Network Security Engineer at MainOne Cable Nigeria

MainOne Cable is a leading facilitator and preferred provider of innovative telecom services and network solutions such as Connectivity and Data Center Solutions to Telecom operators, Internet Service Providers (ISPs), other businesses and Government institutions across West Africa.

MainOne Cable’s success is built on having talented and highly proficient people within their respective fields as the driving force behind our business. A job in MainOne is different from any other you have had. With joining MainOne you’ll be challenged, inspired and proud as you become a part of something big.

We are recruiting to fill the position below:

Job Title: Network Security Engineer

Location: Lagos
Department: Technical
Job Type: Permanent


  • The Network Security Engineer will be responsible to install security measures and operate software to protect systems and information infrastructure, including firewalls and data encryption programs.

Other responsibilities will include:

  • Develop company-wide best practices for IT security
  • Performing both internal and external security audits
  • Fix detected vulnerabilities to maintain a high-security standard
  • Research security enhancements and make recommendations to management
  • Conducting security assessments through vulnerability testing and risk analysis
  • Work with the security team to perform tests and uncover network vulnerabilities
  • Analyzing security breaches to identify the root cause
  • Monitor computer networks for security access issues
  • Stay current on IT security trends, standards, and news
  • Investigate security breaches and other cybersecurity incidents
  • Document security breaches and assess the damage they cause
  • Continuously updating the company’s incident response and disaster recovery plans
  • Help colleagues install security software and understand information security management
  • Verifying the security of third-party vendors and collaborating with them to meet security requirements.

Qualifications, Skills & Competencies

  • Bachelor’s degree in computer science or related field
  • Minimum of 4 years experience with 2-3 years of experience in security logs analysis and interpretation
  • Must have professional certifications in CISSP, CTIA and anyone of LPT and CEH
  • Understanding of firewalls, proxies, SIEM, antivirus, and IDPS concepts
  • Ability to identify and mitigate network vulnerabilities and explain how to avoid them
  • Understanding of patch management with the ability to deploy patches in a timely manner while understanding the business impact
  • Experience in ethical hacking, intrusion detection, incidence response and reverse engineering
  • Proficient with various operating systems
  • Experience in information security or related field
  • Experience in computer network penetration testing and techniques
  • Strong experience and detailed technical knowledge in security engineering, system and network security, authentication and security protocols, cryptography, and application security.

Demands of the Job:

  • Fluent Oral and Written Communication Skills
  • Technical Report Writing and C-Level Presentation Skills
  • Ability and willingness to work long hours
  • Take responsibility for delivery and meet tight deadlines
  • Ability to work with minimal supervision
  • May be required to travel sometimes.

How to Apply
Interested and qualified candidates should:
Click here to apply online


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