31 Network Administration jobs in Bellville

Responsibilities

• Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations.
• Configure and install various network devices and services (e.g., routers, switches, firewalls)
• Monitor performance and ensure system availability and reliability.
• Ensure effective inventory controls are kept of networking equipment
• Procuring network equipment and managing subcontractors involved with network installation
• Ensure that all equipment is fully functional and update documentation as required.
• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.
• Adhere to company and department policies and procedures
• After hours standby on a rotational basis
• 2nd line data and voice downtime troubleshooting and support
• Provide support to the 1st line helpdesk support team to manage all telco related data and voice troubleshooting and support
• Escalate any issues that cannot or are not resolved timeously to 3rd line support/vendor and follow up with them on the progress and resolution of these issues.
• Ensure that all issues resolved are well documented and if required update both the 1st line and 3rd line support structures and the standard procedures manual.
• Support Network team with support functionality and training of users on VOIP phones system.

Requirements 

• Tertiary or related IT qualification (advantageous) N+ / A+
• Preference will be given to candidates with five-plus years network experience
• In-depth understanding and practical knowledge of networking systems such as LAN, firewalls, SD-WAN, Access Points, routers and routing.
• A good understanding of computer hardware and terminology
• Effective written and verbal communication skills
• Ability to liaise with all levels of the organisation
• Ability to problem solve and prioritize issues
• A self-motivated team player with strong interpersonal skills
• Ability to manage the demands of a pressurized work environment

Please note:  The Cape Union Mart Group is committed to transformation.  Appointments and promotions will be made based on candidates who best meet the requirements for the position. Preference will be given to candidates who will enhance the diversity of the team, aligned to our Employment Equity plan.

Well established Cape Town based IT ISP/ FNO company is seeking a highly skilled Senior Network Engineer to design, implement, maintain, and troubleshoot the network infrastructure.

The ideal candidate will be responsible for ensuring the reliability, scalability, and security of our networks while mentoring junior engineers and collaborating on strategic initiatives.

This role requires expertise in configuring and managing network devices, designing robust architectures, and optimizing performance for customer satisfaction.

The ideal candidate will also be able to identify any potential issues and recommend solutions to future proof the network.

The position is based fulltime at the office in Cape Town. The individual must have a valid drivers license and own transport.

Relocation to Western Cape will be for the candidate’s own

Applications are invited for the Network Engineer - Tier 3 position to be based in Plattekloof, Cape Town.

PURPOSE OF THE ROLE:

Network Engineers perform hands-on installation and maintenance tasks on network components such as routers, switches and cables on the core networks.

Network Engineers monitor and optimise core network activity. They constantly maintain and improve network security by setting up firewalls, and they’re also responsible for troubleshooting problems as and when they arise.

Key Performance Areas would include, but are not limited to:

• Escalation to Network Engineers Tier 4 as required.
• Responsible to monitor and troubleshoot all systems and/or escalate to the relevant departments as required.
• Keep network related documentation up to date.
• Assist Tier 4 Engineers during emergencies or outages.
• Implementation of approved change plans.
• Attend to technical escalation from Helpdesk Agent - Tier 2.
• Incident management & communication to relevant departments.
• Program network equipment according to standards RFC’s.
• Maintain and support:
  • OSPF Routing Intermediate +
  • Mikrotik Routers Intermediate +
  • L2 Switching Intermediate +
  • Networking Intermediate +
• Router setup, installation and management.
• IP setup, planning and management.
• Firewall setup, planning and management.
• Maintanence of core functionality of VAS products and systems.
• Reporting monthly/weekly on network backhaul capacity.
• Tier 3 Engineer directly supports VIP and offnet clients.
• Assist RF & access network with site planning and development.
• Any adhoc duty as per the operational requirement of the business.
• Operate standard working hours with potential adhoc afterhours availability as per operational requirements.

The successful candidate must have the following experience/skills:

• 3 Years network experience.
• Working knowledge in BGP, OSPF, MPLS, Routing, Switching and Mikrotik Hardware.
• Experience with TCP/IP, DNS, DHCP, routers, IP routing, and switches.
• Ability to work independently and under pressure.
• Good customer service skills.
• Good communication and reporting skills.
• Good problem solving & analytic skills.
• Good time management skills.
• Good admin skills.
• Ability to function in a team.
• Juniper knowledge is advantageous.

Education Requirements:

• Minimum MTCNA Certification.
• MTCRE Certification recommended.
• N+ is advantageous.
• A+ is advantageous.
• Other diplomas in the relevant field is advantageous.

PLEASE NOTE:

• Preference will be given to Previously Disadvantaged Individual candidates in line with Herotel’s Employment Equity Plan.
• Submission of your CV provides Herotel with your express consent for us to process your personal information contained therein, for purposes of processing your application. Please refer to our Privacy Policy on our website for further information on how we process personal information.
• Kindly note that should you not receive feedback from us within 4 weeks of applying, you should consider yourself unsuccessful for the role.

