I'm a Senior Infrastructure & Security Engineer with 15 years of experience helping businesses build, secure, and optimize reliable IT infrastructure across Linux, Windows, AWS, Azure, Google Cloud, and hybrid environments.
Whether you're running a single production server or a complex virtualized infrastructure, I help you eliminate downtime, strengthen security, improve performance, and build systems that scale with your business.
Here's how I help businesses:
✅ Build Reliable Infrastructure
Design and deploy secure, highly available environments using VMware, Proxmox, Hyper-V, Kubernetes, Docker, and cloud platforms that keep your applications running.
✅ Reduce Downtime & Improve Performance
Identify bottlenecks across servers, storage, virtualization, databases, and networks before they become costly outages.
✅ Modernize Legacy Systems
Migrate workloads from aging infrastructure to modern cloud or hybrid environments with minimal disruption to your business.
✅ Strengthen Security
Implement practical security controls including firewalls, VPNs, identity management, server hardening, vulnerability remediation, SSL, Zero Trust principles, and security best practices.
✅ Protect Your Business with Backup & Disaster Recovery
Design backup and recovery strategies using Veeam, cloud-native backup solutions, replication, and disaster recovery planning to ensure business continuity.
✅ Automate Infrastructure
Reduce manual work through Infrastructure as Code, CI/CD pipelines, scripting, monitoring, and automated deployments using Terraform, GitHub Actions, Jenkins, Ansible, and Bash.
Areas of Expertise
• Linux Administration (Ubuntu, Debian, RHEL, CentOS)
• Windows Server & Active Directory
• AWS, Microsoft Azure & Google Cloud Platform
• VMware, Proxmox, Hyper-V & Virtualization
• Docker, Kubernetes & Container Platforms
• Terraform, Jenkins, GitHub Actions & DevOps
• Microsoft 365, Exchange Online, Entra ID & Intune
• Apache, NGINX, IIS & Web Infrastructure
• MySQL, PostgreSQL & SQL Server Administration
• Networking, VPNs, Firewalls, DNS & Cloudflare
• Veeam Backup & Disaster Recovery
• Monitoring & Observability (Prometheus, Grafana, Datadog, Zabbix)
I believe good infrastructure should be stable, secure, recoverable, and easy to manage. My goal is not just to fix today's issue but to build solutions that prevent tomorrow's problems.
If you're looking for an engineer who can quickly understand your environment, troubleshoot complex infrastructure challenges, and deliver reliable, long-term solutions, I'd be happy to help.
Information Security
Cloud Security
Security Infrastructure
Solution Architecture
Cloud Architecture
System Administration
Linux System Administration
Amazon Web Services
Google Cloud Platform
Microsoft Azure
Oracle Cloud
Proxmox VE
DevOps
Server Administration
Windows Server
Docker
Disaster Recovery
VMWare
Penetration Testing
Systems Engineering
Waqas R.
Oban, United Kingdom
$60/hr
5.0
13 jobs
Hi, I'm Waqas R., a Full-Stack Software & Mobile Application Engineer with a deep specialization in Cybersecurity, delivering custom web applications, iOS & Android mobile apps, and end-to-end security solutions for startups, SMEs, and enterprises worldwide.
If you need software that is fast, scalable, and secure by design, you're in the right place.
𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐎𝐟𝐟𝐞𝐫:
✔️ Full-Stack Web Development
✔️ Mobile Application Development
✔️ Cybersecurity & Information Security
✔️ Secure Software Architecture
✔️ AI Integration & Automation
✔️ UI/UX Design for Web & Mobile
✔️ API Development & Third-Party Integrations
✔️ Cloud Deployment & DevOps
✔️ Performance Optimization, Bug Fixing & Maintenance: Fast, stable, and production-ready at all times
𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞?
✅ Security-first mindset
✅ Full-Stack & Mobile under one roof
✅ Clear communication & reliable delivery
✅ Available across all major time zones: EST, CST, PST, and UK
📞 Ready to build something powerful, secure, and production-ready? Message me today and let's bring your idea to life.
