Linux System Administrator

Job DescriptionWe are seeking an experienced Linux System Administrator who is a subject matter expert when it comes to DNS to join the SADA contractor program in supporting critical customer engagement.This role is ideal for an engineer who loves puzzles and problem-solving, is curious, is not afraid to ask questions, is helpful to others, enjoys mentoring and teaching, and has experience with DNS, network, *nix operating systems, and coding. The successful candidate will work closely with the customer's DNS system team responsible for the design, implementation, and operations of the DNS systems to deliver at-scale solutions.Required Credentials: Experience in networking. Formal education in computer networking, information technology, or equivalent practical experienceRequired Qualifications:Environment: RHEL, Bind, PowerDNS, Terraform, Ansible, AWS, GCPCoding: Perl, PHP, Python, C++, golang (any one and preferred is Python)Development: maintain and improve existing code consisting of tools, automation, services, etc.; develop new solutions for our internal customersTroubleshooting: understanding of *nix os, networking protocols, applications, and our services run to be able to diagnose and fix problemsAttitude: Friendly, enjoys working with others, and will keep up with and learn new technology; Sense of ownership of our service and an if-not-me-then-who attitude about fixing thingsUseful Qualifications:BS degree or equivalent industry experience. Typical candidates have a BS degree in Computer Science, Electrical Engineering, or 5 years of equivalent experience.Candidates must be comfortable coding and be willing to code in a below of any languages - Perl, Python, Go, PHP, and C++. (We don’t expect someone to be an expert in all of them)Candidates must understand basic networking principles and can explain how and why packets flow the way they doCandidates must have a base understanding of process, memory, filesystem, networking, and common troubleshooting techniques on *nix and RHEL-like operating systemsContractor Scope of Work Delivery Expectations:Below covers the scope of work we anticipate the contractor supporting throughout the projecttimeline.Scope and Solution Expectations:Operate, maintain, and support production DNS platforms running on Linux and other *nix-based systems, ensuring high availability, performance, and reliability at scaleParticipate in the design, implementation, and day-to-day operations of DNS services, working within established architectures and contributing improvements where appropriateTroubleshoot and resolve complex DNS, system, and network-related issues, performing deep technical analysis to identify root causes and implement durable fixesIdentify opportunities for automation and operational improvements, and develop scripts or tooling to reduce manual effort and increase consistencyMaintain and improve system configurations, monitoring, and alerting related to DNS infrastructureContribute to the evaluation and adoption of new technologies or approaches that improve DNS reliability, scalability, or operational efficiencyCreate and maintain clear technical documentation, runbooks, and SOPs to support operational continuity and knowledge sharingCollaborate closely with peers across infrastructure, network, and application teams to resolve cross-domain issuesFor all open requirements, candidates need to be flexible to work in US shift /outside India standard hours.

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