IT Infrastructure & System Administration Services in Miami, FL (Servers, AD & Azure)

Kusma provides IT infrastructure services in Miami focused on servers, Active Directory, and Azure/Entra ID. We deliver system administration services for small businesses and growing companies that need reliable server support, server maintenance, and hands-on infrastructure management — on-site or through secure remote support. We are an owner-led local team delivering practical infrastructure solutions through IT infrastructure implementation, upgrades, and troubleshooting, with clear documentation on what was changed and why.

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15+ years’ IT experience

Servers, AD, Azure covered

Hourly or project-based

On-site & remote support

Local, owner-led Miami team

What Are IT Infrastructure & System Administration Services?

IT infrastructure & system administration services are hands-on IT infrastructure management services that cover planning, implementation, upgrades, and troubleshooting for the core business systems that run your company — including server administration, Active Directory support, and Azure/Entra ID maintenance. Kusma delivers these IT infrastructure services in Miami, Florida on-site or via secure remote access, as hourly support or project-based work.

Common Server & Active Directory Issues in Miami, Florida

If your business has no server yet, growth can expose gaps fast: file sharing becomes messy, access rules aren’t consistent, and there’s no central place to manage permissions, backups, and control.

If you already run servers and Active Directory, issues often show up as slow logins, intermittent outages, or hard-to-trace problems linked to missed maintenance, AD/DNS misconfigurations, or undocumented changes. Kusma covers both with structured server administration services — building the server foundation from scratch and stabilizing existing environments so your infrastructure stays predictable.

Users can’t log in / slow domain logins

Domain authentication problems, DC health checks, and DNS support for Active Directory.

Account lockouts and password issues

Find the lockout source and stabilize sign-in behavior across devices and apps.

Group Policy not applying (GPO issues)

Review and clean up policies so settings apply consistently.

Server updates break critical services

Safer update approach: planning, change control, and recovery-ready maintenance.

Low disk space and uncontrolled data growth

Capacity planning and practical fixes to prevent downtime.

Unstable server performance or random reboots

Diagnostics + firmware/BIOS/iLO updates and root-cause troubleshooting.

New server setup or replacement needed

Structured server administration from sizing to deployment and documentation.

Azure/Entra ID sign-in or SSO issues

Azure Active Directory (Entra ID) support, including SAML/SSO configuration where required.

What’s Included in Our IT Infrastructure & System Administration Services

Kusma delivers practical IT infrastructure services built around servers, identity, and cloud. This includes IT infrastructure assessment, implementation, and ongoing server administration services.

IT Infrastructure Assessment & Planning

Baseline review, recommendations, and a clear plan for IT infrastructure implementation services, upgrades, and modernization.

Server Setup & Implementation

Sizing, deployment, and configuration as part of server administration services and IT infrastructure support services.

Server Maintenance & Management

Routine health checks, update planning, and ongoing server maintenance services to keep performance stable and reduce downtime.

Firmware/BIOS/iLO Maintenance

Platform-level upkeep (firmware/BIOS/iLO) to improve stability and reduce hardware-related incidents.

Active Directory Administration

Setup and ongoing Active Directory support services, including core domain configuration and DNS support for Active Directory.

Azure / Entra ID Administration

Azure Active Directory (Entra ID) support, tenant basics, and identity configuration, including SAML/SSO where required.

Remote or On-Site Field Infrastructure Support

Secure remote server support services and on-site work in Miami, including hourly server support services for project overflow or urgent needs.

Documentation & Change Tracking

A clean record of what was implemented, changed, and why — so your IT infrastructure management services stay predictable over time.

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Why Choose Kusma for IT Infrastructure & System Administration

When you bring someone into your servers and identity systems, you need careful work, clear communication, and predictable results. Kusma is a local, owner-led Miami team focused on server administration, Active Directory, and Azure/Entra ID.

Owner-led, local Miami team

You work with the same technical team from start to finish, not a rotating pool. We keep projects clear, practical, and aligned with how your business actually operates.

Infrastructure-first expertise

Our work centers on the systems that run your business: servers, Active Directory, and Azure/Entra ID. That focus means cleaner setups, fewer surprises, and more stable infrastructure.

Built for small and medium business environments

We design infrastructure that fits your environment and priorities. You get what you need today, with a clean path to scale when you’re ready.

Flexible engagement

Bring us in hourly or project-based, for a one-time build, migration prep, or ongoing infrastructure work. On-site in Miami or secure remote delivery, whichever fits the job.

