OT Penetration Tester - Wireless Network (GSM/RF Mesh)

Job OverviewJoin our dynamic team at gsstech-group as an experienced OT Penetration Tester specializing in wired and wireless communication networks, with a focus on GSM and RF Mesh technologies in the context of Advanced Metering Infrastructure (AMI) and Smart Grid environments. Your expertise will play a crucial role in assessing the security and reliability of wireless infrastructure.This position involves conducting thorough evaluations of wireless networks to ensure their robustness against vulnerabilities and performance issues through controlled testing and assessments.Key ResponsibilitiesWireless Network Security TestingConduct penetration testing and security assessments on RF Mesh and GSM communication networks utilized within operational technology environments.Identify and document vulnerabilities in wireless communication channels, authentication methods, and data transmission protocols.Functional Input/Output ValidationExecute black-box testing by transmitting varied inputs, including meter readings and commands, to RF Mesh and GSM systems.Validate responses from the system, such as acknowledgments and error messages.Assess DLMS/COSEM protocol communication for accurate metering data transmission.Test communication using Wireless M-Bus for sub-metering and IoT applications.Network Resilience & Interference TestingSimulate environmental disruptions, such as:Signal jammingNode failuresNetwork congestionEvaluate recovery mechanisms and data integrity in RF Mesh multi-hop networks and GSM infrastructures.Assess network performance across various frequency bands, including 902-928 MHz for large-scale AMI deployments.Data Transmission Security & Protocol ComplianceExamine encrypted DLMS communication within RF Mesh and GSM networks.Identify vulnerabilities in authentication, integrity validation, and protocol execution.Ensure compliance with Wireless M-Bus communication standards, particularly in the 868 MHz frequency band used for low-power metering devices.Performance & Scalability TestingConduct stress testing and load simulations to mimic peak AMI usage scenarios.Analyze network behavior during simultaneous communications involving thousands of smart meters.Evaluate latency, throughput, and scalability in both event-driven and scheduled data transmission environments.

Join gsstech-group as an Operational Technology (OT) Penetration Tester specializing in Wireless technologies, including GSM and RF Mesh. In this critical role, you will be responsible for identifying vulnerabilities within OT systems and ensuring robust security measures are in place. Your expertise will help protect vital infrastructure from emerging threats.

JOB PURPOSE:The Operational Technology (OT) Penetration Tester plays a critical role in evaluating the security frameworks of Operational Technology environments. This includes assessing Industrial Control Systems (ICS), SCADA networks, Programmable Logic Controllers (PLCs), and essential infrastructure components. Adopting a safety-first methodology, the tester ensures that testing processes are conducted without causing operational disruptions, risks to equipment, or safety compromises. The primary focus is on identifying vulnerabilities, assessing associated risks, and providing actionable recommendations to enhance the resilience of these industrial systems.KEY ACCOUNTABILITIES:Strategic Responsibilities:Design and implement robust penetration testing methodologies and frameworks specifically for utility sector operational technology environments, encompassing electric grid systems, water and wastewater treatment facilities, natural gas distribution networks, and renewable energy installations.Develop and sustain specialized security testing capabilities for ICS/SCADA protocols such as Modbus, DNP3, IEC 61850, IEC 60870-5-104, OPC UA, BACnet, Profinet, EtherNet/IP, and other utility-specific communication protocols.Align penetration testing services with UAE’s national cybersecurity frameworks (NESA, DESC, TDRA) and sector-specific regulations, supporting the company’s OT cybersecurity service strategy.Contribute to the ongoing development and refinement of OT penetration testing methodologies, service offerings, and industry best practices.Provide strategic insights to management regarding emerging OT threats, client requirements, and potential opportunities for service enhancement.Ensure that testing aligns with client risk profiles, contractual obligations, and long-term service objectives.Engage in pre-sales discussions, offering technical expertise for proposal support, scoping, and solution design.Create and maintain a comprehensive repository documenting OT vulnerabilities, exploitation techniques, vendor-specific security weaknesses, and industry-relevant threat intelligence tailored to the utility sector.Design and execute red team exercises and adversary emulation scenarios that mimic real-world attack campaigns.Functional Responsibilities:Conduct controlled penetration testing on OT networks, ICS/SCADA systems, PLCs, RTUs, HMIs, and industrial communication protocols for external clients.Evaluate network segmentation, firewall configurations, access controls, and industrial communication pathways.Identify vulnerabilities, misconfigurations, and potential attack vectors while ensuring zero disruption to client operations.Generate comprehensive technical reports tailored for both technical personnel and executive stakeholders, including risk ratings and remediation guidance.

