Technical Security Engineer (Security Analyst) at Halogen Group

Halogen Group was incorporated as Halogen Security Company Limited in July 1992, to fill the yawning gaps in quality security services in Nigeria. We lead the West African security solutions market, as we continually focus on delivering valued solutions across the industry’s value chain for integrated safety and security solutions.

Job Summary:

The Technical Security Engineer (Security Analyst) is responsible for the design, deployment, monitoring, and maintenance of physical and digital security technologies across the company’s critical infrastructure. This role plays a key part in threat detection, vulnerability management, and the secure operation of access control, surveillance, and networked security systems in an oil and gas environment. The position combines hands-on engineering expertise with security analysis to mitigate risks and ensure system integrity.

Key Responsibilities:Physical/Technical Security:

• Design, implement, and maintain electronic security systems (CCTV, Access Control, Intrusion Detection, Perimeter Protection, Alarm Systems).
• Monitor and troubleshoot system performance and coordinate maintenance or upgrades.
• Conduct technical site surveys and system audits to ensure compliance and functionality.
• Work with integrators and vendors to deliver secure physical security infrastructure projects.
• Ensure all systems align with global oil and gas security standards and local regulations.

Cybersecurity/Network Security (if applicable):

• Analyze security logs and system activity to identify and respond to security threats or anomalies.
• Monitor and manage technical security tools such as SIEMs, firewalls, and intrusion prevention systems (IPS).
• Support incident response, threat intelligence, and vulnerability assessments of OT/IT networks.
• Collaborate with IT, HSE, and Operations teams on industrial control system (ICS) security initiatives.

General:

• Provide technical support during investigations and audits.
• Maintain documentation, asset inventories, SOPs, and training materials related to security technologies.
• Stay up to date on emerging security technologies, best practices, and industry-specific threats.

Key Requirements:

Education & Certification:

• Bachelor’s degree in Electrical/Electronic Engineering, Computer Science, Cybersecurity, or related field.
• Relevant certifications: CCNA Security, CompTIA Security+, CEH, CISSP (for cyber side); or Lenel, Honeywell, Genetec, Milestone (for physical security systems).
• Vendor certifications in specific systems (e.g., Avigilon, Axis, Gallagher, etc.) are a plus.

Experience:

• 3–7 years of experience in technical security engineering, preferably in energy, oil and gas, or critical infrastructure.
• Hands-on experience with design and deployment of physical security systems.
• Experience working in a hybrid security role (physical + cyber) is a strong advantage.

Skills & Competencies:

• Strong analytical, troubleshooting, and system integration skills.
• Good understanding of network protocols, IP-based systems, and control room architecture.
• Ability to interpret technical drawings and system schematics.
• Awareness of cyber-physical risks in OT/ICS environments.
• Excellent written and verbal communication, reporting, and documentation skills.