Senior Specialist, IP Network Security at MTN Ghana
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- Company: MTN Ghana
- Location: Ghana
- State: Jobs in Accra
- Job type: Full-Time
- Job category: IT/Telecom Jobs in Ghana
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Job Description
Position: Senior Specialist, IP Network Security
Level: MTN Level 3
Function: Network Group
Department: IP Networks
Location: Accra
Reports to: Senior Manager, IP Networks
Job Summary:
To lead the design, administration, and operational management of MTN Ghana’s IP network security infrastructure, ensuring end-to-end protection of the network infrastructure and services. The role is pivotal in securing Internet-facing network security platforms and systems, data centre network environment, and the MTN corporate network infrastructure through robust design, risk management, and proactive security operations monitoring.
Job Context
- Dynamic and highly competitive technology & ICT industry
- Evolving technology era
- Multi regulated environment
- Environmental, social and governance prioritized
- Regionalization structure implication
- Multinational environment – Technology Group best practices
- Continuous Infrastructural expansion
- Performance driven and agile environment
- Diverse cultural environment
- Partnerships
Job Role
Network Security Design & Engineering
Responsible for the design and implementation of the end-to-end IP network security of environments covering:
- High-Capacity, Perimeter and Data Centre Security firewalls
- Intrusion Detection/Prevention Systems (IDS/IPS) and Unified Threat Management Systems (UTMS)
- Anti-DDoS solutions
- WAF (Web Application Firewalls) and Load Balancers systems
- Software-Defined Perimeter (SDP) and Zero-Trust Systems
- Cisco ACI (DC SDN) Solutions and Micro-Segmentation
- IP Log Management Systems (IPLMS)
- Security review of solutions and systems to be deployed on the IP network
Security Operations & Administration
- Manage and monitor day-to-day performance and compliance of network security systems
- Implement security policies and best practices across IP-Core, IPRAN, Internet gateways, and the MTN corporate network
- Conduct regular system reviews and IP network security audits
- Serve as the SPOC for internal, external and regulatory (e.g., ISO 27001, NCA) security audits
- Escalate network and firewall security incidents as defined in the MTN Information Security Incident Management Processes
- Ensure the security of the MTN corporate network infrastructure
Risk & Vulnerability Management
- Work with the relevant stakeholders to identify vulnerabilities and coordinate timely remediation
- Conduct risk assessments, impact analyses, and root cause reviews
- Assist to maintain and update network defence playbooks and controls to prevent, detect, and respond to threats
- Ensure logging and threat intelligence integrations with IP Log Management and SIEM systems
- IPv6 Security
Design and implement security mechanisms specific to IPv6 environments, including:
- Filtering and traffic inspection
- Addressing vulnerabilities unique to IPv6 (e.g., RA flooding, rogue DHCPv6)
- Secure tunnelling and transition mechanisms (e.g., 6to4, Teredo)
- End-to-end policy enforcement on dual-stack environments
Vendor & Stakeholder Engagement
- Build trusted relationships with equipment vendors (Cisco, Huawei, Palo Alto, Fortinet, Appgate, etc.) and solution providers
- Work with internal and external stakeholders to align to MTN Group security standards
- Collaborate with other departments (IT, Enterprise Services, Legal, Risk, Customer Experience) on compliance and incident management
Innovation & Security Posture Improvement
- Monitor global trends, regulatory updates, and emerging threats to continuously improve MTN Ghana’s network security posture
- Champion initiatives that protect and enhance the security reputation of MTN Ghana’s IP resources in the public and enterprise domain
- Drive automation of routine operations, vulnerability scanning, and reporting
Education
- Minimum of a BSc. Computer Science, Telecommunications, Electrical Engineering, or related field
- Must be Security+, Certified Information Systems Security Professional (CISSP)
- Preferred Certifications include CCNP Security/CCIE Security, Palo Alto PCNSE, Fortinet NSE4/NSE7, CEH, CISSP, or GIAC (GCIH/GCIA), ITIL/ISO 27001 Lead Implementer (advantageous)
Experience
- A minimum of six (6) years of hands-on experience in IP networks and security architecture
- At least 3 years of which must have been at a technology/telecoms company in the IP Network Security field
- Proven expertise in managing SRv6/MPLS/IP-Core networks, and secure Data Centre environments
- Strong grasp of IPv6 technologies and associated security frameworks
- Experience with security operations, audits, and incident management
- Must also be able to review existing security solution and network designs.
Knowledge
- In-depth knowledge of TCP/IP, IPv4/IPv6, IP routing (BGP, IS-IS, OSPF), subnetting, NAT, and switching.
- Hands-on experience with IP network design, including SRv6, MPLS, VRFs, VLANs, and overlay networks.
- In-depth knowledge of configuration and management of provider-grade firewalls.
- Proficiency in security solutions design, segmentation, VPNs (IPSec, SSL).
- An expert in threat and vulnerability assessment, remediation planning and vulnerability lifecycle tracking.
- Knowledge of network behavior analysis, signature-based detection, anomaly detection, and incident response.
- Understanding of zero-trust models, threat modeling, and kill chains.
- Experience with Security Information and Event Management (SIEM) tools.
- Secure deployment of IPv6 (RA Guard, DHCPv6 filtering, IPsec for IPv6).
- Security in data center network infrastructure, cloud-native and hybrid environments (e.g., AWS, Azure, GCP).
- Familiarity with standards such as ISO 27001, NIST CSF, MITRE ATT&CK, and CIS Controls.
- Project Management skills.
Must live the MTN Values of
- Lead with Care, Collaborate with Agility, Serve with Respect, Can Do with Integrity, Act with Inclusion, COS
Must exhibit the MTN Vital Behaviors of
- Complete Candor, Complete Accountability, Active Collaboration & Get it done.
Method of Application
- Qualified applicants should indicate Vacancy Ref no: MTN-NWGIPSS252 as the email subject and ensure that CVs are saved in their names. Applications without the subject and CVs saved in their names will automatically be disqualified.
- Interested and qualified applicants should send their Curriculum Vitae by 23rd May 2025 to: [email protected]
- Only shortlisted applicants will be contacted.