Applications are invited for the Network Engineer - Tier 4 position to be based in Plattekloof.

PURPOSE OF THE ROLE: Network Engineers deal with both hardware and software. On the hardware side of things, they perform hands-on installation and maintenance tasks on network components such as routers, switches and cables on core networks. Network Engineers plan, monitor and optimise core network activity. They constantly plan, maintain, develop and improve network security.

Key Performance Areas would include, but are not limited to:

• Manage the RFC deployment and compliance.
• Manage capacity planning.
• Implement and administrate any required change management
• OSPF planning, management and optimization.
• MPLS/VLANs planning, configuration and management.
• Planning and advanced, maintenance and support of:
  • Router configurations and L2 Switching.
  • Network device management.
• Advanced IP planning, deployment and management.
• Advanced Firewall planning, deployment and management.
• Logical design, drawing and documentation of networks (as per RFC).
• Responsible for monitoring and troubleshooting the network.
• Enforcement of SOP.
• Escalate all advanced RF or Fibre problems to relevant departments.
• Reports into the NOC Team Leader and assists with management, planning, implementation and maintenance.
• Manage projects effectively.
• Advanced fault finding.
• Compile reports as required.
• Any adhoc task as per the operational requirement of the business.

The successful candidate must have the following experience/skills:

• 5 years Network Engineer experience.
• OSPF Routing Expert.
• MPLS Intermediate/Expert.
• Mikrotik Routers Expert.
• L2 Switching Expert.
• Ability to communicate complex ideas both written and verbally.
• Must be able to compose and manage complex network.
• Networking Expert / Expert +.
• Proven experience on: UBNT & Cambium.
• BGP experience.
• Ability to work independently and in a team.
• Ability to work quickly, effectively and under pressure.
• Advanced Problem-solving skills.
• Time management skills.
• Good Communication skills (written and verbal).
• Build and maintain strong team and interdepartmental relationships.

Education Requirements:

• MTCNA Certification.
• MTCRE Certification.
• A relevant tertiary qualification would be advantageous.
• Juniper experience is advantageous

PLEASE NOTE:

• Preference will be given to Previously Disadvantaged Individual candidates in line with Herotel’s Employment Equity Plan.
• Submission of your CV provides Herotel with your express consent for us to process your personal information contained therein, for purposes of processing your application. Please refer to our Privacy Policy on our website for further information on how we process personal information.
• Kindly note that should you not receive feedback from us within 4 weeks of applying, you should consider yourself unsuccessful for the role.

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

• Review and assist the implementation of complex IT security.
• Ansible and Python knowledge.
• Understand firewalls and other network tools.
• Provide system documentation and diagrams as well as maintenance documentation.
• Implement change management procedures that accommodate system architecture changes.
• Identify and document undocumented areas of a network to develop a network diagram.
• Evaluate current IT resources and technology resources, develop and maintain security policy by identifying and evaluating threats to the organization's information assets.
• Ensure that the systems and networks of the organization are secure and operational.
• Understanding and working knowledge of SD-WAN technologies, Fortigate, Cisco, Meraki.
• Analyze and detect risks and vulnerabilities associated with new technologies, processes, and applications.
• Identify and investigate risk and vulnerability issues and develop and implement solutions to resolve them.
• Assist in developing and maintaining standards and procedures.
• Conduct comprehensive security investigations and audits and security-conscious implementations.
• Review client network policies and security documents and recommend changes or alterations.
• Experience with deploying network systems.
• Experience with security principles and principles of design.
• Excellent customer service skills.
• Ability to work independently with minimal supervision.
• Partake and abide by CAB processes when involved in changes.
• A well-working acquaintance in the Linux environment.
• Linux Shell Scripting.
• Security administration port security on switches and IP security on Routers via Access list.
• Preparing monthly work status reports and updating technology-specific documents.
• Responsible for designing and implementation of customers' network infrastructure.
• Cisco device management specific technical skills.
• Installing, Configuring, and Troubleshooting of Networking Equipment: Routers and Switches.
• Knowledge of Layer-2 Switching, VLANs, and Access-list.
• Routing Protocols: OSPF, EIGRP.
• Advanced knowledge of Multi-Protocol Label Switching (MPLS), Cisco Call Manager, and routing protocol BGP.
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SMTP, FTP, TFTP).
• IP addressing and subnetting, Routing concepts.
• Sound knowledge of routing protocols - OSPF, EIGRP.
• Switch Configuration and VLAN setup on switches.
• Implemented SNMP on devices to allow for network management.
• Implemented traffic filters using Standard and Extended access lists, Distribute-Lists, and Route Maps.
• Implementation of HSRP, VRRP, DHCP, DNS, FTP, TFTP, SCP.
• Perform Troubleshooting end-to-end between two sites.
• Working knowledge of enterprise-level network design and implementation.

