OS Administrator (Linux & Windows) – Infrastructure Operations - LATAM

Posted One Month Ago
Be an Early Applicant
San Jose, Escazu, Escazu, CRI
In-Office
Entry level
Artificial Intelligence • Digital Media • Information Technology • Software • Automation
The Role
Administer Linux and Windows Server environments across large-scale enterprise infrastructure. Responsibilities include kernel and system troubleshooting, OS performance tuning, security hardening, vulnerability remediation, patching, VM provisioning, monitoring, incident response, and 24/7 on-call production support. The role also automates administration with scripting, supports VMware and hybrid cloud environments, maintains runbooks, and improves operational procedures across distributed datacenter and edge locations.
Summary Generated by Built In

About Aubrant 


Aubrant Digital is a leader in multi-shore custom application development. We are passionate about solving our clients’ business problems through consultative teamwork, innovative software, and proven processes. We’ve served more than 50 clients and delivered hundreds of high quality, custom enterprise applications.  Our clients value us as integral team members who get the job done on time and on spec, and we are proud of our high client retention rate and under 2% staff turnover. With offices in New Jersey, Boston, Costa Rica, and Eastern Europe, we execute the full software lifecycle, from architecture and design through development, QA and application maintenance & support.  Our company culture emphasizes client service, trust-based relationships, and innovation. 

OS Administrator (Linux & Windows) – Infrastructure Operations 


Must-Have Requirements 

  • Hands-on experience administering Linux distributions (RHEL 8/9/10, CentOS) and Windows Server operating systems in a large enterprise environment (1,000+ servers).
  • Kernel and system-level troubleshooting across both Linux and Windows platforms.
  • Performance tuning and optimization at the OS level.
  • Security hardening and compliance experience (CIS benchmarks, vulnerability remediation).
  • Patching and update management experience; familiarity with enterprise patch tools (e.g., Tanium) and VM build/provisioning processes.
  • Willingness and availability to participate in a 24/7 on-call rotation for production support.

Should-Have Requirements

  • Scripting ability in Bash and/or PowerShell to automate routine administration tasks.
  • Experience operating in a VMware-virtualized environment (VMs hosted across datacenter and edge locations)
  • Familiarity with monitoring and observability tooling (Datadog, Prometheus) to triage and resolve incidents.
  • Process-oriented mindset, with experience documenting runbooks and improving repeatable operational procedures.

Could-Have / Nice-to-Have Requirements

  • Exposure to Azure infrastructure and hybrid cloud/on-prem operations.
  • Familiarity with Chef and/or Ansible for configuration management.
  • Experience supporting distributed, multi-site environments (datacenter plus 200+ remote/edge locations).


Ideal Candidate Traits:

  • Curious, proactive, and collaborative.
  • Strong communication and teamwork skills.
  • Committed to delivering solutions together, not in competition.
  • Embraces Agile methodology and promotes a one-team culture.


Skills Required

  • Hands-on experience administering Linux distributions, including RHEL 8/9/10 and CentOS, in a large enterprise environment
  • Hands-on experience administering Windows Server operating systems in a large enterprise environment
  • Experience supporting environments with 1,000 or more servers
  • Kernel and system-level troubleshooting across Linux and Windows platforms
  • Operating-system-level performance tuning and optimization
  • Security hardening and compliance experience, including CIS benchmarks and vulnerability remediation
  • Patching and update management experience
  • Familiarity with enterprise patching tools such as Tanium
  • Experience with virtual machine build and provisioning processes
  • Availability to participate in a 24/7 on-call rotation for production support
  • Bash and/or PowerShell scripting ability
  • Experience operating in VMware-virtualized environments
  • Familiarity with Datadog and Prometheus monitoring and observability tools
  • Experience documenting runbooks and improving repeatable operational procedures
  • Exposure to Azure infrastructure and hybrid cloud/on-premises operations
  • Familiarity with Chef and/or Ansible configuration management
  • Experience supporting distributed, multi-site datacenter and edge environments
  • Experience working with Agile methodology
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The Company
HQ: Minnetonka, Minnesota
46 Employees
Year Founded: 2013

What We Do

Aubrant Digital is a global leader in custom software development, offering tailored digital solutions in enterprise software engineering, cloud infrastructure, and AI. With a unique global service model, Aubrant helps mid-market enterprises scale their digital capabilities and innovate through cost-effective engineering talent from India and nearshoring in Costa Rica. Since 2013, Aubrant Digital has empowered clients to succeed in the era of digital disruption.

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