Senior Network Engineer (DC)Engineering/TechnicalJohannesburg - Gauteng - South Africa ENVIRONMENT Join a forward-thinking Digital Solutions Provider as a Senior Specialist: Network Engineer in Johannesburg. This isnt just about keeping the lights on its about building and maintaining next-gen network infrastructure that drives innovation, resilience, and scalability. Youll play a key role in designing, implementing, and optimising network systems while ensuring security and reliability for business-critical operations. With your strong technical foundation, 5+ years of network engineering experience (at least 2 in a specialist role), and deep knowledge of Cisco, ACI, and related technologies, youll be part of a team shaping the future of digital connectivity. DUTIES Network Design & Implementation: Architect and deploy robust networking solutions that meet performance, security, and scalability requirements. Maintenance & Optimisation: Monitor performance, troubleshoot issues, and ensure continuous uptime. Security Management: Implement and manage firewalls, VPNs, intrusion detection, and other security protocols. Project Leadership: Lead end-to-end network projects from planning to delivery, managing timelines and resources. Capacity Planning: Analyse growth trends to anticipate future requirements and scale infrastructure. Mentorship: Support and guide junior engineers, fostering knowledge sharing and continuous improvement. Vendor & Stakeholder Management: Collaborate with vendors and negotiate for hardware/software solutions aligned with business goals. Documentation & Compliance: Maintain accurate documentation and ensure alignment with regulatory and audit requirements. REQUIREMENTS 3-year Bachelors degree in Computer Science, IT, or related field. Minimum of 5 years experience in network engineering, with at least 2 years in a specialist capacity. Proven expertise in Cisco ACI design, configuration, and troubleshooting (multi-pod fabric, APIC management, firmware upgrades). Strong experience with C#, ASP.NET, SQL, and automation tools to enhance efficiency. Ability to troubleshoot and deploy VxLAN networks. Experience supporting large-scale data centres and complex enterprise networking environments. CERTIFICATIONS (advantageous) Cisco Certified Network Professional (CCNP) or CCIE. Certified Information Systems Security Professional (CISSP). Cisco Certified Design Expert (CCDE). VMware VCP-NV or VCAP-NV Design. Aruba ACMX / Certified Wireless Design Professional (CWDP). CompTIA Network+. Certified Network Defender (CND). ATTRIBUTES Strong analytical and problem-solving skills with attention to detail. Resilient, self-driven, and results-oriented. Ability to lead, mentor, and collaborate effectively across teams. High integrity and professionalism with excellent communication skills. Apply for this Job #J-18808-Ljbffr