System Administrators For Hire
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Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive less
Hire iosifpeterfi
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engkarimismail engkarimismail
$50 USD / hour
✅ Senior Network & System Engineer | Security|VOIPMalaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva less
Hire engkarimismail
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Web ERPs: We create customized Web Erps for all kinds of business. Logistic ERPs. Financial ERPs. Sales ERPs, Marketing ERPs etc. API Integrations. We do all kinds of api Integrations, Payment gateways, Couriers, Stocks etc., Experts in JSON, XML, APIs, Code Hackers/ Ethical Hacker / Reverse Engineering...Web ERPs: We create customized Web Erps for all kinds of business. Logistic ERPs. Financial ERPs. Sales ERPs, Marketing ERPs etc. API Integrations. We do all kinds of api Integrations, Payment gateways, Couriers, Stocks etc., Experts in JSON, XML, APIs, Code Hackers/ Ethical Hacker / Reverse Engineering Expert/ Vulnerability tester. Experts in Data Mining/Web Scraping Have over 10 years of experience in data mining/ Web scrapping. Tell us your source and we will we can do it for you, Expertise in data analytics of large sized data..99% Data Accuracy. Duplicate finder. etc., You can also ask output data into a particular format or into database Web Development We are professional web developers having expertise in all kinds of eCommerce developments/ website developments / php mysql customize projects less
Hire raminde
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touhidecevw touhidecevw
$60 USD / hour
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. less
Hire touhidecevw
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Bharat and his team are a dynamic and versatile group of technology professionals with a proven track record in developing cutting-edge Artificial Intelligence (AI) solutions, crafting innovative WordPress plugins, and managing Linux-based environments. Combining technical expertise with a creative approach, Bharat...Bharat and his team are a dynamic and versatile group of technology professionals with a proven track record in developing cutting-edge Artificial Intelligence (AI) solutions, crafting innovative WordPress plugins, and managing Linux-based environments. Combining technical expertise with a creative approach, Bharat and his team bridge the gap between advanced machine learning applications, user-focused web development, and robust system administration. In the realm of AI, Bharat and his team excel in designing, implementing, and deploying intelligent systems to solve complex real-world problems. Their portfolio spans natural language processing, computer vision, predictive analytics, and automation, showcasing their expertise in leveraging AI to deliver impactful results. They are proficient in Python, TensorFlow, and PyTorch and have a deep understanding of data-driven methodologies and algorithm optimization. Additionally, Bharat and his team are well-versed in Linux systems, utilizing the platform to optimize server performance, enhance security, and streamline deployments. Their expertise in Linux complements their AI and web development skills, ensuring seamless integration across diverse technologies. As strong communicators and collaborative team players, Bharat and his team excel at engaging with clients to understand their needs and translating business challenges into actionable technical solutions. Their passion for innovation and commitment to excellence makes them a valuable asset to any team or organization seeking to harness the power of AI, WordPress, and Linux. less
Hire Shrutibimpl
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Hi there, I am networking expert specialist and consultant for more than 8 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 and i will always look for solving your tasks...Hi there, I am networking expert specialist and consultant for more than 8 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 and i will always look for solving your tasks quickly. 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 less
Hire ramygoda1590