🔹 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
React.js, Next.js, Vue.js, Angular, TypeScript, JavaScript, HTML5, CSS3, Tailwind CSS, Bootstrap, Redux, Webpack
🔹 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
Node.js, Express.js, Python, Django, FastAPI, Flask, PHP, Laravel, Ruby on Rails, Java, Spring Boot, GraphQL, REST APIs, Microservices, WebSockets
🔹 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
React Native, Flutter, Swift, SwiftUI, Kotlin, Dart, Xcode, Android Studio, Expo, App Store Deployment, Google Play Deployment, Push Notifications, Offline Storage
🔹 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬
PostgreSQL, MySQL, MongoDB, Redis, Firebase, SQLite, Supabase, DynamoDB, Elasticsearch, Prisma, Sequelize
🔹 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬
AWS, Google Cloud Platform, Azure, Docker, Kubernetes, CI/CD, GitHub Actions, Jenkins, Nginx, Linux, Terraform, Ansible, Vercel, DigitalOcean
🔹 𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲
Penetration Testing, Ethical Hacking, Vulnerability Assessment, OWASP Top 10, Network Security, Web Application Security, API Security, Burp Suite, Metasploit, Nmap, Wireshark, Kali Linux, SIEM, SOC, Incident Response, Threat Modeling, Security Audits, Firewall Configuration, Zero Trust Architecture, CVE Analysis, Secure Code Review, SSL/TLS, OAuth 2.0, JWT Security
🔹 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧
OpenAI API, LangChain, LLM Integration, Chatbot Development, Machine Learning, NLP, RAG, Vector Databases, Pinecone, n8n, Zapier, Make (Integromat), Webhook Automation
🔹 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬
RESTful APIs, GraphQL, Stripe, Twilio, SendGrid, Google APIs, Zapier, OAuth, OpenAPI, Postman, Swagger
🔹 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 & 𝐓𝐨𝐨𝐥𝐬
Git, GitHub, GitLab, Bitbucket, Jira, Notion, Figma, Postman, VS Code
Best Regards,
Waqas R.
Node.js
Next.js
React
Firebase
MySQL
Artificial Intelligence
Chatbot
Mobile App
Cybersecurity Monitoring
Penetration Testing
Vulnerability Assessment
Security Testing
Custom App
Software Design
CRM Software
Christopher H.
Swindon, United Kingdom
$24/hr
5.0
2 jobs
I work in a fast paced, fast moving, heavily regulated, scrutinised and audited software engineering and data analysis environment.
In this role, I work with stakeholders at all levels in and outside the business (such as third party and International contractors) to solve problems and ensure the integrity and smooth operations of the scheduling side of the business.
I can provide value at any area of your project as I have worked in software, computers and engineering for upwards of 15 years now.
With my technical and engineering background - There is a chance I can provider that deeper insight you need or assist you in tackling any technical challenges or difficulties you may face in the day to day running of your business.
Outside of work, I enjoy running and writing to an Automotive blog I recently started.
So I am well versed in digital marketing,content creation and social media marketing. I have some experience of running paid advertising campaigns too while doing affiliate promotions.
I have also ran a complete automotive enthusiast website previously, mostly focusing on grass roots track days, events and motorsports around the UK.
Since this is my core passion, I am very much in touch with the current automotive themes and trends in the UK car world - particularly when it comes to modern classics, hot topics and track culture here.
General Transcription
Social Media Advertising
YouTube
Content Creation
Article Writing
Social Media Content
User Acceptance Testing
User Experience Strategy
Writing
AI Content Writing
Social Media Lead Generation
Blog Content
Content Management System
SEO Writing
Instagram Marketing
Digital Marketing
TikTok Marketing
Monsuru L.
London, United Kingdom
$50/hr
5.0
15 jobs
My name is Monsuru Lawal, a results-driven professional with a versatile skill set spanning business analysis, executive support, virtual assistance, and artificial intelligence expertise. With over 10 years of experience,I excel at bridging strategic insights with seamless operations to help businesses thrive.
What I Offer
- Business Analysis:Transform complex data into actionable strategies that boost productivity, profitability, and decision-making.
- Virtual Assistance:Manage administrative tasks, project coordination, and communication with precision and care.
- Executive Assistance:Provide top-tier support to executives, ensuring streamlined schedules, travel, and operational efficiency.
- AI Expertise: Implement cutting-edge AI solutions for process automation, predictive analytics, and innovative problem-solving.
Why Work With Me:
My approach is collaborative, detail-oriented, and results-focused. Whether you need data-driven insights, meticulous administrative support, or AI-powered solutions, I tailor my services to meet your unique needs. I’m committed to delivering exceptional quality, meeting deadlines, and exceeding expectations.
Microsoft Active Directory
Microsoft Azure
Blockchain
Cloud Computing
Cloud Security
Computer Science
Cloud Services
Osama Z.
Middlewich, United Kingdom
$25/hr
4.9
16 jobs
✅ Protect your website, SaaS platform, or IoT system from hackers. I deliver penetration testing + clear reports that keep your business safe and compliant.
I’m a cybersecurity consultant helping businesses, startups, and SaaS platforms secure their websites, web applications, and digital products against today’s evolving threats.
With an MSc in Cybersecurity (UK) and hands-on project experience, I deliver penetration testing + clear business-ready reports that help clients strengthen security without drowning in technical jargon.
🔹 Services I Offer
Website & Web Application Security Testing (WordPress, SaaS, APIs)
Penetration Testing (Web, Cloud, Network, IoT)
IoT & Embedded Device Risk Audits
Secure Architecture Reviews (STRIDE, SaaS, cloud platforms)
Malware / Vulnerability Assessments & Compliance Reports
Detailed Reporting (CVSS scores, PoCs, and step-by-step remediation)
🔹 Recent Work
Audited an e-reader app for token manipulation, DRM bypass, and scraping resistance.
