About the roleCiraSync On-Premise is our self-hosted contact and calendar synchronization platform for Microsoft Exchange environments.
It is the most technically demanding product in our portfolio, and today only a small number of agents can support it.
We are hiring a dedicated engineer to expand that coverage.
You will work directly inside customer environments — on-premises Exchange, Active Directory, Windows Server, and the networking layer around them — diagnosing sync, permission, mail flow, and connectivity issues alongside enterprise IT teams.
This is a support role that suits a working IT administrator: most of the day is spent doing the kind of troubleshooting a sysadmin already does, but across many customer environments instead of one.What you will doOwn on-premises support tickets end to end, from intake through resolution and follow-upWork with customers over email, phone, Zoom, and Microsoft Teams, including live screen-share troubleshooting sessionsAnalyze application logs, Windows event logs, Exchange logs, and PowerShell output to isolate root causeReproduce customer issues in an internal lab environment before escalatingEscalate to engineering with clear, structured reproduction steps and evidenceSupport customer upgrades, server migrations,



and environment health checksWrite and maintain knowledge base articles so that on-premises expertise is documented rather than held individuallyParticipate in internal knowledge sharing to reduce single-point coverage risk on this productWhat you'll bring3+ years as an IT Administrator or Systems Administrator in a Windows Server environmentHands-on on-premises Exchange Server administration ******************* / SE): mailbox and public folder management, permissions, mail flow, Exchange Management ShellHands-on on-premises Active Directory: organizational units, security and distribution groups, delegated permissions, user attributes, Group PolicyOn-premises networking troubleshooting: DNS, firewalls and proxies, TLS certificates, ports and service accounts, connectivity testingWindows Server administration, including services, IIS basics, and log file analysisComfortable working in PowerShellFluent spoken and written English, with the confidence to lead a call with an enterprise IT administratorAble to explain technical findings clearly to both hands‐on admins and non-technical stakeholdersNice to haveExchange Online and Microsoft 365 administrationEntra ID (Azure AD), hybrid Exchange, Entra Connect / Azure AD ConnectSQL Server fundamentalsPrior B2B technical support experience with a ticketing system (Salesforce, Zendesk, or similar)Experience writing customer-facing documentation or knowledge base contentRelevant Microsoft certificationsWorking arrangement and home office requirementsFully remote, work from home8-hour workday, Monday through Friday,



aligned to US business hours across US time zones; your exact shift will be set after the training periodA quiet, dedicated work area suitable for customer calls and video meetingsReliable high-speed internet connection (wired preferred; recommended minimum 50 Mbps down / 10 Mbps up)Quality headset and webcam for customer-facing callsStructured onboarding and training on CiraSync On-Premises before shift assignment and independent ticket ownershipConditions of employmentExclusive engagement.
Secondary employment or contract work ("moonlighting") is not permitted.Endpoint protection.
Company-managed endpoint protection software must be installed and remain active on the computer used for work.Background screening.
A personal background check is required prior to start.Assessments.
Candidates complete a Predictive Index behavioral and cognitive assessment and a live technical screening.Hiring processPredictive Index assessmentRecruiter / hiring manager screenTechnical screening — scenario-based, covering Exchange on-premises, Active Directory, and network troubleshootingInterview with the support leadership teamBackground screeningOfferCira Apps is committed to a diverse and inclusive workplace.
Cira Apps is an equal opportunity employer and does not discriminate based on race, national origin, gender, gender identity, sexual orientation, disability, age, or other legally protected status.If you would like to request an accommodation, please notify us at Salary: $2,800 USD / Month Originally posted on Himalayas
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📌 Technical Support Engineer - Cirasync On-Premise (Buenos Aires)
🏢 Cira Apps
📍 Buenos Aires