Senior Network Engineer (Infrastructure)

Sorry, this job was removed at 12:09 a.m. (CST) on Sunday, Jun 01, 2025
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2 Locations
In-Office
105K-175K Annually
Financial Services
The Role

Join the Mizuho team as a Senior Network Engineer (Infrastructure)!

In this role you will be responsible for designing and implementing Mizuho Americas network infrastructure including WAN, MAN, LAN, WLAN, Proxy, Load Balancing, Firewall and Proxy components.

Major Responsibilities:

  • Help to drive network improvements and standardization for the network environments in both the Data Centers, Campus and Remote Branch Offices
  • Perform tasks including but not limited to planning, staging of hardware and software, implementation of the solution in the lab and production environment, providing post-cutover support, documentation, and end user training.
  • Test, debug, conduct performance analysis, and document network infrastructure components
  • Capacity management of network infrastructure
  • Assist in the implementation of test plans (including functionality, integrity, and stress testing; and definition of test methodologies and strategy) related to network infrastructure
  • Ensure that plans for the network integrate effectively with other aspects of the technical infrastructure
  • Assist in the development and configuration of the network infrastructure from conceptualization through stabilization
  • Assist in the implementation of the network infrastructure by performing product customization, and developing implementation and verification procedures to ensure successful installation of network hardware/software
  • Assist in providing production support for incidents / problems escalated from Network Operations team. 
  • Ensure timely and cost-effective delivery of network infrastructure required for new projects
  • Creates and maintains written documentation and diagrams for supported systems
  • Participates in a 24/7/365 weekly on-call rotation

Required Qualifications:

  • Bachelor’s degree in Technical or engineering, or computer science or equivalent experience.
  • 10+ years of experience supporting computer networks in a mission-critical environment.
  • Ability to work in a fast-paced environment supporting real-time market data and trading.
  • Certification and/or training with vendor-neutral or vendor-specific focus.
  • Basic understanding of operating system administration (Windows and Linux).
  • Basic scripting and automation.
  • Organized and methodical testing skills.
  • Excellent written and oral communication skills.
  • Excellent time management and organizational skills.

Tagged Systems:

  • OS: Linux & Windows.
  • Hardware: Cisco ACI, Cisco routers and switches, Fortinet firewalls, web proxies, F5 LTM/GTM, Network monitoring probes (Extrahop).
  • Applications: Cisco ISE, BlueCAT DDI, SSL/PKI

Location: Hybrid (NY/NJ)

The expected base salary ranges from $105k-$175k. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications and licenses obtained. Market and organizational factors are also considered. In addition to salary and a generous employee benefits package, successful candidates are eligible to receive a discretionary bonus.

#LI-Hybrid

Other requirements

Mizuho has in place a hybrid working program, with varying opportunities for remote work depending on the nature of the role, needs of your department, as well as local laws and regulatory obligations. Roles in some of our departments have greater in-office requirements that will be communicated to you as part of the recruitment process.   

Company Overview

Mizuho Financial Group, Inc. is the 15th largest bank in the world as measured by total assets of ~$2 trillion. Mizuho's 60,000 employees worldwide offer comprehensive financial services to clients in 35 countries and 800 offices throughout the Americas, EMEA and Asia. Mizuho Americas is a leading provider of corporate and investment banking services to clients in the US, Canada, and Latin America. Through its acquisition of Greenhill​, Mizuho provides M&A, restructuring and private capital advisory capabilities across Americas, Europe and Asia. Mizuho Americas employs approximately 3,500 professionals, and its capabilities span corporate and investment banking, capital markets, equity and fixed income sales & trading, derivatives, FX, custody and research. Visit www.mizuhoamericas.com.​​

Mizuho Americas offers a competitive total rewards package.

We are an EEO/AA Employer - M/F/Disability/Veteran.

We participate in the E-Verify program.

We maintain a drug-free workplace and reserve the right to require pre- and post-hire drug testing as permitted by applicable law.

#LI-MIZUHO

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The Company
HQ: Chiyoda-Ku, Tokyo
8,826 Employees
Year Founded: 2001

What We Do

This is not your typical financial institution. It’s our people who make us a cut above. Here, every person is respected because of their differences, not in spite of them. We pride ourselves on a culture of purpose, passion and compassion.

At Mizuho, we provide the stability of an international industry leader with the career trajectory of a growing business. Our steady, strategic growth gives our people at all levels rewarding degrees of responsibility and a richer work experience than a boutique firm or an established giant could offer alone.

Working for Mizuho opens doors not just to a rewarding career with excellent prospects, but to lasting friendships with colleagues from diverse cultures. It’s the local expertise of our employees that makes our global network so powerful. By collaborating with colleagues and clients who have your same ambition, you can amplify your sphere of influence and base of knowledge as part of one of the largest—and growing—banks in the world.

We’re all global citizens, and that’s why our company feels compelled to make an impact through more than just drawing up deals. We prove that it’s possible to do well and do good. We do right by our clients, our community and each other.

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