Job Vacancy For Senior Specialist, IP Network Security MTN Ghana Accra

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 Qualification Required &

Position: Senior Specialist, IP Network Security Level: MTN Level 3 Function: Network Group Department: IP Networks

Experience

Location: Accra How To Apply For The Job Qualified applicants should indicate Vacancy Ref no: MTN-NWGIPSS2611 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 to: mtnghanarecruitment@mtn.com Closing Date: 17 July, 2026 Only shortlisted applicants will be contacted.

•A minimum of six (6) years of hands-on

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 •

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

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. •

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.

Education

•Minimum of a BSc. Computer Science, Telecommunications, Electrical Engineering, or related field •Must be Security+, Certified Information Systems Security Professional (CISSP) •

Preferred Qualifications

Certifications include CCNP Security/CCIE Security, Palo Alto PCNSE, Fortinet NSE4/NSE7, CEH, CISSP, or GIAC (GCIH/GCIA), ITIL/ISO 27001 Lead Implementer (advantageous)