
Milyonlarca insan fikirlerini gerçeğe dönüştürmek için Freelancer'ı kullanıyor.
Önde gelen markalar ve start-up'lar tarafından güveniliyor
Projenizi ücretsiz yayınlayın ve bugün çalışmaya başlamaya hazır yetenekli Network Security Consultants ile bağlantı kurun. Teklifleri, puanları ve portföyleri karşılaştırın; ödemenizi ise yalnızca yapılan işten memnun kaldığınızda gerçekleştirin.
~370 saniye
ilk teklife kadar
35+
proje başına teklif
128+
Network Security Consultants çevrimiçi
Ön ödeme gerekmez · yalnızca işten memnun kaldığınızda ödeme yapın

8,2
8,2
98%

Nairobi, Kenya
$10 USD saatlik
Hello welcome to my profile, I am a guru in research writing, technical writing, business analysis, web scraping, and SEO content writing. I have been doing this for more than you can imagine. I am a BSc degree holder in computer science and a diploma in project management and CCNA certification. I also hold a Bachelor's degree in commerce. I have more than 5 years of experience in providing research writing, technical writing, WordPress, SEO article writing, and content writing. Below are some of the services that I offer, Article and Book Reviews Finance, Accounting, Statistic and Economics Writing. Case study analysis Proposal writing software requirements specification (SRS) and system design specification (SDS) Project management (WBS, scheduling, Gantt charts, charter, scope, project cost estimation) Computer network && Cyber security Database management && design(ERD design, Normalization, database schema ) Computer programming(Python, Java and Php ) Software Engineering (UML diagrams: Use Case, Class diagram, flowcharts, Sequence diagram) Digital forensic Etc. I believe in creating excellent services to my clients by understanding the instructions, thus providing well-versed results. As a researcher, I remain committed to delivering quality work, free from plagiarism, with proper grammar and intensive research. My key purpose in the freelance industry is to relentlessly and passionately deliver high-quality work. My core values are always Commitment, reliability, time- conscious honesty I am always open to invitations from clients who have confidence in my skill set and share the same interest in perfection and good working relations. Please click "Hire me" in my profile "https://www.freelancer.com/u/kaindo2017" and I will never disappoint you, thank you.

8,0
8,0
96%

Dhaka, Bangladesh
$40 USD saatlik
|==> Jack of all trade!! <==| Areas Of Expertise: IT Security Audit - ISO 27001:2022, PCI DSS, NIST 800-53, GDPR and several other IT Security Compliance. IT Security and VAPT - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration tools System Administration - VMWare vSphere, vCenter, ESXi (5.x, 6.x, 7.x, 8.x) Redhat Linux Enterprise Linux (5.5, 6, 6.5, 7, 8), CentOS, Ubuntu, Kali/Backtrack,. Windows Server (2019, 2016, 2012), Windows Hypervisor, SCVMM (System Center Virtual Machine Manager), SCCM (system center configuration manager), SCOM (System Center Operations Manager), VMware Networking - Routing, Switching, Cisco Firewalls, router and switches, Packet tracer, Riverbed Opnet Modeler, GNS3 IT Security - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration tools Digital Forensics - Autopsy, EnCase, FTK, Axiom Web Designing - html, css, javascript, xml Web Programming - php, asp, ajax, jsp Database - MySQL, Oracle Writing - Technical Writing, Technical documentation, E-book, Content, Report, Creative writing

6,7
6,7
100%

Lahore, Pakistan
$19 USD saatlik
A dynamic IT Engineer with 8 years plus experience of Systems and Networks. I have experience of End User Technical Support, Desktop Support, Network Design, Development, Operations, Maintenance, Routing & Switches, Firewalls and Load Balancer from the well-reputed organization. Working knowledge of major networking components & hardware components. Redesign and Re-engineering of existing networks for future growth. Configuring Network in a simulation environment such as Packet Tracer, GNS3, My expertise are given below ✅ Configuration of Cisco Firewalls, Routers & Switches ✅ Existing Network Connectivity Issues ✅ Expert in VPN (GRE, SSL, DMVPN, IPSec Site to Site). ✅ Routing Protocol (IPV4 and IPV6) ✅ Network Design, Troubleshooting in GNS3 & Cisco Packet Tracer ✅ Report Writing Guidance for Network ✅ Routing Protocols (Static and Dynamic) ✅ Technical Documentation & Report Writing ✅ Network Diagram using MS Visio *** Just A Trial Will Convince You. ***

