Why you should select me as a personal virtual assistant? I'm Maricris. A self-motivated professional who thrives on innovation, learning new skills, and encouraging growth in those around me. I have 5+ years of experience in administrative support, customer service, data entry, CRM management, and client follow‑ups. I’ve worked in Mortgage & Insurance Services, Recruitment, and virtual assistance, supporting businesses in fast‑paced environments where accuracy and communication matter. My objective as a freelancer is to provide quality and reliable service contributing to the success of individuals or professionals seeking Virtual Assistance, Admin Support, Data Entry, Document Handling, Web Research, Database Building, Calendar Management, Email Handling, and other general admin tasks. Here are the following services I can offer to you and your business: My skills: Administrative Support Canva Designs (Worksheets, Handbooks, Thumbnail, Social Media Posts, and more) Email Management Email and LinkedIn Lead Generation Social Media Management and Scheduling Research, Data Collection, and Data Entry; Video Editing Graphic designing (Flyer, Facebook Cover, Youtube Thumbnail) Nurturing your followers and clients with email sequences. Recruiting ✔ Familiar with Basic Tools ◾ Google Workspace ◾ Calendly ◾ Canva ◾ Zoom ◾ Slack ◾ Lastpass ◾ Loom ◾ Capcut ◾ Microsoft Excel ◾ Google Calendar ◾Trello ◾Hubspot ◾Microsoft Office

Resourceful IT support engineer driven to exceed expectations and maximize customer satisfaction. 10+ years of professional experience in customer service industries and team supervision through full lifecycle management. Responsible for application implementation, SaaS architecture, administration, configuration, user triage, accounting for system security and business needs, as well as day-to-day operations. I have worked with various systems and technologies, many jobs requiring quick uptake of new software and tech stacks. Skills: Okta, JAMF, FreshDesk, Zoom, Domo, Salesforce, Google Workspace, Slack, Bettercloud, Microsoft 365, Okta, Okta Workflows, Asana, Parsehub, Scrapestorm, Helpscout, MacOS, Windows OS, Kandji, MDM, Intune, Entra, Asset Management, Helpscout, Jira, ITSM, Lifecycle management, SaaS Architecture, Azure, AWS, Risk Management, Video Conferencing, Meraki, Salesforce, Domo, SLA Management, Process Automation, Onboarding, Offboarding, Support System, PDQ, KnowBe4, BeyondTrust, Dialpad, Documo, Foxit, Adobe, Zoom, 1Password, ITSM

I'm happy to start with a free consultation, quick POC, or a test task, your call. See the quality first, then decide. I build production AI systems: computer vision pipelines, RAG knowledge bases, LLM fine-tuning, voice and chat agents that run at scale for market giants serving millions of customers. $300K+ earned across 80+ Upwork contracts and 4500+ hours, 100% Job Success, Top Rated Plus. I lead the AI engineering team at AB Ark. WHAT I BUILD Computer vision Object detection and tracking (YOLO, OpenCV), CCTV and video analytics, edge inference on NVIDIA Jetson, facial expression and body-language models, OCR and document layout analysis, image segmentation. RAG and knowledge systems Private document brains over Google Drive, SharePoint and internal wikis, with citations back to source. Vector search (pgvector, Pinecone, Qdrant), hybrid retrieval, re-ranking, multi-LLM routing, document classification and extraction. LLM engineering Fine-tuning and LoRA training, prompt architecture, evaluation harnesses so you can measure whether a change helped, structured output and schema enforcement, GPT, Claude and open-weight model integration. Voice and conversational AI Real-time voice agents on Twilio, Telnyx, Retell and LiveKit including human-like interruption handling and warm transfer to a live agent. AI agents and automation LangChain and LangGraph agents with tool calling, multi-step workflows, retrieval and human-in-the-loop approval steps. Deployment and MLOps Docker, Kubernetes, CI/CD, AWS and GCP, model serving, monitoring and drift detection. FastAPI and Django when the model needs an API around it. RECENT WORK Edge video analytics on NVIDIA Jetson: real-time object detection on CCTV streams for an on-premise deployment Private RAG "Knowledge Brain" over Google Drive with SOP indexing and citation-backed answers Computer vision SaaS for CCTV footage analysis, built as a multi-tenant product Telnyx voice assistant with warm transfer and human-like interruption handling LLM/RAG document classification and workflow design Computer vision models for facial expression, body-language analysis or custom object detection STACK Python · PyTorch · TensorFlow · OpenCV · YOLO · Hugging Face Transformers · spaCy · scikit-learn · LangChain · LangGraph · LlamaIndex · OpenAI · Anthropic · pgvector · Pinecone · FastAPI · Django · PostgreSQL · Docker · Kubernetes · AWS · GCP · NVIDIA Jetson HOW I WORK Discovery first. I define the data, the model approach and the evaluation metric before writing training code, so "done" is measurable rather than argued about. Milestones with written acceptance criteria, or hourly with daily updates. Your choice. You own the code, the model weights and the infrastructure. NDA and IP assignment on request. Send me your dataset, your accuracy target, or the pipeline you have now, and I will come back with an approach, the risks, and an estimate.

