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Staff Systems Engineer

Build and maintain secure, high-performance network infrastructure for ServiceNow applications
Dublin
Senior
2 weeks ago
ServiceNow

ServiceNow

A cloud-based platform that provides solutions for IT service management, automating business processes, and workflow optimization.

Staff Systems Engineer

It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today — ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®. Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But this is just the beginning of our journey. Join us as we pursue our purpose to make the world work better for everyone.

Job Description

Role Overview

They will be working as a Network Administrator/ Network SME in a team which support our strategic partner by implementing and maintaining the system environments hosting ServiceNow applications. Working closely with the Global ServiceNow Team, they will help deliver seamless operational support to customers. They have 6+ years in Linux systems and enterprise networks and are skilled in routing, DNS, firewalls, cloud infrastructure, and scripting (Bash, Python). They are focused on secure, high-performance operations and cross-team collaboration. Key responsibilities include network and system administration, database management, and DevOps operations—ensuring a stable, secure, and scalable infrastructure aligned with evolving business needs.

Key Responsibilities

  • Design, implement, and maintain scalable production infrastructure with a focus on network reliability and performance
  • Collaborate with SREs, platform engineers, and security teams to enforce network policies and improve observability
  • Develop automation for network configuration, monitoring, and failover strategies
  • Own and evolve network topology, DNS management, firewall rules, and VPN architecture

Qualifications

  • Proven experience in production engineering or SRE roles, with a strong focus on network administration
  • Deep understanding of TCP/IP, routing protocols, DNS, load balancing, and firewall management
  • Proficiency in infrastructure-as-code tools (e.g., Terraform, Ansible) and scripting (e.g., Python, Bash)
  • Experience with cloud-native networking (AWS, GCP, or Azure) and hybrid environments
  • Strong troubleshooting skills across OSI layers and familiarity with packet analysis tools (e.g., Wireshark, tcpdump)
  • Ability to be on call if required
  • Ability to travel to our customer site

Preferred Qualifications

  • Experience with zero-trust networking, SD-WAN, or service mesh architectures
  • Familiarity with Kubernetes networking and container orchestration
  • Certifications such as CCNP, AWS Advanced Networking, or equivalent

Due to the nature of the role and regulatory requirements for this role, only candidates who are EU citizens can be considered.

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Staff Systems Engineer
Dublin
Engineering
About ServiceNow
A cloud-based platform that provides solutions for IT service management, automating business processes, and workflow optimization.