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I need an experienced system administrator to take charge of preparing and configuring both Windows and Linux environments from the ground up. On the Windows side that means installing the OS, enabling the required roles and features, creating baseline GPOs and user groups, and ensuring remote management is locked down. For Linux, I primarily work with Ubuntu and CentOS; the job involves fresh installs, package hardening, service configuration, and setting up SSH-based administration. Because this is the first phase of a broader operations overhaul, solid documentation is essential. I expect concise build notes, a repeatable checklist for each platform, and a short verification report showing that every machine boots cleanly, responds to basic health checks, and is reachable over the agreed-upon management ports. Deliverables: • Fully installed and configured Windows Server and Linux instances • Hardened default configs (users, firewall, services) • Step-by-step build documentation and post-deployment health report If you are comfortable switching between PowerShell and Bash, keep security top of mind, and can deliver clear documentation, let’s get started.
Project ID: 40424257
34 proposals
Remote project
Active 4 days ago
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34 freelancers are bidding on average $58 USD for this job

Hello, I have 10 years of experience in system administration, specializing in both Windows and Linux environments. I can set up and configure your Windows and Linux servers, ensuring security and efficiency. My expertise includes building reliable systems with detailed, replicable documentation. I will ensure all systems meet your requirements for hardening and remote management. Regards, VishnuLal NB*
$100 USD in 1 day
7.6
7.6

As an adept system administrator with over 10 years of experience, my profile aligns perfectly with the scope and scale of your project. I have not only engineered operational transformations for both small-scale and enterprise-level firms, but I have also worked extensively with the technologies you require, including Linux variants like Ubuntu and CentOS. In addition to my technical qualifications, my commitment to best practices and efficient documentation adds significant value to your project. I understand the importance of also keeping 'security top of mind" while making any adjustments. My familiarity with numerous vendors such as Cisco, VMware, IBM etc has refined my attention to detail and has ensured the delivery of work conforming to industry standards. Ultimately, reliability and professionalism are values I hold steadfastly. Coupled with my expertise in network, VoIP, system design, implementation and fortified by my availability around-the-clock - I guarantee swift response times, 100% project delivery and utmost dedication to facilitate a smooth transition in this critical phase of your operations overhaul. Let's join forces to provide you a systematic setup that is secure, powerful and well-documented so that it's ready for further improvements down the road. Looking forward to partnering on this exciting project!
$20 USD in 1 day
7.3
7.3

Hi there, I am networking expert specialist and consultant for more than 11 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project i will always look for solving your tasks ickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy
$12 USD in 1 day
6.0
6.0

Hi, I've handled end-to-end Windows Server and Linux (Ubuntu/CentOS) environment builds for multiple clients, so I understand exactly what your first-phase operations overhaul demands — clean installs, locked-down configs, and documentation solid enough for your team to replicate every step. My approach: I'll provision each Windows instance with the required roles, baseline GPOs, and tightened remote management, then move to Linux for package hardening, service tuning, and SSH administration setup, applying CIS-informed benchmarks throughout. Every machine gets firewall rules audited, unnecessary services disabled, and user/group policies configured to least-privilege standards. I'll deliver concise build checklists per platform and a post-deployment health report covering boot validation, service status, and management port reachability. I'm comfortable switching between PowerShell and Bash daily and can start immediately.
$11 USD in 1 day
5.7
5.7

Hi! I'll set up and harden both your Windows Server and Ubuntu/CentOS instances from scratch, configure GPOs, user groups, SSH-based admin, firewall rules, and service hardening, then hand you concise build docs, a repeatable checklist for each platform, and a post-deployment health report confirming clean boots and reachable management ports. Any specific compliance baseline or hardening standard I should follow?
$12 USD in 5 days
5.4
5.4

Hello, Linux and Windows System administrator, thanks to contact me for more details about your projects. Regards, Kamal .Z
$12 USD in 30 days
4.9
4.9

hello! hoping you are fine. im an expert with +8 years of experience in system administration, windows server and linux (ubuntu/centos). i've built, hardened and fully documented cross-platform server environments using powershell and bash before, so i can get your infrastructure configured and secured fast. are these instances going to be deployed on a cloud provider like aws/azure or on-premise? contact me, i will reply right now!
$12 USD in 7 days
4.6
4.6

