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- Closing date
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- Where
- Lagos, Nigeria
- How to apply
- On myjobmag.com, where the employer takes applications.
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- 87 other open Information Technology & Software roles on the Nigeria board right now.
Job Summary
Information Security Engineer with 5–6+ years of hands-on experience across Vulnerability Assessment and Penetration Testing (VAPT), Security Operations Centre (SOC), SIEM monitoring, network security, endpoint security and enterprise IT infrastructure. Experienced in assessing and testing web applications, APIs, mobile applications, servers, databases, network devices, cloud environments and enterprise endpoints; identifying security weaknesses; validating exploitability; supporting remediation; and conducting retesting. Strong ability to combine offensive security testing with defensive monitoring and incident detection to provide practical, risk-based security recommendations.
Job Details
Information Security Engineer / VAPT & SOC Engineer
Conduct end-to-end VAPT across web applications, APIs, mobile applications, network infrastructure, servers, endpoints and enterprise IT assets.
Perform reconnaissance, enumeration, manual validation, exploitation, privilege escalation and post-exploitation activities within approved testing scope.
Assess authentication, authorization, session management, access control, business logic, input validation, API security, cryptography and configuration weaknesses.
Conduct internal and external network penetration tests covering network devices, exposed services, firewalls, VPNs, remote access and segmentation.
Perform vulnerability scanning and validation; prioritize findings based on severity, exploitability and business impact.
Produce technical VAPT reports containing evidence, risk ratings, affected assets, remediation recommendations and executive summaries.
Conduct remediation validation and retesting to confirm vulnerabilities have been effectively closed.
Support SOC operations through SIEM monitoring, alert investigation, event correlation, threat hunting and escalation of suspected incidents.
Develop, review and tune SIEM detection use cases, correlation rules, dashboards and alert thresholds.
Investigate suspicious endpoint, network and authentication activities using SIEM and EDR telemetry.
Perform security configuration reviews of firewalls, servers, endpoints, Active Directory, cloud resources and critical applications.
Collaborate with infrastructure, network, application development and IT operations teams to remediate vulnerabilities and strengthen controls.
Monitored SIEM, EDR and security infrastructure alerts and investigated potential threats and anomalous activities.
Performed log analysis across authentication, network, endpoint, application and security-device sources.
CORE COMPETENCIES
Application VAPT: Web Applications, APIs, Mobile Applications, Authentication & Business Logic
Network VAPT: Internal/External Infrastructure, Firewalls, Routers, Switches, VPNs and Network Services
Enterprise IT Security Assessment: Servers, Endpoints, Active Directory, Databases, Cloud and Security Devices
SOC Operations: Security Monitoring, Alert Triage, Incident Investigation, Escalation and Response Support
SIEM: Log Onboarding, Correlation Rules, Use Cases, Dashboards, Threat Detection and Tuning
Vulnerability Management: Scanning, Risk Rating, Remediation Tracking and Retesting
Penetration Testing: Reconnaissance, Enumeration, Exploitation, Privilege Escalation and Reporting
Threat Detection & Incident Response: IOC Analysis, Threat Hunting, Investigation and Evidence Preservation
Security Configuration Review: Firewall, OS, Network, Cloud, Endpoint and Application Controls
Security Reporting: Executive Findings, Technical Reports, Risk-Based Recommendations and Remediation Validation
Requirements
TECHNICAL SKILLS & TOOLS
VAPT / Offensive Security Expected / Preferred Experience :
Burp Suite, Nmap, Nessus/Tenable, Metasploit, Kali Linux, OWASP ZAP, SQLMap, Wireshark
Application Security: OWASP Top 10, OWASP ASVS, API Security, OWASP MASVS/MSTG, SAST/DAST
SOC / SIEM : CrowdStrike Falcon/SIEM, Microsoft Sentinel, Rapid 7, Splunk, QRadar or equivalent
EDR / XDR: CrowdStrike, Microsoft Defender, Sophos or equivalent
Network Security: FortiGate, Sophos, Cisco/enterprise firewalls, VPN, IDS/IPS, NAC, segmentation
Systems: Windows Server, Linux, Active Directory, Entra ID, databases and enterprise applications
Cloud Security: AWS/Azure fundamentals, IAM, logging, security groups and workload security
Scripting / Automation: Python, PowerShell and/or Bash
SELECTED VAPT RESPONSIBILITIES
Web Application and API Penetration Testing
Mobile Application Security Testing – Android/iOS
External and Internal Network Penetration Testing
Firewall and Network Device Security Assessment
Server and Endpoint Vulnerability Assessment
Active Directory and Identity Security Assessment
SIEM / SOC RESPONSIBILITIES
SIEM deployment support and onboarding of applications, servers, network devices, cloud services and security technologies.
Creation and tuning of security monitoring use cases for authentication, privilege escalation, malware, data exfiltration, suspicious network activity and configuration changes.
Threat hunting using endpoint, network, identity and application telemetry.
Investigation and correlation of alerts across SIEM, EDR/XDR, firewall and identity platforms.
SOC incident escalation, investigation support, root-cause analysis and lessons learned.
EDUCATION
B.Sc. / B.Tech. Computer Science, Cybersecurity, Information Technology or related discipline
PROFESSIONAL CERTIFICATIONS
Required / Preferred: SSCP, eJPT, CEH, OSCP or equivalent offensive-security certification
Preferred: CISSP, CCNA, GIAC, SC-900, CNSP, ITIL or equivalent security certification
Preferred: ISO/IEC 27001 or related information-security certification
Minimum qualifications
BA/BSc/HND
How to apply
Interested and qualified? Go to ARM Hold Co. on arm.seamlesshiring.com to apply
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