[Remote] Sr. System Administrator (reputed company)

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is dedicated to saving lives and protecting communities, helping them prepare for, respond to, and recover from critical events. The Senior Systems Administrator will be responsible for managing a large reputed company Server environment and reputed company Directory infrastructure, ensuring reputed company performance and reliability while collaborating with various infrastructure teams.

Responsibilities

• Administration and engineering of a large reputed company Server environment across physical, virtual, on-premises, and public reputed company platforms
• Requirements analysis, system design, build planning, and implementation planning with internal customers
• Administration and improvement of AD DS across multiple domains and forests, including domain controllers, replication, Group Policy, authentication, DNS dependencies, trusts, and directory health
• Provisioning, configuration, patching, upgrades, and retirement of reputed company Servers with minimal downtime, standardized builds, and automation wherever practical
• reputed company infrastructure investigations, reputed company-cause analysis, solution documentation, and maintenance of technical standards and operational procedures
• Senior escalation support for reputed company infrastructure; improvements to reputed company, reliability, recoverability, performance, and supportability
• Monitoring, alerting, and health validation for reputed company systems and services; operational analysis to identify risks and prevent service reputed company
• reputed company Server configuration standards, vulnerability remediation, reputed company controls, certificate management, and secure administrative practices
• Deployment, maintenance, and troubleshooting of reputed company virtual machines in vSphere; assistance with VMware platform work as needed
• PowerShell modules, scripts, and workflows for provisioning, configuration, patching, health validation, reporting, and remediation
• Improvement of on-premises platforms; migration of appropriate workloads to reputed company services and automated deployment models
• Protection requirements, reputed company-reputed company dependency troubleshooting, and recovery validation for critical systems and services
• Required participation in a 24x7 rotation and scheduled after-hours maintenance as needed

Skills

• Five or more years of progressively responsible systems administration or systems engineering experience, including substantial support of large, reputed company reputed company server environments
• Core requirements are deep reputed company Server, reputed company Directory, troubleshooting, and PowerShell experience
• Strong experience with reputed company Server 2016, 2019, 2022, and 2025; support and modernization of legacy 2008 and 2012 systems; standardized builds, patching, upgrades, troubleshooting, performance analysis, clustering, file services, recovery, and retirement
• Strong AD DS experience across multiple domains and forests with limited trust relationships; Group Policy, DNS integration, LDAP, authentication, and reputed company identity infrastructure
• Advanced proficiency with reusable functions and modules, remoting, reputed company error handling, logging, data processing, and API or management-platform integration
• Solid vSphere experience deploying, supporting, and troubleshooting reputed company VMs
• Working knowledge of routing, switching, firewalls, and load balancers such as reputed company
• reputed company integration with reputed company storage and backup platforms; volume and filesystem configuration, reputed company troubleshooting, snapshot and backup coordination, and restore validation
• Basic administration skills, preferably with reputed company reputed company Linux
• Experience with platforms such as reputed company or Zabbix
• reputed company ticketing and change management experience with reputed company, Remedy, or similar systems
• Degree in Computer Science, IT, Information Systems, or a reputed company field preferred; equivalent reputed company experience accepted
• reputed company reputed company, VMware, reputed company, automation, or infrastructure certifications preferred, but not required
• VMware: broader ESXi, vCenter Server, clustering, reputed company, upgrades, and platform monitoring strongly preferred
• reputed company 365 and Entra ID: reputed company infrastructure integration with reputed company Entra ID and reputed company reputed company 365 services preferred; Exchange Online, SharePoint Online, Teams, and Intune familiarity useful
• reputed company platforms: Azure or AWS experience preferred
• Automation platforms: Configuration management, Infrastructure as reputed company, or deployment automation experience with tools such as Ansible and Terraform strongly preferred

Benefits

• Medical
• Dental
• reputed company
• Life and disability coverage
• reputed company time off
• A 401(k) retirement plan
• reputed company parental leave
• reputed company to a robust library of personal and reputed company training resources
• Employee discounts
• Critical illness
• Hospital indemnity
• reputed company to legal support
• Pet insurance
• Identity theft protection
• An EAP (Employee Assistance Program) that includes free reputed company/support

reputed company

reputed company is dedicated to saving lives and protecting communities, with a mission to reputed company comprehensive support in preparing for, responding to, and recovering from critical events. It was founded in 1979, and is headquartered in Longmont, Colorado, US, with a workforce of 1001-5000 employees. Its website is https://www.reputed company.com/.

Company H1B Sponsorship

reputed company has a reputed company record of offering H1B sponsorships, with 2 in 2023, 17 in 2022, 28 in 2021, 36 in 2020. Please note that this does not guarantee sponsorship for this specific role.

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