Clear scope, clean documentation

We document what was changed and why, so your environment is easier to maintain and safer to upgrade later. Less guesswork, faster troubleshooting, smoother handoffs.

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How Our IT Infrastructure & System Administration Services Work

IT infrastructure work should make your systems more predictable, not more fragile.

/ Step 1 – Call

Quick call to confirm goals, scope, and access.

/ Step 2 – Review

We check the current setup and identify the main gaps and risks.

/ Step 3 – Implement

We complete the work as IT infrastructure implementation services: build, configure, and test.

/ Step 4 – Document

You get a clear change log and practical next steps.

What You Get with IT Infrastructure & System Administration in Miami

Good system administration makes your environment easier to run: fewer surprises, cleaner access, and changes you can actually track.

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Less downtime from infrastructure issues

Proactive server maintenance and careful changes reduce random outages and keep core services available.

A clean foundation for access and control

Active Directory and identity configuration stays consistent, so permissions, logins, and policies don’t turn into guesswork.

Documented changes you can rely on

You get clear notes on what was changed, why it was changed, and what to watch next, so nothing becomes tribal knowledge.

Infrastructure that scales with your business

Planning and implementation help you grow without turning servers, storage, and identity into a bottleneck.

Security basics built into the setup

We follow practical infrastructure security practices, updates, access controls, and safer configuration defaults, without overcomplicating your environment.

Tech Coverage — Systems & Platforms We Work With

We work with a wide range of systems, hardware, and business software, so we can support your environment as it is. This flexibility lets us deliver the best fit for your needs instead of forcing a one-size setup.

Operating Systems

Windows Server•Linux•macOS•

Microsoft Infrastructure

Active Directory•Microsoft 365•Azure AD (Entra ID)•

Virtualization & Servers

VMware•Hyper-V•Proxmox•

Security & Backup

Microsoft Defender•EDR (Bitdefender /ESET)•Veeam Backup•

> Ready to Stabilize Your Infrastructure?

Book a short call. We’ll review your current servers, Active Directory, and Azure/Entra ID needs and recommend a clear next step.

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What Clients Say

See how Miami businesses describe working with Kusma on IT infrastructure and system administration services after trusting us with the systems behind their day-to-day operations.

thanks for your help ! Highly recommend and will definitely use again

toni vorsinsky

Best of the best 1000%

Iv Ra

Thank you very much to Sergey for his assistance and advice on what to do with my equipment. Thank you for your willingness to help

Elena Druzh

Nice

Andrei Yaromin

Thanks. Everything was great. I’ll be recommend.

Mister Boyko

FAQ

What information do you need to start (and do you sign an NDA)?

We typically start with a short call, then request basic environment details (what servers you have, where identity lives, what’s hosted on-prem vs cloud). If you need an NDA, we’re happy to sign one before access is shared.

Do you work hourly or project-based, or both?

Both. We can support a one-time project (new server setup, AD cleanup, Azure/Entra ID configuration) or hourly server support services as needed. Work can be delivered remotely via secure access or on-site in Miami when hands-on time is required.

Can you help if we don’t have a server yet?

Yes. We can recommend a right-sized server approach for your business, complete setup, and provide server administration services with documentation so the environment is easy to maintain.

What access do you require for remote work?

We use secure remote methods based on your environment. In most cases that means a controlled remote session or VPN access with least-privilege credentials, and we document what changes were made.

Do you support Azure Active Directory support / Azure/Entra ID and SSO (SAML) setups?

Yes. We can assist with Azure Active Directory support (Entra ID) and identity-related tasks, including SSO/SAML where required for business applications.

Will you coordinate with our internal IT or another vendor?

Yes. We can work alongside your internal staff or existing vendors to complete IT infrastructure tasks cleanly and avoid duplicated work.

What’s the difference between System Administration Services and Managed IT Services?

System administration services focus on servers, Active Directory support, and Azure/Entra ID work delivered hourly or by project. Managed IT is a broader ongoing service that covers day-to-day user support, endpoint management, and full IT operations under a monthly agreement.

Do you offer outsourced IT infrastructure services?

Yes. Many companies outsource specific infrastructure work to Kusma, server administration, Active Directory support, and Azure/Entra ID tasks, either as a project or hourly support. This is a practical way to get experienced IT infrastructure management without hiring a full-time specialist.

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