Linux system administrator

Job Description

We 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 experience Required Qualifications:

Environment: RHEL, Bind, Power DNS, Terraform, Ansible, AWS, GCP

Coding: 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 customers

Troubleshooting: understanding of *nix os, networking protocols, applications, and our services run to be able to diagnose and fix problems

Attitude: 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 things Useful 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 do

Candidates must have a base understanding of process, memory, filesystem, networking, and common troubleshooting techniques on *nix and RHEL-like operating systems Contractor Scope of Work Delivery Expectations: Below covers the scope of work we anticipate the contractor supporting throughout the project timeline.

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 scale

Participate in the design, implementation, and day-to-day operations of DNS services, working within established architectures and contributing improvements where appropriate

Troubleshoot and resolve complex DNS, system, and network-related issues, performing deep technical analysis to identify root causes and implement durable fixes

Identify opportunities for automation and operational improvements, and develop scripts or tooling to reduce manual effort and increase consistency

Maintain and improve system configurations, monitoring, and alerting related to DNS infrastructure

Contribute to the evaluation and adoption of new technologies or approaches that improve DNS reliability, scalability, or operational efficiency

Create and maintain clear technical documentation, runbooks, and SOPs to support operational continuity and knowledge sharing

Collaborate closely with peers across infrastructure, network, and application teams to resolve cross-domain issues For all open requirements, candidates need to be flexible to work in US shift /outside India standard hours.