Senior Systems and Security Engineer at Revent Technologies Limited

Revent Technologies Limited is a technology solutions provider for dynamic organisations, providing bespoke software design and development, developer outsourcing and technology advisory, etc.

We are recruiting to fill the position below:

Job Title: Senior Systems and Security Engineer

Location: Lagos

Overview

• We are looking for an experienced Senior Systems and Security Engineer to join our dynamic team. You will play a pivotal role in securing, optimizing, and maintaining complex IT infrastructures.
• This position requires deep expertise in systems engineering and cybersecurity practices, enabling the provision of robust and secure technology solutions for our clients.

Key Responsibilities

• Network & Perimeter Security: Design, configure, and manage firewalls, VPNs, IDS/IPS, switches, routers, SDWAN, and secure network segments.
• Systems Administration: Configure, harden, patch, and maintain Windows and Linux servers; manage virtualization platforms (VMware, Hyper-V, Proxmox).
• Security Tooling: Deploy and operate EDR/XDR, SIEM, vulnerability scanners, Email security, AD-aaS and identity/access management solutions.
• Cloud Solutions: Architect, implement, and manage solutions in cloud environments (Azure, AWS, M365 & GSuite products).
• Vulnerability Management: Conduct regular scans, penetration tests, and security audits; coordinate remediation efforts.
• Incident Response: Monitor security events, investigate incidents, and lead containment and recovery actions.
• Collaboration & Integration: Partner with project teams and collaborate with 3rd parties to embed security controls into new deployments and application rollouts.
• Policy & Documentation: Develop and update comprehensive security policies, procedures, and technical documentation aligned with best practices.
• Mentorship & Support: Provide guidance and mentorship to junior engineers and collaborate effectively within teams.
• Continuous Improvement: Stay abreast of emerging threats, recommending enhancements to security infrastructure and processes.

Requirements

• Bachelor’s Degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Minimum 6 years’ experience in systems engineering, network security, or cybersecurity roles. Proficiency with Windows, MacOS and Linux administration, virtualization (VMware, Proxmox). Hands-on experience with security platforms: firewalls (Fortinet, Palo Alto, Cisco, etc.), SIEM (Splunk or Elastic), EDR/XDR (CrowdStrike or Sophos).
• Strong understanding of networking protocols (TCP/IP, DNS, DHCP, BGP, OSPF) and secure network design.
• Experience in AWS and Azure Solution Architecting, implementation, and hybrid architectures.
• Proficiency in M365 & GSuite products.
• Knowledge of SDWAN technologies.
• Excellent analytical, problem-solving, and communication skills.
• Strong documentation skills.
• Ability to work independently and mentor junior staff.

Good to Have:

• Professional certifications (CISSP, CISM, CEH, AWS Security or Solution Architect, Microsoft Security, CCNP, or relevant certifications).
• Knowledge of Hyper-V

What We Offer

• Competitive salary and benefits package
• Opportunity to work on exciting and innovative products
• Collaborative and dynamic work environment
• Professional development and growth opportunities

Application Closing Date
15th July, 2025.

How to Apply
Interested and qualified candidates should:
Click here to apply online