infrastructure and application teams to develop an agreed upon execution plan for higher risk changes
participate in change monitoring and oversight during weekend implementation green zones
collaborate with Network teams on large scale network initiatives (EOVS refresh, platform upgrades, and new build-outs)
track and perform root-cause analysis of application impacts caused by network changes
participate in Problem Management reviews of network change caused major incidents
review network change failure root-causes and collaborate with the Foundational Services teams to make process improvements
participate in discussions regarding the ServiceNow SaaS Risk Calculator and make recommendations for improvements.

Requirements:

5-7 years of experience in a Network Engineering or Network Operations role
understanding of network services used by large financial organizations
proven track record of operational process improvements
ability to work independently, multi-task, and take ownership
ability to work in a matrix environment and partner with other technology teams
ability to work under pressure and manage to tight deadlines
able to effectively communicate with both management and technical personnel regarding network technology changes, and risks surrounding planned activities
familiarity with network vendor equipment configuration and operation (Cisco, Nexus, Arista, Juniper, F5, Citrix, Checkpoint, Palo Alto)
knowledge of enterprise TCP/IP communications (IPv4, QoS, IPSEC, VPN, etc.)
understanding of network protocols: (OSPF EIGRP BGP DHCP DNS FTP TFTP)
familiarity with various distributed platform architectures (IaaS, PaaS, SaaS)
knowledge of emerging container platforms (ECS/Andromeda/Bare Metal/Public Cloud).

What we offer:

Private Medical Care Program
Life Insurance Program
Pension Plan contribution (PPE Program)
Employee Assistance Program
Paid Parental Leave Program (maternity and paternity leave)
Sport Card
Holidays Allowance
Sport and team recreation activities
Special offers and discounts for employees
Access to an array of learning and development resources
A discretional annual performance related bonus
A chance to make a difference with various affinity networks and charity initiatives.

Additional Information:

Job Posted:
June 25, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Network Engineer