Compared IDS tools (Snort vs Suricata) for high-throughput network monitoring.
Delivered red-team simulations using Kali Linux, Burp Suite, Nessus, and Metasploit.
🔹 Why Clients Hire Me
MSc Cybersecurity (Distinction, UK) + real-world Upwork client results
Tools: Burp Suite, ZAP, Wireshark, Nessus, Snort, Suricata, Ghidra, Splunk
Clear communication for both executives & technical teams
100% satisfaction or money-back guarantee
💬 Let’s discuss your project — I’ll help secure your website, app, or IoT system with expert-led testing and compliance-ready reporting.
Application Security
Firewall
Digital Forensics
Information Security Consultation
Security Testing
Penetration Testing
Information Security
Information Security Audit
Risk Assessment
Incident Response Plan
AI Security
Business with 10-99 Employees
Business with 1-9 Employees
IT Consultation
Threat Detection
Manish J.
London, United Kingdom
$75/hr
5.0
13 jobs
✅ Elite Credentials & Global Impact
🌍 10 plus years securing enterprises across 120+ countries
🏦 Trusted by leading banks (UK & Germany), Insurance Companies, media giants, Law firms & oil & gas titans
🎯 C-level engagements & high-stakes projects delivered on time, on budget, audit-ready
💡 About Me
I architect and operationalize white-glove SecOps for high-value clients—from building world-class incident response teams to embedding proactive threat hunting and deception tech. Whether you’re launching or scaling your Security Operations, I deliver executive-grade frameworks and hands-on execution that earn board-room confidence.
🎯 Core Expertise
• Incident Response
• Threat, Vulnerability & Patch Management
• Advanced Threat Hunting & Profiling
• DLP Strategy & Enterprise-Scale Deployment
• Threat Modelling & Security Controls Design
• Honeypot & Deception Technology Orchestration
• SIEM Architecture & Custom Rule Development (Splunk, RSA NetWitness)
• Cloud Security Hardening (AWS, Azure Sentinel, MDE, Purview)
🗣️❝Manish, pinpointed critical gaps in our EDR configuration across a vast estate and delivered a comprehensive, risk-mitigating plan. Your presentations to the Cloud Design Forum were concise and confident under pressure. The closure notes you drafted were perfectly scoped—clear, to-the-point, and audit-ready, without inviting extra scrutiny. When we needed rapid fixes, your tactical guidance hit the mark, letting us meet urgent business demands before refining functionality. Even our toughest network-segmentation debates were handled with candour and professionalism. Above all, your ability to listen, weigh diverse opinions, and integrate them into robust SecOps processes is truly exceptional.❞
— Marcus Johnson, Lead Information Security Engineer at a Global Professional Services Firm
📌 Experience Highlights
• Global SOC Architect – Built and led IR & hunting programs for 120+ global clients, slashing MTTR by 70%
• Cloud SecOps Leader – Migrated Fortune 50 to Azure Sentinel; developed detection libraries for 50+ deployments
• Threat Hunting Lead @ KPMG UK – Defended against APTs & ransomware, advised CISOs, managed 30+ analysts on high-priority incidents
• SecOps Manager – Delivered turnkey TVM & DLP programs for top finance, legal & media firms, driving compliance and risk reduction
⚙️ Premium Services Offered
• Executive-Level SecOps Build-out & Optimization
• Incident Response Playbook & War-Room Exercises
• Full-Lifecycle Threat & Vulnerability Management
• Proactive Threat Hunting Campaigns
• Honeypot & Deception Tech Deployments
• SIEM, EDR & DLP Enterprise Roll-outs
• Cloud & Hybrid Security Architecture
🛠 Technology Mastery
Azure Sentinel · Microsoft Defender for Endpoint · Microsoft Defender for Cloud · Qualys · Tenable · Service Now · Symantec · Carbon Black · Crowd Strike · Trend Micro · Splunk · RSA NetWitness · AWS Security · Azure Entra ID · Azure PIM· Microsoft Purview
🌟 Why High-Ticket Clients Choose Me
• Elite top 1% Upwork-vetted expertise—trusted by global financial and corporate boards
• Strategic vision + hands-on delivery = zero handoff gaps
• Rapid ramp-up: secure, compliant processes in weeks, not months
• White-glove partnership: tailored solutions, transparent reporting, no surprises
✉️ Let’s Secure Your Enterprise
Ready for executive-level security that scales? Message me now to discuss your biggest risks—and turn them into your strongest defense!
Cybersecurity Management
Information Security Consultation
Information Security
Security Engineering
Microsoft Azure
Information Security Threat Mitigation
Cyber Threat Intelligence
Threat Detection
Incident Response Plan
Incident Response Readiness Assessment
Security Operation Center
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