20 f5 Administrator jobs in South Africa

Datacentrix is seeking a highly skilled
Network Security Architect
to join our team. The ideal candidate will possess deep technical expertise in network infrastructure, security, and cloud technologies, coupled with strong business acumen and the ability to design scalable, secure, and cost-effective solutions. This role requires an individual who can seamlessly bridge technical strategy with business objectives, collaborating across teams, vendors, and leadership to drive innovative network and security architectures.

Qualifications and Experience Required:

• Matric plus a relevant IT diploma/degree (or equivalent experience).
• CCNA/CCNP or equivalent networking certification
• At least 4 years of experience in technical architecture or related roles.
• Relevant professional certifications are advantageous, such as:
• Palo Alto PCNSA certification
• Cloud certifications (AWS Solutions Architect, Azure Solutions Architect)
• CompTIA Security+ or equivalent security certifications
• Hands-on experience with firewall technologies (Palo Alto preferred) and multi-vendor network troubleshooting.

Key Responsibilities:

• Solution Design & Architecture:
  Design comprehensive technical solutions that meet business requirements, produce detailed technical documentation and architecture diagrams, evaluate and recommend appropriate technologies, and ensure all solutions are scalable, secure, and aligned with business goals.
• Research & Development:
  Evaluate emerging technologies and industry trends, conduct proof-of-concepts, and assess the viability and ROI of new solutions to enhance business performance.
• Network Infrastructure & Security:
  Design scalable network architectures with a focus on performance, reliability, and integrated security. Architect firewall topologies (including NGFW and WAF), develop zero-trust frameworks, implement network segmentation strategies, and design secure cloud connectivity patterns.
• Business Collaboration:
  Work closely with business stakeholders to gather and interpret requirements, translate complex technical concepts into clear, business-friendly language, and present solutions effectively to both technical and non-technical audiences.
• Vendor Management & Support:
  Engage and manage multiple technology vendors, evaluate products and services, negotiate technical specifications, and serve as the key technical liaison for vendor-led implementations.
• Incident Response & Support:
  Provide technical expertise during security incidents and outages, collaborate with security teams on investigations, participate in post-incident reviews, and document preventive measures.

Company Description

Duxbury Networking has been a leader in specialized networking distribution for over forty years. We offer channel partners and their customers a full suite of technical solutions, distinguished by our value-added technical services and expert support. Our product portfolio covers Networking, Wireless, Integrated Surveillance, and Cybersecurity Solutions. We strive to build strong partnerships with clients, who view us as trusted advisors ready to exceed expectations and seamlessly integrate with their operations.

About the Role:

As a Cyber Security Engineer, you will play a key role in strengthening and maintaining our clients' security posture. You'll work alongside our networking and infrastructure teams to deploy, manage, and support critical security solutions.

Key Responsibilities:

• Deploy and manage security solutions such as firewalls and endpoint protection.
• Support the design and implementation of secure network environments.
• Monitor, troubleshoot, and improve existing security systems.
• Collaborate with the team to respond to security incidents and support remediation efforts.

Requirements:

• Minimum
  3 years of hands-on experience
  in cyber security engineering.
• Strong knowledge of
  networking fundamentals
  and security concepts.
• Proven experience with deploying and managing
  firewalls and endpoint protection solutions
  .
• Problem-solving mindset and ability to work independently as well as part of a team.

What We Offer:

• An opportunity to grow your career with a forward-thinking team.
• Exposure to diverse projects across security and networking domains.
• A collaborative environment where innovation and learning are encouraged.

Position Overview

We are seeking a skilled Network Security Engineer to design, implement, and maintain secure network infrastructures. The role involves safeguarding systems, data, and networks from cyber threats, ensuring compliance with security policies, and proactively identifying vulnerabilities.

Key Responsibilities

Design, configure, and maintain firewalls, VPNs, IDS/IPS, and other security solutions.

Monitor network traffic and security alerts to detect and respond to threats.