Join Help AG as a Principal OT Security Solution Architect, a pivotal role that drives our market success through a strong sales focus aimed at expanding our business. In this dynamic position, you will engage in pre-sales activities, which include client meetings, solution positioning, requirements gathering, proposal creation, and coordination of proof of concept activities. You will also serve as a technical account manager for our key clients, fostering critical technical vendor relationships and enhancing internal capabilities in OT security.Your responsibilities will include ensuring customer success from a technology architecture and solution perspective, aligning with implementation teams, and identifying cross-selling and up-selling opportunities. Your expertise will empower our sales, pre-sales, support, and implementation teams in the field of OT security technologies.

Help AG is seeking an enthusiastic and skilled Associate Offensive Cybersecurity Consultant (UAE National) to join our dynamic team in Dubai. This role involves a multitude of responsibilities within the realm of cybersecurity and penetration testing, ensuring robust security measures across various platforms. The selected candidate will engage in the following critical activities:Conducting comprehensive vulnerability assessments and penetration testing for web applications.Performing detailed web application audits.Executing mobile application penetration testing for both iOS and Android platforms.Reviewing source code and conducting software assurance maturity audits.Participating in red teaming exercises and infrastructure security assessments.Executing both internal and external penetration testing.Engaging in vulnerability research to identify potential security threats.

We are seeking a creative and dynamic Social Media Manager - Beta Tester to join our innovative team at smartbartio in Dubai. This is a unique opportunity for someone who is passionate about social media trends and eager to work in a fast-paced environment.In this role, you will be responsible for managing our social media channels, developing engaging content, and analyzing performance metrics to enhance our online presence. If you have a flair for creativity and a keen understanding of social media platforms, we want to hear from you!

The Senior Network Engineer plays a pivotal role in the innovation and maintenance of sophisticated enterprise network infrastructures. This position encompasses the design, implementation, security, and upkeep of network systems, ensuring they operate at peak performance, reliability, and scalability. The engineer will handle advanced configuration and troubleshooting of Cisco and Fortinet network and security solutions, including routers, switches, firewalls, VPNs, and wireless systems. As the technical authority on network projects, the Senior Network Engineer will mentor junior engineers and work in conjunction with various teams to enhance business continuity and spearhead digital transformation initiatives.DUTIES & RESPONSIBILITIESDesign, implement, and maintain LAN, WAN, WLAN, and data center network infrastructures leveraging Cisco and Fortinet technologies.Optimize configurations of Cisco routers, switches (Catalyst, Nexus), and Fortinet firewalls (FortiGate, FortiManager, FortiAnalyzer) for secure connectivity.Develop and enforce network segmentation, QoS, and traffic management policies to boost performance and security.Lead the planning and execution of network upgrades, migrations, and capacity expansion initiatives.Manage network security and compliance by implementing Fortinet security solutions including FortiGate, FortiAuthenticator, and FortiAnalyzer.Utilize Cisco ASA, Cisco ISE, and Cisco Umbrella security policies to align with enterprise standards.Oversee and monitor VPNs (site-to-site, SSL) to ensure secure remote connections.Conduct vulnerability assessments and engage in incident response for network-related security incidents.Monitor network performance, availability, and utilization with tools such as SolarWinds, Cisco Prime, or FortiAnalyzer.Diagnose and resolve complex network issues within established SLAs.Maintain comprehensive network documentation, topology diagrams, and configuration repositories.Provide L3-level support and act as an escalation point for intricate network problems.Collaborate with system, cloud, and cybersecurity teams for seamless integration of network systems with enterprise platforms.Engage in vendor management, procurement, and evaluation of new network technologies.Establish Standard Operating Procedures (SOPs) and network policies.Contribute to the planning of disaster recovery (DR) and business continuity network strategies.Mentor junior engineers and support staff, delivering training sessions on Cisco and Fortinet best practices and technologies.

Join our dynamic team at VAMS as a Network Administrator in vibrant Dubai, UAE. In this role, you will be responsible for managing and maintaining network systems, ensuring optimal performance and security. You will collaborate with IT professionals to implement solutions that enhance our network infrastructure.

