Greetings! My name is Adrian McIntosh, and I am a seasoned Network Manager/Administrator with a deep interest in guaranteeing smooth network operations and strong cybersecurity. I possess over 15 years of experience, during which time I have effectively managed and enhanced networks, minimized security risks, and offered exceptional IT assistance to various organizations. Core Competencies - Network Management: - All Windows Server (2008 - 2022) - All Windows Desktop OS - Cisco Routers and Switching - Meraki Management - Network Troubleshooting - NAS/SAN (Synology, QNAP) Cybersecurity: - Network Security - Pentesting (Tenable, Nmap) - Anti-Virus Solutions (Carbon Black, Symantec) - PCI Compliance Cloud & Virtualization: - Azure/AWS Cloud Services - Virtualization (VMware, Hyper-V, Proxmox) - Google Workspace Communication & Collaboration: - Exchange Management - Microsoft 365 Additional Proficiencies: - Helpdesk/Ticketing Systems (Zendesk) - Documentation Tools (Hudu) - Remote Monitoring and Management (NinjaRMM, Intune) Services Offered: I specialize in: - Comprehensive Network Management - Advanced Cybersecurity Solutions - Cloud Services Integration (Azure/AWS) - Virtualization Implementation and Management - IT Support and Helpdesk Services I appreciate your review of my profile. I can confidently assist you with your network management and cybersecurity needs. My mission is to ensure that your organization runs smoothly and is well-protected. Let's work together to achieve these goals.