Fix broken SMS delivery, get A2P 10DLC approved fast, and automate your CRM so leads never go cold Most businesses don't have a messaging problem, they have a compliance and automation problem. Numbers get flagged. Campaigns get stuck in "pending" for weeks. Messages land in spam instead of inboxes. Meanwhile, leads sit in a CRM with no follow-up, no tagging, and no system behind them. That's where I come in. I help agencies, SaaS companies, and service businesses get their Twilio and A2P 10DLC setup fully compliant, then build the GoHighLevel automation that actually turns that messaging into booked calls and closed deals. WHAT I HELP YOU ACHIEVE ✔ Get A2P 10DLC campaigns approved without rejections or delays ✔ Fix low deliverability, carrier filtering, and blocked SMS traffic ✔ Turn GoHighLevel into a fully automated follow-up machine ✔ Connect Twilio, GHL, and your CRM into one working system ✔ Save hours a week with AI-powered voice and SMS automation 🔹 TWILIO & A2P 10DLC COMPLIANCE Getting approved isn't the hard part, staying compliant and deliverable is. I handle: ✅ A2P 10DLC brand and campaign registration (TCR) ✅ 10DLC rejection troubleshooting and resubmission ✅ Toll-free verification and number provisioning ✅ Carrier filtering, deliverability, and throughput fixes ✅ Twilio Studio flows, subaccounts, and API integrations 🔹 GOHIGHLEVEL AI AUTOMATION This is where the messaging actually starts producing revenue. You'll get: ✅ AI-powered SMS and voice follow-up sequences ✅ Lead routing, tagging, and pipeline automation ✅ Missed-call text-back and speed-to-lead workflows ✅ Custom GHL snapshots built for your niche ✅ Workflows connected across Twilio, GHL, and your CRM 🔹 CRM INTEGRATION & SUPPORT If your systems don't talk to each other, leads fall through the cracks. I connect: ✅ GoHighLevel, Lofty, Follow Up Boss, HubSpot, Salesforce ✅ Zapier and Make com for cross-platform automation ✅ WhatsApp Business API (Twilio-powered) ✅ Webhooks and custom API integrations Platforms include: Twilio, GoHighLevel, HubSpot, Salesforce, Zapier, Make 🎯 MY CORE EXPERTISE • Twilio SMS, Voice, and WhatsApp API Integration • A2P 10DLC Registration and Compliance (TCR) • GoHighLevel Workflow and AI Automation • CRM Setup and Pipeline Automation • Missed-Call Text-Back and Speed-to-Lead Systems • API Integrations and Webhook Automation • Deliverability Troubleshooting and Carrier Filtering • AI Voice Agent Setup (Vapi, Retell, Synthflow) 🧰 TOOLS AND PLATFORMS • Twilio, Twilio Studio, TCR (The Campaign Registry) • GoHighLevel, HubSpot, Salesforce, Zoho CRM • Lofty, Follow Up Boss • Zapier, Make, n8n • Vapi, Retell, Bland, Synthflow, ElevenLabs • WhatsApp Business API 🏆 PROJECT HIGHLIGHTS 📍 A2P 10DLC Compliance Rescue Resolved a rejected 10DLC campaign and restored full SMS deliverability within days of engagement. 📍 GoHighLevel Automation Build (Service Business) Built a complete missed-call text-back and lead nurture system in GoHighLevel, cutting response time from hours to minutes. 📍 Real Estate CRM Cleanup (Lofty) Streamlined a Lofty CRM workflow and contact data pulled in from Follow Up Boss and Zillow, removing duplicate and dead automations. 📍 WhatsApp Business API Integration Set up Twilio-powered WhatsApp Embedded Signup and messaging flows for a client-facing product. 💡 WHY CLIENTS CHOOSE ME AS THEIR TWILIO & A2P EXPERT ✅ Deep, hands-on Twilio and A2P 10DLC compliance expertise ✅ Proven GoHighLevel automation that converts leads into calls ✅ Fast troubleshooting on deliverability and carrier issues ✅ Industry-agnostic: real estate, SaaS, agencies, service businesses ✅ Transparent communication and on-time delivery 🌍 INDUSTRIES AND PROJECT TYPES • A2P 10DLC Compliance and SMS Deliverability • GoHighLevel Automation for Agencies and Service Businesses • Real Estate CRM Systems (Lofty, Follow Up Boss, GHL) • SaaS and B2B Lead Follow-Up Automation • AI Voice Agent and SMS Automation • WhatsApp Business API Integration • CRM Migration and Pipeline Cleanup 📩 LET'S FIX YOUR MESSAGING AND AUTOMATE YOUR FOLLOW-UP Whether you're stuck on A2P 10DLC approval, losing leads to slow follow-up, or need GoHighLevel built out properly from scratch, I'll get your Twilio setup compliant and your CRM working as a real sales system. With the right setup, every lead gets an instant response, every message gets delivered, and every pipeline stays organized automatically. Click Invite or Message now, and let's get your SMS compliant and your automation working. KEYWORDS Twilio, A2P 10DLC, TCR, SMS Compliance, SMS Deliverability, GoHighLevel, GHL Automation, AI Automation, CRM Automation, Lofty, Follow Up Boss, WhatsApp Business API, Missed Call Text Back, Speed to Lead, Lead Nurturing, Workflow Automation, Toll-Free Verification, Carrier Filtering, Twilio Studio, Zapier, Make, n8n, HubSpot, Salesforce, AI Voice Agent, Vapi, Retell, Synthflow

