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Top Rated Plus IT Professional with 15+ years of enterprise experience helping businesses design, troubleshoot, secure, and optimize networks, Microsoft 365 environments, Windows servers, VPNs, and cloud infrastructure. I have worked with leading organizations including Accenture, Hewlett Packard (HP), Cisco, and Australian Managed Service Providers such as BaseHost, MACIT, and Easy Internet Services, supporting businesses ranging from small offices to large enterprise environments. I specialize in helping businesses keep their IT infrastructure secure, reliable, and running efficiently through proactive support and practical solutions. Core Expertise Managed IT Services (MSP) Level 1–3 Help Desk Support Microsoft 365 Administration Active Directory & Entra ID Windows Server Administration Windows 10/11 & macOS Support User Onboarding & Offboarding VPN Configuration & Troubleshooting Printer & Peripheral Support Remote Desktop Support Email Migration & Administration Networking Cisco Routing & Switching Enterprise Wireless (Cisco & Aruba) VLANs, STP, OSPF, BGP VPN & Site-to-Site Connectivity Firewall Configuration DNS, DHCP & TCP/IP Cisco Meraki Network Troubleshooting Network Documentation Cloud & Infrastructure Microsoft 365 Exchange Online SharePoint Teams Intune Azure Fundamentals Google Workspace Virtual Machines Backup & Disaster Recovery Automation Python for Network Automation Ansible Network Monitoring Scripts Configuration Automation Operational Reporting Process Automation Services I Offer ✔ Microsoft 365 Administration ✔ Windows & macOS Support ✔ Active Directory & Entra ID ✔ Network Troubleshooting ✔ VPN Setup & Support ✔ Cisco Networking ✔ Firewall Configuration ✔ Python Network Automation ✔ WordPress Support ✔ Technical Documentation ✔ Remote IT Support

I'm a Certified Ethical Hacker (CEH) and Web Application Penetration Tester specializing in identifying real-world security vulnerabilities before attackers do. My focus is on manual penetration testing of web applications and APIs, helping organizations strengthen their security through practical, developer-friendly remediation guidance. I specialize in: • Web Application Penetration Testing • API Security Testing • Authentication & Authorization Testing • Business Logic Testing • OWASP Top 10 Assessments • Vulnerability Assessment & Validation • Security Retesting After Remediation My assessments go beyond automated scanners. I manually evaluate authentication flows, access control, session management, input validation, business logic, and other areas where real attackers commonly find exploitable weaknesses. Every engagement includes a professional security report with: • Executive Summary • Risk Ratings (CVSS-based where appropriate) • Technical Details • Proof of Concept where applicable • Practical Remediation Guidance • Retesting Support My toolkit includes Burp Suite Professional, OWASP ZAP, Nmap, FFUF, SQLMap, Gobuster, Wireshark, Metasploit, and other industry-standard security tools, selecting the right tools based on the assessment rather than relying on automated scans alone. I also have experience as a security researcher, responsibly identifying and reporting vulnerabilities through bug bounty programs. This experience has strengthened my ability to think like an attacker and identify issues that are often overlooked during routine security reviews. Whether you're preparing for production, securing a SaaS platform, testing APIs, or validating security before launch, my goal is to provide actionable findings that help your team reduce risk and build more secure applications. Let's discuss how I can help improve the security of your application.

Certified Ethical Hacker (CEH) | Manual Penetration Testing | Web & Network Security | Malware Analysis | Threat Monitoring Hello! I'm Sheraz, a Certified Ethical Hacker with 2+ years of hands-on experience helping businesses identify and fix real, exploitable vulnerabilities before attackers do. Unlike automated tools, I specialize in manual penetration testing that uncovers complex business logic flaws and chained vulnerabilities. My approach simulates genuine attacker behavior to provide you with actionable, risk-rated findings. My services include: • Network & Web Application Penetration Testing (Nmap, Nessus, Metasploit, Burp Suite) • OWASP Top 10 Security Assessments (SQLi, XSS, IDOR, Broken Authentication) • Malware Analysis (Static & Dynamic with Ghidra, PEStudio, Any.run) • SIEM & Threat Monitoring (Wazuh setup, Suricata rule writing, alert triage) • AI-Assisted Offensive Security (HexStrike AI + Claude orchestration) • Comprehensive Vulnerability Reports with Executive Summaries Why choose me? • Clear, prioritized remediation steps for technical and non-technical teams • CVSS-based risk severity ratings • Proven skills maintained through a personal SOC and pentesting lab simulating real-world attacks Send me a message and let's discuss how I can help secure your systems efficiently and thoroughly.

