Network Security Jobs

I need support planning and configuring a pair of Hirschmann EAGLE40 firewalls that will run in transport mode at the edge of our industrial backbone. The goal is to gain precise control over internal business traffic, with carefully structured firewall rules and tight network-access control that fit the topology of our production network. You will start by reviewing our existing Layer-3 design and proposing how the EAGLE40s should be positioned, including any VLAN or routing adjustments required for seamless transport-mode operation. From there, I expect a complete rule set that segments departments, limits east-west traffic, and blocks any unauthorized protocols while leaving room for future growth. Network Access Control must be enforced through the firewall’s native feature set,...

I'm seeking a digital forensic expert to investigate my and my wife’s Apple ID, iPhone, and iCloud activity. The goal is to identify associated devices, review account access and security changes, detect unauthorized activity, and provide an independent forensic report. Key Tasks: - Confirm Apple account takeover/hack - Identify and list all linked devices - Review and document any changes to settings, including proof of device login and location - Detect and report on any unauthorized access - Provide geo-locations of all Apple device logins during the past two months - Analyze both accounts for unusual activity logs and syncing issues Ideal Skills and Experience: - Expertise in digital forensics, particularly with Apple products - Experience with Apple ID and iCloud security...

As we prepare to launch our online-security startup, I need a seasoned penetration tester to run a full-spectrum assessment that spans network, web and mobile layers. The scope touches every corner of our stack—cloud resources, the internal LAN, and the publicly exposed perimeter—so you’ll be diving into each environment with equal depth. Primary objectives • Expose and document vulnerabilities before launch • Provide clear, actionable fixes that bring us in line with relevant compliance frameworks • Cross-check findings with our in-house AI analytics so we can validate security controls continuously Deliverables • An engagement plan outlining tools, timelines and test boundaries • Hands-on testing covering: – Network infrastru...

My production Windows server has gone silent—no RDP, no web console, nothing. I still hold full ownership credentials with the hosting provider, so authorized recovery options (rescue console, snapshot-based rollbacks, etc.) are available. I need a seasoned Windows system administrator or security professional to get the box responsive again, verify integrity, and lock it down. The core goals are simple: • Diagnose why the server is unresponsive and revive it through approved rescue or recovery tools • Regain normal administrator access without breaching provider policies • Audit current services, patch levels, startup items, and event logs • Implement practical hardening steps (firewall rules, updates, backup checks) and explain what was changed Please...

I'm seeking an experienced hardware designer to create and manufacture a face recognition-based attendance terminal. The system should be built on the 8M Plus from NXP and run on a Linux platform. Key Requirements: - 5-inch color LCD touchscreen - Dual-camera setup (RGB + IR) for live face detection - LAN and Wi-Fi connectivity - Advanced encryption for high security - 4G and 5G module integration from qua tel - Input and outputs for Access control - Card Reader - Built-in battery back-up Ideal Skills: - Experience with NXP processors - Proficiency in embedded Linux-based systems - Knowledge in camera integration and security protocols - Hardware design and manufacturing experience - Designing the drivers and firmware with UI design experience Please provide a portfolio showcas...

Need a person well versed in LAN and making my systems secure from outsiders accessing it or not allowing any remote access. Also need an audit of my system Using windows and has some softwares More details: What type of systems are you using? Windows What specific security measures are you interested in? Firewall configuration, User access control Do you need to secure any specific applications or software? Database systems Preference: Looking specifically for a freelancer based in India.

I'm seeking an expert to help resolve an issue where my emails sent via Microsoft Exchange/Outlook are being tagged as spam. I also cannot successfully send emails out. Key Requirements: - Diagnose and fix the spam tagging issue - Configure or verify SPF, DKIM, and DMARC records Ideal Skills and Experience: - Strong knowledge of Microsoft Exchange/Outlook - Experience with email authentication protocols (SPF, DKIM, DMARC) - Proven track record in resolving email deliverability issues

Job Title: Freelance Network Engineer – One-Day Onsite Support Location: Onsite (Customer Site) Duration: 1 Day Job Summary: We are looking for an experienced Freelance Network Engineer to provide onsite support for a scheduled network activity at a customer location. The engineer will work alongside the remote technical team to perform network-related tasks and assist with implementation activities. Responsibilities: Arrive onsite at the scheduled time and coordinate with the customer contact. Provide hands-and-eyes support to the remote engineering team. Rack, stack, mount, or unmount network equipment if required. Connect, disconnect, and label network cables. Perform basic network troubleshooting and diagnostics. Access devices through console connection when requested. Capt...

