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Open nowPosted 8 days ago

Senior Security Operations Engineer

ynvgroup40 open roles

Where
Victoria Island Lagos, Lagos, Nigeria
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Your applicationOpen nowSenior Security Operations Engineerynvgroup · Victoria Island Lagos, Lagos, Nigeria

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The clock on this job

Early applications get read.

11.9% of postings close within 7 days. Measured by our own scanner across the market. ynvgroup postings stay open a median of 1 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.9%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 8 days ago

ynvgroup median: 1 days open

The posting

Overview

We're seeking a Senior Security Operations Engineer to serve as a senior technical security professional responsible for leading advanced threat detection, incident response, security engineering, cloud security, and security automation initiatives across the organization. The role acts as the technical escalation point for Security Operations and works closely with Infrastructure, Network, Cloud, and Architecture teams to design and implement secure solutions. The successful candidate will bring strong hands-on experience with Microsoft Security technologies, Azure Security, and Azure Networking, including the design and operation of enterprise-scale hybrid cloud environments.

At TeKnowledge, your work makes an impact from day one. We partner with organizations to deliver AI-First Expert Technology Services that drive meaningful impact in AI, Customer Experience, and Cybersecurity. We turn complexity into clarity and potential into progress—in a place where people lead and tech empowers.

You’ll be part of a diverse and inclusive team where trust, teamwork, and shared success fuel everything we do. We push boundaries, using advanced technologies to solve complex challenges for clients around the world.

Here, your work drives real change, and your ideas help shape the future of technology. We invest in you with top-tier training, mentorship, and career development—ensuring you stay ahead in an ever-evolving world.

Why You’ll Enjoy It Here:

  • Be Part of Something Big – A growing company where your contributions matter.
  • Make an Immediate Impact – Support groundbreaking technologies with real-world results.
  • Work on Cutting-Edge Tech – AI, cybersecurity, and next-gen digital solutions.
  • Thrive in an Inclusive Team – A culture built on trust, collaboration, and respect.
  • We Care – Integrity, empathy, and purpose guide every decision.

We’re looking for innovators, problem-solvers, and experts ready to drive change and grow with us.

We Are TeKnowledge. Where People Lead and Tech Empowers.

Responsibilities

  • Lead investigations of significant cybersecurity incidents and breaches, and act as the technical escalation point for complex security events.
  • Lead incident response activities, including containment, forensics, recovery, and lessons learned.
  • Conduct advanced threat hunting across endpoint, cloud, identity, and network environments.
  • Develop and continuously improve security monitoring use cases and detection strategies.
  • Design, implement, and maintain enterprise-wide security controls; lead security reviews for infrastructure, cloud, and application projects.
  • Define and maintain security hardening standards; drive the adoption of Zero Trust security principles.
  • Own and enhance Microsoft security services: Microsoft Sentinel, Microsoft Defender XDR, Defender for Endpoint, Defender for Identity, Defender for Office 365, Defender for Cloud Apps, Microsoft Defender for Cloud, Microsoft Purview, Microsoft Entra ID Protection, and Privileged Identity Management (PIM).
  • Create advanced KQL detections and custom analytics rules; build SOAR automations using Logic Apps; develop security playbooks and response automation; integrate new data sources and threat intelligence feeds.
  • Design, implement, secure, and troubleshoot Azure infrastructure across enterprise environments, including Azure Policy, Conditional Access, Key Vault, Entra ID security controls, and Cloud Security Posture Management.
  • Design and secure Azure networking environments: Virtual Networks (VNets), Hub-and-Spoke architectures, VNet Peering, Virtual Network Gateways, Azure Firewall, Azure Application Gateway / WAF, Azure Bastion, Private Endpoints, Private DNS, Route Tables, Virtual WAN, Network Watcher, ExpressRoute, and Site-to-Site VPN connectivity.
  • Lead the implementation and management of enterprise firewall platforms; define network segmentation strategies; support secure remote access solutions; review routing, VPN, and perimeter security designs.
  • Lead vulnerability management activities; prioritize remediation based on business risk and threat intelligence; drive attack surface reduction initiatives; validate remediation of critical findings.
  • Mentor and coach Security Operations Engineers; provide technical leadership during major incidents.
  • Develop operational standards, procedures, and playbooks; partner with Infrastructure, Network, Cloud, DevOps, and Compliance teams.

Qualifications

  • 5–9 years of professional experience in security operations, security engineering, cloud security, or a related technical security discipline.
  • Bachelor's degree in Information Security, Computer Science, Networking, or a related discipline (technical degree preferred).
  • Strong experience in Security Operations, Incident Response, Threat Hunting, Security Monitoring, Digital Forensics, Security Engineering, and the MITRE ATT&CK Framework.
  • Strong hands-on experience with Microsoft Security technologies: Microsoft Sentinel, Microsoft Defender XDR, Microsoft Defender Suite, Microsoft Purview, Microsoft Entra ID, and Microsoft Defender for Cloud.
  • Strong practical experience with Azure Security and Azure Networking, including Azure Hub-and-Spoke designs, Azure Firewall, VPN Gateways, ExpressRoute, VNet Peering, Route Tables, Private Networking, and Hybrid Connectivity.
  • Strong experience with KQL, PowerShell, and Logic Apps; Python experience preferred.
  • Understanding of Infrastructure as Code concepts.
  • Strong networking knowledge covering TCP/IP, DNS, routing, VPN technologies, network segmentation, and firewall architecture.
  • Professional English proficiency and professional proficiency in the local language.
  • Must have completed the compulsory 1-year NYSC or have an exemption certificate.
  • A valid and up to date National Identity Card/NIMC slip is required upon commencement of this role.
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