Seguridad de Redes Jobs

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Project Overview We are looking for an experienced AI Automation / Full-Stack Developer to build a self-hosted AI Business Operating System that automates email management, CRM, sales, marketing, customer support, and business workflows. This is a long-term project with multiple milestones. Phase 1 – Infrastructure Install and configure: Debian 12 Webmin Docker & Docker Compose Nginx SSL (Let's Encrypt) PostgreSQL PGVector Redis Python Node.js Git n8n Ollama Claude API OpenAI API Automated backups Monitoring Phase 2 – AI Knowledge Base Create a searchable AI knowledge base that can ingest: Websites PDFs Word documents Excel files SOPs Product catalogs Pricing Technical manuals Features: OCR Document parsing Chunking Metadata Embeddings Version control PostgreS...

I need assistance setting up a VPN and a Windows-based file server, along with creating an information security plan. Key Tasks: - VPN Setup: Configure VPN server and client, and manage user access control. - File Server Setup: Set up a Windows file server. - Security Plan: Develop a robust information security plan. Ideal Skills: - Experience with VPN and Windows file servers. - Strong knowledge in information security. - Familiarity with user access control and configuration tasks.

I have a single Google Cloud VM that serves both my application (Nginx) and its database. I’d like to harden it by adding a cloud-native firewall layer and turning on full traffic visibility. Here’s the scope: • Use GCP’s built-in VPC firewall (no third-party appliances) to create the rule set. • Configure it so that every ingress and egress packet is logged to Cloud Logging; I want to be able to audit both directions at any time. • Rules must allow normal web, SSH and internal DB traffic but block anything unnecessary, following least-privilege principles. • Deliver a brief summary or screenshot set that shows the rules, their priorities, and where the logs are flowing so I can replicate the setup later if needed. If you’ve already done...

I’m ready to move my career into cybersecurity, specifically application security, and I’m looking for a mentor who can guide me step-by-step. My goal is to understand secure coding practices, common web and mobile vulnerabilities, and the tools we use to detect and remediate them—everything from static analysis scanners to OWASP testing methodologies. Because I learn best through conversation and immediate feedback, I’d like live, one-on-one sessions, ideally once or twice a week, with practical homework in between. I already have a solid general IT background, so you can dive straight into topics such as threat modeling, secure SDLC integration, and real-world vulnerability triage. Deliverables I’d like to see: • A personalized learning roadmap ...

I need a cyber expert who has the skills to track someone

I need a RabbitMQ support engineer for setup and configuration in a hybrid environment. Key Tasks: - Configure RabbitMQ on both on-premise and cloud platforms - Ensure secure and efficient communication between hybrid nodes - Provide documentation for the setup Ideal Skills: - Experience with RabbitMQ in hybrid environments - Proficiency in at least one cloud provider (AWS, Azure, or Google Cloud) - Strong networking and security knowledge Please share your relevant experience and approach.

I am completing Binance’s KYB process and their detailed security questionnaire is the last hurdle. The form dives deep into Network, Application, and Data security, yet my current posture is only at a “basic measures in place” level. I need an experienced security professional to step in, translate the questionnaire into clear action items, and guide me through every answer so it passes Binance’s review the first time. Beyond simply filling the form, I also want a concise remediation plan that closes any gaps you uncover. Expect to look at firewall rules, segmentation, secure coding practices, encryption at rest / in transit, access controls, logging, and incident-response playbooks—anything necessary to elevate those basic controls to a standard Binance wil...

I need a forensic expert to analyze network traffic for suspicious activity, with a focus on compromised web data. Key Tasks: - Monitor and analyze network traffic, both internal and external. - Identify and investigate indicators of compromise, particularly web data breaches. - Provide detailed reports on findings and recommendations for securing vulnerabilities. Ideal Skills and Experience: - Expertise in network forensics tools (e.g., Wireshark, Snort). - Strong understanding of web protocols and traffic patterns. - Experience in identifying and mitigating security threats. - Ability to produce clear, actionable reports. Looking for a professional who can help enhance our security posture. Loooking to have a background in iPhone and cell security.

Our worksite inside Newark Liberty International Airport (EWR) is suffering repeated network drop-outs that disrupt daily operations. I need an experienced IT technician who can come on-site, trace the root cause of the connectivity issues, and get every device reliably back online right away. Here is what the visit will involve: • Diagnose the physical and logical network path from ISP hand-off through our switch rack and out to several workstations and VoIP phones. • Identify and correct cabling, switch, router, or configuration faults responsible for the disconnections. • Validate stability once fixes are applied and supply a brief post-visit report outlining what you found and how you resolved it. You should be comfortable working around standard enterprise gear (...

