Senior Systems Administrator

International Role - No - Only National applicants will be considered.
2+ Years

*Preferred position location: Costa Rica. Other locations to be determined by home country of successful candidate within the PST (Pacific Standard Time) zone where WVI is registered to operate.

*Please submit your CV in English.


Sr. Systems Administrators are responsible for maintaining, monitoring, and supporting systems in a global environment (both on-premise and on-cloud environments). They work on multiple projects as a team lead and provide technical leadership to Systems Administrators. They perform troubleshooting for complex hardware, operating system software and basic network problems.

Systems Administrators and Engineers are responsible for the development and operations of secure and highly available global computing platforms. They design, install, maintain and upgrade the enterprise’s systems operating environment.

They are also responsible for the ongoing reliability, performance and support of the infrastructure. This includes monitoring systems, responding to problems and planning for growth.

Individuals design and build the systems operating environment and infrastructure to meet business requirements. This includes servers, storage, and backup media. They monitor and optimize the performance of operating systems and applications such as Web, Windows, Linux, VMware, Active Directory, DNS and DHCP. They maintain a secure systems environment by installing/maintaining security applications, managing access control mechanisms, and assigning user ids and passwords to authorize systems access. They also monitor automated system backup activities and execute contingency plans in case of system outages. Other responsibilities include providing operations support 24 hours per day, 7 days

per week. They analyze console messages, diagnose system failures and take corrective action in order to ensure continuity of operations. This job family provides system backup processing, manages off-site storage and leads disaster recovery tests.

System Administrators and Engineers need good communication skills and must be able to work collaboratively with system users and other technical colleagues. Individuals work across all functional areas of the enterprise and use a strong customer service orientation to ensure that all requests and problems are resolved in a professional manner. They share their expertise and provide individual training and support to users. Systems Administrators and Engineers work with other technical staff and vendors to provide IT services to all customers.


Project Planning:

  • Leads or consults short- and long-term project planning efforts with team members, clients and other IT groups.

  • Develops cost/time estimates.

  • Documents discussion and agreements.

Technical Requirements:

  • Works with systems engineer and IT Operations Manager to understand technical requirements for both on-cloud and on-premise environments.


  • Integrates solutions with other applications and platforms outside the framework.


  • Performs routine maintenance tasks for infrastructure systems such as backups, patch management and hot fixes.

  • Develops strategies to manage the frequency of appropriate support package/patch application.

  • Monitors health of systems and provides appropriate recommendations, when required.


  • Coordinates and validates activities.

  • Manages user’s level of access to, systems, servers (on-premise & on-cloud) and files.

  • Administers the setup of new profiles, creates and updates access permissions and maintains user accounts.

  • Installs, configures and maintains system hardware and software components.

  • Maintains tracking and configuration documentation and plans.

  • Supervising the installation of system upgrades and service packs.

  • Determines if inactive accounts should be deleted.

Performance Monitoring:

  • Supervises the monitoring procedures and evaluates problems identified by team members.

  • Ensures that capacity workload modeling and availability analysis is performed.

  • Monitors system-operating capacity in terms of disk space, tape storage, memory and CPU utilization.

  • Reviews performance and control reports.

  • Recommends settings changes to the operating system to improve performance and reliability.

  • Develops, maintains, recommends, documents and supports tools and backend utilities to provide capacity planning management.


  • Leads or provides technical direction for the planning, designing, and execution of testing efforts.

  • Ensures that tests evaluate all possible impacts on the current infrastructure or application.

Continuous Improvements:

  • Recommends performance metrics.

  • Analyzes and reports on operational metrics to understand performance and to ensure success in process improvements.

System Job Schedule:

  • Translates business and technical requirements to develop automation specifications that span more than one business area.

  • Updates job schedule based on current priorities and special handling requests.

  • Ensures reliability and availability of platforms.

  • Schedules maintenance and repairs.

Computer Operations:

  • Coordinates production job processing.

  • Ensures that maintenance procedures are executed.

  • Updates job schedule based on current priorities and special handling requests.

  • Operates computer hardware systems and related peripheral equipment.

  • Monitors systems on a 24x7 schedule.

  • Performs maintenance procedures.

  • Validates input and output data for completeness and accuracy.

  • Analyzes job processes and recommends improvements.

  • Reviews historical data for trend analysis.

Production Support:

  • Coordinates problem resolution among team members.

  • Documents, monitors, reports, and manages the resolution of systemic issues.

  • Works with Systems Engineers and Architects when issues appear systemic or cannot be resolved.

  • Recommends procedures and controls for problem resolution or creates temporary solutions until permanent solutions can be implemented.

  • Documents problem status and resolution.

  • Develops checklists and scripts for resolving routine problems.


  • Works with IT Security, where needed, in investigations and/or audits of systems.

  • Analyzes audit trails to detect systematic security violations.

  • Reports security issues when appropriate.

  • Ensures security requirements are adhered to.

Business Continuity:

  • Administers archival activities such as installing, upgrading, configuring, and scheduling and monitoring, jobs.

  • Performs data image archiving.

  • Performs off-site storage procedures.

  • Verifies that system backups run successfully.

Policies, Procedures and Standards:

  • Ensures compliance with policies, procedures and standards.

Service Level Agreements (SLAs):

  • Monitors production, outputs, and services to ensure that SLA’s, and other quality metrics, are being met.

Documentation/User Guides:

  • Writes, reviews and/or maintains technical documentation for product environments.

  • Ensures documentation is developed and maintained.


  • Supports and participates in the formal reporting of project status.


  • Provides coaching and guidance to team members.


  • Evaluates future technologies and makes recommendations.


  • Bachelor’s degree or technical institute degree/certificate or equivalent work experience.

  • Requires at least 5+ years administering servers in an enterprise environment.

  • Requires at least 5+ years of experience designing, configuring, and deploying server hardware.

  • Typically requires 5-7 years of relevant information technology work experience.

  • Willingness and ability to travel domestically and internationally, as necessary.

  • Microsoft Azure or AWS Relevant certifications would be an advantage.

  • ITIL v3 or v4 certifications would be an advantage.

  • MCP, MCITP, MCSA, MCSE, VCP would be an advantage.

  • Microsoft Windows Server 2012, 2016 and 2019 would be an advantage.


  • Proven project management skills.

  • Strong background in networking protocols and functions.

  • System analysis and troubleshooting skills.

  • Strong oral and written communication skills.

  • Minimum of four (5) years experience in Windows or Linux Server system administration.

  • Experience writing Python and Windows Powershell.

  • Experience in Azure or AWS management.

  • Experience managing advance Hypervisor/VMWare clusters.

  • Experience managing a Cloud infrastructure.

  • Experience with OS security involving Active Directory, Windows networking, Group policies, DNS, PKI & Certificates.

  • Experience with backup system architectures.

  • Experience with integration of systems.

Work Environment/Travel:

  • The position requires ability and willingness to travel domestically and internationally up to 5% of the time.