Technical Security Expertise: - Vulnerability Assessment and Penetration Testing (Nessus, OpenVAS, Acunetix) - Security Operations (Wazuh XDR & SIEM, AzureAD PAM & DLP, Darktrace NDR & EDR) - FortiADC Load balancer with WAF & Barracuda Email Security Gateway. - Network Security (FortiGate Firewall, Cisco FTD) - Backup and Recovery (Veeam, Azure Site Recovery, Symantec Backup Exec, DPM) Cloud Expertise: - Architected and supported secure, scalable cloud solutions across AWS and Oracle Cloud Infrastructure (OCI) using core compute, networking, storage, and IAM services. - Designed and implemented multicloud architectures (AWS–OCI) with secure VPN/IPSec connectivity, workload optimization, and high availability. - Applied cloud security best practices, including IAM least privilege, network segmentation, encryption, logging, and compliance aligned with CIS benchmarks. - Optimized performance, availability, and cost through capacity planning, monitoring, automation (IaC concepts), and cloud best-practice frameworks. System Administration: - Active Directory, Group Policy, Exchange Hybrid (On-Prem & O365) - VMware VCenter, Citrix XenDesktop, Postfix Email Gateway, Squid Proxy - SCCM Auto push installation & MDT (Microsoft Deployment Toolkit) Automation and Tools: - Powershell, Scripting (Python), Docker (Guacamole, BookStack) - JIRA, Freshdesk Ticketing System, RD Web for remote platform Soft Skills: - Leadership and Team Management - Meticulous Reporting and Documentation - Cross-functional Collaboration

