Computer Security Consultants For Hire
Showing 116 results
Sponsored Freelancers
-
Hire engkarimismail
engkarimismail engkarimismail
$50 USD / hour
✅Network|Voip|Cloud|Security|SysAdmin|DevOps|Mail✅MalaysiaNanoq LLC is a U.S.-registered software engineering and IT consulting company delivering web, mobile, cloud, AI, infrastructure, and cybersecurity solutions. We develop scalable web applications, mobile apps, SaaS platforms, APIs, admin systems, e-commerce solutions, booking platforms, and AI-powered applications...Nanoq LLC is a U.S.-registered software engineering and IT consulting company delivering web, mobile, cloud, AI, infrastructure, and cybersecurity solutions. We develop scalable web applications, mobile apps, SaaS platforms, APIs, admin systems, e-commerce solutions, booking platforms, and AI-powered applications using technologies including Flutter, Laravel, React, Node.js, Python, FastAPI, Vue.js, Firebase, MySQL, PostgreSQL, MongoDB, Docker, AWS, and Google Cloud. Our capabilities also include cloud architecture, DevOps, Linux and Windows infrastructure, networking, VoIP, cybersecurity, system migration, deployment, automation, and ongoing technical support. We focus on secure architecture, clean development, scalability, clear communication, and production-ready delivery. less -
Hire geologistt
"Research. Security. Automation. One Trusted Partner" Preferred Freelancer, verified 5-star expert, and member of the elite top 1% of freelancers on Freelancer.com serving since 2011. A2Z Research Consultants is a multi-disciplinary consultancy advising organizations on..."Research. Security. Automation. One Trusted Partner" Preferred Freelancer, verified 5-star expert, and member of the elite top 1% of freelancers on Freelancer.com serving since 2011. A2Z Research Consultants is a multi-disciplinary consultancy advising organizations on research integrity, cybersecurity posture, and intelligent automation — combining deep technical delivery with strategic guidance. Backed by 680+ five-star delivered projects since 2011, we bring the same rigor and delivery discipline that built our track record to every engagement across our three advisory practices. 1. Research & Publication Advisory We advise and deliver for undergraduate to PhD students, researchers, and professionals on: Research papers targeting SCI/Scopus journal acceptance Theses, dissertations, and research proposals Statistical analysis (SPSS, ANOVA, MANOVA, NVivo, Python, R) Critical literature reviews, case analyses, capstone projects Journal article critiques, annotated bibliographies, admission essays Proofreading, editing, CV/portfolio development 2. Cybersecurity Advisory & Delivery Our cybersecurity practice delivers real business outcomes, not just audits on paper. Recently delivered a $20,000 engagement for a US-based multinational firm — hands-on evaluation of leading platforms (CrowdStrike Falcon, Qualys VMDR, Tenable, Microsoft Defender, Axonius) across AWS cloud and Apple/Windows environments, culminating in a detailed technical comparison report and executive PowerPoint deck. Earned a 5-star review for the depth and clarity of the analysis. We also advise on: Cybersecurity tool evaluation & vendor comparison (SIEM, EDR, vulnerability management, cloud security platforms) Vulnerability assessments and penetration testing Security audits and compliance documentation (ISO 27001, SOC 2) 3. AI & Automation Strategy We advise on and build practical automation systems that solve real operational problems: Automated customer service operations for a US-based e-commerce business Developed knowledge-based chatbots and internal productivity tools using n8n, LangChain, and RAG-based applications Let's connect if you're looking for a trusted, long-term advisory partner who delivers results with transparency and professionalism. Best regards, Shahid Ali Founder, A2Z Research Consultants less -
Hire OWINOKAMAU
