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Mosaic451, LLC System Engineer in Phoenix, Arizona

System Engineer

Mosaic451 is seeking a Linux Systems Engineer to support an enterprise-level internal engineering team. The desired candidate will have experience focused on providing excellent customer service as a Linux Systems Administrator/Engineer supporting the corporate systems infrastructure including our NOSC team which provides monitoring, operations and escalation for production environments.


  • Experience with Linux servers in physical and virtualized environments

  • Experience with Linux shell (bash scripting, output parsing, etc).

  • Experience with Python or other scripting and automation languages

  • Create and maintain system documentation

  • Understanding of LAN/WAN architecture, Backup and recovery, and network security

  • Perform installation, maintenance and upgrades on systems equipment

  • Troubleshoot and resolve issues to meet or exceed published SLAs

  • Enforce system and network security guidelines and procedures

  • Perform and document operations processes and procedures including installation and testing of system upgrades, failover, and configuration

  • Support other engineers and architects with documentation, testing, and implementation of network and system infrastructure

  • Attend training and pursue product certifications as required

Minimum Requirements:

  • 3-5 years of experience engineering Linux operating systems

  • 3-5 years of experience in customer service-focused job(s) related to information technology

  • Intermediate understanding of infrastructure monitoring and methodologies

  • Basic to intermediate understanding of networking technology, such as routing, switching and VPN

  • Intermediate understanding of system and network virtualization technologies

  • Strong written and verbal communication skills with focus on client satisfaction

  • Ability to work well with a team and independently/remotely

  • Strong interpersonal and communication skills

  • Ability to mentor other individuals

Preferred but not Required Experience:

  • Experience with ELK (Elasticsearch, Logstash and Kibana) or other centralized logging solutions

  • Expertise in creating repeatable, reliable, scalable systems architectures, with high availability, fault tolerance, performance tuning, monitoring, and statistics/metrics collection

  • Some experience managing an AWS environment and an interest to learn

  • Experience with Microsoft Windows Servers, workstations, and AWS Directory Services

Education and Certification Requirements:

  • Associate or Bachelor?s degree in a computer related field or equivalent experience

  • At least one networking, systems or security certificationSystems examples: RHCSA, RHCE, RHCA, etcNetworking examples: CCNA, JNCIA, CCNP, etcSecurity examples: CISSP, GCIA, GCIH, GPEN, GCFW, etc.

Clearance: Not Required