Hello, I'm Paul Kirungi—a certified and experienced Microsoft Technologies Administrator specializing in Office 365 environments. With certifications including MCSE, MCSA, and M365, I bring a deep understanding of Microsoft ecosystems to every project. While my primary focus is on Microsoft solutions, I also offer complementary expertise in Google Workspaces administration. What I Offer: Microsoft Office 365 Administration: I provide expert management and optimization of Office 365 environments, including user management, security settings, and troubleshooting for applications like Outlook, Teams, SharePoint, and OneDrive. EntraID & Security: Leveraging Microsoft EntraID, I ensure robust access controls and security configurations that safeguard your digital workspace while promoting seamless user experiences. Azure Cloud & Virtual Environments: I design, deploy, and maintain secure Azure Cloud infrastructures and virtual environments, enabling your organization to scale and support remote work effortlessly. Google Workspaces Administration: In addition to Microsoft technologies, I offer administrative support for Google Workspaces, ensuring effective collaboration and system efficiency when needed. Industry Experience: I have partnered with clients across various sectors—including Health Care, Legal, and Non-profit organizations—to deliver tailored IT solutions. My comprehensive approach ranges from initial setup to scaling remote operations, always with a focus on security, compliance, and operational excellence. Why Choose Me: Microsoft Expertise First: With a strong foundation in Microsoft technologies, I deliver solutions that prioritize security, efficiency, and scalability. Diverse Technical Skills: My dual expertise in both Microsoft and Google platforms allows for a versatile approach, addressing a broad spectrum of business needs. Proven Track Record: I am committed to providing clear communication, innovative problem-solving, and solutions that are customized to drive your organization’s success. Let’s collaborate to enhance your Microsoft environment and streamline your digital operations. Feel free to reach out to discuss how I can help your organization achieve its goals.

5 Star Upwork Freelancer. 100% Job Success. Top Rated Plus. I am currently looking for full-time or part-time work, as a virtual assistant or virtual customer service representative or related job / position. I have worked as a customer service and tech support agent for Zendrop, Medhumor Medical Publications, Tokyo Techies, Verbalicity, Philadelphia Nanny Network and many other clients. I have also worked as a virtual assistant for MRA Property Management Inc, SG Consultants, High Thrive, GTA Mortgage Pros, Big4Bio and many other clients. I have worked as an excel expert, dealing with excel data cleaning and excel spreadsheet remake projects with Oxford Properties, FCR, BKC, TANigible Accounting and other clients. Able to cleanup, standardization, and consolidation of multiple Excel spreadsheets onto one spreadsheet. Have advanced Excel sheets skills, such as using filters, formulas, data validation, and VLOOKUP/XLOOKUP. I have experience in posting blogs, posting ads, managing calendars and booking appointments, managing and answering emails, booking travel, data research, transcribing, video conferencing moderating, copywriting, proofreading, light bookkeeping/accounting, and I have done many other variety of tasks. I am extremely proficient in all Microsoft Office programs and I have used Google Suites majority of the time. Intermediate in using Excel spreadsheets. I have use a variety of CMS tools, such as, Slack, Asana, Trello, Hubspot, Norton, Monday, and different Real Estate CMS platforms. I have a college degree in Instrumentation Engineering Technology. Finished first in the class and took other additional courses. I am confident that I can be an asset to different clients that need a reliable, hard working freelancer. I can provide a more detail CV when requested.

🚨 If your application, SaaS platform, or cloud environment has never undergone a professional security assessment, you may have unknown vulnerabilities that attackers can exploit. I’m a Certified Penetration Tester and Ethical Hacker providing Vulnerability Assessment and Penetration testing (VAPT) services for web applications, APIs, cloud infrastructure, mobile apps, SaaS platforms, and network environments. My goal is not just to find vulnerabilities — but to help you understand real security risks and fix them effectively. I perform manual penetration testing supported by professional security tools to identify exploitable weaknesses such as authentication flaws, privilege escalation paths, injection vulnerabilities, and business logic issues. You will receive a clear and actionable security report that helps developers resolve issues and allows management to understand the real business impact. 🎯 My Services - Vulnerability Assessment & Penetration Testing (VAPT) - Web Application Penetration Testing (OWASP Top 10) - API Penetration Testing (REST, GraphQL, authentication flaws, IDOR, injection) - Cloud Infrastructure Security (AWS, Azure — misconfigurations, IAM, exposed services) - Network Penetration Testing (internal & external) - Mobile Application Security (Android & iOS) - SaaS Platform Security & Penetration Testing (multi-tenant logic, RBAC, privilege escalation) - CMS Security (WordPress, Laravel, custom apps) - Retesting after remediation 📋 What You Will Receive A clear, structured security report designed for both technical teams and business stakeholders, including: • Executive summary for management and decision-makers • Detailed vulnerability findings with severity ratings • CVSS scoring and risk prioritization • Proof-of-concept evidence (screenshots, request/response captures) • Business impact explanation for each issue • Step-by-step remediation guidance for developers • Retesting validation after fixes are applied • Reporting that can support ISO 27001 and SOC 2 compliance preparation 🏆 Certifications - Certified Ethical Hacker Practical — EC-Council - eLearnSecurity Junior Penetration Tester (eJPT) — INE - Certified API Penetration Tester — APISec University - IBM Cybersecurity Analyst - Cisco Verified Ethical Hacker - ISO 27001:2022 Lead Auditor 🛠️ Tools I work with Burp Suite Pro, OWASP ZAP, Nmap, Nessus, Metasploit, MobSF, Wireshark, Postman, and custom Python/Bash scripts and so on. Whether you're preparing for a security review, compliance audit, or investor due diligence, I can help you understand your attack surface and security risks. 📩 Send me your scope or asset list and I’ll help you determine the best testing approach.