Master’s degree holder with over 10 years of experience in academic research writing, data analysis, and statistical modeling. I specialize in producing well-structured, evidence-based academic work for undergraduate, postgraduate, and doctoral-level clients. My work is grounded in peer-reviewed literature, sound...Master’s degree holder with over 10 years of experience in academic research writing, data analysis, and statistical modeling. I specialize in producing well-structured, evidence-based academic work for undergraduate, postgraduate, and doctoral-level clients. My work is grounded in peer-reviewed literature, sound research methodologies, and strict adherence to academic integrity standards. I have successfully completed research projects involving: ✔️Quantitative, qualitative, and mixed-methods studies ✔️Hypothesis testing, regression analysis, ANOVA, time-series analysis, and panel data ✔️Survey design, instrument validation, and data interpretation ✔️Systematic literature reviews and meta-analytical support ✔️Research proposals, theses, and dissertations ✔️Journal articles (APA, Harvard, MLA, IEEE) ✔️Data analysis using SPSS, R, Python, SAS, Excel, and Power BI Academic Coursework & Learning Support: ✔️ Weekly assignments and continuous assessment tasks ✔️ Discussion posts and academic reflections ✔️ Quizzes, tests, and timed assessments ✔️ Lab-based coursework and platform-guided assignments ✔️ Pearson, uCertify, McGraw-Hill Connect, WileyPLUS, MindTap, ALEKS, Blackboard, Moodle tasks ✔️ Data-driven lab reports and technical coursework Software Analysis, Design & Implementation (Academic & Project-Based): ✔️ Software Requirements Specification (SRS) ✔️ Business Requirements Document (BRD) ✔️ Functional & Non-Functional Requirements Analysis ✔️ System Analysis & Design (Use Case, Class, Sequence, Activity Diagrams) ✔️ Database Design (ERD, EERD, normalization up to 3NF/BCNF) ✔️ SQL Development & Database Implementation ✔️ Oracle, MySQL, PostgreSQL, MSSQL, MongoDB ✔️ Documentation aligned with IEEE & academic standards What sets me apart: ✔️ Original, plagiarism-free academic writing ✔️ Manual paraphrasing — no AI humanizing tools ✔️ Clear academic tone and logical argumentation ✔️ Unlimited revisions until expectations are met less -
Hire touhidecevw
touhidecevw touhidecevw
$60 USD / hour
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. less -
Hire zulqrn
بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ In the name of ALLAH, the Most Gracious , the Most Merciful. _______________________________________________________________ I’m an experienced IT professional with a strong background in server and network administration, cloud infrastructure, and systems integration. Over the...بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ In the name of ALLAH, the Most Gracious , the Most Merciful. _______________________________________________________________ I’m an experienced IT professional with a strong background in server and network administration, cloud infrastructure, and systems integration. Over the years, I’ve worked across diverse environments, including Windows Server, AWS, Azure AD, Intune and Office 365, helping organizations streamline their IT operations, strengthen security, and modernize their digital infrastructure. My approach combines technical expertise with practical problem-solving. Whether it’s migrating hundreds of mailboxes, optimizing DNS and firewall configurations, or managing hybrid cloud systems, I focus on delivering reliable, secure, and seamless results. Core Expertise Email Migrations- Migrations between Office 365, Google Workspace, Zoho, GoDaddy, and cPanel etc. Tenant-to-tenant and domain-based migrations IMAP and POP-based migrations Hybrid migration planning (on-premise to cloud) Troubleshooting mail flow, delivery issues, and MX/DNS records Ensuring seamless user transitions with zero data loss Cloud & Email Services- Email setup and management: Office 365, Google Workspace, Zoho Mail, GoDaddy AWS: EC2, VPC, SES, IAM, Route 53, CloudWatch, SNS, VPN Azure AD: Identity Management, SSO, SAML, IDP Google Cloud Platform integration DNS & Security DNS record management: SPF, DKIM, DMARC, CNAME, MX, A SSL certificate installation and troubleshooting Firewall configuration: FortiGate (Web Filter, App Control, LDAP, SSO) Server & Directory Services- Windows Server (2008–2024) and Active Directory administration Group Policy, LDAP, RADIUS, and Domain Controllers Server migration, backup & restore, and RAID management PowerShell scripting, WDS, and WSUS deployment Virtualization & Automation- Virtualization platforms: Microsoft Hyper-V, VMware ESXi, vCenter Scripting & automation: PowerShell, Bash File & Web Services- File servers: IIS FTP, FileZilla, ProFTPD Web servers: Microsoft IIS Networking & Support- Network administration and troubleshooting Site-to-site VPN and secure connectivity Remote technical support for diverse IT systems. I take pride in delivering dependable, secure, and efficient IT solutions that help businesses operate smoothly and confidently. My goal is always to combine strong technical expertise with a people-first approach, ensuring every project — from migration to automation — creates real value for the organization. less -