23+ years in Linux/Windows administration, DevOps, and cloud infrastructure. I build, secure, and scale production systems 24/7 — for MSP clients and direct engagements across industries. If your server is down, your deployment is failing, or you need infrastructure built right the first time — I'm the engineer you call. ━━ SERVER & SYSTEMS ━━ Linux (CentOS, Debian, Ubuntu, Amazon Linux, Rocky Linux) and Windows Server (2012–2025). Active Directory, Group Policy, Intune, hybrid identity. Nginx, Apache, Sendmail, Qmail, Postfix, Exim — MTA setup, Dovecot, SpamAssassin, OpenDKIM, SPF/DKIM/DMARC. Veeam, Acronis, cloud-native DR. Hypervisors: KVM, VMware ESXi, Hyper-V, Proxmox VE — HA clusters, live migration, Ceph/ZFS, Proxmox Backup Server. Redis, Varnish. QNAP NAS — storage management, Plex Media Server deployment, VPN tunnel integration. WHM/cPanel, Plesk, Virtualmin, CloudPanel, CyberPanel. ━━ CLOUD INFRASTRUCTURE ━━ AWS: EC2, ECS, EKS, RDS, S3, Route 53, IAM, VPC, CloudWatch, Lambda, API Gateway, Elastic Disaster Recovery. GCP: Cloud Run, Cloud Build, Firestore, GKE, IAM, VPC, Pub/Sub, Cloud Storage, Secret Manager, Cloud Monitoring. Cloudflare (WAF, Workers, Zero Trust, CDN). DigitalOcean, Hetzner, Vultr. MinIO: S3-compatible object storage on bare metal, VMs, Kubernetes — distributed mode, SSE-S3/KMS, lifecycle policies, drop-in S3 for backups and MLOps. Railway: Full-stack PaaS — GitHub/Docker auto-build, managed DBs (PostgreSQL, MySQL, Redis), private networking, env variables, cron workers, auto-scaling. ━━ SECRETS MANAGEMENT ━━ HashiCorp Vault: Dynamic secrets for AWS IAM, databases, cloud providers — TTL-bound credentials, auto-revoke. PKI for internal CA and on-demand TLS. Vault Secrets Operator for Kubernetes (etcd-free pod injection). Raft HA, RBAC, audit logging, Shamir unseal. Transit engine for encryption-as-a-service. CI/CD integration to eliminate hardcoded credentials. ━━ DEVOPS & CI/CD ━━ Docker, Kubernetes (EKS + self-managed: kubeadm, k3s, RKE2), Helm, Kamal. GitHub Actions, GitLab CI, Bitbucket Pipelines. Terraform, Ansible. ArgoCD, Flux (GitOps). Prometheus, Grafana, Datadog. Traefik: Cloud-native ingress — auto TLS, Docker/K8s service discovery, ForwardAuth, rate limiting, canary routing. Caddy: Zero-config-TLS reverse proxy — automatic HTTPS, on-demand certs. Preferred for self-hosted stacks. ━━ NETWORKING & SECURITY ━━ WireGuard, OpenVPN (MFA/ZTNA), IPSec/Libreswan, Xray/REALITY. Tailscale/Headscale — self-hosted mesh VPN, VPS tunnel setup, ACL policies, subnet routing. MikroTik, Juniper, SonicWall, Fortinet (FortiGate, FortiManager, FortiAnalyzer). pfSense, OPNsense. BGP, OSPF. Auth0, OAuth2, OIDC, Duo Security. LDAP/RADIUS, 802.1x, NPS/AD CS/Intune. ━━ DEVELOPMENT & AUTOMATION ━━ Python: FastAPI, Flask, Django, RESTful APIs, OpenAI API, ETL pipelines (Airbyte), orchestration (Airflow, n8n), data processing (pandas), Retool internal tools. Clean, documented, production-ready code. ━━ CONTAINERIZATION & DEPLOYMENT ━━ Docker Compose, Kubernetes manifests, Helm. Portainer, Coolify, Elestio, Traefik, Caddy. MinIO (K8s Operator/Tenant). Nextcloud, n8n, self-hosted app deployment. Vercel, Railway, Netlify, Replit. ━━ MSP & VOIP ━━ Duo Security, SpamTitan, ScreenConnect, ESET, Acronis. M365 multi-tenant administration. Asterisk and Vicidial (AWS + on-prem) — SIP trunks, IVR, call center setup, NetSIP integration. ━━ LEGACY & EARLY CAREER ━━ Foundational background in Windows desktop application development (VB, C#, Access) and web development (Core PHP, Laravel). ━━ WHAT CLIENTS HIRE ME FOR ━━ ► Emergency triage: servers down, services failing, breaches in progress ► Greenfield AWS/cloud environments built to security and compliance best practices ► CI/CD pipelines rebuilt to work reliably — no more failed deployments at 2am ► Self-hosted stacks that cut cloud bills without cutting uptime ► Kubernetes from scratch: EKS, k3s, RKE2 — setup, Helm, GitOps, day-2 operations ► HashiCorp Vault rollouts — eliminate hardcoded credentials across all pipelines ► Proxmox VE clusters: HA, live migration, Ceph storage, Proxmox Backup Server ► Network redesigns: Zero Trust, WireGuard mesh, BGP multi-homed, FortiGate, pfSense ► Ongoing managed infrastructure support and 24/7 incident response ► GCP solution design & delivery — Cloud Run, microservices, IAM, developer onboarding/offboarding ► Infrastructure, Security & Application Audits — server, network, database, cloud, and web stack ━━ INDUSTRIES SERVED ━━ SaaS · Fintech · Healthcare · E-commerce · Legal · Real Estate · Media · Education · Government · Telecoms · Startups · Enterprise. Single-server MVPs to multi-region, multi-account production environments. ━━ COMMUNICATION & PROCESS ━━ I don't disappear after the kickoff call. Clear updates at every stage, thorough documentation, and a proper handover on every engagement. Timezone-flexible. Slack, Teams, WhatsApp, Zoom, or Webex. If the work matters, it gets done right.

