My name is Djordje(George) Colic. I live in Serbia. I am windows and linux server system administrator. I have MCSA certificate. For 8 years I was working as system administrator for Mcs systems from San Diego and Miami Lakes IT . This is remote job. I heave experience in using ConnectWise and Ninja RMM as remote management tools. I am logging in to remote networks via ConnectWise or VPN- L2TP/IPsec or OpenVPN and then I use RDP to login to server or any workstation. I am giving support to customers via phone, ConnectWise , RDP or TeamViewer. This support includes their servers, workstations, printers , support with their dedicated applications , office 365. I am giving suport to VOIP customers. They have AT&T Synpase or SkyTalk phone system. Synapse Gateways are PSTN 67010 or SIP 67070. Routers: I was working with SonicWall , Peplink , Mikrotik routers . I am in charge for the maintenance of customer’s and office servers and workstations . For automation tasks I am using batch and powershell scripts. Server OS: Windows Server 2016 or 2012. Workstations: windows 10 or 7. Linux server OS: Red Hat . I am logging in to linux servers via SSH to do every day management tasks. Virtualization: VMWare , HyperV. Cloud: I have experience working in AWS . Every network is Domain network with Domain Controller. For file server we are using Synology NAS where important documents are kept on network share. I am also using NAS as VPN server to access remote network. I have knowledge of Java programming and power shell. As DevOPS engineer , I was working for Avi . Our client had Ping Directory , Ping Proxy servers . There were different environments. Server OS: Red Hat Enterprise Linux Server release 7.9 . I was logging into client network via SSH. I have experience in managing linux servers.

Linux server security, firewall configuration, and DevSecOps automation for startups and small teams. Specialties: Docker deployments, server hardening, pfSense firewall setup, CI/CD pipeline security, VPN configuration, OCI cloud, self-hosted AI agent deployment, Python automation. What I've done: - Reduced manual security log review by 40% via automated Python pipeline - Deployed zero-trust SOC architecture with Zeek, ELK, and pfSense - Hardened Linux servers, NGINX reverse proxies, and TLS configs for production environments - Set up SPF/DKIM/DMARC email infrastructure for e-commerce clients Available now. Response time under 4 hours.