Conduct vulnerability assessments and penetration testing to identify risks.

Implement security policies, standards, and best practices.

Manage and troubleshoot security incidents, escalating when necessary.

Maintain secure connectivity for on-premise, cloud, and hybrid environments.

Ensure compliance with industry regulations (e.g., ISO 27001, GDPR, POPIA, PCI DSS).

Collaborate with IT teams to integrate security measures into all network systems.

Keep up to date with the latest cyber threats, tools, and technologies.

Prepare reports and documentation on security posture, incidents, and improvements.

Qualifications & Skills

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience).

Proven experience as a Network Security Engineer, Security Analyst, or similar role.

Strong knowledge of networking (TCP/IP, routing, switching, DNS, DHCP).

Hands-on experience with firewalls (Cisco, Palo Alto, Fortinet, etc.).

Familiarity with SIEM, intrusion detection/prevention, endpoint protection, and encryption.

Understanding of cloud security (AWS, Azure, GCP) and VPN technologies.

Relevant certifications (e.g., CCNA Security, CCNP Security, CEH, CISSP, CompTIA Security+).

Excellent problem-solving and communication skills.

Ability to work independently and as part of a team.

Job Type: Full-time

Pay: From R569 364,00 per year

Work Location: In person

Title:
Network Security Analyst

Department:
Group IT

Reporting to:
Group Network and Security Manager

About Le Creuset

At Le Creuset, every dish begins with a story - and every story begins with people.

Since 1925, we've brought generations together around the table, transforming everyday meals into cherished memories. Our legacy is built on colour, craft, and a deep passion for innovation - shaped as much by our iconic products as by the people who bring them to life. We're not just creating cookware; we're creating moments that last a lifetime. If you're inspired by heritage, driven by creativity, and ready to shape the future of the kitchen, we'd love to welcome you into our story.

The Recipe for Success

This is a key role within the IT Operations Team and is responsible for delivering the Group IT Network & Security designs and to deliver and maintain strong IT Network & Security Services across the entire Le Creuset group. Working alongside the Network & Security Manager to ensure that core Network & Security services across the globe are well maintained, target service & availability levels are established and well reported both internally and with third party suppliers. To work with regional Infrastructure Teams and suppliers to establish consistent and efficient IT Systems & Services across the group.

The role will require a high degree of technical knowledge around a wide range of Network & Security services but particularly Windows, Office 365, End-Point protection, Mail filtering, Network typology, Proxy, VPN, LAN/WAN and Firewall as well common security standards & technologies. Knowledge of ITIL Incident, Problem, Request, Change & Knowledge will be required. Strong Network & Security operational practice around the world in accordance with the operating model will be key.

It is important that a mature consideration is made to balance the need for stability whilst also delivering appropriate IT changes. The needs of the different subsidiaries and their local operations will need to be taken into account as well as gathering the requirements of the business and aligning these to the services offered by IT.

The role may require some international travel and an expectation for being available 24/7 in times of critical project delivery or major incident.

Le Creuset has a successful, regionally focused operating model so the Group IT Network Administrator needs to ensure that local as well as central needs are managed in an effective way.

What's on your Daily Menu?

The Group IT Network Administrator will be responsible for:

Planning & Scheduling:

• Working with the regional Infrastructure teams and Managers to plan and schedule the transition of new Network & Security services and changes into live in a safe and sustainable way.
• Interacting with other departments within IT and third-party vendors to provide appropriate Network & Security solutions to meet the needs of Le Creuset.
• Working on a portfolio of change in line with an agreed Network & Security road map agreed with the Network & Security Manager.
• Effectively planning and delivering against a tight update schedule to ensure all operating systems, virtual network platforms and hardware firmware are kept up to date.
• Working within the CAB and change management processes to ensure changes are delivered to the highest standard and following best practice.
• Working closely with business stakeholders on access, requests and management of Network & Security & Licensing platforms.