★ 10 years of experience in overseeing the operations of Server, Network and Cloud environment. Done more than 100 projects in System, Network and Cloud environment. Working for new projects and also providing support to existing IT Infrastructure for 24*7 Support (Have world winning IT Customer Support Team). ★ Highly experienced in designing and deploying Office 365, Microsoft 365, Exchange, Intune, Autopilot, SharePoint, Team, OneDrive, Microsoft Azure, Azure Active Directory, Azure Active directory Domain Services, Azure File Service, network, storage, security, compliance, automation, administration, documentation, hybrid configuration, migration, rollout and delivering technical activities. ★ Expert in Design and Implement AWS Cloud Solutions, Implement Security Best Practices, Infrastructure Deployment, Monitoring and Optimization, Support Development and DevOps Teams, On Prem and AWS solutions, Cost Management, Collaboration and Communication and Documentation. Expert in Compute: EC2, Lambda, ECS, Storage: S3, EBS, EFS, Networking: VPC, Route 53, ELB, Databases: RDS, DynamoDB, Security: IAM, KMS, Shield, WAF, Monitoring: CloudWatch, CloudTrail and most used aws services. ★ Expert in Oracle Cloud Architecture Design, Security and Compliance, Cost Management, Automation and DevOps Integration, Design for high availability, disaster recovery, and failover, Stakeholder Collaboration, On Prem and OCI Distributed Solutions, Documentation, Training, Testing and Validation. ★ Expert in On-Prem Data Center's Server and Network Management. Expert in Application Integration, Security and Storage Management in On-Prem Environment. Expert in on-prem Microsoft Exchange Server, Active Directory Domain controller, VMWare, vSphere, VMWare SAN, VMWare Storage, HyperV, ESXI, Oracle Linux, Widows Servers, Windows OS Patching, Security and Compliance, Disaster Recovery Management and most used Data center service related tasks. ★ Expert in Network planning, configuration/implementation and operational tasks. Expert in MSP's Network, Data Center Network, ISP Network, NTTN Network, Transmission Network and Telecommunication's Network. Expert in Cisco, Huawei, Juniper and Mikrotik router and switch configuration & troubleshooting. Expert in Multiple Router and Switch troubleshooting and configuration, MPLS network troubleshooting and configuration, BGP troubleshooting and configuration, OSPF, EIGRP,RIP,IS-IS troubleshooting and configuration. ★ strong hands-on experience in Cisco Meraki Appliances like firewalls, switches, Access Points, MG Cellular gateways, cameras, IOT devices. Ubiquiti controller, NAS devices, SentinelOne, Dlink, TP-Link routers Microsoft Defender and Veeam backup.

Bachelor of Engineering in Electronics and Telecommunication with 20 years of experience across Firewalls, Networking, VoIP, Wireless, Datacenter, Servers, and related technologies. Security: Cisco ISE, Cisco Firepower, Cisco ASA 5500, Cisco Meraki, Palo Alto, Check Point, Sophos, FortiGate, Dell SonicWall, Juniper, PFSense, Rapid7, WatchGuard, Barracuda SIEM: SolarWinds, Wazuh, Splunk Networking: Cisco, HP,/Aruba, Brocade, Juniper, Zylex, MikroTik, GPON/EPON, Ubiquiti, Microtik VoIP: Cisco, Avaya, Asterisk, FreePBX, 3CX, Microsoft Teams, Grandstream, Fusion PBX Wireless: Cisco, Ubiquiti, Mojo (AirTight), Aruba Video Collaboration: Cisco TelePresence MX200/300/SX20, TelePresence Server, TelePresence Conductor, Avaya Scopia XT Data Center: VMware vSphere 7.x, Cisco UCS, Microsoft Hyper-V, Citrix XenServer, Oracle VirtualBox Applications: Microsoft SCCM, MS SQL Server, WSUS, RADIUS Server, Squid Proxy Server, KeePass, WordPress, Intune Cloud Platforms: Office 365, AWS, Google Cloud Platform, Microsoft Azure Storage: NetApp, Western Digital, Synology Routing Protocols: OSPF, EIGRP, BGP, RIP Network Tools: Wireshark, SolarWinds, NetFlow, PRTG, Cacti, Scrutinizer, LogZilla, Wazuh Operating Systems: Windows Server 2012/2016/2019, CentOS, Ubuntu

