Linux Systems Engineer

Linux Systems EngineerRemote – Based out of Phoenix, AZFull-Time/Direct-Hire Salary – Up to $120k, depending on experienceSUMMARY:As a Linux Systems Engineer, you will be responsible for deploying, upgrading, and maintaining the High-Speed Data (HSD) infrastructure that supports critical Internet services. This role combines day-to-day administration and troubleshooting with project-based work focused on analysis, design, development, and testing of new and existing technologies. You will manage vendor solutions supporting core platforms such as DNS, DHCP, and DOCSIS provisioning while ensuring compliance with security policies and maintaining high system availability. Success in this role requires advanced Linux (CentOS/RHEL) expertise, strong scripting and automation skills, and a solid understanding of network security best practices. This position offers the opportunity to directly impact the reliability and performance of HSD platforms by blending operational excellence with innovative engineering solutions. ESSENTIAL DUTIES AND RESPONSIBILITIES To assist in designing, implement, and maintain systems core network systems such as products and solutions by Incognito, Infoblox and Calix along with other technologies to support and maintain the organization's systems, infrastructure and data to include:Performs implementation of new software as it relates to Engineering technologies and projects.Maintains the lifecycle management environment for all HSD applications; Assists with upgrades to technologies that rely upon backend applicationsAssists with the creation of Low-Level Design (LLD) documentation for configuration templates, method of procedures, application diagrams, knowledge base articles, bill of materials and support documentation.Conducts training for new technology integration, technology upgrades, new product design, and implementation to relevant team members.Analyzes project requests to estimate time and cost.Works as part of a project team to determine requirements, risks, and limitations for each project scope.Performs on-call duties, customer equipment escalations, and overnight network changes as assigned.Configure, manage and troubleshoot Linux systems, DOCSIS provisioning, DNS and DHCP configuration, Authentication, Access Policies, and others to ensure optimal network performance, security, and connectivity.Utilize Python, Ansible, or other scripting and programming tools, together with strong Linux administration skills to automate tasks, troubleshoot issues, and optimization.Respond to requests escalated to HSD Systems Engineering Team and Perform on-call duties as assigned, being a technical point of contact for teamOther duties and/or responsibilities not specifically set forth above may, however, be assigned as needed. Whenever practicable and, in accordance with legal guidelines, reasonable accommodation[s] will be made to enable an otherwise qualified individual with a disability to perform the essential functions of the position.EDUCATION AND/OR EXPERIENCE:Bachelor’s degree in Computer Science, Information Security, Management Information Systems (MIS), or Computer Information Systems (CIS) from an accredited four-year institution. Bachelor’s degree (B. A.) from four-year college or university preferred; and minimum two years related progressive experience in a network engineering role required.Previous working background in an MSO (Multiple System Operators) in the cable industry preferred.TECHNICAL EXPERIENCELinux Administration: 4+ years hands-on experience managing CentOS or RHEL environments. Automation & Scripting: Proficiency with Shell, Python, Perl, Docker, and/or Ansible for system automation and orchestration.Network Engineering: 5+ years designing, deploying, and operating high-availability corporate and telecommunications networks.Network Skills: Demonstrated expertise in advanced troubleshooting and in applying industry-standard network-security best practices.PREFERRED CERTIFICATIONSCCIE — Cisco Certified Internetwork ExpertCISSP — Certified Information Systems Security ProfessionalRHCSA — Red Hat Certified System AdministratorRHCE — Red Hat Certified EngineerCCSE — Check Point Certified Security ExpertNSE 7+ — Fortinet Network Security Expert (level 7 or higher)F5-CTS — F5 Certified Technology Specialist