Key skills
Linux systems administrationAnsibleTCP/IP networkingCloud platforms AWSCloud platforms GCPCloud platforms AzureConfiguration management toolsLoad balancersShell scriptingWeb server configurationClear communicationAttention to detailShellAWSAzureGCPVaultRedisPrometheusGrafanaELK StackGitGitLabRabbitMQAkamaiCloudflareJiraConfluenceCommunicationWAF
About this role
NMI is a company that enables partners with choice in payments technology. They are seeking a curious and driven DevOps Infrastructure Engineer to join their Site Reliability Engineering team, responsible for maintaining global production infrastructure, troubleshooting issues, and contributing to system reliability.
Responsibilities:
- Supporting the day-to-day operations of our production infrastructure — resolving incidents, investigating alerts, and keeping systems healthy
- Helping maintain a regular patching cycle across Linux-based systems to meet security and compliance requirements
- Writing and maintaining Ansible playbooks or similar configuration management code to automate provisioning and configuration tasks
- Assisting with the deployment and management of cloud load balancers, WAFs, and other network infrastructure
- Contributing to hardware upgrades and replacements at colocation facilities
- Participating in incident reviews and post-mortems, helping identify root causes and preventative measures
- Collaborating with team members across time zones using clear written and verbal communication
Requirements:
- 2–4 years of hands-on experience in a Linux systems or DevOps role
- Solid Linux fundamentals — comfortable administering servers, writing basic shell scripts, and configuring web servers (Red Hat/CentOS experience a bonus)
- Exposure to configuration management tools such as Ansible or Puppet
- Familiarity with DevOps workflows and tools — Git, GitLab, VS Code
- Good working knowledge of TCP/IP networking and how web traffic flows
- Understanding of TLS certificates and basic PKI concepts
- Strong attention to detail and a methodical approach to problem-solving
- Clear communicator who can document work and collaborate across teams and time zones
- Experience with cloud platforms (AWS, GCP, Azure)
- Exposure to load balancers (F5 BIG-IP or similar)
- Familiarity with observability tools such as Grafana, Prometheus, or the ELK stack
- Any exposure to WAF/DDoS platforms (Cloudflare, Akamai, F5 XC)
- Experience with Redis, RabbitMQ, or HashiCorp Vault
- Familiarity with line of business tools such as Confluence, Netbox, and Jira