Hello, I’m an experienced System Administrator with strong expertise in both Windows Server and Linux environments including Ubuntu and CentOS. I can handle complete OS installation, server hardening, GPO configuration, SSH setup, firewall/security tuning, and remote management from scratch. I recently completed a similar infrastructure setup project and can also provide detailed build documentation, deployment checklists, and post-deployment health verification reports. I’m comfortable working with both PowerShell and Bash while ensuring security best practices throughout the deployment process.
$12 USD in 1 day
4.0
4.0

With 5 years of experience in system administration, I'm confident I can deliver exceptional results for your Windows and Linux environment overhaul. My proficiency with Ubuntu and CentOS aligns perfectly with your project's Linux requirements, enabling me to perform fresh installs, package hardening, service configurations with ease. Furthermore, my familiarity with SSH-based administration guarantees efficient remote management - maximizing the value I can bring to your project. On the Windows side of things, my knowledge extends to setting up the OS, enabling essential roles and features, enforcing group policy objectives, securing remote management capabilities and much more. The ability to switch between PowerShell and Bash allows me to bring an adaptive approach to managing your systems. Also, rest assured that documentation will be a top priority throughout the process. Precise build notes, repeatable checklists tailored for each platform and comprehensive reports are all part of my standard practice. In conclusion, as someone who's not just a system administrator but a strategic technology partner focused on long-term growth - I believe my skill set and dedication would serve you well in this project. Let's get started on building a more resilient, efficient and secure environment for your operations.
$12 USD in 4 days
3.0
3.0

Hello, With over 15 years of focused experience as a Linux Systems Engineer. I'm confident that I can take charge of preparing and configuring both Windows and Linux environments from the ground up . I am a MCSA and RHCE certified engineer. I have experience in all control panels and SSH commands. I am a full time freelancer, available 16x7. Please find my work history to ensure my experience. thanks Bineesh
$12 USD in 7 days
2.9
2.9

I am Ring. About 22+ years experience in GNU/Linux based server and desktop deployment, customization, maintenance and end-user support. Also providing on-site and remote support to Debian/Ubuntu/OracleLinux/CentOS/Alpine/Alma/RockyLinux end-users daily around 15+. Hope I may help you in this regard.
$50 USD in 1 day
3.5
3.5

Hi there ✌️, I’m a system administrator with hands-on experience building and hardening Windows Server and Linux (Ubuntu/CentOS) environments from scratch. I’ve configured Active Directory, baseline GPOs, user/group structures, and secured remote management using best practices in PowerShell and Windows security policies. On Linux, I regularly perform clean installs, service configuration, SSH hardening, firewall setup (UFW/iptables), and package-level security tuning. I focus heavily on security, consistency, and repeatability, so I always deliver clear build documentation, reusable deployment checklists, and post-install health verification reports covering services, ports, and system stability. I can ensure both environments are production-ready, secure, and fully documented for future scaling or automation. Regards,
$12 USD in 7 days
2.2
2.2

Hello, there, I hear you’re aiming for solid, auditable foundations for Windows and Linux from day one. I’ll design and implement clean, repeatable builds that boot cleanly, harden the default state, and document every step so your ops team can reproduce with confidence. A real risk here is drift between Windows and Linux baselines and the potential for misconfigured remote access to creep back in after deployment. I’ll lock down management endpoints, enforce minimal service exposure, and include a concise post-deploy health report to catch issues early. My approach combines practical, hands-on setup with pragmatic automation: install and configure Windows Server roles, create baseline GPOs and group structures, and harden firewall rules; for Ubuntu and CentOS, perform fresh installs, tighten SSH, harden services, and establish a reusable checklists-based build. I’ll keep changes idempotent and auditable so re-runs stay safe and predictable. A deeper note: I’ll implement idempotent, artifact-driven scripts with clear validation at each stage, plus a lightweight verification queue that reports boot health, reachable management ports, and key services. This boosts reliability, reduces manual touchpoints, and simplifies future scaling. Thanks, Jim.-
$20 USD in 1 day
0.0
0.0

Hello, I am an experienced System Administrator with strong knowledge in both Windows Server and Linux environments (Ubuntu / CentOS). I can fully handle the installation, configuration, and security hardening of your systems from the ground up. For Windows Server, I will install and configure the OS, set up required roles and features, create users and groups, and implement secure baseline GPO policies while ensuring safe remote management access. For Linux servers, I will perform clean installations, configure essential packages and services, secure SSH access, apply firewall rules, and harden the system for production use. I also understand the importance of documentation in this phase. I will provide clear step-by-step build notes, reusable checklists for future deployments, and a verification report confirming system health, accessibility, and proper configuration. I am comfortable working with both PowerShell and Bash, and I always prioritize security, stability, and clean documentation. Ready to start immediately.
$220 USD in 6 days
0.0
0.0

