Job Opportunity: Senior Linux Systems Engineer

Location:

Open to candidates in Latin America, India, and EU/EE, provided you can work East Coast U.S. hours.

Responsibilities:

• Ensure the reliability and scalability of our multi-datacenter and hybrid Linux environments.
• Manage large-scale Linux infrastructure to maximize uptime.
• Conduct performance and reliability testing, including reviewing configurations, software choices/versions, and hardware specifications.
• Innovate and enhance our technology stack with creative solutions.
• Participate in capacity management for core systems and services, application analysis, and performance and security tuning.
• Provide operational support for systems and build automation to address root causes, aiming to automate responses to all non-exceptional service conditions.
• Develop strategies for long-term permanent solutions to critical production incidents.
• Maintain documentation, build tools, and create alerts to identify and resolve infrastructure reliability issues.
• Proactively identify system anomalies.
• Collaborate with the security team on new initiatives and ongoing changes.

Who You Are:

• Collaboration is in your DNA. You understand that when the team succeeds, you succeed.
• You are eager to grow your skills and learn new technologies, sharing your insights with the team.
• You appreciate both big-picture perspectives and fine details, capable of strategic thinking and diving into complex systems.
• You are a proactive problem solver, driven to fix unreliable infrastructure.
• You stay updated with security best practices and implement them consistently.

Requirements:

• At least 4 years of relevant experience.
• Strong understanding of Linux (CentOS and Rocky Linux in production).
• Deep knowledge of the Puppet stack (roles & profiles, Hiera, PuppetDB).
• Experience with Foreman.
• Proficient with git and able to resolve merge conflicts.
• Experience with Jenkins CI.
• Experience managing SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, ES, Redis, Memcached).
• Ability to work with Cassandra database clusters from installation to maintenance.
• Experience with scalable infrastructure monitoring solutions such as Icinga, Prometheus, ELK, Graphite.
• Strong scripting and automation skills (Ruby, Python, Bash).
• Understanding of networking concepts (TCP/IP stack, DNS, PKI, CDN, load balancing).
• Experience with on-prem/bare metal server operations.
• Knowledge of virtualization solutions like KVM.
• Storage configuration experience (Netapp, EMC).
• Experience with container technologies (Docker, Containerd).
• Diverse experience with IT security best practices in the SRE context.
• Willingness and ability to work East Coast U.S. hours (9 am-6 pm EST).
• Bonus Skills (Not Required):
• Knowledge of Kubernetes (K8s) and its ecosystem.
• Experience in AdTech or High-Frequency Trading.
• Hands-on experience with cloud platforms (AWS, GCP).

If you meet the qualifications and are ready for a new challenge, we would love to hear from you!