8,8
8,8
99%

rajkot, India
$25 USD saatlik
🚀 Top Rated WordPress & Elementor Expert | 12+ Years Experience I am Senior WordPress Developer with 12+ years of experience specializing in custom WordPress development, Elementor Pro, WooCommerce, website speed optimization, and business websites that convert visitors into customers. I have completed 1000+ successful projects for startups, agencies, and enterprises worldwide. My expertise includes: • Elementor Pro • WooCommerce • Custom Theme Development • Custom Plugin Development • Figma to WordPress • PSD/XD/Figma to Elementor • Website Speed Optimization (Core Web Vitals) • Website Security • Website Maintenance • Landing Pages • SEO Friendly Development • Mobile Responsive Design • API Integrations • Bug Fixes • WordPress Website Development • Elementor Pro Design & Customization • WooCommerce & eCommerce Websites • Landing Pages & Lead Generation Pages • Website Redesign & Modern UI/UX • Speed Optimization & SEO-Friendly Setup • Responsive Mobile-Friendly Design • Theme & Plugin Customization • Bug Fixing & Website Maintenance • HTML, CSS, PHP & Web Design Why clients choose me: ✔ 1000+ completed projects ✔ 4.9⭐ positive reviews ✔ Fast communication & on-time delivery ✔ Professional and clean design approach ✔ Long-term support after project completion I focus on clean code, fast communication, and long-term client relationships. Let’s work together to create something amazing for your business! Thank you

9,2
9,2
98%

Jaipur, India
$20 USD saatlik
Welcome to Appquipo! We are a Mobile Application Development team that is well-respected for our captivating, innovative, and one-of-a-kind mobile app designs. Our certified team of App Experts has more than 10 years of comprehensive experience in this field and has worked with some absolutely phenomenal clients to create a stunning portfolio of work. Through our expertise, we offer the following services: ✅Salesforce Expertise – Commerce Cloud, Marketing Cloud, Sales Cloud, Service Cloud, Analytics, Salesforce Einstein, Salesforce -- CRM, Salesforce Mobile App ✅eCommerce Expertise-- Magento 2, Shopify, BigCommerce, WooCommerce, OpenCart, Shopware, ✅Languages Expertise -- PHP(CorePHP, Laravel, Cakephp, Yii, Yii2, Symfony, CodeIgniter, Zend), Angular, Node, React ✅Mobile Platforms - iOS, Android, Xamarin, Flutter, ionic Phone-gap, React Native, All On-Demand App ✅Software – ERP & CRM Development, SaaS products, Database Solutions Management, Supply Management, HRM, Booking Software, e-Learning As you can see, our offerings encompass a number of areas, and we can confidently say that we deliver some of the best services and assets in each of these areas. Whether you need a new app built, or an existing app reconfigured or edited, we will work with you to fix all your problems. We do this through consistent communication and in-depth planning and brainstorming. We will also meet all deadlines and budgetary limits, so there never needs to be any stress about deliverables. If you’re interested in working with us, you can reach us on Freelancer, where our team will gladly answer any questions you may have about our work, portfolio, reviews, or skill set. So please, let us know how Appquipo can help you today!

7,7
7,7
100%

Lahore Cantt, Pakistan
$10 USD saatlik
Fixing slow, hacked, and broken WordPress sites with absolute precision. When your site is down, hacked, or painfully slow, you lose revenue every single minute. I step in to fix the root technical and server-side cause immediately—no temporary patches, no automated band-aids. I am a senior WordPress technical specialist with 7+ years of experience. I have successfully repaired, optimized, and secured 885+ WordPress and WooCommerce websites, helping businesses maximize speed, security, and uptime. ⚡ THE PERFORMANCE GUARANTEE: • Load times under 2 seconds. • 90+ PageSpeed Insights & A+ GTmetrix scores. • Core Web Vitals optimized for peak Google SEO. 🔧 TECHNICAL SOLUTIONS I PROVIDE: • Performance & Speed: Full optimization of server-level caching, CSS/JS minification, database tables, and image payloads. • Security & Hack Cleanup: 100% removal of malware, Japanese spam redirects, injected scripts, and Google blacklist fixes + firewall hardening. • Error Fixing & Server Troubleshooting: Direct cPanel/hPanel/CloudPanel resolution for White Screen of Death, 5xx/4xx errors, PHP crashes, and broken themes. • WooCommerce Emergency Repair: Fixing broken checkout flows, product variations, payment gateway failures, and database bottlenecks. • Zero-Downtime Migration: Flawless domain and hosting migrations, CDN deployment (Cloudflare), and strict SSL configuration. • Custom Development: High-performance, lightweight landing pages using Elementor, Divi, or native Gutenberg blocks without code bloat. 💻 SERVER & INFRASTRUCTURE EXP: cPanel | hPanel | CloudPanel | OpenLiteSpeed | Nginx | Linux File Systems | DNS & Cloudflare Routing 🧩 WHY SERIOUS CLIENTS HIRE ME: ✔ 7+ years of dedicated WordPress backend engineering. ✔ 885+ verified technical fixes, cleanups, and optimizations. ✔ Absolute transparency: Full Before/After data and security performance reports. ✔ Clean-code approach: No bloated plugins added to your server to achieve results. I don’t just "fix problems." I build stable, secure, high-performing web systems that protect your business long-term. 📩 Let’s Get Your Website Fixed Today. Click the "Hire Me" button to get an instant technical diagnostic report.
7,9
7,9
99%

