高级系统管理员
Senior System Administrator
GuideIT 是一家美国技术服务公司，专注于通过技术对齐和优化为客户创造价值。我们正在寻找一位高级系统管理员加入我们的团队。
我们寻求一位技能娴熟、积极主动的高级系统管理员，具备服务器基础设施、云平台和企业协作服务方面的扎实背景。理想的候选人应具有 5 年以上的实际系统管理经验，并在 Windows Server 和 Active Directory 方面有深厚的专业知识，熟悉公共云基础设施，重点在 AWS，同时有 Azure 的次要经验，以及在 Microsoft 365 管理方面的能力，包括 Exchange Online、SharePoint Online、Teams、Intune 和 Entra ID。
主要职责· 根据客户指定的负责人指示，负责服务器和云基础设施的管理、维护和支持。
· 提供系统构建、文档、支持以及新环境和站点部署相关服务。
· 部署、配置和维护基础设施和服务平台，包括但不限于：
· Windows Server、Active Directory、DNS、DHCP、组策略以及文件和打印服务。
· AWS 计算、存储、网络和身份服务（EC2、S3、EBS、VPC、IAM、Route 53、CloudWatch）。
· Azure IaaS、Entra ID 以及混合身份和目录同步。
· Microsoft 365 工作负载，包括 Exchange Online、SharePoint Online、OneDrive、Teams 和 Intune。
· 支持网络服务，如 VPN、负载均衡器和防火墙策略变更。
· 执行系统维护和升级，包括在本地和云环境中应用服务包、补丁、热修复和安全基线。
· 监控系统、平台和网络性能，确保可用性和可靠性。
· 进行资源监控、趋势分析和容量规划，涵盖服务器、存储和云工作负载，包括云成本和使用情况审查。
· 管理备份、复制和灾难恢复流程，并参与定期的恢复测试。
· 使用 PowerShell、Bash 或类似的脚本语言和基础设施即代码工具自动化重复性管理任务。
· 遵守已建立的配置和变更管理政策，确保所有变更经过审核、批准并成功实施。
· 与公司的安全团队合作，选择并实施安全工具、政策和流程，包括身份、端点和云态势控制。
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查看英文原文
GuideIT is a US based technology services company focused on providing value to its customers through technology alignment and optimization. We are currently looking for a Senior System Administrator to join our team.
We are seeking a highly skilled and motivated Senior System Administrator with a strong background in server infrastructure, cloud platforms, and enterprise collaboration services. The ideal candidate will have 5+ years of hands-on systems administration experience and deep expertise in Windows Server and Active Directory, public cloud infrastructure with an emphasis on AWS and secondary exposure to Azure, and Microsoft 365 administration across Exchange Online, SharePoint Online, Teams, Intune, and Entra ID.
Primary duties· Administer, maintain, and support server and cloud infrastructure as directed by the client’s designated lead.
· Provide services focused on systems build-out, documentation, support, and new environment and site deployments.
· Deploy, configure, and maintain infrastructure and platform services, including but not limited to:
· Windows Server, Active Directory, DNS, DHCP, Group Policy, and file and print services.
· AWS compute, storage, networking, and identity services (EC2, S3, EBS, VPC, IAM, Route 53, CloudWatch).
· Azure IaaS, Entra ID, and hybrid identity and directory synchronization.
· Microsoft 365 workloads, including Exchange Online, SharePoint Online, OneDrive, Teams, and Intune.
· Supporting network services such as VPNs, load balancers, and firewall policy changes.
· Perform system maintenance and upgrades, including applying service packs, patches, hot fixes, and security baselines across on-premises and cloud estates.
· Monitor system, platform, and network performance to ensure availability and reliability.
· Conduct resource monitoring, trending, and capacity planning across server, storage, and cloud workloads, including cloud cost and consumption review.
· Administer backup, replication, and disaster recovery processes, and participate in periodic restore testing.