✅ Cisco Certified Professional ✅ 5 Star Ratings & Reviews ✅ Top Rated by UpWork Expert Network and Security Engineer with 10+ Years of hands-on Experience on Diverse set of Technologies including Routing & Switching, Security, Data Center and Wireless Infrastructure. PROFESSIONAL CERTIFICATIONS: Several globally recognized certifications including: ▪ Cisco Certified Internetwork Expert – Security Core ▪ Cisco Certified Network Associate – Routing & Switching ▪ Juniper Networks Certified Internetwork Associate – Junos ▪ Juniper Networks Certified Internetwork Associate – Cloud ▪ Huawei Certified Network Associate – Routing & Switching ▪ Huawei Certified Network Professional – Routing & Switching ▪ Palo Alto Networks Accredited Configuration Engineer ▪ Fortinet Network Security Expert 1 ▪ Fortinet Network Security Expert 2 ▪ Microsoft Certified Azure Fundamentals ▪ Microsoft Certified Azure Administrator ▪ Microsoft Certified Trainer ▪ Paessler Certified Monitoring Expert SKILLS: ▪ Routers | Cisco ISR 4000/ ASR 1000 Series, HPE MSR 4000, Mikrotik RouterBoard ▪ Switches | Cisco Catalyst 9000/ Nexus 3K, 9K Series, Aruba 6300/ 6400, Huawei S6720 ▪ Firewalls | Cisco FTD 1000/ 2100, FortiGate 400E/ 600E/ 1000D, Palo Alto 800/ 3200, Juniper SRX, Sophos XGS Series ▪ Security | Cisco ISE, AMP, WSA, SecureX ▪ Servers | Dell PowerEdge, HP ProLiant, Cisco UCS Series ▪ Wireless | Cisco WLC, Ubiquiti UniFi, Aruba Mobility Controller ▪ NMS | SolarWinds, OpManager, PRTG, Nagios, Zabbix ▪ CyberSecurity | BeyondTrust PAM, OneLogin IAM, KnowBe4 KMSAT, InDefend DLP, SealPath IRM, Titus Data Classification PROJECT PORTFOLIO: Have played Key role in Design, Configuration and Deployment of following projects: ▪ Mindbridge - Network & DC Deployment Project for 4000 Agents (Cisco ISE, FTD 2110, ASR 1001-X, HyperFlex Edge 220 M5-SX, C9500, C9200, SG350, WLC 3504, AIR AP1852, Cisco AMP4E) ▪ PSCA - VxRail HCI Deployment Project (Dell EMC VxRail P570 Hybrid Cluster of 12 Nodes with VMware 6.7 and vSAN) ▪ Umniah Mobile Company, Jordan - MPLS Network Orchestration (Cisco NSO 4.7, UCS C240, RHEL 7.6, Yang, XML, Python) ▪ Agriculture Department - Primary and DR DC Design Project (A10 SLB, Huawei USG 6620 Firewall, S6720 Switches) ▪ BATA - Application Virtualization Solution (Cisco WSA, VMware ESXi 6.5, vCenter 6.5, Dell PowerEdge R740 Servers) ▪ Wateen Telecom - Network Redundancy Solution using Ether-Ring (Cisco ISE, EAPS, O-Ring DES 3042P, BDCOM S2210) ▪ PACKAGES GROUP - DC Design Project (Cisco ASA 5516-X HA, SANGOMA VoIP CM, Cisco Nexus 9K Switches) ▪ MCDONALDS - FreeWiFi Project (Cisco WLC Controller & WLAN APs, BDCOM S2210 Switches) ▪ NESTLE - WiFi Network Design and Deployment Project (Cisco 2960X Switches, Cisco Aironet APs, Linksys APs) ▪ APNA BANK - L3MPLS Aggregation Design Project (Huawei AR1220 Router, Fortigate 200E Firewall, Huawei NIP 6330) ▪ TRG - DMPLS TE Design Project (PALO ALTO PA 850 Firewall, QoS, BW Optimization) ▪ SIEMENS - L3MPLS & Internet Integration Project (Cisco ISR 4331, Cisco ASA 5512X, CISCO 2960X Switches) ▪ BANK OF PUNJAB - DC Migration Project (Cisco FTD 2130, SSL VPN, AnyConnect VPN, Mikrotik RB2011, EoIP VPN) ▪ SERVICE SALES - DR DC Design Project (Juniper SSG 140 Firewall, Mikrotik RB2011, Cisco 3850 Switches) ▪ HABIB BANK LIMITED - L3MPLS Hub & Spoke DVTI VPN Project (Juniper SRX 210 & SRX 300, Cisco 3945 WORK EXPERIENCE: ▪ Work with clients to gather requirements, provide guidance and deliver Network Configuration and Troubleshooting support by utilizing deep understanding of Network Design, Network Security, Routing and Switching Protocols, Network Automation, Virtualization and Cloud Services ▪ Good Operational Experience to Analyze, Isolate and Resolve Issues with Multi-Vendor Equipment including Cisco, Juniper, Huawei, Fortinet, Palo Alto, Mikrotik etc. Routers, Switches, Firewalls & Load Balancers. ▪ Design, Configuration & Troubleshooting Assistance with protocols like OSPF, BGP, STP/RSTP, PBR, MPLS VPNs, GRE and IPSec VPNs, Client VPNs, SSL VPNs, NG Firewalls, NMS & Wireshark etc. ▪ Helping Client by Offering Proof of Concept Labs to Ensure the Proposed Solutions Qualify the Desired Outcomes ▪ Maintain Complete Documentation for Delivered Services like HLD, LLD & ATP ▪ Design and Deploy dynamically scalable, highly available, fault-tolerant and reliable Data Center Network Infrastructure ▪ Expertise in multiple flavors of Linux like RHEL, CentOS, Ubuntu etc. used in Projects including Cisco NSO & OpenStack ▪ Worked on Automation and Data Modelling Tools like Cisco NSO and Yang for Automating MPLS L2, L3 VPN Services ▪ Using Scripting Tools like Python and Bash for Central Configuration Management of Network Devices ▪ Automation of Segment Routing Tunnels using Ansible and Yaml in testbed environment. ▪ Presales of Application Centric Solutions including SDN, SD-WAN, HCI, Endpoint Security & App Monitoring Tools ▪ Network Solution BOQ Verification and Documentation of ongoing Projects.