🎯 AWS Architect specialising in production migrations, EKS, and compliance builds. $500K+ delivered across 129 AWS engagements at 100% Job Success. Top Rated Plus on Upwork. IT-Magic is an AWS Advanced Consulting Partner. ☁️ 𝐑𝐞𝐜𝐞𝐧𝐭 𝐟𝐥𝐚𝐠𝐬𝐡𝐢𝐩 𝐰𝐨𝐫𝐤: 🔸 Nova Poshta Global and Intertop, rebuilt on AWS for Black Friday-class load 🔸 PCI DSS Level 1 led end-to-end at Centrobill 🔸 HIPAA AWS configured in Drata for a US healthcare operator 🔸 Ubisoft AWS infrastructure optimised for 50M+ daily gamers 🔸 QliqSOFT migrated to EKS and passed HIPAA audit, operational costs cut Most AWS work gets split across three or four freelancers who don't talk to each other - one runs infra, one writes Terraform, one handles compliance, one chases the cost. I handle the full stack directly, so the migration, the IaC, the compliance lift, and the FinOps pass land as one coordinated build instead of four disconnected handoffs. 🔧 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝: - AWS migrations from bare metal, on-premises, or older AWS architectures (also Azure builds on AKS) - EKS, ECS, and Kubernetes clusters with multi-AZ fault tolerance and auto-scaling - Terraform-managed infrastructure (IaC, no hand-clicked configs) - HIPAA and PCI DSS compliance lifts on AWS Security Hub, GuardDuty, and AWS Inspector - AWS cost optimisation - documented 42% bill cut on one engagement, ongoing 40% average on retainers - High-availability ecommerce builds for Black Friday-class traffic (Ubisoft, Invogue, intertop.ua, Yakaboo) - CI/CD pipelines on GitLab CI, Jenkins, and Docker-based deploys - Production monitoring and SRE - CloudWatch, ElastiCache, OpenSearch, system audits 📋 𝐂𝐫𝐞𝐝𝐞𝐧𝐭𝐢𝐚𝐥𝐬: - IT-Magic is an AWS Advanced Consulting Partner - AWS Certified Solutions Architect Professional - AWS Certified DevOps Engineer Professional - AWS Certified Security Specialty - AWS Certified Advanced Networking Specialty - AWS Partner - Generative AI Essentials - Top Rated Plus on Upwork, top 3% globally - 13+ years on Linux and production cloud, based in Warsaw 🎯 𝐖𝐡𝐨 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡: E-commerce, fintech, healthcare, and AI-workload companies that cannot afford a bad migration or a surprise cloud bill. Mid-stage to enterprise. Teams that already have engineering and want a senior AWS partner who can also handle the compliance and FinOps conversations - without a junior strategist in the middle. ⚙️ 𝐇𝐨𝐰 𝐈 𝐑𝐮𝐧 𝐚𝐧 𝐄𝐧𝐠𝐚𝐠𝐞𝐦𝐞𝐧𝐭: 1️⃣ Read - 48-hour technical audit, current setup mapped, risks flagged, written plan back to you 2️⃣ Architect - target architecture and migration order designed before any code ships 3️⃣ Build - migration, IaC, CI/CD, compliance lifts delivered as one workstream 4️⃣ Handover - architecture diagrams, Terraform repo, runbooks, observability dashboards, knowledge transfer session 𝐈𝐟 𝐲𝐨𝐮𝐫 𝐀𝐖𝐒 𝐞𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭 𝐢𝐬: 🛠️ Migration-pending - I have done 129 of these. I will tell you what to move first, what to refactor before the move, and what to leave for later. 🛡️ Compliance-pressured - HIPAA, PCI DSS, SOC 2, ISO 27001 audits passed under my watch. 💰 Quietly overspending - averaging 40% bill cut on retainer accounts, with the change-log to prove it. 🤖 AI-workload-heavy - I have built GPU-cluster and Bedrock/SageMaker setups for production AI services. 𝐖𝐡𝐚𝐭 𝐌𝐚𝐤𝐞𝐬 𝐌𝐞 𝐃𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭: ✔️ Senior multi-discipline - AWS architecture + IaC + compliance + FinOps as one build ✔️ AWS Advanced Consulting Partner with a dedicated team behind the delivery ✔️ Top Rated Plus, 100% JSS across 50+ contracts ✔️ Consistent delivery methodology - same 4-step process on every engagement ☎️ Send me the details and I will come back in 48 hours with a specific read on what to fix first and in what order.

Experienced IT Professional specializing in the Microsoft ecosystem, with a strong track record in delivering secure, scalable, and efficient solutions. I bring over 10 years of hands-on experience across the Microsoft Stack, including Azure, Entra ID (formerly Azure AD), Exchange Server, and Active Directory. My vision is to provide my clients with enterprise knowledge and experience, give them the guidance for the right answer, and implement the best solution to ensure their day to day operations continue to run smooth. Recent Projects: 1. Create a secure, robust, and highly available Remote Desktop Services (RDS) solution in Azure leveraging Multi-Factor Authentication. 2. Migrate on-premise exchange to office 365 in a staged role out. This method included deploying Azure AD Connect for AD and password synchronization, as well as Exchange Hybrid. 3. Create Powershell script to parse mailboxes for emails matching specific criteria while tagging the email with a flag. This was done leveraging EWS API. 4. Move Sharepoint 2013 farm from using Windows authentication to Active Directory Federated Services (ADFS). This involved building out a redundant and secure ADFS environment in Azure leveraging multiple subnets (DMZ / Private), Web Application Proxies, and Azure Load Balancers.

10+ years of professional experience in the Cloud and ISP industry. Certification: 🥇 Certified Kubernetes Administrator (CKA) 🥇 Red Hat Certified Engineer (RHCE) 🥇 Red Hat Certified System Administrator (RHCSA) 🥇 Red Hat Certified Specialist in Virtualization (RHCVA) Skills and Specialties: # OpenStack, Proxmox, KVM, Docker, Kubernetes, AWS. # Ceph, TrueNAS, ZFS, GlusterFS, iSCSI, NFS. # Email Server, Web Server, DNS Server, cPanel/WHM, NMS, etc. # Asterisk, FreePBX, Vicidial, FusionPBX, Voice Gateway, SS7 Media Gateway.