· Automate recurring administrative tasks using PowerShell, Bash, or comparable scripting and infrastructure-as-code tooling.
· Adhere to established configuration and change management policies, ensuring all changes are reviewed, approved, and successfully implemented.
· Collaborate with the company’s security team to select and implement security tools, policies, and procedures, including identity, endpoint, and cloud posture controls.
· Provide escalation-level technical support for system, cloud, and network-related issues within strict SLA windows.
· Mentor junior administrators and support staff, and contribute to runbooks, standards, and knowledge base documentation.
required skills· 5+ years of hands-on system administration experience in enterprise or managed services environments.
· Expertise in Windows Server administration, including Active Directory, Group Policy, DNS, DHCP, certificate services, and MFA.
· Hands-on experience administering AWS infrastructure (EC2, S3, VPC, IAM, Route 53, CloudWatch), with secondary working knowledge of Microsoft Azure.
· Proficiency administering Microsoft 365, including Exchange Online, SharePoint Online, OneDrive, Teams, Intune, and Entra ID (Azure Active Directory).
· Working knowledge of networking technologies, including routers, switches, and firewalls (Cisco, Meraki, Palo Alto).
· Understanding of routing, switching, and VPN technologies, as well as TCP/IP, DNS, DHCP, SMTP, IMAP, POP3, and other communication protocols.
· Experience using PowerShell or other scripting tools to improve administrative efficiency.
· Experience with virtualization platforms such as VMware vSphere or Hyper-V.
· Strong familiarity with ITIL standards and maintaining compliance in regulated environments.
· Knowledge of ticketing systems with a proven ability to manage and resolve tickets promptly.
· Strong communication and interpersonal skills, with the ability to interact effectively across teams and clients.
· Availability to participate in an on-call rotation and to perform maintenance during scheduled after-hours windows.
· Authorized to work in the US, with occasional travel to customer locations as needed.
Desired Skills· Microsoft certification such as AZ-104 (Azure Administrator Associate) or MS-102 (Microsoft 365 Administrator Expert).
· AWS certification such as Certified SysOps Administrator – Associate or Certified Solutions Architect – Associate.
· ITIL training or hands-on experience.
· Experience with monitoring and observability tools for system, cloud, and network performance.
· Familiarity with patch management and endpoint configuration processes.
· Experience with Linux systems administration (RHEL, Ubuntu).
· Experience with infrastructure-as-code and configuration management tooling (Terraform, Ansible, Bicep/ARM, CloudFormation).
· Exposure to backup and disaster recovery platforms (Veeam, Rubrik, Azure Backup, AWS Backup).
Additional Information· This position requires a highly proactive individual with the ability to manage multiple priorities effectively. The candidate should demonstrate a commitment to maintaining secure, reliable, and high-performing systems and cloud environments, while mentoring less experienced team members and contributing to the team’s overall success.
Education· Bachelor’s degree or an equivalent combination of education and relevant experience required.
Position Location· Remote or hybrid within the US, with occasional travel to customer locations as needed.
More about GuideIT
Headquartered in Plano, Texas, our services and solutions are designed to align technology with business outcomes, maximize value through cost management, and allow rapid, proactive response to change. At GuideIT, we are looking for candidates that have a high level of integrity and thrive in a team environment centered on mutual trust and respect. Our team members are results oriented and highly adaptable. In addition to a dynamic environment, GuideIT offers competitive pay, performance-based bonuses, 401K, health, dental and vision insurance coverage, paid holidays and paid time off.
GuideIT is committed to Equal Employment Opportunity. It is the policy of GuideIT to encourage and support equal employment opportunity for all Team Members and applicants for employment without regard to sex, race, color, ancestry, religious creed, national origin, pregnancy, physical disability, mental disability, medical condition, age, marital status, political affiliation, sexual orientation, disabled veteran, or Vietnam era veteran status.
Originally posted on Himalayas