Hi, I’m Qaisar a senior System & Cloud Engineer + Full-Stack Developer with 10+ years of hands-on experience helping businesses build, migrate, automate, and scale their technology with confidence. I work with startups and growing companies that want reliable systems, secure infrastructure, and software that actually works in production not fragile setups or demo-only solutions. 🔹 What I Do Best Cloud, IT & Systems Administration Google Workspace setup, administration & complex migrations (Workspace ↔ Workspace, cPanel/IMAP → Workspace, Google → Microsoft 365) Microsoft 365, Azure, Windows Server & Active Directory Email deliverability & security: SPF, DKIM, DMARC, MX, DNS VMware virtualization, server optimization & infrastructure planning Backup & disaster recovery with Veeam Firewalls & networking: pfSense, MikroTik, VPNs, VLANs, load balancing 👉 Result: Secure, downtime-free environments with clean migrations and zero data loss Full-Stack Development & AI Automation Build production-ready SaaS apps, dashboards & internal tools Automate manual workflows using AI & event-driven automation Integrate AI into real business systems (not experiments) Tech Stack Frontend & Backend: React, Node.js, TypeScript, Express AI & Automation: OpenAI API, LangChain, RAG pipelines, n8n, Agentic AI Databases: PostgreSQL, MySQL, MongoDB, Redis, Pinecone DevOps: Docker, CI/CD, cloud deployment & server management Integrations: REST/GraphQL APIs, Webhooks, CRMs, ERPs, Slack, MS Teams 👉 Result: Systems that save time, reduce tools, and scale cleanly ✅ What Clients Like About Working With Me Clear communication & honest timelines Strong planning before execution Deep technical knowledge across IT + software + cloud Long-term mindset systems built to grow, not break “Get it done” attitude with real ownership 🏢 About My Team I run Sysconnects, a small, focused team delivering cloud engineering, full-stack development, and AI-driven automation. When needed, I can scale quickly with experienced resources without sacrificing quality. If you need one person who understands infrastructure and software, I’m here to help.

I am a highly skilled and experienced Network Engineer with more than 10 years of experience in the industry. Although my experience cover several fields such as linux administration, VOIP, Webservers, Microsoft AD services, AWS. My specialization focus in Wired/Wireless Network architecture and security. I hold several prestige certificatons that prove my knowledge from different vendors including Meraki, Ubiquiti, Aruba, Ekahau, etc. I hold the presitgious CISCO CCIE certification focus in Wireless #60096 along with CCNA, and CCNP certifications. I have a proven track record in designing, implementing, and securing scalable wired and wireless networks. My expertise includes analyzing network requirements, designing topologies, developing project plans, and implementing solutions that meet business objectives.

Do you need a reliable System Administrator to keep your servers secure, optimized, and running 24/7? I specialize in system administration, server management, and cloud infrastructure, helping businesses maintain stability, scalability, and security across hybrid environments. ⚙️ What I Do I provide end-to-end system administration and technical support for both Windows and Linux ecosystems — ensuring high performance, strong security, and minimal downtime. Core Services: 🧩 Windows & Linux Server Management (Ubuntu, CentOS, Red Hat) 🔒 Active Directory, Group Policy, and User Management ☁️ Microsoft 365 & Azure Administration (VMs, Azure AD, IAM, MFA) 🧠 Network Administration & Security (VPNs, Firewalls, Load Balancing) 💾 Backup & Disaster Recovery (Veeam, Acronis, Windows Backup) ⚙️ Server Virtualization (VMware, Hyper-V, Proxmox) 🔧 Automation & Scripting (PowerShell, Bash) 🛠️ Remote IT Support & Troubleshooting (TeamViewer, RDP, AnyDesk) 🌐 Tools & Technologies Operating Systems: Windows Server, Ubuntu, CentOS, Red Hat Platforms: Azure, Microsoft 365, VMware, Hyper-V, Proxmox Networking: Cisco ASA, Fortinet, pfSense, Nginx, HAProxy Monitoring: Nagios, PRTG, SolarWinds Backup: Veeam, Acronis, Windows Backup ⚡ Why Clients Choose Me ✅ 20+ successful system administration projects with 5-star results ✅ Proactive monitoring to prevent issues before they occur ✅ Fast response times and detailed documentation ✅ Experienced in both on-premises and cloud environments ✅ Dedicated to delivering secure, efficient, and reliable IT solutions Let’s optimize your systems for performance, security, and uptime. 💬 Contact me to discuss your infrastructure and how I can help streamline it.

