IT Security Support Officer at DET Consulting Limited

DET Consulting Limited is a Human Resource and Outsourcing solutions firm committed to helping organizations attract top talent, optimize workforce performance, and drive business growth. We specialize in recruitment, staff outsourcing, HR advisory, training, and payroll services, delivering customized solutions that align with organizational goals.

Our mission is simple: Empowering people, transforming businesses.

We are recruiting to fill the position below:

Job Title: IT Security Support Officer

Location: Lagos
Employment Type: Full-time

Job Overview

• The IT Security Support Officer will be responsible for maintaining the security and integrity of the organization’s IT systems and networks.
• This role involves monitoring, managing, and responding to security threats, implementing security protocols, and ensuring compliance with internal policies and regulatory standards.
• The ideal candidate will have strong technical knowledge in IT security tools, network monitoring, and endpoint protection, along with problem-solving skills to ensure a secure and resilient IT environment.

Key Responsibilities

• Monitor network and system activity for security breaches or anomalies
• Respond to security incidents and escalate issues as needed
• Implement and maintain firewalls, antivirus, endpoint protection, and intrusion detection systems
• Manage user access controls, authentication, and permissions
• Conduct vulnerability assessments and risk analysis of IT infrastructure
• Maintain documentation of security incidents, resolutions, and system changes
• Collaborate with IT, operations, and compliance teams to enforce security policies
• Assist in audits, regulatory compliance checks, and security reporting
• Provide guidance and training to staff on cybersecurity best practices.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field
• Relevant certifications such as CompTIA Security+, CEH, CISSP (associate), or CISM are an advantage.

Technical Competencies:

• Knowledge of firewalls and VPNs
• Strong knowledge of Multi-Factor Authentication (MFA), Single Sign-On (SSO), and Role-Based Access Control (RBAC)
• Experience with security monitoring tools (SIEM, IDS/IPS)
• Expertise in network security and endpoint protection
• Knowledge of Active Directory and identity/access management
• Understanding of Windows Server and Office 365 security configurations
• Awareness of cloud security principles (Azure, AWS) is an advantage.

Required Skills & Competencies:

• Strong problem-solving and analytical skills
• Excellent documentation and reporting abilities
• Effective communication and stakeholder management skills
• Ability to work independently and collaboratively within a team
• High level of attention to detail and professional integrity.

Salary
N400,000 - N500,000 monthly.

Application Closing Date
30th January, 2026.

How to Apply
Interested and qualified candidates should send their CV and application to: info.detconsultingltd@gmail.com using the job title as the subject of the mail.