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Senior Network Engineer

Senior Network Engineer

locationMerrimack, NH, USA
PublishedPublished: 12/5/2025
Full Time

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position

Fidelity’s Enterprise Network Triage and Troubleshooting (NTT) Teams mission is to identify, mitigate or resolve any issue impacting Fidelity’s internal or external business. The work you deliver will enable and secure the reputation Fidelity has as a top leader in the business and our ability to deliver first in class reliability and uptime for all Fidelity business. This team is responsible for the triaging and troubleshooting of high severity issues that impact Fidelity Investments and our external customers. The issues range from network down devices to application slowness, connectivity problems, Storage issues, network blips etc. The ideal candidate should have a deep understanding of fundamental networking technologies, network security, software-defined networking, infrastructure as code, extensive experience with at least one CSP.

The Expertise You Have and The Skills You Bring

  • 10+ years of experience in IT infrastructure, security, and architecture

  • Infrastructure software development and automation skills Python

  • Experience with virtual network and security constructs of AWS and/or Azure

  • Cisco CCNA/CCNP/CCSE is desirable

  • Network security experience and certifications a plus

  • Strong problem-solving and troubleshooting skills

  • Expertise in cloud networking and security constructs (DMZ)

  • In-depth knowledge of AWS or Azure cloud technologies

  • In-depth knowledge of IP routing, firewalls, load balancers, proxies, and DNS

  • Knowledge of cloud PaaS service integration

  • Experience with ITSM practices (Change/Incident/Problem)

  • Advocate for and practitioner of infrastructure-as-code

  • Python/Ansible/SDN Programming

The Team

The Network Triage and Troubleshooting Team is made up of engineers with the philosophy of, we need to identify and mitigate the issue as quickly as possible to provide the best customer experience. If you love to continuously learn, create, and improve, then this might be the challenge you’re looking for. If your long-term goal is to have fun with technologies outside of traditional networking like serverless, ML, AI, then we might be able to share in the fun.

Certifications:

Category:

Information Technology

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.

Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.