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Senior Systems Engineer at DomainTools. DomainTools is looking for a dynamic . Senior Systems Engineer . who is passionate about operational excellence in hybrid cloud and bare metal infrastructure, automation, and team-building. Come help us build the tools and processes to accelerate the management, operation and delivery of our security products. We build on open source technologies and operate services in both public- and private-cloud environments to serve a customer base that includes 45% of the Fortune 100. . Our senior engineers tend to be deeply curious open source enthusiasts, veteran generalists who are eager to solve infrastructure problems at all levels of the stack. We are focused on projects that will help us operate faster, more reliably, and scale into the future. This includes helping move traditional services into our Kubernetes-based hybrid cloud, writing automation to deploy to bare metal hosts and services, modernizing our monitoring and observability tools, and building tools and processes to empower our internal customers.. We’re a small enough company that we get to collaborate with most of the engineering teams in the organization. That means learning alongside a lot of smart people, and touching a technology stack that is broad and diverse. It’s an opportunity to have fun learning with a great team and make a big impact.. Location. : Remote - US. Compensation. : $145,000 - $185,000 + 10% Annual Bonus. Job Responsibilities:. . Build and operate Linux-based systems in both public cloud and colocation environments. . Manage the lifecycle of open-source and custom services that power all aspects of our business, including authentication, logging, metrics, code repos, secrets management, and more. . Modernize infrastructure by moving older applications into containers, or writing new IaC automation to deploy to VMs or bare-metal as-needed.. . Partner with engineering teams to build self-service tools that increase the overall speed and safety of value delivery to our customers. . Improve our ability to visualize systems using monitoring, metrics, instrumentation, and logs. . Manage and monitor databases and data flows, including replication and high availability. . Help mentor other engineers to improve their skill sets and the team’s overall ability to deliver. . Reduce business risk by mapping and implementing security and business continuity compliance requirements. . Write and maintain operational documentation for new and existing systems. . Participate in an on-call rotation with fellow team members. . Key Qualifications:. . 5+ years experience in Linux systems engineering roles supporting bare metal servers, virtualization, and container platforms. . Experience migrating custom Linux-based services into containers. . Experience building and managing infrastructure in both public cloud and physical data center environments using infrastructure as code tools. . Proven ability to automate the right things using scripts, config management tools, and CI pipelines. . Solid understanding of networking fundamentals and storage technologies. . Ability to write docs and build processes designed for other team members to contribute to and support. . Experience supporting customer-facing SaaS products. . Willing to dive in and own problems that are new, ambiguous, or complex. . Proven ability to prioritize where improvements are most needed; sees the forest for the trees. . High team standards around communication, giving/receiving, feedback, continuous improvement, and operational excellence. . Familiar with big data technologies and relational databases. . Relevant Technologies:. . Compute: CentOS/Rocky Linux, AWS (EC2, S3, Glacier), OpenStack, Nutanix, KVM, ZFS. . Languages: Bash, Python. . DevOps: Ansible, Terraform, GitLab, Hashicorp Vault/Consul. . Containers and Orchestration: Kubernetes, Docker/Podman, Airflow. . Monitoring/metrics: Icinga/Nagios, Graphite, Grafana, CollectD, AWS cloudwatch. . Logging: ELK/OpenSearch, Splunk, Syslog, Journald. . Load Balancing: Nginx, HAProxy, Keepalived. . Big Data: Hadoop, Kafka, MinIO. . Databases: MySQL/MariaDB/Galera. . Company Location: United States.