Network Security Consultants pentru angajare
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✅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. mai puțin
Angajează pe touhidecevw
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I am a Senior DevOps Engineer and Cloud Architect with over 14 years of deep expertise in Linux System Administration and Infrastructure. Originally trained in Physics, I bring a scientific, analytical approach to solving complex IT problems—I don't just maintain systems; I understand the "physics" of how they break...I am a Senior DevOps Engineer and Cloud Architect with over 14 years of deep expertise in Linux System Administration and Infrastructure. Originally trained in Physics, I bring a scientific, analytical approach to solving complex IT problems—I don't just maintain systems; I understand the "physics" of how they break and how to make them resilient. My career has evolved from the trenches of Help Desk support to founding my own IT service agency, and now tackling global-scale cloud challenges. I am currently pursuing an MSc in Computer Engineering to bridge practical experience with advanced theory. Core Competencies: - Cloud Platforms: Microsoft Azure, AWS - Infrastructure as Code (IaC): Terraform, Ansible - Containerization & Orchestration: Docker, Kubernetes - Observability: Prometheus, Grafana, ELK Stack - OS: Deep Linux System Administration mastery Whether you need to migrate to the cloud, automate your infrastructure, or stabilize a chaotic environment, I bring the patience of a father of twins and the precision of an engineer to get the job done right. mai puțin
Angajează pe ahmadpiran
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Securitate de rețea, Testare de penetrare, Securitate în cloud, Investigații digitale, Securitatea internetuluiOffensium Vault Private Limited is an ISO/IEC 27001:2022 and ISO 9001:2015 certified cybersecurity company delivering advanced offensive and defensive security services. Our certifications validate our commitment to world-class information security and consistent service quality, making us a trusted partner for...Offensium Vault Private Limited is an ISO/IEC 27001:2022 and ISO 9001:2015 certified cybersecurity company delivering advanced offensive and defensive security services. Our certifications validate our commitment to world-class information security and consistent service quality, making us a trusted partner for businesses globally. We help startups, enterprises, and international clients secure their digital assets with industry-standard methodologies, highly skilled professionals, and a complete security lifecycle approach. We offer a comprehensive suite of services: ⭐ Our Core Cybersecurity Services ✅ Vulnerability Assessment & Penetration Testing (Web, API, Mobile – Android/iOS, Network) ✅ Red Team Operations (Adversary Simulation & Breach Testing) ✅ Blue Team Services (Defensive Monitoring & Threat Mitigation) ✅ Source Code Review & Application Security ✅ Cloud Security & Configuration Review ✅ Infrastructure Security & Hardening ✅ Container & DevOps Security Solutions ✅ Security Automation & Threat Detection ✅ Web Application Firewall (WAF) Configuration – Cloudflare & Others ✅ Continuous Vulnerability Management ✅ Incident Response & Digital Forensics ✅ Security Audits & Ongoing Consultancy ✅ Security Training & Awareness Programs ✅ Compliance Support (ISO, PCI-DSS, SOC 2, GDPR, etc.) ✅ Bug Bounty Program Management ⭐ Why Clients Choose Offensium Vault ✅ ISO 27001:2022 Certified – Highest global standard for information security ✅ ISO 9001:2015 Certified – Assured service quality & delivery excellence ✅ 100% on-time & on-budget delivery record ✅ Clear, professional reporting with actionable fixes ✅ Transparent communication and 24/7 availability ✅ Expertise across fintech, healthcare, SaaS, eCommerce & government sectors ✅ Trusted by global clients for high-risk, high-impact projects ⭐ Professional Guarantee We deliver security work with full confidentiality, structured methodologies (OWASP, NIST, OSSTMM), and verifiable certification-backed processes. Every engagement includes: ✅ Detailed VAPT report ✅ Risk ratings & CVSS scoring ✅ Mitigation guidance ✅ Retesting & verification ✅ Optional security certificate of testing completion Our client-focused approach ensures tailored solutions, actionable insights, and 24/7 support for your peace of mind. Whether you're a startup or an established enterprise, Offensium Vault is committed to safeguarding your operations, data, and reputation. Choose us for reliable, transparent, and cutting-edge cybersecurity services. Contact us today to fortify your digital defenses. mai puțin
Angajează pe offensiumvault
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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 mai puțin
Angajează pe iosifpeterfi
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sohelranaict07 sohelranaict07
$20 USD/oră