I need a new Kamailio setup primarily for VoIP call routing. This setup should support SIP and WebRTC protocols. Key Requirements: - Configure Kamailio for VoIP call routing - Support for SIP and WebRTC protocols - Detailed documentation of the setup Ideal Skills and Experience: - Expertise in Kamailio - Strong knowledge of VoIP, SIP, and WebRTC - Experience with system configuration and documentation

I can’t get into my GoDaddy cPanel at all. Every time I try, the login page simply refuses to open. I’ve already cleared my browser cache, but that hasn’t helped, and I haven’t made any recent changes to DNS, hosting plans, or credentials. I need someone who can jump in quickly, diagnose what’s blocking the connection (whether it’s an account-side lock, server misconfiguration, firewall or IP block), and restore normal access. If direct server-side work is required, I’ll provide temporary credentials or initiate a GoDaddy support PIN as soon as you outline the safest way to proceed. Deliverable: • Functional access to my cPanel with a brief note of what was fixed so I can avoid the same issue later.

Our team can still open the company account because the browser keeps us signed-in, but we no longer have the password or recovery details. I already walked through the standard recovery prompts and exhausted the obvious “forgot password” routes without success, so I need a deeper, policy-aware approach. Here is what I’m looking for you to handle: • Extract or reset the credentials in a fully legitimate, terms-compliant way so we regain normal sign-in capability on any device. • Review the browser’s saved data, session cookies, and any profile policies that might help or that could block the process. • Document every step and setting you touch so I can reproduce it if the account ever locks again, and so I have a clear audit trail for managem...

I need a thorough penetration test focused exclusively on phones, with coverage for both Android and iOS devices. The goal is to identify real-world attack paths, verify exploitability, and provide clear, actionable remediation guidance. I expect you to approach this as a black-box engagement that mirrors an external attacker’s perspective, diving into areas such as code weaknesses, insecure storage, improper platform usage, and over-permissive network calls. Please plan to use industry-standard tooling and methodology—think OWASP Mobile Top 10 checks with MobSF, dynamic analysis through Burp Suite or mitmproxy, runtime instrumentation via Frida, and network traffic inspection with Wireshark—while documenting every finding with proof of concept evidence and reproducible ...

I have a Hetzner server standing by and a bundle of configuration files that are already final—no tweaks, edits, or refactoring required. What I need is a smooth, verifiable hand-off from my local machine to the correct paths on the server. Here’s the flow I’m after: • Establish an SSH session (key-based access is ready). • Transfer each configuration file to its proper directory, preserving ownership and permissions. • Reload or restart any affected services so the new configs take effect immediately. • Confirm there are no syntax errors or failed services once the reload is complete. The files cover the usual suspects—think web, database, or application layers—though again, they’re all prepared and tested; this job is stri...

Freelancer Proposal: Social Media & Account Recovery Investigation Client Name: Joshua Cornett Timeline: Three weeks from receipt of purchase order Budget: Approximately $2,500 Project Overview I am seeking an experienced cybersecurity or digital forensics specialist to recover and secure multiple compromised accounts and investigate unauthorized access across platforms. Affected Accounts & Systems - Multiple Microsoft accounts linked to my Gmail account - Outlook account associated with a specific domain - Amazon account - Contacts and digital business cards (BCF cards) - Other connected services or linked applications Scope of Work 1. Account Recovery Assistance - Recover access to all affected accounts - Remove unauthorized users, emails, or ...

I need a seasoned ethical hacker to probe my public-facing web applications and surface every weakness before attackers do. The core goal is to identify vulnerabilities; no remediation work is required at this stage, but I do want clear, reproducible evidence for each flaw. Scope The assessment must cover the full web stack—front-end, back-end, APIs and any server-side components tied to the apps. Automated scanning is fine as a first pass, yet I expect you to validate every finding manually and look beyond scanner results for business-logic or access-control issues. High-priority findings Please focus your efforts on: • SQL injection • Cross-site scripting (XSS) • Cross-site request forgery (CSRF) You are free to uncover and report additional issue type...

