Information Security Specialist

3 weeks ago


Johannesburg, South Africa Africa-One Consulting Full time

**ICT Security Specialist**

Our firm, Africa-One Consulting, is looking for an ICT Security Specialist with 5+ years in Cybersecurity.

**Responsibilities**
**Firewall Security**:

- Provide expertise on the design of the network security topology, equipment, and configuration.
- Perform security implementation, review and testing activities.
- Support for firewall devices of the manufacturers Cisco ASA, Dell Sonic WALL and related management systems including all features (IPS, SSL deep inspection, etc.).
- Review of security infrastructure systems to ensure adequate capacity, performance levels, and upgrade requirements
- Analyze and tune firewall systems for performance, throughput, resource utilization, high availability, and scalability
- Provide guidance on architecture to ensure adherence to security requirements
- Ensure systems proactively monitored 24x7
- Perform routine diagnostics and maintenance, and install/implement new hardware or software as it relates to security infrastructure
- Provide Tier 1 and Tier 2 problem identification, diagnosis and resolution; provide support for the escalation and communication of status to agency management and users
- VPN including site to site, client, and SSL VPN
- VLAN, DHCP, DNS, VOIP Microsoft Security
- Manage and Monitor the Microsoft 365 Environment
- Design and Implement Microsoft 365 security services
- Manage Microsoft 365 subscription and tenant health
- Manage client relationships w.r.t Microsoft Security Services; Responsible for IT Security networks, servers, clients, mobile devices.
- Working with MS Azure Information Protection, AD-RMS and Azure products and technologies, including solution architecture, deployment, management and support in a large global enterprise
- Perform systems administration of desktop and server systems connected to local and wide area networks (account monitoring security, Operating System installation, etc.)
- Provide support for implementation, troubleshooting and maintenance of IT systems.
- Manage IT system security infrastructure and any processes related to these systems.
- Provide support to Microsoft IT Security systems (O365) including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
- Provide Tier 1 and Tier 2 problem identification, diagnosis and resolution; provide support for the escalation and communication of status to agency management and users
**Wireless Security**:

- Develop methodology and scope for wireless security evaluations and security controls to mitigate risks associated with wireless technologies deployed at Broadband Infraco SOC
- Assist with security infrastructure sustainment, maintenance, and advanced configuration as an WLAN Security Subject Matter Expert.
- General support for security scanning and logging
- Act as a liaison to vendors and acquisition of wireless network hardware and software.
- Work closely with cross functional teams to resolve outages, assist with deployment challenges and enhancing security posture.
- Assist with the troubleshooting of WAN and LAN as it relates to WLAN end user performance and availability issues.
- Experience on implementation, troubleshooting and managing Cisco WLC and AP. Experience with IT security policy design and enforcement.
**Local Area Network Security**:

- Deploys routers, updates configurations to included interface settings, communication protocols, IOS versions and Access Control Lists
- Provides remote security, troubleshooting and configuration via industry standard tools and organization best practices
- Deploys switches, updates configuration to include interface settings, communication protocols, OS versions, and Access Control List, VLANS, 802.1x configurations and patching
- Installs, upgrades, troubleshoots Cisco VPN hardware, client configurations in support if secured remote access
- Configures, manages, maintains and troubleshoots Cisco Voice over IP hardware in support of Enterprisewide VoIP deployments
- All other duties as assigned.
**Required education**:

- A Bachelor's Degree is preferred.
- A minimum 5 years of college training and/or specialized technical training with courses applicable to duties
- Any related technology certifications are a plus. Examples are CISSP, CCSP, CEH, CISM, NSE and CCSA, CCNP Security Certification or similar

**Required experience**:

- Minimum 5 years' experience in a senior technical support role in a networking/security company or equivalent education
- Ability to manage multiple projects at the same time Ability to operate as a team player and independently
- Strong communication, customer service, troubleshooting, and organizational skills.
- Strong technical knowledge with demonstrable hands on skill sets in the following security concepts: cyber security, network segmentation, endpoint security, threat management, and cloud security.
- Ability to design and configure enterprise security solution



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