Network Engineering Senior

Airkit

Airkit

IT
Dublin, Ireland
Posted on Jan 28, 2026

Description

Salesforce is looking for a Senior Network Engineer to join Salesforce’s Network Engineering team. This team facilitates the deployment of strategic initiatives mainly focused on network patching, routing, switching and load-balancing functions of Salesforce’s 1P network infrastructure.

Responsibilities

Engineering & Operations

  • Plan, Design, Develop, Implement and Operate Cisco, Juniper, F5 (LTM, GTM) and other network appliances serving Salesforce’s internal and external applications.

  • Perform proactive network maintenance, such as code upgrades, config updates and cleanup/decoms on various network devices such as Switches, Routers and Load-balancers.

  • Assist in mitigating security vulnerabilities in OS and configuration across different network vendors (Cisco, F5, Juniper etc).

Automation & Tooling

  • Work closely with automation teams in defining and developing the tools that allow us to manage the configuration of network equipment (F5, Cisco, Juniper etc) in Cloud Scale datacenters.

  • Develop and maintain scripts/power-tools based on Ansible and Python that help with configuration deployment on different kinds of network equipment.

  • Drive service ownership for the Network Engineering teams; assist in efforts to streamline problem and organizational change processes and increase automation.

Troubleshooting & Support

  • Provide network escalation support for internal and external service impairments or outages.

  • Perform high-level troubleshooting and analysis to determine the root cause when network outages occur during network maintenances.

  • Isolate hardware and software problems on network devices and work with vendors to resolve issues as vital.

  • Collaborate with engineering teams to identify ways in which we can proactively improve the stability of the network and decrease potential for future outages.

  • Ensure documented processes are followed while providing necessary feedback focused on safety and agility of the processes involved.

Required Qualifications

  • Networking Protocols: High level of proficiency with TCP/IP, architecture and core technologies, such as BGP, OSPF, ISIS, DNS, HTTP, etc.

  • Automation & DevOps: * Demonstrated experience with Ansible (cli and playbooks) to manage multi-vendor equipment.

    • Practitioner-level network automation skills using DevOps and CI/CD pipeline practices.

    • Experience with version control tools such as Git.

  • Environment: Working knowledge and experience working in a Unix/Linux environment.

  • Analysis Tools: Proficiency with Wireshark, tcpdump, ping, and netstat.

  • Infrastructure: * Experience leading large-scale distributed network environments.

    • Working knowledge of PKI infrastructure, firewalls, and access-list configuration.

    • Knowledge of system performance methodologies and data-driven decision-making.

  • Soft Skills: Strong analytical approach to problem-solving; ability to fix complex issues quickly; excellent written/verbal communication.

Preferred Qualifications

  • Advanced F5 Knowledge: Experience with F5 GTM and LTM installation, engineering, and life cycle management (including advanced iRules and troubleshooting).

  • Load Balancing: Deep understanding of Persistence, SSL client/server profiles, and HTTP profiles.

  • Diagnostic Skills: Highly skilled in packet analysis and analytical fault diagnosis.

  • Programming: Proficiency in scripting/programming with Python.