Strategic Network & Security Road Map:

• Working to a structured & strategic Network & Security road map.
• Consideration is needed to ensure that Network & Security services are managed, updated and developed in accordance with the road map.
• Leading discussions with technical and IT teams regarding implementation and design of technical solutions.
• Ensuring that value for money is achieved.

Technical Network & Security Design and Delivery:

• Leading the delivery of the technical solutions.
• Owning the development and support of core Network & Security systems and services along with the Network & Security Manager.
• Identifying major areas of improvement, automation and efficiency through use and implementation of appropriate reporting tools.
• Providing direction to and leading other teams regarding Network & Security Management best practice and technical project delivery.
• Being proactive and working closely with the engineering and projects functions to ensure all deliverables are documented and delivered on time as required.
• Always adhering to appropriate levels of security at all times and always putting security at the forefront of any solution.

Support:

• Closely working with technical project resources to deliver a premium support capability 24/7.
• Delivering against team service level targets ensuring that specific KPI's are being met.
• Support internal IT colleagues and customers as required.
• Strong adherence to and use of the ITSM Service Desk toolset ensuring that administration of tickets is always completed on time and kept up to date.

Documentation:

• Ensuring systems are documented appropriately according to IT standards and stored in the KMS.
• Ensuring proper documentation is provided for Training and Service Introduction.

Key Relationships

Key relationships will include:

• Regional Infrastructure Support and other Network Security team staff -
  The Group IT Network Administrator will need to work closely with all infrastructure teams, manages and staff in order to manage through changes and designs and to ensure systems are always being managed with security in mind.
• Central Project teams -
  It may be important to form close relationships with some key internal stakeholders on the project teams in order to fully understand future requirements for projects and to fulfil the requirements of them as customers.
• Customers and business stakeholders -
  It will be important to provide excellent customer service and be quick to respond with expertise and solutions in response to requests for licensing, access or instruction on the use of key systems and solutions.

The Perfect Blend: Your ingredients for Success

• Cloud Network & Security (Azure and/or AWS).
• Cisco Meraki Networking stack (Firewall, Switching, WIFI etc.).
• Cisco Nexus & UCS (Flexpod Architecture).
• Network Security: configuration of NextGen Firewalls (any of Cisco, SonicWALL (ideal), Palo Alto, Fortinet, Checkpoint, Forcepoint), VPN (IPSec, SSL).
• Security products: Mimecast (Email Security), Netskope (SWG), Strike (EPP/EDR), Sumologic (SIEM), Tenable (Vulnerability Scanning) and Cloud WAF's.
• Requires experience and knowledge of Security standards including relevant ISO standards 27001 or CIS Critical Security Controls, etc.
• Requires expert knowledge of modern Network & Security technology.
• Preferred experience in cloud-based or software defined Network & Security provision.
• Awareness of GDPR as well as other local regulatory control mechanisms.

Work Experience

• Extensive experience in delivering IT related Network & Security propositions.
• Direct experience in working in an ITIL environment.
• Vendor management experience including the management of outsourced near shore partners.
• A passion for and deep understanding of leading-edge technologies. Clear and tangible experience of defining and delivering compelling, business aligned IT strategies.
• International experience and working across multiple regions.

Key Qualifications

• Proficiency in English is essential. Must be Fluent.
• A minimum of 5 years of proven experience in the cybersecurity field is required.
• The candidate should have, as a minimum, a good analytical degree or equivalent certification roadmap.
• Ideally the candidate will also have advanced certifications that relate directly to the role including.

Leadership Competencies

• Be a strong and influential character, and team player with good interpersonal skills able to create a sense of community amongst the disparate members of the team.
• Drive innovation and continuous Improvement.
• Build trusted relationships.
• Comprehend the business environment and interrelationships between business processes.
• Promote and champion business and IT objectives, and business, technical and market awareness.
• Good track record for sound thinking, creativity, achieving results and financial management.
• Flexible and pragmatic approach to the demands of this role, the area of responsibility and the changing needs of the business.