Hetauda, Nepal
$50 USD saatlik
Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.

8,3
8,3
100%

Islamabad, Pakistan
$20 USD saatlik
"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

8,6
8,6
95%

Karachi, Pakistan
$25 USD saatlik
A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and maximizing profits. Whether you need your idea to be analyzed that how feasible it is, your firm to be formed or registered, multiply your revenues through a new marketing approach, expand in new markets through successful strategies, or revive from de-growth by competing with the industry giants, my professional attitude and services are available to assist you in achieving the goals. Better to be called a Business Consultant, I'm here to help you discover the answers on how to improve your Business Processes, Blueprint, Margins, Efficiency, and even Customer Satisfaction. Whether an Advisory Project or Implementation Project, I am capable of managing all the phases starting from the Preparation, Information Gathering, Data Analysis, till the deliverable of information for all the stakeholders involved. I revel in facilitating collaboration and contributing to the overall performance of each, such as Creatrox.com, as I assisted them from soup to nuts now it became a brand & generating great revenues annually. As a market analyst, I have assessed details like the economic, employment, educational, and even the ecological health of the area. I have examined local social, technology, and political issues, and determined whether those factors match your personal and financial goals and preferences. I don't settle for anything less than your very best, so connect with me!
A Network Security Consultant is a cybersecurity specialist who assesses, designs, and hardens network infrastructure to defend against intrusions, data breaches, and unauthorized access. These consultants combine deep technical knowledge of firewalls, intrusion detection systems, and encryption protocols with risk analysis methodologies to protect business-critical assets across on-premises, cloud, and hybrid environments.
A network security consultant audits your existing network, identifies vulnerabilities, and implements controls that reduce the attack surface. The work is part technical engineering, part strategic advisory. A strong consultant translates threat intelligence into practical configuration changes, policy documents, and incident response plans your team can actually maintain.
Engagements typically begin with a discovery phase, followed by penetration testing or vulnerability scanning, then remediation, and finally documentation and knowledge transfer. The output is not just a report but a measurable improvement in your security posture.
Network security consulting covers a broad set of tasks depending on the maturity of your infrastructure and the regulatory environment you operate in. Common deliverables include:
Experienced network security consultants are fluent in a layered toolkit that spans reconnaissance, defense, and monitoring. Expect proficiency with Nmap, Wireshark, Nessus, Qualys, Metasploit, Burp Suite, and OpenVAS for assessment work. On the defensive side, look for hands-on experience with next-generation firewalls, Cisco Identity Services Engine (ISE), Active Directory hardening, and modern SASE platforms such as Zscaler or Cloudflare One.
Frameworks matter as much as tools. The MITRE ATT&CK matrix, NIST Cybersecurity Framework, CIS Critical Security Controls, and the OWASP Top 10 are standard references that signal a consultant who works to recognized methodologies rather than ad hoc instinct.
Demand spans nearly every sector that handles sensitive data or runs business-critical infrastructure. Financial services firms hire consultants for PCI DSS scope reduction and fraud-prevention network controls. Healthcare providers bring them in for HIPAA-aligned segmentation and medical device isolation. SaaS companies engage them for cloud security architecture and SOC 2 readiness.
Other common use cases include manufacturing firms securing OT and ICS networks, law firms protecting privileged client data, e-commerce operators defending payment flows, and government contractors meeting CMMC requirements. Smaller businesses also hire consultants on a project basis to set up baseline protections without committing to a full-time security hire.
The right consultant brings a mix of certifications, demonstrable project history, and clear communication. Look for credentials such as CISSP, CISM, CEH, OSCP, CompTIA Security+, GIAC GSEC or GPEN, and vendor-specific certifications from Cisco, Palo Alto, or Fortinet. Verify hands-on experience with environments comparable to yours in scale and regulatory profile.