Drive sales growth by achieving quotas and securing orders from existing clients while simultaneously establishing relationships with new accounts.Engage with potential customers through visits and calls to evaluate business opportunities, identify key stakeholders, and foster strong business relationships.Timely respond to Request for Proposals (RFPs) and take charge of negotiating and finalizing orders.Ensure prompt collection of payments related to customer invoices.Concentrate on customer retention and explore new business opportunities within the designated geographic territory.Guarantee customer satisfaction by managing the sales order process from data collection to order acceptance and timely delivery.Contribute to team success by achieving related goals collaboratively; participate in team sales calls, proposal creation, pricing presentations, consultative selling techniques, and closing strategies; represent the region at trade shows and client meetings.Build and maintain strong relationships with vendor representatives, ensuring adherence to all policies and procedures.

Imagine this...Do you aspire to become an integral part of a groundbreaking EdTech enterprise that transforms the lives of millions globally?At Paradox, we draw inspiration from iconic brands such as Apple, Nike, Spotify, and Disney, not just because they excel in their fields, but because they are committed to crafting exceptional experiences that resonate worldwide.Perhaps you haven’t found your dream position yet, but deep down, you’re eager to ignite your career and you desire... Autonomy: the freedom to be trusted in your role and deliver results. Aspiration: to grow alongside intelligent colleagues who are motivated to establish a brand as iconic as Nike. Influence: to contribute to transformative changes in people's lives and recognize your own impact within the company.If this resonates with you, it’s time to stop scrolling and start dreaming bigger. Join us — not just for a job, but for a mission.For us, being Iconic means innovating at the crossroads of Psychology x Creativity x Technology.We’re in the process of building that company — and we want you on board. DO YOU HAVE WHAT IT TAKES?------------------------------- We seek not just team members but builders, visionaries, and leaders across all levels who are: Perpetual learners eager for growth. Deeply committed to our mission of empowering others. Passionate about creation and innovation. Humble, yet ambitious and focused on results.We welcome spontaneous applications from various domains — from intern to C-level: Video Production & Editing Tech, Data & Product Engineering Learning Experience Design (LXD)

Join our dynamic team as a NOC Engineer, where you will play a pivotal role in maintaining network operations and ensuring seamless communication within our infrastructure. Your expertise will contribute to the enhancement of our systems, providing critical support in a fast-paced environment.

Join Egis Group as a NOC Engineer and become a vital part of our innovative team! As a key player in our operations, you'll monitor and maintain our network infrastructure, ensuring optimal performance and reliability. This position is perfect for UAE Nationals eager to advance their careers in technology and engineering.

flatgigs is hiring a Senior Machine Learning DevOps Engineer & IT Support specialist for its Dubai office. This onsite position focuses on building, securing, and maintaining the core systems that power our AI infrastructure. Role Overview This role combines MLOps, cloud networking, and IT service management. The position covers both hardware and software frameworks supporting machine learning workloads. Reliable support for production GPU environments and internal connectivity is essential to keep our team productive. Main Responsibilities Manage and scale multi-cluster GPU environments and high-compute AI workloads. Provide hands-on IT support, including user access, device management, and internal systems. Design and maintain secure cloud network architectures on Azure and GCP. Support MLOps pipelines and help deploy machine learning models. Administer internal IT infrastructure, including identity and access management (IAM), single sign-on (SSO), and mobile device management (MDM). Set up monitoring and alerting for GPU health, system performance, and security. Apply cloud security best practices across infrastructure and endpoints. Troubleshoot and resolve system, deployment, and connectivity issues. Work closely with AI engineers to optimize infrastructure for machine learning tasks. Location This is a full-time, onsite role based in Dubai, United Arab Emirates.

Egis Group is seeking a Stakeholder Engineer - NOC Coordinator based in Dubai. This position centers on maintaining effective communication and supporting the daily operations of the Network Operations Center. Main responsibilities Coordinate with both internal teams and external partners to help ensure reliable service delivery. Facilitate communication channels that keep NOC operations efficient and responsive. Contribute to optimizing performance within the Network Operations Center environment. Role focus This role emphasizes collaboration and operational support, requiring attention to detail and strong organizational skills. Success in this position depends on clear communication and the ability to work with a range of stakeholders to keep network operations running smoothly.

Help AG is seeking a skilled and motivated Associate Security Engineer to join our Managed Security Controls unit. This position offers an exceptional opportunity to gain practical experience in network security, identity management, and endpoint protection technologies. You will collaborate with seasoned engineers on impactful projects aimed at safeguarding enterprise environments.