Additional Conditions Pertaining to the Role

Le Creuset has International offices and there will be a requirement from time to time to visit these sites, depending on the specific project requirements. Finally, the role delivers success through excellent relationships at both a local and central level.

Why Join Our Table?

At Le Creuset, you will find your seat at our table, which is a colourful as our cookware and rich in history. Our table is grounded in our values:
Passion, Integrity, Excellence, Innovation and Teamwork.
Every talent will add flavor. Every idea brings colour. And every day is a chance to create something that lasts. With the passion you bring, you become part of a timeless legacy, one that brings people together around food, stories, and meaningful shared moments.

Diversity & Inclusion Statement

We welcome applications from all qualified candidates, regardless of gender, age, disability, sexual orientation, religion or belief, marital or civil partnership status, race, ethnic or national origin. We are committed to creating an inclusive workplace where everyone feels valued, respected, and empowered to reach their full potential.

Ready to Stir Things Up?

Apply now and help us create exceptional experiences, one customer at a time.

Bachelors degree /Diploma or equivalent experience 3+ years of IT experience 1+ years of hands-on web application penetration testing / ethical hacking experience The Purpose of Your Role Lead testing efforts on web and mobile applications and supporting systems. Replicate the actual techniques and tools used by malicious attackers in an effort to model potential external threats. Upon completion of the assessment, you will prepare reports and present the results to application owners, developers, and business unit information security teams. Analyse test results, draw conclusions from results, and develop targeted exploit examples. Consult with operations and software - development teams to ensure potential weaknesses are addressed. Contribute to the research or development of tools to assist in the vulnerability discovery process. Identify threats to improve the overall security of applications and infrastructure. Recommend solutions to help migitate risks and protect entire network i.e. Architect security solution Skills: Ability to demonstrate manual testing experience including all of OWASP Working knowledge of application security mechanisms such as authentication and authorization techniques, data validation, and the proper use of encryption Technical knowledge of, and the ability to recognize, various types of application security vulnerabilities Demonstrated experience with common penetration testing and vulnerability assessment tools such as nmap, Wireshark, Nessus, NeXpose, Kali, Metasploit, AppScan, WebInspect, Burp Suite Professional, Acunetix, Arachni, w3af, NTOSpider Knowledge of a programming or scripting language such a C, C#, Python, Objective C, Java, Javascript, SQL, Knowledge of Web Services technologies such as XML, JSON, SOAP, REST, and AJAX Knowledge of web frameworks, including XML, SOAP, J2EE, JSON and Ajax Experience with Enterprise Java or .NET web application frameworks, including Struts and Spring Proven analytical and problem solving skills, as well as the desire to assist others in solving issues Excellent interpersonal skills with a strong interest in the application security domain Excellent communication and presentation skills and a proven ability to communicate threats and facilitate progress towards long-term remediation Highly motivated with the willingness to take ownership / responsibility for their work and the ability to work alone or as part of a team. Ability to produce high level reports Preferred Skills and competencies: A+, N+, S+, CCNA Vulnerability Scanning Vulnerability Assessment Valid Certified Ethical Hacker Certificate Certified Penetration Testing Professional/ OR CISA/CISM/SISSP AND CISSP certification. NB! CV FORMAT MUST BE PDF

Contract duration:
 12 months

Hybrid:
 3 days in the office

The role is responsible for leading the network security programme across multiple markets. It involves planning, coordinating, and delivering security initiatives across six key workstreams (Enterprise CPE, Core Network, NMS, Office Connectivity, Cyber Security Controls, Monitoring & Analytics, and Measurement & Assurance).

The individual will manage risks, dependencies, resources, and stakeholder engagement, while providing clear reporting to executives and governance forums. A key focus is leadership and cross-market collaboration to drive accountability, knowledge sharing, and continuous improvement across security teams.