Below are highlights of my technical skills, feel free to discuss anything in details. AWS EKS Terraform Helm Gitlab Openstack PaloAlto (Certified) Puppet Ansible Prometheus Grafana Alertmanager DPDK Fast DataPlane OVS SRIOV Ubuntu/RHEL Orchestration NFV, LTE

B.S. in Information Technology; MS Azure Solutions Architect Expert, MS Azure Security Engineer, MS Azure Administrator, MS Azure Fundamentals, and CompTIA Security+/Network+/A+ certifications; Experience with Azure compute (VMs, App Services, Load Balancers, etc.), virtual networking, storage/backup/recovery, SQL & Mongo databases, security, ARM/templates, MS365, Azure Active Directory, Intune, and constantly learning more; Experience with JavaScript, HTML, CSS, Python, and C++/C#; Experience with Cybersecurity policies/governance, hardware and software solutions, and training/culture. See my 'Other Experiences' section near the bottom of my profile to read synopsis' of many different projects I've worked on.

I am an IT engineer with over five years of experience in leading multinational companies in Dubai, Qatar, and Morocco, with a wide range of business segments. I have also managed international outsourced projects from the USA, the Netherlands, and Belgium. ✔️ I have a strong background in troubleshooting, system administration, and onboarding and off-boarding, including training sessions. ✔️ I have extensive experience working with Azure platforms, JIRA, Omnitracker, Salesforce, and OpsGenie. ✔️ I am proficient in managing chat, email support, and social media posts and replies in three languages: English, Arabic, and French. ✔️ I am adept at working with multiple CRM and IT software and can adapt to any business field. ✔️ If you require support outside of normal business hours, I can provide it. I am able to work in different time zones and can cover day and night shifts. If interested please DM me to schedule a short call.

I take slow, expensive, breaking AWS setups and turn them into fast, secure, cost-optimized infrastructure that just runs. So your team ships features instead of fighting fires at 2 AM. Expert-Vetted (Top 1% on Upwork) | Top Rated Plus | 100% Job Success | 5x AWS Certified | 16+ years in Cloud and DevOps If your cloud costs too much, breaks too often, or slows your releases down, that is exactly what I fix. WHAT I DO ☁️ Cloud Migrations. Heroku, DigitalOcean, on-prem, or legacy servers moved to AWS (ECS, EKS, Fargate, RDS). Clean cutovers, no surprise downtime. 💰 AWS Cost Optimization and FinOps. I find the waste in your bill and kill it. One recent client went from $400 a month to $50. 🚀 CI/CD and Infrastructure as Code. Automated, repeatable deployments with Terraform, Ansible, Docker, and Kubernetes. No more manual, fingers crossed releases. 🛡️ Reliability and Security. High availability architecture, monitoring, backups, and DR, built security first and SOC 2 / ISO 27001 aligned. You sleep at night and you pass your audits. 🔧 Ongoing CloudOps (Managed Retainer). I do not hand off and disappear. I keep your environment monitored, optimized, and secure every month, so problems get caught before they cost you. WHY CLIENTS KEEP ME AROUND - Most of my best relationships started as one project and turned into long-term partnerships. I treat your infrastructure like it is mission-critical, because it is. One client put it simply: "Jobin is my DevOps guy from now on." - I have led cloud and DevOps teams for 16+ years across the US, Europe, and the GCC, and picked up recognition like Cloudflare's Partner Systems Engineer of the Year along the way. I am not a generalist who also touches AWS. AWS DevOps is what I do, all day. WHO I WORK BEST WITH Startups and SaaS teams who need a senior cloud engineer but are not ready for a full time hire. And established businesses that want their AWS done right, secure, lean, and reliable, without the enterprise consulting price tag. LET'S TALK Tell me what is going on with your AWS. The costs, the outages, the migration you keep putting off. I will tell you exactly how I would fix it. Message me or book a consultation and let's get started.

Expertise in Cloud(Microsoft Azure) infrastructure, PaaS, IaaS, and SaaS as well as Compute(Server), virtual hypervisors(VMWare, HyperV ) and storage arrays(HPE, Pure, and Netapp)