Hi, I’m a Senior Infrastructure Engineer with 15+ years of experience managing Windows and Linux server environments in enterprise infrastructures. I can assist with: • Windows Server installation and configuration • Active Directory, GPOs, users and roles • Remote management and security hardening • Linux administration (Ubuntu/CentOS) • SSH configuration and service setup • VMware and virtualized environments • System validation, monitoring, and documentation I have experience building and supporting stable server environments from scratch, including deployment, configuration, troubleshooting, and operational documentation. Available for remote support and immediate start. Looking forward to working with you.
$25 USD in 7 days
0.0
0.0

Hi, I can help you set up and harden both Windows and Linux environments from the ground up with a strong focus on security, repeatability, and clean documentation. For this project, I can handle: Windows Server Setup • Fresh OS installation and initial configuration • Role and feature installation based on your requirements • User/group creation and baseline GPO configuration • Secure remote management setup (RDP, WinRM, firewall policies, restricted access) Linux (Ubuntu/CentOS) Setup • Fresh installation and package updates • SSH-based administration setup with secure authentication • Firewall configuration (UFW / firewalld / iptables) • Service configuration and hardening • User permissions, sudo policies, fail2ban, and baseline security practices * Boot validation * Service checks * Firewall and port verification * SSH/RDP accessibility * Basic system health status Tools & Technologies: • PowerShell • Bash scripting • Windows Server Administration • Ubuntu / CentOS Administration • SSH, WinRM, GPO, system hardening • Basic automation for repeatable deployments where applicable I can start immediately and provide structured updates throughout the setup process. Looking forward to working with you. Thank you
$11 USD in 1 day
0.0
0.0

Hi. I am an experienced system administrator ready to handle your Windows and Linux deployments, package hardening, and step-by-step documentation. I have a few logistical questions: Is this an onsite or a remote project? If it is onsite, do you sponsor transportation and housing for the duration of the job implementation? Français: S'agit-il d'un projet sur site ou à distance ? Si c'est sur site, prenez-vous en charge le transport et l'hébergement pendant la durée de la mission ? العربية: هل هذا المشروع في موقع العمل أم عن بُعد؟ إذا كان في موقع العمل، هل تتكفلون بتكاليف النقل والسكن طوال فترة تنفيذ العمل؟ Regards, Andre
$500 USD in 4 days
0.0
0.0

We are a professional technical team with over 10 years of experience in system administration, cloud infrastructure, cybersecurity, DevOps, software development, and enterprise IT operations. Our expertise covers both Windows and Linux environments, including secure deployments, server hardening, automation, and infrastructure management. For your project, we will fully prepare and configure Windows Server and Linux systems from the ground up using industry best practices. This includes OS installation, role and feature configuration, GPO baselines, user and permission management, firewall and SSH hardening, remote administration security, and service optimization for Ubuntu and CentOS environments. Security, stability, and maintainability are our priorities. We will also provide clear, structured documentation including deployment steps, repeatable configuration checklists, and detailed post-deployment health verification reports to support your long-term operations roadmap. Our team is highly experienced with PowerShell, Bash, server automation, and cross-platform infrastructure workflows. In addition to infrastructure expertise, we also specialize in software development, applications, websites, UI/UX, design, and multimedia production. We are fluent in both Arabic and English and ready to deliver a secure, scalable, and professionally documented infrastructure setup.
$12 USD in 7 days
0.0
0.0

Hello, I have solid experience building and hardening both Windows and Linux environments with a strong focus on security, stability, and clear documentation. I can handle the full setup process including OS installation, roles/features configuration, GPOs, user and access management, firewall hardening, SSH configuration, and secure remote administration across Windows Server, Ubuntu, and CentOS environments. In addition to the deployment itself, I will provide: • Clear step-by-step build documentation • Repeatable deployment checklists • Post-deployment health verification reports I understand the importance of creating a reliable foundation for future operations, and I focus on delivering clean, secure, and well-documented environments. Looking forward to working with you. Best regards, Zeyad
$40 USD in 2 days
0.0
0.0

Hello, I can assist you with your request. I have 24 years of experience in infrastructure and automated deployments of Windows and Linux devices, as well as expertise in best practices for deployment within the Infrastructure Department and security best practices.
$12 USD in 7 days
0.0
0.0

الرياض, Saudi Arabia
Member since May 6, 2026
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