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TOP-RATED FREELANCER | AI & LLM AUTOMATION | CLOUD-BASED WEB SOLUTIONS Build smarter, faster, and scalable systems with AI-driven automation and intelligent web platforms. With 5+ years of hands-on experience, I help businesses automate workflows, deploy AI agents, and build high-performance websites and applications...TOP-RATED FREELANCER | AI & LLM AUTOMATION | CLOUD-BASED WEB SOLUTIONS Build smarter, faster, and scalable systems with AI-driven automation and intelligent web platforms. With 5+ years of hands-on experience, I help businesses automate workflows, deploy AI agents, and build high-performance websites and applications on secure cloud infrastructure. I specialize in LLM integrations, AI bots, workflow automation using n8n, and cloud-native web development focused on performance, scalability, and real business outcomes. CORE SKILLS AI & Automation – LLM integrations (OpenAI, GPT-4, ChatGPT API, LangChain) – AI bots (Slack, WhatsApp, Telegram) – n8n workflow automation and orchestration – AI-powered APIs and backend systems Backend & Full-Stack – PHP, Laravel, CodeIgniter, CakePHP – Python (Django, Flask) – Node.js (Express) – RESTful APIs and GraphQL Cloud & DevOps – AWS (EC2, Lambda, RDS, S3) – CI/CD pipelines (GitHub Actions) – Infrastructure as Code (Terraform, CloudFormation) Databases – MySQL, PostgreSQL, MongoDB CMS & E-Commerce – WordPress, WooCommerce, Shopify, Wix – Payment integrations (Stripe, PayPal, Razorpay, Google Pay) SEO & Performance – Technical and on-page SEO – Performance optimization and structured data WHAT I DO AI & LLM Automation – End-to-end workflow automation with n8n – Intelligent chatbots and AI agents – Content generation, data processing, and AI-driven logic Full-Stack & Backend Development – AI-enabled websites, SaaS platforms, and dashboards – Secure, scalable backend systems – Third-party API integrations AWS Cloud & DevOps – Auto-scaling cloud infrastructure – Serverless and optimized deployments – Performance and cost optimization WHY WORK WITH ME – Top-rated profile with consistent 5-star reviews – AI-first approach to reduce manual work and costs – Clean, maintainable, scalable code – Clear communication and on-time delivery Ready to build AI-powered systems or automate your workflows? Message me and let’s get started. less
Hire AsimJaved706
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Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an...Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an excellent English speaker/communicator with good collaboration experience. Looking forward to discussing more details. Best regards. Emile. less
Hire emilesd617
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expertshopify expertshopify
$25 USD / hour
DevOps | AWS | Linux Server | Shopify | SecurityBangladesh🚀 Welcome to My Profile! I’m a Shopify & WordPress Expert and Linux Server Administrator delivering end-to-end solutions for eCommerce and high-traffic websites. With 5+ years of experience and 400+ Shopify stores shipped, I’m a Shopify Certified Developer and an Enlisted Shopify Partner. Beyond development, I...🚀 Welcome to My Profile! I’m a Shopify & WordPress Expert and Linux Server Administrator delivering end-to-end solutions for eCommerce and high-traffic websites. With 5+ years of experience and 400+ Shopify stores shipped, I’m a Shopify Certified Developer and an Enlisted Shopify Partner. Beyond development, I handle server management, control panels (Plesk, cPanel, VirtualMin/Webmin), and DevOps to keep your stack fast, secure, and scalable. 🛒 Shopify & WordPress Services Shopify store design & development Custom Shopify themes from Figma/PSD/AI Payment gateway integration App installation & configuration 3rd-party app/API integrations (Dropshipping, POD, etc.) SEO & speed optimization (Shopify & WordPress) WordPress site design & development Bug fixing & troubleshooting ⚙️ Linux Server, Control Panels & DevOps Linux setup & optimization (Ubuntu, CentOS, Debian) Plesk, cPanel, VirtualMin/Webmin configuration & management SSL (Let’s Encrypt & commercial) Firewall & security hardening (UFW, Fail2ban, SSH) Apache/Nginx configuration & performance tuning MySQL management & backup strategies Cron jobs & automation Cloudflare & DNS management Zero-downtime server migrations & transfers Monitoring & emergency recovery 🧩 Version Control & Collaboration (Git & GitHub) Git workflow (feature branches, PRs, code reviews) GitHub project management (issues, milestones, wikis) Release management & changelogs Team-friendly documentation and handover 🌟 Why Work With Me? I provide one partner for the full stack—from building a high-converting store to securing, deploying, and maintaining the servers behind it. Whether you’re launching, scaling, or migrating, I’ll keep your business fast, secure, and reliable. 👉 Let’s build something your customers—and your servers—will love. less
Hire expertshopify
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I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense...I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense Advanced | FreeBSD Advanced | Mikrotik MTCNA MTCWE | Palo Alto Expert | | Docker | Docker Compose | Nomad | Kubernetes | Ansible Expert | Terraform | Scripting Automation | WebServer Nginx and Apache Expert | | MySQL Tune High Performance | Indexing | Tune Up | | Github Action | Gitlab Pipelines Expert less
Hire dwinurhadi