I need a hands-on walkthrough that shows, step by step, how to build a secure cloud architecture for a web application inside the AWS Academy environment. My main goal is to demonstrate best-practice design rather than spin up a finished production stack, so the focus stays on core security concepts and the reasoning behind each service choice. Scope • Start with a high-level diagram of the target architecture, then move into an AWS Academy lab where you actually provision the components. • Incorporate essential services such as VPCs with public/private subnets, Application Load Balancer, Auto Scaling groups, RDS/Aurora in a private subnet, and AWS WAF/Shield for edge protection. • Highlight how each layer—network isolation, identity management (IAM roles/polici...

Preciso resolver falhas recorrentes na rede do meu ambiente de trabalho e quero contar com um técnico de T.I. especializado em manutenção de rede. O foco principal é diagnosticar a causa raiz dos problemas de conectividade e desempenho, apresentar a solução e aplicá-la de forma eficiente. Escopo do trabalho • Levantar rapidamente o estado atual da infraestrutura (cabeamento, switches, roteadores, pontos de acesso e configurações). • Executar diagnóstico detalhado, documentando sintomas, causas prováveis e testes realizados. • Entregar um relatório claro com a causa raiz e o plano de correção. • Implementar as correções aprovadas, validar com novos teste...

A complete security evaluation of my digital environment is required, carried out under strict ethical-hacking guidelines. The assignment covers scoping the targets with me first, launching controlled attacks to uncover real-world vulnerabilities, and then documenting every finding with proof-of-concept steps, risk ratings, and practical remediation advice. All testing must remain within the agreed boundaries and comply with legal standards. I will supply the necessary access details and any supporting documentation once we sign an NDA. The final deliverable is a concise yet comprehensive report that I can hand directly to my development and operations teams. Success is measured by: • depth and accuracy of the vulnerability coverage • clear reproduction steps for each issue...

I provide professional Vulnerability Assessment and Penetration Testing (VAPT) services for web applications, APIs, and network environments. My testing follows the OWASP Web Security Testing Guide and industry best practices to identify security vulnerabilities before they can be exploited. Services include: * Web Application Penetration Testing * API Security Testing * Authentication & Authorization Testing * Business Logic Testing * OWASP Top 10 Assessment * SQL Injection, XSS, CSRF Testing * File Upload Security Testing * Security Headers & Misconfiguration Review * Sensitive Information Disclosure Assessment * Session Management Review Tools Used: Burp Suite Professional, Nmap, Nuclei, OWASP ZAP, ffuf, httpx, and manual testing techniques. Deliverables: * Executive Summar...

I have just completed an in-place migration of Sonatype Nexus Repository Manager from 3.70 to 3.93. The service is online and the UI loads normally, yet every developer now receives “permission denied” messages when they try to pull from or publish to our Maven, npm, and Docker repositories. At this point I am not entirely sure whether the problem lies in role mappings, privilege inheritance, or another post-upgrade quirk, so I need someone with deep Nexus experience to jump in, diagnose the root cause, and restore seamless access. What I expect you to do: • Review and correct all roles, privileges, and repository targets so authenticated users can reach the appropriate Maven, npm, and Docker endpoints. • Validate access locally from a clean workstation by per...

Saya sedang mencari seorang profesional di bidang Teknologi Informasi yang berpengalaman sebagai Admin Jaringan. Fokus utama saya adalah kenyamanan dan kestabilan sistem, jadi saya membutuhkan seseorang yang dapat: • Memantau dan memelihara infrastruktur jaringan (router, switch, firewall) agar tetap andal dan aman. • Menangani troubleshooting ketika terjadi gangguan koneksi, latency, ataupun isu keamanan. • Menyusun dokumentasi konfigurasi jaringan serta prosedur pemulihan (backup & restore) yang jelas. • Memberikan rekomendasi peningkatan performa dan keamanan sesuai best practice. Saya menghargai komunikasi yang responsif dan solusi yang praktis. Beri tahu pengalaman Anda menangani jaringan skala kecil-menengah, tool yang biasa digunakan (mis. MikroTik,...