⭐ 𝗧𝗥𝗔𝗖𝗞 𝗥𝗘𝗖𝗢𝗥𝗗 & 𝗖𝗔𝗣𝗔𝗕𝗜𝗟𝗜𝗧𝗜𝗘𝗦 • 𝟲,𝟬𝟬𝟬+ hours logged on Upwork with $𝟳𝟬𝗞+ earned at 𝟭𝟬𝟬% Job Success (𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀) • 𝟯,𝟬𝟬𝟬+ issues resolved annually maintaining a 𝟵𝟱% customer satisfaction (CSAT) rate • Associate Team Lead & Cybersecurity Specialist, directing live queue operations, SLA compliance, and incident response • Cross-industry expertise spanning SaaS web platforms, video conferencing QA, IoT smart home devices, and solar/energy storage hardware • 𝟰𝟬+ hours/week availability with rapid response times • Native in English & Arabic, delivering fluent, high-touch support across global accounts and multi-channel queues I hold a Bachelor's in Electronics and Communications Engineering with 𝟲+ years of hands-on experience spanning cybersecurity, SaaS web platforms, IoT devices, and renewable energy storage. I can reproduce a complex bug and write it up for your engineers, de-escalate an anxious client, or guide a user through live security threat mitigation. Customer support that only soothes and technical support that only escalates both leak customers. On my help desk, they are one job. 🎯 𝗪𝗛𝗔𝗧 𝗜 𝗗𝗢 • Cybersecurity technical support: threat mitigation, web application troubleshooting, and end-user security hygiene • Tier 1, Tier 2, and Team Lead support over live chat, email, and phone queues • SaaS technical support: login, account access, permissions, browser compatibility, and session stability • Video conferencing QA & technical support: real-time connectivity, audio/video quality, and participant verification • Help desk operations & leadership: ticket triage taxonomy, SLA management, priority rules, and escalation matrix design • Team leadership & mentoring: agent coaching, live queue oversight, SOP creation, and new-hire onboarding • IT support & system configuration: Windows PC setup, Office 365, Microsoft Outlook, Slack, and IoT smart home integrations • Technical support documentation: troubleshooting articles, knowledge base build-outs, and human-centric macro libraries • QA testing & bug logging: clean, reproducible bug reports with environment details and severity ratings engineers can act on unaided • CRM data cleanup in HubSpot: de-duplication and field enrichment so technical support routing and reporting work • Customer success & retention cover: onboarding sequences, proactive account health check-ins, and churn prevention • Technical sales support for solar energy arrays, battery storage products, and inverter hardware If it sits between your product and a frustrated user, it is technical support and it is my lane. 💼 𝗪𝗛𝗢 𝗜 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 Cybersecurity, SaaS, and web platform teams who need battle-tested technical support and team lead oversight, not script readers. IT departments needing reliable overflow technical support and help desk capacity. Solar, battery storage, and IoT companies who want technical support from someone who speaks hardware and networking. Founders still doing their own customer support. 🔄 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 𝟭. I learn the product before answering a ticket. Guessing in front of a customer destroys brand trust. 𝟮. My quick hour response average is a technical support commitment, not just a statistic. 𝟯. Escalations carry exact reproduction steps, environment details, and severity, so technical support never wastes engineering time. 𝟰. Recurring support questions become knowledge base articles and macros so customer support issues stop repeating. 𝟱. I flag the pattern, not just the ticket. One bug affecting five users? You hear about the root cause immediately. 📞 Message me with your product and where support is breaking. I will reply with an actionable breakdown of how I would run technical support on it.

I'm a globally-minded professional specializing in data-driven solutions and technology integration. With a strong background in instructional technology and a Master of Science in Data Science, I bring expertise in data analysis, spreadsheet management, and project coordination to a wide range of projects. Whether you're trying to organize data, make sense of findings, or build a new system, I can help.