Senior Network Specialist

Posted 7 Hours Ago
Be an Early Applicant
Windhoek, Khomas, NAM
In-Office
Senior level
Fintech • Payments • Financial Services
The Role
The Senior Network Specialist manages firewalls and network security devices, designs and maintains network infrastructure, troubleshoots systems, and collaborates with IT teams for efficiency.
Summary Generated by Built In

Lets Write Africa's Story Together!

Old Mutual is a firm believer in the African opportunity and our diverse talent reflects this.

Job Description

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Key Responsibilities:

  • Manage and configure firewalls (FortiGate) and Secure Connectivity on SD Wan.
  • Deploy and Maintain other network security devices in the estate.
  • Design, implement, and maintain network and firewall infrastructure across estate.
  • Deploy and manage branch SD Branch network architecture
  • Perform routine maintenance, troubleshooting, and support for network systems.
  • Collaborate with IT teams to ensure network security and efficiency.
  • Stay updated with the latest networking technologies and best practices.

Requirements:

  • At least 5 years of experience in an enterprise network support role.
  • Deep knowledge of FortiGate firewall and core switch management.
  • Expertise in general deployment and support services.
  • Advanced knowledge of technologies including BGP, VPN, SD-WAN, and QoS.

Platform Knowledge:

  • Proven skills in advanced networking technologies including but not limited to design and maintenance services primarily the Fortinet Stack.

Education:

  • Formalized technical Industry Certifications (FortiGate NSE 4 / NSE 5)
  • Specialization in Networking and Systems Administration.
  • A Degree in an IT related field will be beneficial.

Formal required basic Certifications:

  • A+,
  • N+ and
  • Server +

Compulsory certifications that are mandatory to apply for the position.

  • Minimum NSE4 Certification
  • NSE5 (Network Security Professional)

The following are beneficial certifications:

  • CCSA (Check Point Certified Security Administrator)
  • Aruba ACASA (Aruba Certified Switching Associate)
  • CCNA (Cisco Certified Network Associate)
  • Cisco Certified Specialist

Additional Skills:

  • Strong analytical and problem-solving skills.
  • Excellent communication and interpersonal skills.
  • Ability to work independently and as part of a team.
  • Strong organizational skills and attention to detail.
  • Ability to perform and work remotely and in decentralized environments.

Skills

Action Planning, Adaptive Thinking, Application Development, Backlog Management, Cloud Computing, Data Compilation, Data Management, Graphical User Interface (GUI) Development, Information Technology (IT) Support, IT Installations, Network Monitoring, Software Testing, Test Case Management, WAN Networking, Web Platform Development Software

Competencies

Communicates EffectivelyCultivates InnovationDecision QualityDrives ResultsEnsures AccountabilityOptimizes Work ProcessesTech Savvy

Education

NQF Level 5 - Higher, Advance or Occupational Certificate or equivalent

Closing Date

16 April 2026 , 23:59

The Old Mutual Story!

Top Skills

Bgp
Fortigate
Fortinet Stack
Qos
Sd-Wan
Vpn
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The Company
Gauteng
12,448 Employees

What We Do

Old Mutual Limited is a listed company on the Johannesburg Stock Exchange and has secondary listings on the London, Malawi, Namibia and Zimbabwe stock exchanges. As a Pan-African financial services company, we are focused on Africa, her needs and her people. Together with you, we have educated our children, given more homes warmth and light, empowered small businesses and improved infrastructure in Africa. Our story will continue #WithAfricaForAfrica

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