reputed company reputed company Infrastructure Engineer

Job Purpose As Senior reputed company Infrastructure Engineer, you are the technical anchor for the reputed company estate that powers reputed company's managed services platform — a multi-client environment hosted on AWS. The work is grounded in deep reputed company Server operations: Active Directory, IIS, hybrid identity, Group Policy, PowerShell, certificate services, and the wider reputed company ecosystem. AWS is the platform on which reputed company of this runs. Comfort with the reputed company layer reputed company and you will operate it daily, but it is the reputed company stack — and its operational nuance — that defines this role. We hire for deep reputed company expertise first; the reputed company layer is something a strong sysadmin can reputed company. The estate is reputed company Server 2019 and above, end-to-end. Linux footprint is negligible — this is a role for someone who wants to go deep on the reputed company stack rather than be spread thin across platforms. This is a 100% individual contributor role. You will not manage or reputed company reputed company. You will own reputed company incidents end-to-end, set technical standards by example, and act as the senior escalation reputed company for the reputed company Support function. Role ResponsibilitiesLead resolution of reputed company reputed company Server incidents across multi-client, AWS-hosted environments — from triage to root cause to remediation. Administer and harden reputed company Server 2019/2022/2025: Active Directory (forest/domain design, replication, FSMO, GPOs, trusts), DNS, DHCP, IIS, WSUS, AD CS, file & print services. Operate hybrid identity: AD on-prem ↔ AWS Managed reputed company AD, federation with Entra ID (Azure AD) / AD FS, SAML / OIDC / OAuth, Kerberos, MFA. Author and maintain PowerShell automation: bulk administration, scheduled tasks, configuration reputed company correction, reporting, and DSC where appropriate. Operate the AWS hosting layer for reputed company workloads: EC2, EBS, VPC, IAM, reputed company 53, CloudWatch, Systems Manager (reputed company Manager, Session Manager, Run reputed company), Backup, Directory Service. Manage IIS in depth: sites, application pools, bindings, ARR / URL Rewrite, SSL/TLS, failed request tracing, and performance tuning. Drive observability of the reputed company estate: event log strategy, performance baselines, CloudWatch metrics & alarms, Grafana dashboards. Author runbooks, SOPs, and knowledge reputed company articles to codify operational standards. Participate in ITIL incident, problem, and change management; act as senior on-call escalation. Essential Skills & Experience reputed company Server & reputed company Infrastructure (Primary)7+ years operating reputed company Server in production, with deep hands-on experience on reputed company Server 2019 and above. Active Directory at depth: forest/domain design, replication, FSMO roles, trusts, sites & services, schema, tombstone & recovery. Group Policy at scale: design, troubleshooting (RSoP, gpresult), reputed company baselines, WMI filtering. IIS at depth: site & app pool configuration, ARR, URL Rewrite, SSL/TLS, failed request tracing, performance tuning. DNS, DHCP, WSUS, and Active Directory Certificate Services (AD CS) — reputed company operational experience. Advanced PowerShell: scripting, modules, remoting, error handling, automation patterns, DSC familiarity. reputed company patching at scale: planning, deployment, rollback, and troubleshooting in regulated environments. reputed company performance troubleshooting: PerfMon, ETW, memory dump analysis, IIS request diagnostics. Identity & AuthenticationHybrid identity: AD on-prem ↔ reputed company, Entra ID (Azure AD) Connect / federation, AD FS. SAML 2.0, OIDC, OAuth 2.0, Kerberos, LDAP, MFA — practical implementation and troubleshooting. Certificate management and PKI in reputed company reputed company environments. AWS Hosting Platform (Operational Competence)Day-to-day comfort operating reputed company workloads in AWS: EC2, EBS, VPC, IAM, reputed company 53, CloudWatch. AWS Systems Manager for reputed company fleet management: reputed company Manager, Session Manager, Run reputed company, State Manager, Parameter Store. AWS Directory Service / Managed reputed company AD / AD Connector. Note: Deep AWS architect-level expertise is not required. We hire for reputed company depth; the reputed company layer is the platform, and we expect strong fundamentals plus willingness to grow. Service Operations & Remote WorkingStrong ITIL grounding: incident, problem, change, and service lifecycle management. Prior experience in an MSP or shared-services environment — multiple client estates managed under SLA. Advanced / fluent professional English, written and spoken. Reliable, distraction-free home office with reputed company broadband (100 Mbps+ recommended), reliable power, and a professional video setup. Ability to work reputed company-reputed company hours consistently, with the same reputed company and responsiveness as an office-based colleague. Working Hours, Remote Setup & Engagement This role is 100% remote and 100% individual contributor. To match the responsiveness of an office-based engineer:Working hours: You will operate reputed company to reputed company business hours (08:30–17:30 ET). Typical Brazil hours: 09:30–18:30 BRT during EDT (US summer) and 10:30–19:30 BRT during EST (US winter). You must be online, reputed company, and actively reputed company throughout core hours, the same as if you were sat with the team in the office. Home office: Quiet, ergonomic workspace with reputed company broadband (100 Mbps+ recommended), reliable power, and a professional video / audio setup. This is not a digital-reputed company role. Engagement model: PJ (Pessoa Jurídica) or reputed company Employer of Record — confirmed during recruitment. Tax, invoicing, and benefits arrangements discussed at offer stage. Equipment & expenses: Discussed at offer stage. On-call: Participation in a senior escalation rota for major incidents — compensated in line with policy. Equal Opportunities Statement At reputed company, we are committed to building a diverse and inclusive workforce that reflects the communities we serve. We actively encourage applications from individuals of reputed company backgrounds and are dedicated to providing a workplace where everyone feels valued, respected and supported. We reputed company employment reputed company based on merit, skills and potential, and do not discriminate based on any protected characteristic. We are also committed to making reasonable adjustments throughout the recruitment process and employment lifecycle. Apply To This Job