A satisfied client is the goal of my work. I'm seasoned engineer with 20+ years of experience configuring, monitoring, upgrading, and sustaining system hardware, software, and supporting infrastructure. Strong analytical mindset with cross-disciplinary troubleshooting skills for complex, system-level issues. Highly motivated, dependable, and accountable for delivering results. Business before pleasure!

100% Job Success Rate Top Rated Designing and Managing Enterprise grade Infra. 10+ years of extensive experience in Cloud Environment, Corporate Network, FinTech, MSP, Retail, Hedge Fund and ISPs. I have expertise in below major environment and technologies: Cloud Expertise: Amazon Web Services (EC2, S3, VPC, IAM, Security-Groups, DirectConnect, Transit Gateway, WAF, VPN Gateway, Private Gateway etc) Google Cloud Platform (IAM, Compute Engine, Firewall, Partner Interconnect, VPN, VPC etc) Azure Cloud (vNET, Network Gateways, Resource Group, Firewall, VMs, Express Route, VPNs, Routing) Security: Cisco FMC, FTDs & ASA Cisco Meraki, Palo Alto Network Firewalls and Panorama, Fortinet, Juniper, OPNsense, pfSense, Huawei, FortiManager, Fortigate Firewalls, F5 BigIP LTM WAF, IPSec & Remote Access VPNs, Cisco Secure Connect, Umbrella, NGIPS, Threat Prevention, URL Filtering, Cisco ISE, Cisco DUO, TACACS & Radius Authentication, SIEM, Cortex XDR, Wazuh. Routing: OSPF, BGP, MPLS, Integrated IS-IS, Policy Base Routing using Route Maps, TCP/IP, Layer 3 Redundancy (HSRP, VRRP), IP Spoofing, Virtualization (VRF), IP SLA, NAT/PAT, GRE Tunnels. Switching: Nexus VPC, Cisco Stack, Catalyst VSS, VXLAN, Spanning Tree Protocol, EtherChannels (LACP, PAGP), Access-Maps. DevOps: Terraform, Ansible, Python, Git, BitBucket, Docker, Jenkins, Linux, Netbox, Jira, ServiceNow, Wireshark Monitoring: Cacti, Nagion, PRTG, MRTG, LogicMonitor, SolarWinds, Xymon, Graphana, ThousandEyes, Dynatrace. Furthermore, I have also worked extensively on Meraki SD-WAN and in wireless I have hands-on on Meraki, Huawei and ARUBA wireless solutions. PCNSE, PCNSA AWS SAA-C03 RHCSA

System administrator for various Linux distributions, database and network administrator. Managing complex deployments for python, php, java and nodejs. Security technology specialist with over 15 years of experience in wide areas of network engineering and management, cyber and systems security, software and web development, cloud computing. Dedicated to improving critical thinking and providing best solutions and results. Able to adapt to changing priorities and maintain a positive attitude and strong work ethics. * Worked on various vpn implementation project for financing and banking industry (payment gateways, SIP implementation, etc.), gateway and remote access for both Unix and Windows servers * Experience with various vpn platforms (pfsense/opnsense, vyatta, vyos, openvpn, wireguard, shadowsocks, Unix based vpn, etc.) * PCI compliance specialist, able to deliver quality in short time * Strong troubleshooting network and routing problems skill * ElasticSearch cluster and replication, logstash, kibana and indexing strategies specialist