Need raspberry Pi developer to establish pi4 and pico w connectivity as wifi remotely and act as a mouse to raspberry pi

I need a working SIP-edge on an Ubuntu 22 / 24 VM that lets MicroSIP register over TLS even in networks where standard SIP/VoIP traffic is blocked. The edge will terminate the TLS leg, proxy the signalling to my existing VoIP switch over plain UDP, and keep media flowing through RTP Engine. What I will provide • A clean VM (public IP, sudo access) • SIP account details for registration tests • Any public cert/key material you need for stunnel or Kamailio TLS Scope of work – Install and configure Kamailio as the front-end SIP proxy. – Enable TLS support so MicroSIP can register and place calls securely. – Use RTP Engine to anchor media and make sure audio is two-way. – Deploy stunnel (or an equivalent TLS wrapper) if it...

I need an experienced ethical hacker to dive into my own site, replicate real-world attacks, and help me understand exactly what an intruder could see or do. Your primary target is the server configuration—service versions, mis-configs, exposed keys, insecure file permissions, anything that could let someone slip inside. Once we agree on terms I will supply written authorization, domain details, and any credentials you need. I would like an initial pass and high-level findings as soon as you can manage, followed by a fuller report that: • Lists each weakness you confirm • Shows clear proof-of-concept steps (screens, commands, logs) • Recommends concrete fixes in plain language A short debrief call to walk through the results and prioritise remediation would...

I have a requirement at a client site and need an experienced network engineer who can be on-site, diagnose the issue, restore full connectivity and be out the door within the agreed 4–8 hour window. Your own laptop and standard tool kit are required, and you should be completely comfortable working solo with routers, TCP/IP, DHCP, DNS and general LAN/WAN fundamentals. On arrival you will meet the local contact, isolate the fault on the router, apply the necessary fix or configuration change, verify that traffic is flowing correctly and then document what you did. Because the job is time-critical I’m looking for someone who can commit to an ASAP visit and stick to the same-day service-level agreement. Deliverables I expect from you before you leave the site: • Restore...

I am seeking a professional to secure my iPhone, Smart TV, and other digital equipment against unauthorized access and manipulation. The project involves setting up effective security measures and providing ongoing monitoring to ensure the safety of my devices. I have screenshots of some of the manipulation occurring for reference. The ideal freelancer should have expertise in network security, digital forensics, and penetration testing. My budget is $15-$25 per hour or a lump sum starting at $250, depending on the approach.

I need help completing the last step of securing a Windows Server that hosts a single website on IIS. The certificate authority has already issued a single-domain SSL and I have all related files (.crt/.cer, private key, and intermediate chain) ready to provide. Your task is to import the certificate, configure the HTTPS binding in IIS, install any required intermediate certificates, and confirm that the site serves cleanly over HTTPS. If a simple HTTP-to-HTTPS redirect is advisable, please set that up as well. We can run the process together over a brief remote session (AnyDesk, Zoom, or similar) so credentials stay on my end. Acceptance criteria • The site loads over https without browser warnings and receives a clean report on SSL Labs (no hostname or chain errors). Let me kno...

I need an engineer who already feels at home with the IEC60870-5-104 telemetry stack to build and fine-tune a Windows-based server that will stream real-time data from our power-plant generators. The job is centred on live monitoring, so low latency, reliable packet handling and solid time-stamping are critical. You will install, configure and secure the server, connect it to the existing generator IEDs, and prove that the data flows continuously to the SCADA front-end without drops or mismatches. Please include parameter tuning (t0, t1, t2, k, w, etc.), TLS or VPN set-up if you normally deploy it, and clear operator documentation. Acceptance criteria • Generator measurements visible on the supervisor console with ≤1 s delay • All test points pass IEC conformance diagnos...

Saya membutuhkan bantuan jarak jauh untuk menyelesaikan masalah konektivitas internet pada jaringan kami. Lingkup pekerjaan meliputi: • Mendiagnosis penyebab utama putus-sambung atau lambatnya koneksi • Meninjau konfigurasi router, switch, dan access point yang sudah ada • Memberikan panduan penyesuaian parameter (DNS, DHCP, routing, QoS, atau VLAN bila relevan) • Menguji hasil perubahan sampai koneksi stabil kembali • Menyusun catatan langkah pemecahan masalah agar dapat diulang oleh tim internal di masa depan Lingkungan kami menggunakan perangkat jaringan umum berbasis web interface; akses admin dapat diberikan secara aman melalui sesi remote. Saya mengutamakan solusi praktis yang dapat segera diterapkan serta dokumentasi singkat dan jelas. Jika Anda be...