Network Security Engineer Job Vacancy in Gombe, Nigeria – Telecommunications

Job Description

Position:Network Security Engineer

Company:9mobile Nigeria

Location:Gombe, Nigeria

Experience:3-5 years

Education:B.Sc. in Computer Science, Information Technology, or related field

Employment Type:Full-time

Industry:Telecommunications

Department:Network Security

Salary:₦2,500,000 – ₦3,500,000 per annum

Vacancies:1

Company Overview

9mobile Nigeria is a leading telecommunications provider delivering innovative voice, data, and digital services to millions of customers across the country. With a strong commitment to network excellence, 9mobile continuously invests in cutting‑edge technologies to ensure reliable connectivity, high‑speed internet, and secure communication solutions. The company’s culture emphasizes agility, customer‑centricity, and a collaborative environment where talent thrives. As part of its strategic expansion, 9mobile is strengthening its security posture to protect critical infrastructure and customer data, creating exciting career opportunities for skilled professionals.

Job Overview

The Network Security Engineer will play a pivotal role in safeguarding 9mobile’s core network assets, including radio access networks, transport layers, and data centers. Reporting to the Head of Network Security, the incumbent will design, implement, and manage security controls, conduct risk assessments, and respond to incidents. This position offers a unique chance to work on large‑scale telecom infrastructure, collaborate with cross‑functional teams, and contribute to the resilience of Nigeria’s digital ecosystem. The role aligns with the growing demand for robust cybersecurity measures in the telecommunications sector, making it a high‑impact career path for professionals seeking to make a difference.

Key Responsibilities

• Design, configure, and maintain firewalls, intrusion detection/prevention systems, and VPN solutions across the telecom backbone.
• Conduct regular vulnerability assessments, penetration testing, and security audits of network components.
• Develop and enforce security policies, standards, and procedures in line with industry best practices and regulatory requirements.
• Monitor security events using SIEM tools, analyze alerts, and coordinate incident response activities.
• Collaborate with network engineering, operations, and IT teams to integrate security controls into new deployments and upgrades.
• Provide technical guidance and training to junior engineers and operational staff on security best practices.
• Prepare detailed reports and dashboards for senior management, highlighting risk posture and remediation status.
• Stay updated on emerging threats, vulnerabilities, and telecom‑specific security trends to proactively enhance defenses.

Required Skills

• Strong knowledge of network protocols (TCP/IP, MPLS, BGP, OSPF) and telecom architectures.
• Hands‑on experience with security devices such as Palo Alto, Cisco ASA, Fortinet, and Juniper firewalls.
• Proficiency in SIEM platforms (e.g., Splunk, QRadar) and incident response workflows.
• Familiarity with scripting languages (Python, Bash) for automation of security tasks.
• Understanding of regulatory frameworks such as NITDA, GDPR, and ISO 27001.
• Excellent analytical, problem‑solving, and communication skills.
• Ability to work under pressure and manage multiple security projects simultaneously.

Education

A bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related discipline is required. Professional certifications such as CISSP, CCNP Security, or GSEC are highly desirable and will be considered an advantage during the selection process.

Experience

The ideal candidate will have 3‑5 years of hands‑on experience in network security within a telecommunications or large‑scale ISP environment. Demonstrated experience in designing and managing security solutions for carrier‑grade networks is essential.

Salary

The compensation package ranges from ₦2,500,000 to ₦3,500,000 annually, commensurate with experience and qualifications. The package includes performance‑based bonuses, health insurance, and a pension scheme.

Benefits

• Comprehensive health and life insurance coverage.
• Retirement savings plan with employer contribution.
• Annual performance bonus and cost‑of‑living adjustments.
• Paid annual leave, sick leave, and public holidays.
• Employee assistance program and wellness initiatives.

Training

• Access to industry‑leading certification programs (e.g., CISSP, CCNP Security).
• Regular internal workshops on emerging cyber threats and security technologies.
• Mentorship from senior security architects and participation in global security forums.

Working Environment

9mobile offers a dynamic, inclusive workplace that encourages innovation and continuous learning. Employees benefit from modern office facilities in Gombe, flexible working arrangements, and a collaborative culture that values diversity of thought. The role may involve occasional on‑site visits to network sites and data centers across the region.

Application Process

Interested candidates should submit their updated CV and a cover letter outlining relevant experience through the online portal on the 9mobile careers website. Applications will be reviewed on a rolling basis, and shortlisted candidates will be contacted for a technical interview followed by a managerial interview.

Equal Opportunity Statement

9mobile Nigeria is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of gender, race, religion, disability, or sexual orientation. All qualified applicants will receive consideration for employment without regard to any protected characteristic.

Explore this exciting opportunity and join a forward‑thinking team that is shaping the future of telecommunications in Nigeria. This role is a prime example of Nigeria Jobs that offer growth, impact, and a rewarding career path. Apply today and become part of a company that values your expertise and ambition.