Hire Habibkhan82
With over 15 years of expertise, I deliver top-tier technical support across diverse channels, including phone, chat, email, video calls, and remote desktop assistance. I specialize in helpdesk technical support tasks, resolving IT tickets, and tackling various technical challenges, ensuring smooth operations for your...With over 15 years of expertise, I deliver top-tier technical support across diverse channels, including phone, chat, email, video calls, and remote desktop assistance. I specialize in helpdesk technical support tasks, resolving IT tickets, and tackling various technical challenges, ensuring smooth operations for your business. My proficiency extends to Google Workspace, where I offer comprehensive services encompassing technical support, consultation, and seamless migration. I excel in troubleshooting email delivery issues and implementing robust email authentication protocols (MX, SPF, DKIM, DMARC) to bolster your email security. My skillset covers a broad spectrum of IT domains, including: Windows IT Administration (Tier 2 & 3): Expertise in Active Directory, Domain Controllers, Migrations/Upgrades, Group Policies (GPO), and Custom Solutions. Microsoft 365/O365 Cloud: Proficiency in Microsoft Authenticator and Office 365 Administration, including Outlook, Teams, Word, and Excel. Microsoft Exchange Administration: Extensive experience in troubleshooting email server and message issues. Windows 10, Windows 11 Technical Support: Comprehensive support for Windows operating systems, delivered remotely or via phone. Microsoft Azure AD and Hybrid Cloud/On-prem Domain Controllers: Adept at resolving complex issues in these environments. Debugging and Fixing Broken Automated Processes: I can efficiently address challenges with web servers, mail services, operating systems, and more. Remote Servicing and Setup: Skilled in configuring Wireless, Printers, User Account Access, and Mail Accounts. Virtual Machines: Proficiency in Microsoft Azure, Microsoft Hyper-V, VMWare Player, VMWare Workstation, ESXi/vSphere, including migrations, troubleshooting, repair, and upgrades (P2V/V2P/V2V). Cloud Services: Expertise in Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Alibaba Cloud, Oracle Cloud, Rackspace Cloud, and VMWare. Domain Hosting & Migration: Experience in SSL Installation and Configuration, DNS Setup, MX, SPF, DKIM, DMARC, and Cloudways setup. Advanced WIFI & Wireless Networking: Skilled in network enhancements, troubleshooting, security upgrades, and new features. Data Recovery: Capable of file recovery, drive and RAID failure resolution, and data reconstruction. Printing and Scanning: Comprehensive support for commercial-grade printing and scanning machines. Windows Domain Customization: Proficient in scripting and automation for tailored solutions. Virus Removal: Efficiently handle virus removal to ensure system security. I am dedicated to providing reliable solutions and solving any IT-related challenges you may encounter. Thank you for considering my services; I'm here to support your IT needs comprehensively. less -
Hire azfatima512
