Remote - Sr. System Administrator

Computers/Software Remote - United States


The Sr. System Administrator will be responsible for the support and maintenance of J2’s production infrastructure, both on-prem and cloud based, globally. In addition to standard operations responsibilities related to production Windows and Linux environments, this position will have additional focus on security compliance, auditing, and remediation where appropriate. This position’s responsibilities include management of environments utilizing both CMS systems and CI/CD based approaches. The ideal candidate for this position will have significant experience in both Windows, Linux and the tools related to managing large deployments supported by either OS


  • Provide production support for public, internal, and hybrid cloud infrastructures (AWS, oVirt, Hyper-V, etc.)
  • Administer, monitor and troubleshoot 2000+ Windows/Linux systems in a multi-platform environment
  • Develop and improve upon life-cycle management, patch remediation to support security and audit compliance.
  • Support email and DNS applications and systems:  Postfix, Sendmail, PowerMTA, BIND, PowerDNS, djbdns. 
  • Lead and participate on project teams on tasks and activities within the supported environments. 
  • Develop, implement, and maintain scripting tools and applications in shell scripting, Python, PowerShell, or other standard scripting languages.
  • Design and implement solutions for managing applications and infrastructure, with goals of increasing the security, reliability, repeatability, and consistency of operational tasks
  • Support and maintenance of infrastructure to include on-prem, colo, and cloud deployments. 
  • Plan and execute on-prem service migrations to AWS. 
  • Work ​closely​ ​with​ ​distributed​ ​development​ ​and​ ​QA​ ​resources​ ​in​ ​several​ ​countries to achieve low-friction efficient CI/CD pipelines. 
  • Evaluate and define config management strategies and process utilizing Puppet/Ansible/Terraform/Octopus/etc
  • Support and Automate Linux, Windows and Database administration activities and monitoring
  • Identify KPIs and implement scaling and resilience strategies in support of SLA expectations
  • Perform analysis and provide recommendations with regard to AWS deployments and opportunities for efficiency and cost reduction initiatives
  • Maintain and enforce compliance with audit controls and external certifications.
  • Prepare project documentation, status reporting, policies, procedures and reports assigned by management
  • Some after-hours and weekend work is required of this position.
  • Participation in on-call rotation is required of this position.


  • 6+ years hands-on UNIX/Linux system administration experience in a distributed enterprise environment
  • 4+ years of hands-on experience with Windows and AD administration in an enterprise environment.
  • 2+ years experience designing and implementing infrastructure as code within AWS ecosphere
  • Expert level proficiency in at least two scripting/programming languages: Bash, Perl, Python, Go, Ruby, PowerShell, etc
  • Extensive experience with configuring, executing and  analyzing security vulnerability scans. (Nessus, OpenVAS, Rapid7, etc)
  • Mastery in config automation tool sets such as Puppet, Ansible, Chef, etc
  • Experience with APM tool sets such as OpenAPM, NewRelic, etc
  • Proficient with Jira, Confluence, and git toolset
  • Hands-on experience with Agile/Scrum & Waterfall process environments
  • Consistently exhibits a personal accountability to outcomes to all team members, peers, and stakeholders.
  • Strong organizational skills, including the ability to respond quickly in a fast-paced environment
  • Able to prioritize and manage multiple projects simultaneously in order to meet deadlines

Nice to have

  • Experience with PCI, HiTrust, FedRamp/GovCloud and/or similar certification methodologies