I’m looking for help drafting a concise, well-structured 2–3 page paper that examines Network Infrastructure within a specific technology-infrastructure scenario I provide. The piece is meant for students, so the tone should be clear, instructive, and free of heavy jargon while still demonstrating sound technical understanding. You will receive the scenario details as soon as we start; your task is to analyze that situation, explain the relevant network components and how they interconnect, and walk the reader through the implications or challenges that arise. Please weave in fundamental concepts—topology choices, bandwidth considerations, redundancy, and any other factors the scenario naturally raises—without turning the paper into a generic overview. Deliverab...

I need end-to-end TLS enforced between my internet-facing Nginx reverse proxy and the API service running inside a Kubernetes pod. The service is already exposed over HTTPS and uses a certificate issued by a trusted CA, but right now encryption is terminated at the proxy; traffic from Nginx to the pod still rides plain HTTP. The task is to adjust the Nginx and Kubernetes manifests so that: • Nginx re-encrypts (or directly passes) requests to the pod over HTTPS only. • The existing trusted-CA certificate chain is presented without breaking current clients. • Health checks and readiness probes keep working after the switch. I’ll grant access to the current Nginx configuration, the deployment YAMLs, and a staging cluster so you can test safely. A concise set o...

I’m ready to move our 75-user environment (50 in the head office, 25 in a branch) from scattered workstations to a properly structured Windows Server platform and I need someone who can be on-site in Bangalore right away. The job covers the full cycle for a one-week engagement: • Install and configure a current Windows Server edition you feel is most suitable for our workload and licensing plan. • Migrate our existing workstation-based applications onto the new server, ensuring every user can log in and work exactly as before. • Design and deploy a secure VPN so both branch staff and work-from-home users connect seamlessly. • Centralise data storage, set up automated backups, and document the recovery procedure. • Analyse the requirements, size the h...

I am running Calabrio Quality Management (now branded under Verint) on-premises at version 11.5 and need an expert to move us to a newer build. I have narrowed the target to a specific release above 11.5—currently 11.5.94—but I may refine that once we review the release notes together. Your scope will cover the complete upgrade lifecycle: • Perform a clean, tested upgrade of the existing 11.5 environment to the agreed-upon version. • Install and validate the required security certificates so every service starts without trust errors. • Re-configure integration with our Active Directory for seamless single sign-on. • Change the Calabrio servers to a new Windows domain while preserving all call recordings, QM data, and historical reporting. I will sup...

Fortinet Firewall Implementation Onsite Engineer Location: UAE (Onsite) Contract of this project: 4 Months Experience Required: 7+ Years Preferred Budget: AED 15,000 – 18,000 per month Notice Period: Immediate freelancers Job Summary We are looking for an experienced Fortinet Firewall Implementation Engineer to support a large-scale onsite deployment and migration project in the UAE. The ideal candidate should possess strong hands-on expertise in Fortinet security solutions, including FortiGate Firewalls and FortiAnalyzer. Candidates with additional experience in FortiManager will be highly preferred. The engineer will be responsible for firewall implementation, migration, configuration, optimization, troubleshooting, and support activities while working closely with client stak...

Fortinet Firewall Implementation Onsite Engineer Location: UAE (Onsite) Client: Dell Technologies Employment Type: Contract Project Duration: 4 Months Experience Required: 7+ Years Preferred Budget: AED 15,000 – 18,000 per month Notice Period: Immediate to 30 Days Job Summary We are looking for an experienced Fortinet Firewall Implementation Engineer to support a large-scale onsite deployment and migration project in the UAE. The ideal candidate should possess strong hands-on expertise in Fortinet security solutions, including FortiGate Firewalls and FortiAnalyzer. Candidates with additional experience in FortiManager will be highly preferred. The engineer will be responsible for firewall implementation, migration, configuration, optimization, troubleshooting, and support activit...

I want someone to do my uni's tcp icp project

I need help setting up a solution to hide my location while using Remote Desktop on Windows and Duo app to log into applications. Key Requirements: - Must work without administrative access - Should be reliable for daily remote work Ideal Skills: - Experience with VPNs or similar tools - Familiarity with Remote Desktop and Duo security protocols

I’m looking to commission a complete, beginner-friendly CompTIA Security+ study program that I can take entirely online. By the end of the course I want to feel confident booking the SY0-601 exam, so the content needs to walk me through core foundations before progressively diving deeper. Scope of content Please build the syllabus around these three pillars, weaving in practical examples, quizzes, and labs so I continuously apply what I learn: • Network security • Threats and vulnerabilities • Identity and access management Delivery expectations • Self-paced video lessons (screen-share plus on-camera explanations work best for me). • Downloadable slide decks and quick-reference cheat sheets. • Hands-on labs that run in a browser or free...