• Knowledge and Experience with CISO DNAC.
• Ansible scripting
• Knowledge of Enterprise Monitoring (Spectrum, Cisco Prime, LogicMonitor, Solarwinds).
• Knowledge of incident management systems.
• Moderate years of relevant managed services experience.
• Moderate level knowledge in ticketing tools preferably Service Now and Remedy.
• Working knowledge of Infoblox.
• Fortinet SD-WAN.
• Knowledge of Cisco and Fortinet support, and TAC processes.
• Palo Alto Networks Certified Network Security Engineer (required)

• Diploma, degree, or relevant qualification in IT/Computing (or demonstrated equivalent work experience).

• Must have the ability to build secure networks for enterprise applications; to maintain security configurations, troubleshoot problems related to network configuration and outages.
• Experience with network security and incident response preferred.
• CCNP Enterprise.
• CCIE Enterprise or Wireless would be advantageous.
• FortiNet NSE4 (NSE5 – NSE6 and NSE7 will be an advantage).
• ITILv4 or up to date and relevant ITIL certification (Foundation Level).
• CCNA Enterprise.
• Certified Wireless Network Expert (CWNE) - advantageous
• Certified Wireless Network Professional (CWNP) - advantageous

Workplace type:

About NTT DATA
NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

The primary function of this role is to provide a technical response/ fix to incidents and service requests reported by our customers, performing second line diagnostics to resolve or identify the best possible next escalation path. This role is based within a team that works as part of shift pattern that covers Monday to Friday between 8am and 6pm (UK Time)

Required previous technical experience with a proven ability to perform technical diagnostics and administration across some/all of the following technical areas:

Cisco R&S at a Service provider level, Cisco management tools, Juniper and Extreme Firewalls, Nexus 1-7K support, Cisco ACE and F5 Configuration plus fault finding. Broadband Support including Traffic shaping, (Tier 2 level). The responsibilities fall into the following areas;

• Supporting The Customer – Working on issues raised by clients, understanding the different business needs of the customers and recording all key information to support them. Support can be via phone or email. Adherence to company & client processes to deliver an outstanding experience. Utilising a range of remote access & monitoring tools to troubleshoot issues.
• Achieving SLA targets – Managing your time to prioritise urgent tickets while ensuring all requests meet the contracted SLA.
  
  
• Customer Satisfaction – Owning issues through the initial phases of support and keeping the clients informed of all progress with the issue. Working with the clients to ensure a quick and effective resolution to the item raised. Deliver effective communication with all customers including Directors.
  
  
• Documentation – Working within the team to ensure all client documentation is updated and correctly recorded in the relevant system aiding effective closure times. Documentation includes client’s infrastructure, E-mails, and updating of system to aid the support process and allowing other parts of the business to effectively manage the end to end process. It is essential that data is accurate recording in Help Desk System to ensure Wavenet can accurately report on services provided, ticket status, and activities undertaken.

Liaising with 3rd party suppliers – When necessary, request support from external suppliers regarding hardware, software or connectivity support. Communicate updates to the customer and ensure 3rd party meets its SLA targets. 

Skills / Interests Required

• A strong desire and focus on continued improvements and personal development

• A desire to be part of an overall team and achieve team goals, providing guidance to junior engineers

• Excellent verbal and written communication skills, with the ability to explain technical concepts to non-technical stakeholders

• Outstanding problem-solving skills

• Proven ability to work under pressure and with other team members

• Strong time management and self-motivation skills

• Keeping up to date with current industry trends and emerging technologies and best practices

• Previous experience with a ticketing system (Service Now experience beneficial)

• High attention to detail and a commitment to delivering high quality work

• Exceptional documentational work, including updating, improving & creation of documentation.

• High adaptability skills to keep up with changing technologies and environments, with the willingness to continuously learn and improve

6Experience Required

· Cisco Routing & Switching platforms including ISR, ASR, Catalyst and Nexus to a Tier 2 level

· Cisco Security Platforms including firewall experience

· Cisco wireless platforms including controllers and access points

· Tier 2 Broadband support including traffic shaping

· Experience of Extreme routing and switching

· Knowledge of Meraki solutions

· Knowledge of Fortinet solutions

· Network design, implementation & troubleshooting

· Configuring & managing VLANs, VPNs

· Network security principles & practices

· Monitoring and managing network performance and skills with traffic analysis tools

· FortiGate, Palo Alto, Meraki, firewall experience preferred

· Incident response and handling of security breaches

Certifications:

· Relevant and recent certifications in listed technologies are an advantage.