Network & Security: CISCO | FORTIGATE | JUNIPERBangladeshHello there, I am a CCNA/CCNP trainer and professional network & security expert having more than 12 years’ experience of working with multiple organizations like Bank, NGO, ISP and vendors. Following are the benchmarks I have which might be helpful for employer to get an overview and choose me to serve their...Hello there, I am a CCNA/CCNP trainer and professional network & security expert having more than 12 years’ experience of working with multiple organizations like Bank, NGO, ISP and vendors. Following are the benchmarks I have which might be helpful for employer to get an overview and choose me to serve their requirement. ✅ I have certification of CCNP (R&S), RHCSA, RHCSE and training on CCNP Sec, MTCNA, F5 ASM & LB, Linux System Security, Information Security and Cyber Forensic. ✅ I am a professional CCNA & CCNP (R&S) trainer and have simulated lot of projects in packet tracer and GNS3. ✅ During my job period I mostly worked to design and deploy network & security infrastructure of several companies. ✅ I have good knowledge and experience of working on devices of multiple OEM like Cisco, Juniper, Mikrotik, F5, Sophos, Fortinet, PfSense, SonicWall etc. ✅ I have expertise in Cisco ACI (Data Center Solution), Routing & switching, Firewall (FTD & ASA), wireless, collaboration, WSA, ESA, ISE, F5 Application Security Manager & Load Balancer, Mikrotik BW Manager etc. I will be glad if the above mentioned criteria makes you realize that I am able to meet your requirement then would like to request to have a brief discussion on your project and requirements first after that award me with the work order. I always try to keep my words given to employer and I believe it helps me a lot to deliver my work on time. Thanks with best regards, Rana mai puțin
Angajează pe sohelranaict07
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Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks...Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks quickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy mai puțin
Angajează pe ramygoda1590
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I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and...I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and switching, firewall, IPS, ISE, voice and wireless solution from my 10 years’ practical experience. I have also fluency in English and Hindi speaking. I am Expert in GNS3 and Packet Tracer. ===================================================================================== Technical Skills: Good understanding and knowledge of TCP/IP, OSI Layer. L3 technologies: RIP, EIGRP and OSPF and BGP in CISCO 800, 1900, 2900, 2800, 2800, ISR 4300, 4100, ASR 1000 series. L2 technologies: VLAN, VTP, STP, Trunking, HSRP, VRRP, SPAN, RSPAN, DHCP Snooping, Dynamic ARP Inspection, ARP ACL etc in 2900 series and L3 switches. NXOS and ACI: Configure and install CISCO nexus 9k and CISCO ACI solution like Bridge Domain, VRF, end point group tenant etc. Cisco ASA and Next Generation Firewall: ACL, NAT, Transparent Mode, Multiple context and Failover (Active/Active, Active/Standby) Site-to-Site VPN, Remote Access VPN and SSL VPN. Cisco Firepower IPS and Firepower Management Center (FMC): ACL, NAT, Intrusion policy, AVC, Malware & File Policy, Site-to-Site VPN, Remote Access VPN and SSL VPN etc. F5 Load Balancer and ASM: Installation and configure F5 BIG-IP Local Traffic Manager (LTM) load balancer and Application security manager. CISCO CUCM: Install and configure Cisco Unified Communication Manager 9.0 and 12.4. Mikrotik Router: OSPF, BGP, NAT, DHCP, L2TP, IPSEC, PPP, Firewall etc CISCO WEB and Email Security Appliance: Install and configure CISCO ESA and WSA So you are requested to first discuss the project and requirements and after being satisfied please awarded me with the work. And definitely work will be delivered in time and in best quality. Thanking You Kazi mai puțin
Angajează pe rifat0103
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hello, I am a Cisco Certified Internetwork Expert CCIE#46063 R&S with a UK based education , I have 13 years of extensive IP networking experience, designing, implementing and supporting large service provider networks as well as enterprise networkshello, I am a Cisco Certified Internetwork Expert CCIE#46063 R&S with a UK based education , I have 13 years of extensive IP networking experience, designing, implementing and supporting large service provider networks as well as enterprise networks mai puțin
Angajează pe ccie7
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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.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. mai puțin
Angajează pe udayarpandey2022
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Securitate computer, Securitate web, Securitatea internetului, Testare de penetrare, Hacking etic certificatCybersecurity consultant specializing in penetration testing, offensive security, cloud and application security, SOC/SIEM implementation, and ISO 27001 readiness. Expert-level certified with OSCE³, OSED, OSWE, OSEP, OSCP, CISSP, CNVP, PenTest+, and Security+. Published multiple CVEs for real-world vulnerabilities,...Cybersecurity consultant specializing in penetration testing, offensive security, cloud and application security, SOC/SIEM implementation, and ISO 27001 readiness. Expert-level certified with OSCE³, OSED, OSWE, OSEP, OSCP, CISSP, CNVP, PenTest+, and Security+. Published multiple CVEs for real-world vulnerabilities, including CVE-2024-8784, CVE-2024-8945, CVE-2024-8867, CVE-2024-9030, and CVE-2025-3219, demonstrating strong research and testing capability. Providing penetration testing, SOC/SIEM setup, cloud/application security assessments, ISO 27001 support, secure architecture reviews, and vulnerability research - all delivered with clear findings, actionable remediation guidance, and measurable security improvements. As a Security Lead at Bytium LLC, I bring technical leadership, professional experience, and a high standard of cybersecurity practice to every engagement. Let’s work together on your next project. mai puțin
Angajează pe bfella
