Security Testing

Confidential Employer

Job Overview

Location

Yaba, Lagos, Nigeria

Employment Type

Full-time

Work Arrangement

On-site

Sector

Information Technology & Software

Experience Level

Mid-level (3-5 years)

Application Deadline

July 7, 2026

About the Company

This cybersecurity team is dedicated to identifying vulnerabilities through authorized security assessments. They simulate real-world cyber attacks to provide actionable recommendations for improving security posture. The team is looking for a specialist who can conduct a range of penetration tests, including infrastructure, network, mobile application, WIFI, and web application testing. They also participate in attack and breach simulations, assess and exploit vulnerabilities, and conduct social engineering and phishing campaigns. Reviewing custom code for vulnerabilities and SecDevOps principles is also a key function. The role involves developing technical solutions and new security tools to exploit vulnerabilities and automate tasks, providing offensive security consulting to clients, and writing comprehensive reports on findings and recommendations for system security enhancement.

Job Description

We are seeking a highly skilled and detail-oriented Security Testing Specialist to join our dedicated cybersecurity team. This role is crucial for identifying vulnerabilities through authorized security assessments, simulating real-world cyber attacks, and delivering actionable recommendations to enhance our security posture.

Your responsibilities will include conducting a wide array of penetration tests, encompassing infrastructure, network, mobile applications, Wi-Fi, and web applications. You will actively participate in attack and breach simulations, assessing and exploiting vulnerabilities, and executing social engineering and phishing campaigns.

The role also involves reviewing custom code for vulnerabilities and SecDevOps principles, often in collaboration with senior testers. You will develop innovative technical solutions and new security tools to exploit security vulnerabilities and automate repetitive tasks, providing valuable offensive security consulting to our clients through various engagement styles.

Furthermore, you will be responsible for writing comprehensive reports detailing assessment findings, outcomes, and propositions for system security enhancement. Internal or external digital forensics investigations, data retrieval from devices, and analysis of network intrusion artifacts will also be part of your duties. You will reconstruct event series leading to compromises, collect and preserve digital evidence, and ensure chain of custody.

To apply for this role, click the Apply button on this page and follow the instructions.

Required Skills

Penetration TestingVulnerability AssessmentRed TeamingNetwork ArchitectureCloud SecurityPythonBashNmapBurp SuiteMetasploitDigital Forensics

Key Responsibilities

Conduct a range of penetration tests, including infrastructure, network, mobile application, WIFI, and web application.
Participate in attack and breach simulations, including assessing and exploiting vulnerabilities, social engineering, and conducting phishing campaigns.
Review and assess custom code for vulnerabilities and SecDevOps principles with assistance from senior testers.
Develop technical solutions and new security tools to exploit security vulnerabilities and automate repeatable tasks.
Provide valuable offensive security consulting to our clients through project, program, and embedded style engagements.
Write comprehensive reports including assessment-based findings, outcomes, and propositions for further system security enhancement.
Conduct internal or external digital forensics investigations.
Retrieve data from virtual and physical devices.
Collect and analyze network intrusion artifacts and evidence of malicious network activity.
Reconstruct the series of events leading to a compromise or breach.
Collect, process, analyze, and preserve digital evidence in criminal cases.
Extract and analyze metadata.
Ensure chain of custody of digital evidence.
Write technical reports to document case findings.
Identify potential threats and provide recommendations for better security.
Support and mentor junior consultants assisting the Delivery Manager with quality assurance and client engagements.

Qualifications

4–7 years of experience in penetration testing, vulnerability assessment or red teaming
Advanced understanding of network architectures, subnets, and protocols.
Proficiency in Windows, Linux and Active Directory.
Cloud security knowledge and familiarity with common cloud providers
Expertise in scripting languages (e.g., Python, Bash).
In-depth familiarity with vulnerability assessment tools and techniques.
Mastery of common penetration testing tools (e.g., Nmap, Burp Suite, Metasploit).

How to Apply

Qualified candidates should apply here: https://a.peoplehum.com/3ot6f

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The cybersecurity landscape in Lagos is rapidly evolving, with a growing demand for specialized offensive security professionals. This role is critical for safeguarding digital assets and bolstering organizational resilience against sophisticated cyber threats. Essential technical keywords include penetration testing, vulnerability assessment, exploit development, digital forensics, SIEM analysis, and secure coding practices. The specialist's ability to identify and mitigate vulnerabilities directly impacts business continuity, data integrity, and client trust, thereby enhancing the company's reputation and ROI.