Network Security Engineer Job Vacancy in Kono, Sierra Leone – Telecommunications

Job Description

Position: Network Security Engineer

Company: Airtel Sierra Leone

Location: Kono, Sierra Leone

Experience: 3-5 years

Education: Bachelor’s degree in Computer Science, Information Security or related field

Employment Type: Full-time

Industry: Telecommunications

Department: Network Operations

Salary: SSP 2,500,000 – 4,000,000 per month

Vacancies:1

Company Overview

Airtel Sierra Leone, a subsidiary of Bharti Airtel, is a leading mobile network operator delivering voice, data, and digital services to millions across the country. With a commitment to innovation, connectivity, and community development, Airtel has invested heavily in expanding 4G coverage, fiber infrastructure, and mobile financial solutions. The company’s mission is to empower individuals and businesses by providing reliable, affordable, and secure telecommunications services. As part of its growth strategy, Airtel Sierra Leone continuously seeks top talent to strengthen its technical teams, ensuring robust network performance and safeguarding customer data. This role contributes directly to the company’s vision of becoming the most trusted digital service provider in Sierra Leone, while also supporting broader economic development and digital inclusion initiatives. The position offers a dynamic environment where cutting‑edge security technologies intersect with real‑world challenges, making it an ideal opportunity for professionals eager to make a tangible impact on national connectivity and data protection.

Job Overview

The Network Security Engineer will be responsible for designing, implementing, and managing security solutions that protect Airtel’s core network infrastructure. This includes firewalls, intrusion detection and prevention systems (IDS/IPS), VPNs, and security monitoring tools. The engineer will work closely with the Network Operations Center (NOC), IT, and compliance teams to ensure that security policies are enforced, incidents are responded to promptly, and continuous improvements are made to the security posture. The role also involves conducting risk assessments, vulnerability scans, and providing recommendations for remediation. By joining Airtel Sierra Leone, you will be part of a forward‑thinking organization that values innovation, professional growth, and a culture of collaboration.

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Key Responsibilities

• Design, configure, and maintain next‑generation firewalls and IDS/IPS solutions across the carrier network.
• Monitor security alerts, investigate incidents, and coordinate response actions with the NOC and incident response teams.
• Conduct regular vulnerability assessments, penetration testing, and risk analyses to identify potential threats.
• Develop and enforce security policies, standards, and procedures aligned with industry best practices and regulatory requirements.
• Collaborate with network engineers to integrate security controls into new network deployments and upgrades.
• Prepare detailed incident reports, root cause analyses, and recommendations for preventive measures.
• Stay updated on emerging security threats, trends, and technologies to continuously improve the security architecture.

Required Skills

• Strong knowledge of firewall platforms (e.g., Palo Alto Networks, Fortinet, Cisco ASA).
• Experience with IDS/IPS tools such as Snort, Suricata, or Cisco Firepower.
• Proficiency in VPN technologies, SSL/TLS, and secure routing protocols.
• Familiarity with SIEM solutions (e.g., Splunk, QRadar) for log analysis and threat hunting.
• Solid understanding of TCP/IP, routing, switching, and MPLS concepts.
• Excellent problem‑solving abilities and the capacity to work under pressure during security incidents.
• Effective communication skills for translating technical concepts to non‑technical stakeholders.

Education

A bachelor’s degree in Computer Science, Information Security, Cybersecurity, or a related discipline is required. Professional certifications such as CISSP, CISM, CCNP Security, or Palo Alto Networks PCNSE 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 securing large‑scale telecommunications networks, preferably within a carrier environment. Demonstrated experience with security incident response, vulnerability management, and compliance frameworks (e.g., ISO 27001, NIST) is essential.

Salary

The compensation package ranges from SSP 2,500,000 to SSP 4,000,000 per month, commensurate with experience and qualifications. The package includes performance‑based incentives, health insurance, and a retirement savings plan.

Benefits

• Comprehensive medical and dental coverage for employee and dependents.
• Annual performance bonus and salary progression based on merit.
• Paid annual leave, sick leave, and public holidays in line with Sierra Leone labor law.
• Professional development allowance for certifications and training.
• Employee assistance program and wellness initiatives.

Training

• Onboarding program covering Airtel’s network architecture, security policies, and operational procedures.
• Access to vendor‑provided technical labs and certification courses.
• Regular workshops on emerging cyber threats, secure coding, and incident response best practices.

Working Environment

Airtel Sierra Leone offers a collaborative, inclusive, and technology‑driven workplace. Employees benefit from modern office facilities in Kono, flexible working arrangements, and a culture that encourages continuous learning and innovation. The role may require occasional on‑site visits to network sites and data centers across the country.

Application Process

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

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Equal Opportunity Statement

Airtel Sierra Leone is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of gender, ethnicity, disability, or background. All qualified applicants will receive consideration for employment without discrimination.