Security Operations & Support Analyst

DEFENTRIXGLOBAL TECHNOLOGIES

Job Description: Security Operations & Support Analyst

Department: Cybersecurity / Managed Security Services

Reports to: Technical Lead : Managed Security Services

Employment Type: Full-Time

Location: Nigeria / Hybrid

Level: Junior to Mid-Level
Salary- Negotiable (Competitive) ​

Role Purpose

DefentrixGlobal Technologies is seeking a motivated Security Operations & Support Analyst to support the delivery of our managed cybersecurity services.

The successful candidate will work closely with the Technical Lead and DefentrixGlobal's security technology partners to onboard customers, deploy security solutions, monitor service health, manage security tickets and assist with investigations and customer support.

This position is ideal for someone with a strong foundation in IT and cybersecurity who wants to develop practical experience within a growing Managed Security Service Provider.

Key Responsibilities

1. Customer Onboarding

Assist with onboarding new customers onto DefentrixGlobal's managed security platforms, including:

• Endpoint onboarding

• Agent installation and deployment

• Microsoft 365 tenant onboarding

• Identity security onboarding

• SIEM/log-source onboarding

• Security Awareness Training setup

• Customer asset inventory

Maintain accurate onboarding records and ensure all expected endpoints and users are successfully enrolled.

2. Huntress Operations

Develop practical expertise across the Huntress platform, including:

• Managed EDR

• Managed ITDR

• Managed SIEM

• Managed ISPM

• Security Awareness Training

• Huntress Command Center

Monitor customer environments and work with the Technical Lead and Huntress SOC on alerts, investigations and remediation activities.

3. Endpoint & Agent Management

• Deploy Huntress and other authorised security agents.

• Use RMM, Intune, Group Policy and scripting tools where appropriate.

• Identify endpoints where agents are missing, unhealthy or offline.

• Troubleshoot failed installations.

• Maintain accurate endpoint inventories.

• Assist with software deployment and patch-management activities.

4. Security Ticket Management

Use DefentrixGlobal's service-management/ticketing platform to:

• Receive and categorise security tickets.

• Assign appropriate priority and severity.

• Document investigation activities.

• Escalate incidents according to established procedures.

• Communicate updates to customers.

• Maintain complete audit trails.

• Track incidents through to resolution and closure.

5. Security Monitoring & Investigation

Assist with:

• Reviewing security alerts

• Endpoint investigations

• Identity alerts

• Suspicious login investigations

• SIEM alerts

• IOC investigation

• Basic threat hunting

• Vulnerability findings

• Incident documentation

Escalate potentially serious incidents immediately to the Technical Lead.

6. Security Awareness

Support customer Security Awareness Training programmes by:

• Setting up campaigns.

• Managing user enrolment.

• Supporting phishing simulations.

• Monitoring completion rates.

• Identifying repeat-risk users.

• Preparing customer reports.

7. Reporting & Customer Health Checks

Assist in preparing:

• Monthly security reports

• Endpoint health reports

• Identity security reports

• Incident summaries

• SAT reports

• Customer security-health dashboards

• Service review information

Ensure customer information and technical documentation remain current.

Technical Knowledge

Candidates should have a working understanding of:

• Windows 10/11

• Windows Server

• Microsoft 365

• Active Directory

• Microsoft Entra ID

• Microsoft Defender

• Basic networking

• Endpoint security

• EDR concepts

• SIEM concepts

• Cybersecurity fundamentals

• MFA and identity security

• Basic PowerShell

Knowledge of MITRE ATT&CK, incident response, vulnerability management, RMM platforms or SOC operations would be advantageous.

Experience

Approximately 1–3 years of relevant IT, cybersecurity, helpdesk, SOC or technical-support experience is preferred.

Exceptional entry-level candidates with strong technical fundamentals, cybersecurity training and demonstrable willingness to learn may also be considered.

Preferred Certifications

Any of the following would be advantageous:

• CompTIA Security+

• CompTIA Network+

• Microsoft SC-900

• Microsoft SC-200

• Microsoft AZ-900

• Microsoft 365 certifications

• Google Cybersecurity Certificate or equivalent foundational cybersecurity training

Personal Attributes

The successful candidate should be:

• Curious and eager to learn

• Technically minded

• Detail-oriented

• Reliable

• Comfortable following structured processes

• Able to document technical work clearly

• Comfortable communicating with customers

• Able to recognise when an issue requires escalation

• Interested in developing a long-term career in cybersecurity

Career Development

DefentrixGlobal intends this role to develop into a broader Security Analyst / Security Engineer position as the organisation and customer base grow.

The successful candidate will gain practical exposure to managed detection and response, endpoint security, identity security, SIEM, incident response, security awareness, customer security operations and enterprise cybersecurity environments.

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Work Location: Hybrid remote in Lagos (Lagos)