Key Responsibilities

• Lead execution of the cybersecurity strategy across mobile, fixed, satellite, cloud, and IoT networks.
• Govern and oversee the delivery of all six workstreams with milestones, interdependency management, and quality control.
• Conduct risk assessments, vulnerability mitigation, and assurance checks to meet ISO27001, NIST, and CIS Controls standards.
• Engage stakeholders (executives, regulators, business owners, technical teams) and deliver accurate progress/assurance reports.
• Build and lead teams, enabling capability growth, accountability, and collaboration across different markets.

Minimum Requirement

• Degree in IT, Cyber Security, or related field.
• 10–12 years of progressive experience in cyber and network security, with 5+ years in leadership/programme management.
• Strong expertise in Enterprise/IP Networks, cyber risk management, programme governance, and frameworks (NIST, ISO 27001, CIS).
• Proven ability to manage multi-country/enterprise security programmes and deliver against KPIs, budgets, and risks.
• Strong problem-solving, analytical, and stakeholder management skills.
• Ability to influence across markets and manage multiple priorities simultaneously.

Faculty

Support / Admin Department

Department

Cape Peninsula University of Technology -> Information and Communication Technology Services (ICTS) -> Networking

Campus/ Location

District Six Campus - Cape Town, WC ZA (Primary)

Job Type

Permanent

Occupational Function

Support / Admin

Number of Positions

1

Annual Salary Package (incl. Medical Aid rate based on principal member only)

To be confirmed

Advert Closing Date

2/11/2025

Job Purpose

The purpose of this position is to plan, implement, monitor, and maintain robust network security measures that protect the integrity, confidentiality, and availability of CPUT's information systems and infrastructure, while ensuring compliance with institutional policies and regulatory standards.

Job Knowledge, Skills and Experience

• A BTech in Information Technology or equivalent qualification.
• At least 3-5 years' experience in network security (firewalls, DNS layer security, MFA) Deployment, Configuration and Support / in CCNA / HCIA (International certified).

NB: However, candidates who meet the qualification and experience requirements but do not have all certifications may be considered for conditional appointment, provided the certification is obtained within one year of employment.

Key Performance Areas / Principal Accountabilities

• Network Security Architecture and Design
• Cybersecurity Monitoring and Incident Response
• Firewall and Perimeter Defense Management
• Vulnerability Management and Threat Mitigation
• Policy, Compliance, and Audit Support
• Security Awareness and Capacity Building
• Project Involvement and Strategic Input

Competencies

• Team leadership skills
• People Management skills
• Interpersonal skills
• Project Management skills
• Excellent problem-solving skills
• Analytical skills
• Organizational skills
• Communication skills
• Report writing skills
• Knowledge of emerging networking technologies and industry trends.

General Information

Closing date: 02 November 2025

For enquiries and assistance with your online application, please email: please contact Mr Odwa Siza, (Human Capital Department) email:

NB: PLEASE NOTE THAT THIS SYSTEM DOES NOT ALLOW APPLICANTS TO UPLOAD CVs. IT IS THUS IMPORTANT THAT APPLICANTS COMPLETE ALL SECTIONS COMPREHENSIVELY AS FAILURE TO DO SO MIGHT DISADVANTAGE YOU. PLEASE UPDATE YOUR APPLICATION ON THE SYSTEM WITH THE LATEST INFORMATION AS THIS WILL BE THE ONLY CRITERIA USED FOR EVALUATION OF YOUR APPLICATION BY OUR PANEL.

The Cape Peninsula University of Technology is committed to Employment Equity and aims to attract and retain talented individuals to achieve our equity objectives and therefore, people from the designated groups, including those with disabilities are encouraged to apply. Preference will be given to applicants whose appointment contributes towards the achievement of demographic representation. We reserve the right not to make an appointment.

Senior Network Security Engineer

Recruiter:
Data Centrix

Job Ref:
JHB /MS

Date posted:
Tuesday, October 14, 2025

Location:
Johannesburg, South Africa

SUMMARY:
On behalf of our client—a leading organization in the automotive industry—we are seeking a
Senior Network Security Engineer
to play a pivotal role in safeguarding and optimizing their enterprise IT infrastructure.