I'm a freelancer with a strong background in web research, web scrapping, data entry, and eCommerce. With over 5 years of experience, I have the knowledge and expertise to help you with your projects. My attention to detail and accuracy make me a reliable source for any task that requires researching, collecting, and...I'm a freelancer with a strong background in web research, web scrapping, data entry, and eCommerce. With over 5 years of experience, I have the knowledge and expertise to help you with your projects. My attention to detail and accuracy make me a reliable source for any task that requires researching, collecting, and entering data. My services are available to you 24/7 to get the job done quickly and accurately. I have the skills and experience to ensure that your projects are completed on time and within the budget. Services and Skills List ✔ Product Searching ✔ Product Listing ✔ Web Development - Shopify, Bigcommerce, WordPress, Woocommerce, E-Commerce, eBay, Opencart, Etc. ✔ PDF into Fillable Forms ✔ PDF, Word, Excel, PowerPoint ✔ Data entry ✔ Typing ✔ Internet research ✔ Data mining ✔ Web research ✔ Web scraping ✔ Lead generation ✔ Bookkeeping ✔ Social Media Management less -
Hire joseteixeira06
Thank you for visiting my profile. I am a highly organized and committed developer focused on delivering high-quality solutions. I work with strong attention to detail, clear communication, and full dedication to client success. I have solid experience transforming ideas into complete, functional, and optimized...Thank you for visiting my profile. I am a highly organized and committed developer focused on delivering high-quality solutions. I work with strong attention to detail, clear communication, and full dedication to client success. I have solid experience transforming ideas into complete, functional, and optimized products. I specialize in both frontend and backend development, as well as modern AI-driven solutions. I can take your project from the initial concept all the way to a fully deployed and scalable product. My core expertise includes: - HTML5, CSS3, and JavaScript (ES6+) - Python development with Django and FastAPI - Mobile App Development with Apache Cordova - AI/ML development using PyTorch - AI agents and workflow automation (LangChain, LangGraph) - Automation tools such as n8n and Zapier - Plugin integration: camera, GPS, storage, push notifications - Responsive layouts and intuitive UI/UX design - Firebase (Realtime Database / Firestore / Authentication) - Integration with APIs and external systems - Performance optimization and code enhancement - Bug fixing, testing, and ongoing maintenance I am passionate about building efficient, scalable, and intelligent systems that deliver real value. If you choose to work with me, you can expect full commitment, transparent communication, and a final result that meets—and exceeds—your expectations. less -
Hire alokraybd
Hello, My name is Alok Ray and I'm a passionate website designer and developer. I have more than 5 years of experience in web design and WordPress..◉✓ I am dedicated to delivering exceptional customer service. I will closely collaborate with you to comprehend your needs and objectives, and I will keep you informed...Hello, My name is Alok Ray and I'm a passionate website designer and developer. I have more than 5 years of experience in web design and WordPress..◉✓ I am dedicated to delivering exceptional customer service. I will closely collaborate with you to comprehend your needs and objectives, and I will keep you informed about the progress of your project every step of the way.⭐ ⭐ ✅ My Skills - ➤ HTML, HTML5 => CSS, CSS3 => Bootstrap => JavaScript ➤ PHP => WordPress => E-Commerce => Woo-Commerce ➤ Blog Installation => cPanel ▶ Website Speed Optimization ➤ Domain-Hosting ➤ Manually migrate WordPress ➤ Increase website security ➤ Website Error Fixing ➤ PSD/Figma TO HTML ➤ PSD/Figma TO WordPress ➤ WordPress Theme Customization ➤ WooCommerce Setup On WordPress ✔️ My top priority when working on a project is to ensure client satisfaction. I am constantly seeking out new challenges to improve my skills and knowledge.⭕ Thank you less -
Hire dwinurhadi
I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense...I have been working with network devices and system admin for the past few years and have great experience with them. I am ready to be hired and start working on your projects today. ~regards | Cisco Expert Routing Switching | | VMware Expert | Juniper Router | HCNA Huawei | | Fortinet NSE1 NSE2 NSE3 | | PFSense Advanced | FreeBSD Advanced | Mikrotik MTCNA MTCWE | Palo Alto Expert | | Docker | Docker Compose | Nomad | Kubernetes | Ansible Expert | Terraform | Scripting Automation | WebServer Nginx and Apache Expert | | MySQL Tune High Performance | Indexing | Tune Up | | Github Action | Gitlab Pipelines Expert less