👑 Expert Vetted - Top 1% of talent on Upwork ⭐️ Top Rated Plus - Highly rated for work on large projects 🎯 100% Job Success Score 🕒 3000+ hours on Upwork ✅ 14+ years of experience ✅ 50+ projects delivered ✅ Excelling in delivering Fortune 500-scale projects Over 13 years of extensive experience in Cloud Environment, Corporate Network, FinTechs and ISPs. In Summary, my credentials include, Cloud Expertise Amazon Web Services (EC2, S3, VPC, IAM, Security-Groups, DirectConnect, Transit Gateway, WAF etc) Oracle Cloud Infrastructure (VCN, Subnets, Route Tables, Compute, IAM etc) Google Cloud Platform (IAM, Compute Engine, Firewall, Partner Interconnect, VPN, VPC etc) Security: Cisco FMC, FTDs & ASA, Palo Alto Network Firewalls and Panorama, Fortinet, FortiManager, Fortigate Firewalls, F5 BigIP LTM WAF, IPSec & Remote Access VPNs, NGIPS, Threat Prevention, URL Filtering, Cisco ISE, Cisco DUO, TACACS & Radius Authentication, SIEM, Cortex XDR, Wazuh, Rapid7, Security Onion Routing: OSPF, BGP, MPLS, Policy Base Routing using Route Maps, TCP/IP, Layer 3 Redundancy (HSRP), 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, Wireshark PCNSE, PCNSA CCNA 200-120 CCNA Security 640-554 CCNP R & S

DevOps and Linux engineer with 4+ years running production infrastructure for businesses that cannot afford downtime. 100+ projects delivered on Upwork at a 96% success rate, currently managing systems that handle millions of requests a day. Most clients reach out for one of three reasons. Something broke and they need it fixed fast. They are scaling and their setup will not hold. Or they want someone to review their cloud and tell them honestly what is wrong. I handle all three, find the root cause, fix it properly, and document everything so your team can maintain it. ☁️ 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 AWS, Azure, GCP, Oracle Cloud, DigitalOcean, Hetzner. Kubernetes (EKS, GKE, AKS, K3s), Docker, Terraform, Ansible. CI/CD pipelines with GitHub Actions, GitLab CI, Jenkins, and ArgoCD. GitOps, zero-downtime deployments, autoscaling, cloud migration, and cost optimization. 🐧 𝗟𝗶𝗻𝘂𝘅 & 𝗦𝗲𝗿𝘃𝗲𝗿 𝗔𝗱𝗺𝗶𝗻𝗶𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 Ubuntu, Debian, RHEL, Rocky, AlmaLinux. Nginx, Apache, LiteSpeed, HAProxy. Server setup and hardening, SSL, performance tuning, cPanel, WHM, Plesk, WordPress hosting, backups, and disaster recovery. 🌐 𝗡𝗲𝘁𝘄𝗼𝗿𝗸, 𝗗𝗡𝗦 & 𝗘𝗺𝗮𝗶𝗹 WireGuard, OpenVPN, NAT and floating IP routing, firewalls, and DNS architecture. Email deliverability (SPF, DKIM, DMARC, BIMI), mail servers (MailCow, Postfix, iRedMail, Amazon SES), and VoIP (Asterisk, FreePBX, SIP). 🛡️ 𝗖𝗹𝗼𝘂𝗱𝗳𝗹𝗮𝗿𝗲 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 Cloudflare WAF, DDoS and bot mitigation, Zero Trust, Tunnels, and load balancing. DevSecOps, Vault secrets management, fail2ban, and full security audits. 📊 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 & 𝗥𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆 Prometheus, Grafana, Datadog, Dynatrace, Splunk, CloudWatch, and ELK. Logging, alerting, and observability that catches problems before your users do. Python and Bash automation throughout. ✅ 𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗸𝗲𝗲𝗽 𝗵𝗶𝗿𝗶𝗻𝗴 𝗺𝗲 I communicate clearly and give honest timelines. I own the problem instead of handing it back. I leave you with clean documentation. And I am there when production breaks, including outside business hours. If your infrastructure is unstable, your costs are climbing, or you just need a reliable engineer who takes responsibility for the outcome, send me a message. Happy to review your setup and tell you honestly what I would do. Ali