In this critical position, you'll take the lead on network security operations, provide mentorship to technical teams, and navigate complex security challenges across a dynamic and diverse technology environment. The role involves hands-on responsibility across key areas including project implementation, incident response, vendor management, and advanced technical support.

You'll work with a broad and modern stack that includes
PaloAlto firewalls, Mellanox core switches, Arista routers, Saisei internet shaping, Cisco Meraki switching and WiFi,
and
VeloCloud SD-WAN
.

As a senior contributor, you'll be the go-to expert for escalated issues, lead critical security initiatives, and ensure the performance, reliability, and protection of the company's enterprise-grade infrastructure.

POSITION INFO:
Requirements:

• CCNA certification, entry-level PaloAlto qualification

• 4+ years of network and firewall management in

• Enterprise network design and implementation

• Multi-vendor environment management
• Security incident response and forensics
• Network automation and scripting (Python, PowerShell)
• SIEM and security monitoring tools
• LAN understanding, WiFi and switching management, PaloAlto firewall configuration, multi-vendor network troubleshooting, and core networking protocols.
• VeloCloud SD-WAN management, Cisco certification, server technology expertise, cloud platforms knowledge, and network monitoring tools.

Overall Responsibilities:

• Will be involved in Security project implementation,
• Incident response,
• vendor coordination,
• Technical support activities across enterprise technology stack including PaloAlto firewalls, Mellanox core switches, Arista routers, Saisei internet shaping, Cisco Meraki switching and WiFi infrastructure, and VeloCloud SD-WAN solutions.

When it comes to putting people first, we're number 1.

The number 1 Top Employer in South Africa.

Certified by the Top Employer Institute 2025.

To implement, operate, and continuously improve secure, resilient network security controls—including Cisco FTD, Fortinet, Cisco ISE (NAC), VPN, IDS/IPS, and Algosec automation—using SRE principles to ensure availability, compliance, and rapid incident response across enterprise networks

• Design, implement and operate network security services (Cisco FTD/Fortinet firewalls, VPN, Cisco ISE, IDS/IPS).
• Provide Tier-3 support, incident response, problem management and change approval; participate in 24×7 on-call rota.
• Run health checks and monitoring; drive continuous improvement (automation, rule hygiene, capacity).
• Meet compliance (PCI/SOX), manage rule exemptions and cost-effective mitigations using Algosec.
• Engage stakeholders and vendors; translate Vodafone requirements into effective solutions.

• Matric (Essential)
• 3 year degree/diploma in Computer Science or related (Essential)
• 3–5 years in network security engineering/operations. One or more of: Cisco CCNA/CCNP Security (incl. FTD), Fortinet NSE4+, Algosec certification/training.
• Cisco ISE training, SRE Foundation, ITIL, cloud network security (Advantageous)

Knowledge and experience :

• Hands-on with Cisco FTD/FMC,
• Fortinet FortiGate, Cisco ISE (802.1X, posture, TACACS+), VPN (AnyConnect/SSL, IPsec), and IDS/IPS; Algosec for firewall automation & compliance;
• automation via Python/Ansible/REST;
• Observability (SNMP, syslog, SIEM/SOAR). SRE practices (SLIs/SLOs, error budgets,
• Incident Remediation
• Able to learn & apply Vodafone requirements.

Skills:

• Analytical troubleshooting
• stakeholder engagement
• scripting & automation mindset
• resilience under pressure
• clear communication
• time management

Closing date for Applications: 22 October 2025.

The base location for this role is Midrand, Vodacom Campus.

The company's approved Employment Equity Plan and Targets will be considered as part of the recruitment process. As an Equal Opportunities employer, we actively encourage and welcome people with various disabilities to apply.

Vodacom is committed to an organisational culture that recognises, appreciates, and values diversity & inclusion.