I'm seeking assistance to connect my MacBook to a network printer. I've already tried restarting both the printer and MacBook, checking network settings, and updating printer drivers, but I'm still unable to print. Ideal Skills and Experience: - Experience with MacBook troubleshooting - Knowledge of network printer setups - Familiarity with printer drivers and network settings

I need an experienced network specialist to tune the performance of my Local Area Network. The primary focus is network optimization—pinpointing and eliminating the throughput bottlenecks that are slowing users down during peak hours. Here’s the flow I have in mind: first, you will remotely review the existing topology, switch configurations, VLAN design, and cabling maps. After running traffic captures and SNMP or NetFlow baselines, you’ll present a concise report showing where bandwidth is wasted or mis-prioritised. Once we agree on the findings, you’ll put the fixes in place—whether that involves QoS adjustments, firmware upgrades, or smarter port-channeling—and then verify the improvement with fresh metrics. Deliverables • Discovery repo...

I need an expert to secure my computer and eliminate unauthorized password changes. Key requirements: - Identify and remove any existing malware or unauthorized access points. - Strengthen security protocols to prevent future breaches. - Provide a report on vulnerabilities and how to fix them. Ideal skills and experience: - Expertise in cybersecurity - Experience with malware removal - Strong knowledge of securing personal computers

I need a 5G Vodafone external box installed at my residential property on the wall. Requirements: - Experience with 5G installation - Must securely mount the box on a wall - Professional finish and minimal disruption Ideal Skills: - Electrical or telecommunications background - Familiarity with Vodafone equipment - Attention to detail Please provide any relevant certifications and past work experience.

An unexpected message went out from our Google Workspace work account even though no one on the team composed or sent it. I want to understand exactly how that email originated, pinpoint the device or IP behind it using the Google Workspace activity log (which I can grant you access to), and then tighten our settings so the same situation cannot repeat itself. Here’s what I need from you: • Analyse the full message headers and Workspace audit logs to identify the originating source, authentication path, and any suspicious sign-in or delegated activity. • Check filters, forwarding rules, third-party OAuth connections, and any mail routing rules that could have triggered an automated send. • Provide a concise security report outlining your findings, the likely cau...

Machine Learning Framework & Automated Dataset Generation for FANET Jamming Detection (NS-3) Hello, I am currently working on a research project titled: “Intelligent Jamming Detection in Flying Ad Hoc Networks (FANETs) Using NS-3 Simulation and Machine Learning.” I have already completed the NS-3 simulation phase and now need support with the machine learning, automated dataset generation, and data processing phase. ⸻ What Has Already Been Completed * Built FANET scenarios in NS-3 * Implemented the Gauss-Markov mobility model * Implemented multiple jamming attack types: * Reactive jammer * Hybrid jammer * Constant jammer * Random jammer * Executed simulations under multiple network conditions * Generated network performance metrics from NS-3 outputs ...

En nuestra correduría de seguros estamos migrando todo el flujo de voz a una PBX Yeastar P-Series (Appliance Edition) y necesito a un especialista —o empresa— que la ponga en marcha de forma llave en mano aquí en Caracas y luego brinde soporte continuo. Lo que quiero lograr • 16 usuarios iniciales del equipo comercial operando sobre la nueva central. • Gateways Yeastar GSM (serie TG) y FXO (serie TA) correctamente enlazados. • Grabación de llamadas siempre activa para auditoría de calidad. • Integración nativa con HubSpot CRM Enterprise: registro automático de llamadas, click-to-call e identificación inmediata de contactos. Lo que valoro • Experiencia avanzada con la serie P comprobable en insta...

Tenho um PABX VoIP 3CX já instalado na versão 20. O SIP Trunk encontra-se ativo em uma linha dedicada baseada em IP e a conexão é uma ligação dedicada de alta velocidade. Eu conheço o processo em teoria, mas ainda não fiz essa configuração na prática. Preciso que você: • Crie o tronco SIP no 3CX, inserindo as credenciais fornecidas pelo meu provedor. • Ajuste codecs, autenticação e rotas de entrada/saída. • Teste chamadas internas, externas e DIDs para garantir qualidade de áudio e registro estável. • Documente cada etapa (prints ou texto breve) para que eu possa replicar ajustes futuros. O acesso remoto ao servidor 3CX e aos dados do provedor ...