Strong portfolio markers include redacted assessment reports, sanitized network diagrams, sample remediation roadmaps, and case summaries showing how the consultant reduced specific risks. Ask for references from engagements of similar complexity.
Useful interview questions to copy and use:
Freelancer.com gives you access to a global pool of vetted cybersecurity professionals, from independent penetration testers to senior consultants with enterprise backgrounds. You can compare profiles, certifications, and verified client reviews side by side, then select the candidate whose experience matches your environment. Buyers post a project on Freelancer.com and receive competitive bids within hours, with budgets and scope set entirely by the client.
Milestone Payments protect your funds until deliverables are approved, and the platform's chat and file-sharing tools make it straightforward to scope sensitive work under NDA. Whether you need a one-time firewall audit or an ongoing virtual CISO arrangement, the freelancers on Freelancer.com cover the full spectrum of network security expertise.
Ready to harden your infrastructure against modern threats?
Hiring a network security consultant works best when the engagement is scoped tightly and the candidate's experience is matched to your environment. The process below walks through posting your brief, evaluating bids from qualified consultants, and awarding the work with confidence. Each step is designed to surface candidates who can genuinely defend your specific infrastructure.
The quality of your project brief is the single biggest determinant of bid quality. A clear, specific brief filters out generic responses and attracts consultants with directly relevant experience. Head to the
Bids are short proposals, not just price quotes. They reveal how each consultant interprets your brief, what methodology they propose, and whether their timeline is realistic for the scope. Read the proposals carefully and use the chat feature to ask clarifying questions before shortlisting.
The final decision combines proposal quality with profile evidence. Look beyond a single impressive case study and assess consistency across the consultant's project history. For network security work, the strongest signals are repeat clients in regulated industries and detailed written reviews referencing specific deliverables.
A focused vulnerability assessment can be completed in one to two weeks, while a full network redesign with segmentation, SIEM deployment, and policy work typically runs one to three months. Compliance-driven engagements like SOC 2 readiness often span longer because they require evidence collection across multiple control areas.
A penetration tester focuses on actively probing systems to find exploitable weaknesses and produces a findings report. A network security consultant takes a broader view, covering architecture, policy, monitoring, remediation, and ongoing improvement. Many consultants perform penetration testing as part of their service, but the role extends well beyond offensive testing.
Yes. Many engagements on Freelancer.com are scoped as discrete projects, such as a firewall audit, a cloud security review, or a pre-audit gap assessment. Clients frequently start with a one-off project and extend the relationship if remediation work is required.
A consultant is the right choice when you need expert assessment, design, or remediation work with a defined endpoint. A managed service provider is better suited for ongoing 24/7 monitoring and alert triage. Many businesses hire a consultant first to set up the architecture, then transition monitoring to an internal team or MSSP.
Have a high-level network diagram, an inventory of critical systems, any existing security policies, and a list of compliance obligations ready. The clearer the context you provide, the more accurate the bids and proposed approaches will be.

Freelancer Enterprise
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Freelancer API
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Bugün bir proje ilan edin ve yetenekli freelancerlardan teklifler alın
Network Security projelerinden ilham alın

Oyun.
9 gün içinde 50$ USD.

Ambalaj Tasarımı.
4 gün içinde 110$ USD.

Müzik Videosu.
12 gün içinde 300$ USD.

İç Tasarım
14 gün içinde 269$ USD.

Poster.
3 gün içinde 100$.

El İlanı Tasarımı.
1 gün içinde 15$ USD.

Konsept Tasarımı.
10 gün içinde 100$ USD.

Sosyal Gönderim.
6 gün içinde 50$ USD.
Küçük işletmelerden büyük şirketlere, girişimcilerden yeni girişimlere milyonlarca kullanıcı fikirlerini gerçeğe dönüştürmek için Freelancer'ı kullanıyor.
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89.5M
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25.8M
25.8M
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