Computer Security Consultants do zatrudnienia
Wyświetlono 145 wyników
Wykonawcy sponsorowani
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Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive mniej
Zatrudnij iosifpeterfi
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Pisanie artykułów popularnonaukowych, Pisanie artykułów technicznych, Pisanie raportów, Pisanie artykułów, Projektowanie UMLMaster’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, 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 mniej
Zatrudnij OWINOKAMAU
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touhidecevw touhidecevw
$60 USD / godzinę
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. mniej
Zatrudnij touhidecevw
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Testy penetracyjne, Informatyka śledcza cyfrowa, Bezpieczeństwo komputerowe, Pisanie artykułów technicznych, Doradztwo kryminalistyczneI am a Cybersecurity, Digital Forensics, and Threat Intelligence professional with extensive experience supporting Law Enforcement, corporate security teams, legal counsel and high risk private investigations. I specialize in handling complex, sensitive, and technically challenging cases ranging from cybercrime and...I am a Cybersecurity, Digital Forensics, and Threat Intelligence professional with extensive experience supporting Law Enforcement, corporate security teams, legal counsel and high risk private investigations. I specialize in handling complex, sensitive, and technically challenging cases ranging from cybercrime and financial fraud to advanced infrastructure OSINT, cloud security assessments, and forensic malware analysis. My work spans end-to-end digital investigations, incident response, and security testing across Web, Mobile, and critical infrastructure. I combine deep technical capability with defensible reporting standards, ensuring every engagement produces clear, actionable, and legally sound intelligence. Recent engagements include: • OSINT & Infrastructure Mapping of mirrored domain networks, CDN/proxy-shielded assets, and cross-platform digital footprints • Grey-box Application & API Security Assessments using commercial toolsets and structured re-validation cycles • Malware & Ransomware Behaviour Analysis, forensic triage, and evidence acquisition across Windows, Linux, and cloud workloads • Telegram OSINT, account attribution, and disruption-oriented investigations • Remote compromise investigations involving lateral movement, clipboard-based file drops, and email access • CCTV/Wireless Network Security Testing, IoT risk evaluations, and hardware-linked forensic collection • Digital evidence reconstruction for violent-crime video analysis, fraud, and identity misuse cases. Core Expertise • Digital Forensics & Evidence Recovery • Incident Response & Malware Behaviour Analysis • Cybercrime, Financial Fraud & Threat Attribution • OSINT, Infrastructure Recon & Digital Footprint Mapping • Penetration Testing (Web, API, Mobile, Cloud & Wireless) • Secure Architecture Reviews (On-Prem & Cloud) • Cloud Security (GCP, Kubernetes) • Forensic Reporting & Legal Documentation Support My mission is to translate complex technical investigations into clear, strategic outcomes whether restoring organizations after a targeted breach, exposing and documenting coordinated cyber threats, supporting law enforcement with defensible evidence, or strengthening security environments to prevent future attacks. mniej
Zatrudnij kajal1992
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. mniej
Zatrudnij AwaisChaudhry
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engkarimismail engkarimismail
$50 USD / godzinę
✅ Senior Network & System Engineer | Security|VOIPMalaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva mniej
Zatrudnij engkarimismail
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Bezpieczeństwo komputerowe, Pisanie artykułów technicznych, Pisanie artykułów popularnonaukowych, Cisco, Administracja sieci|==> 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...|==> 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 mniej
Zatrudnij rozeny2k
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With over 10 years of experience in cybersecurity, I specialize in protecting businesses and individuals from cyber threats. I've worked across industries such as finance, healthcare, and retail, helping clients secure their digital infrastructure with tailored solutions. What I Can Do for You: Web Application...With over 10 years of experience in cybersecurity, I specialize in protecting businesses and individuals from cyber threats. I've worked across industries such as finance, healthcare, and retail, helping clients secure their digital infrastructure with tailored solutions. What I Can Do for You: Web Application Penetration Testing I uncover vulnerabilities like SQL injection, cross-site scripting (XSS), and authentication flaws, ensuring your web applications are secure from attacks. Network Security Assessments I assess your network infrastructure, identifying weaknesses in firewalls, routers, and internal systems to prevent unauthorized access and data breaches. Cloud Security Audits I review your cloud setup to ensure proper configurations, access control, and encryption, keeping sensitive data secure. API Security Testing I help secure your APIs by identifying vulnerabilities like broken authentication, authorization flaws, and data exposure. Mobile Application Security Testing I analyze your mobile apps for security issues, such as insecure data storage and weak encryption, ensuring a safe experience for your users. Forensics & Malware Analysis I investigate suspicious activity and malware across networks, PCs, and mobile devices. My forensic analysis helps track and eliminate threats while providing insights into how the attack occurred and how to prevent future breaches. Vulnerability Scanning & Reporting I provide thorough vulnerability scans and deliver detailed reports with prioritized recommendations, helping you fix issues efficiently. Security Hardening I implement best practices in secure coding, encryption, and multi-factor authentication to protect your systems from future attacks. Compliance & Risk Assessments I ensure your business meets industry compliance standards, such as GDPR, HIPAA, and PCI DSS, while improving your overall security posture. Why Clients Choose Me: Proven Expertise With over 10 years of experience, I’ve secured businesses of all sizes and industries, delivering real results that prevent cyberattacks and strengthen defenses. Tailored Solutions Every business has unique security needs, and I customize my services to fit your specific requirements, ensuring the best protection. Actionable Reporting I don’t just identify risks—I provide easy-to-understand, actionable recommendations so you can address vulnerabilities immediately. Ongoing Support I offer continuous support and guidance, helping you stay ahead of evolving threats and ensuring your security remains strong. Let’s Work Together: Whether you need penetration testing, forensic investigation, malware analysis, or ongoing security assessments, I’m here to help. Let’s discuss how I can provide tailored security solutions to protect your business from cyber threats. mniej
Zatrudnij ahad47
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hassanarshad92 hassanarshad92
$15 USD / godzinę
Content Writer ✅ Research Analyst ✅ Copywriter ✅PakistanYour One-Stop Solution for Research, Writing & Strategic Content Creation High-quality research, persuasive content, and strategic insights—all of this under one window. Now, you have come to the right place. I assure you that my unique blend of data-driven analysis and research expertise will perfectly meet your...Your One-Stop Solution for Research, Writing & Strategic Content Creation High-quality research, persuasive content, and strategic insights—all of this under one window. Now, you have come to the right place. I assure you that my unique blend of data-driven analysis and research expertise will perfectly meet your expectations. As a professional Research Analyst, Content Writer, Copywriter, and Market Research Expert, I help businesses, professionals, and startups stand out and succeed. Here is everything I can and am willing to offer: Research & Analysis – Taking it from in-depth financial and qualitative research to cutting-edge market insights, I craft thorough reports, proposals, and feasibility studies that support intelligent decision-making. Business & Marketing Strategy—Do you Need a business plan, company profile, or pitch deck that will win over investors? I create professional, well-researched, and visually engaging content to uplift your brand (and its products/services, as well, obviously). Writing that Converts & Engages – Whether it’s SEO-optimized web content, LinkedIn profiles, blog articles, press releases, or social media posts, I write with clarity and persuasion which fits best in terms of audience engagement. Academic & Professional Writing – Developing theses, dissertations, research proposals, and reports plus a proficient expertise with quantitative tools such as; SPSS analysis and industry-specific insights. Creative & Script Writing – Need compelling video scripts, podcast scripts, or e-books? I bring storytelling magic to your brand and content strategy. Just convey your thoughts and I’ll put them over in pleasant words. AI & Digital Content – Optimized writing for Web 2.0 platforms (Quora, Reddit, Pinterest), engaging infographics, and high-quality AI voiceovers. You might think that why should you work with me? So here is your answer Data-driven & Insightful expertise backed by strong research skills; I deliver factual, well-structured content. Truly SEO & Engagement- Focused on working dynamically with maximized online visibility and audience engagement. 100% Original & Tailored Content with no fluff, just content that resonates and delivers results. Deadline-Oriented & Reliable working ethics, and your project will be delivered on time, every single time. With access to paid online suites, I dedicate my work to fully complying with industry standards. My library of tools includes Turnitin, Copyleaks, Grammarly, and so on. Feel free to rely on my work without fearing plagiarism or AI detection. Let’s turn your vision and expectations, most importantly, into compelling content, whether verbal or written! Whether you're an entrepreneur, researcher, or content-driven brand, I’m here to help. Let’s connect and create something impactful together! mniej
Zatrudnij hassanarshad92
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I’m Brayan Arias — known by my clients as ⭐ The Coding Machine ⭐. I’m a Senior .NET Developer from Colombia with 10+ years of experience building powerful, scalable, and intelligent software solutions. My expertise spans the Microsoft ecosystem — from .NET (WPF, MAUI, Blazor, ASP.NET Core) to Azure cloud...I’m Brayan Arias — known by my clients as ⭐ The Coding Machine ⭐. I’m a Senior .NET Developer from Colombia with 10+ years of experience building powerful, scalable, and intelligent software solutions. My expertise spans the Microsoft ecosystem — from .NET (WPF, MAUI, Blazor, ASP.NET Core) to Azure cloud integration, AI-powered applications, and system-to-system integrations that help businesses automate, optimize, and grow. I pride myself on clear communication, clean architecture, and delivering solutions that delight clients and make a measurable impact. Whether you need to modernize a legacy app, integrate Azure services, or leverage AI to enhance productivity, I’m ready to bring your vision to life. Let’s build something amazing together — reliable, intelligent, and designed to impress. mniej
Zatrudnij brayanstiven5
