Cyber Security Officer (Offensive Security & Red Team Operations) at Ascentech Services Limited

Ascentech Services Limited is a full-fledged Human Resource Solution Provider incorporated in 2013 with its Head Office in Lagos, Nigeria. We are committed to forging long-term partnerships with our clients by creating and delivering robust and flexible services that address the changing needs of their business.

We are recruiting to fill the position below:

Job Title: Cyber Security Officer (Offensive Security & Red Team Operations)

Location: Surulere, Lagos
Employment Type: Full-time

Key Responsibilitie

• Lead and execute end-to-end penetration testing on applications, networks, cloud environments, and APIs.
• Conduct red team operations and adversary emulation exercises to assess the effectiveness of detection and response capabilities.
• Identify, exploit, and document security vulnerabilities in accordance with ethical hacking best practices.
• Collaborate closely with blue and purple teams to enhance incident response readiness.
• Design and maintain custom tools, scripts, and exploits for engagement automation.
• Deliver clear, actionable reports with remediation guidance for technical and non-technical stakeholders.
• Monitor emerging threats, TTPs, and vulnerabilities to ensure up-to-date security strategies.
• Support awareness and training initiatives by demonstrating exploitation and defense techniques.
• Ensure compliance with security policies, frameworks, and standards (ISO 27001, NIST, etc.).

Required Skills & Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, or a related field (or equivalent experience).
• Proven hands-on experience in ethical hacking, penetration testing, or red team operations.
• Strong understanding of networking, system architecture, and cloud security (AWS, Azure, GCP).
• Proficiency with tools such as Metasploit, Burp Suite, Nmap, Cobalt Strike, Nessus, and BloodHound.
• Skilled in scripting languages (Python, Bash, or PowerShell) and exploit development.
• In-depth knowledge of MITRE ATT&CK, OWASP Top 10, and common exploitation methodologies.
• Relevant certifications such as OSCP, CRTO, CEH, PNPT, or eCPPT highly preferred.

Soft Skills:

• Strong analytical, problem-solving, and critical thinking skills.
• Excellent communication and technical reporting abilities.
• Ability to work autonomously and collaboratively within cross-functional teams.
• Proactive attitude towards continuous learning and evolving threat landscapes.

Application Closing Date
Not Specified.

How To Apply
Interested and qualified canddiate should send their CV to: cv@ascentech.com.ng using the job title as the subject of the mail