Infra Security Ops Engineer

Job Summary

The Infra Security Operations Engineer is responsible for implementing, monitoring,

maintaining, and improving the security of the organization's IT infrastructure. This role

focuses on infrastructure security operations across network, servers, cloud, and

endpoint environments, ensuring security controls are effectively implemented to

protect IT systems, data, and business operations. The role also supports security

incident investigation, vulnerability remediation, infrastructure hardening, compliance

requirements, and continuous improvement of infrastructure security practices.

Key Responsibilities

• Infrastructure Security Operations
• Monitor and maintain the security of IT infrastructure, including servers, networks,
  
  

cloud environments, and endpoint systems.

• Implement and maintain infrastructure security controls in accordance with the
  
  

organization's IT security policies, standards, and operational requirements.

• Perform infrastructure security configuration reviews and ensure systems are
  
  

securely configured and hardened.

• Monitor security alerts, identify potential threats, and investigate suspicious
  
  

activities affecting infrastructure environments.

• Support the implementation and maintenance of firewalls, access controls,
  
  

endpoint protection, and other infrastructure security solutions.

• Conduct routine security checks to identify misconfigurations, weaknesses, and
  
  

potential security risks.

• Vulnerability & Patch Management
• Conduct regular vulnerability assessments and coordinate the remediation of
  
  

identified vulnerabilities across infrastructure environments.

• Monitor security advisories and assess their potential impact on the
  
  

organization's IT systems.

• Coordinate infrastructure patching, security updates, and remediation activities
  
  

to address known vulnerabilities.

• Track remediation progress and ensure security issues are addressed within the
  
  

required timelines.

• Validate the effectiveness of remediation activities and maintain records of
  
  

vulnerability findings and closure status.

• Work with infrastructure and application teams to prioritize remediation based on
  
  

risk and business impact.

• Security Incident Monitoring & Response
• Monitor, investigate, and respond to infrastructure-related security incidents and
  
  

alerts.

• Perform initial analysis of security events, identify potential root causes, and
  
  

escalate incidents requiring further investigation.

• Coordinate with the Information Security, IT Infrastructure, and relevant technical
  
  

teams to contain and resolve security incidents.

• Support incident response activities, including evidence collection, investigation,
  
  

recovery, and documentation.

• Prepare incident reports and recommend corrective and preventive measures to
  
  

reduce the likelihood of recurrence.

• Participate in post-incident reviews and support continuous improvement of
  
  

security monitoring and response procedures.

• Network, Server & Cloud Security
• Support the implementation and maintenance of security controls across
  
  

enterprise network infrastructure, including LAN, WAN, Wi-Fi, VPN, and firewalls.

• Ensure appropriate access controls and security configurations are maintained
  
  

across servers, operating systems, virtualization platforms, and cloud

infrastructure.

• Review user and privileged access permissions to ensure access is granted
  
  

according to business requirements and security policies.

• Support the implementation of secure configurations, network segmentation, and
  
  

other infrastructure protection measures.

• Work with infrastructure teams to address security gaps and ensure infrastructure
  
  

changes comply with established security requirements.

• Support security reviews for new infrastructure deployments, upgrades, and
  
  

technology changes.

• Security Compliance & Risk Management
• Ensure infrastructure security operations comply with internal IT security policies,
  
  

standards, procedures, and applicable regulatory requirements.

• Support internal and external IT security audits by providing relevant
  
  

documentation, evidence, and technical information.

• Track infrastructure-related audit findings, security risks, and remediation actions
  
  

to ensure timely closure.

• Maintain accurate documentation of security configurations, incidents,
  
  

vulnerabilities, and operational activities.

• Identify infrastructure security risks and recommend appropriate mitigation
  
  

measures.

• Support periodic reviews of security controls and operational procedures to
  
  

improve compliance and reduce technology risks.

• Security Operations Improvement & Collaboration
• Collaborate with the Information Security, IT Infrastructure, application, and
  
  

business teams to address infrastructure security requirements.

• Support the implementation and improvement of security monitoring, alerting,
  
  

reporting, and response processes.

• Identify opportunities to automate repetitive security operations and improve
  
  

operational efficiency.

• Maintain security operations reports, incident records, vulnerability tracking, and
  
  

remediation updates.

• Participate in infrastructure and cybersecurity projects to ensure security
  
  

requirements are incorporated into implementation and deployment activities.

• Stay informed about emerging infrastructure threats, vulnerabilities, and security
  
  

technologies relevant to the organization's operating environment.

Job Requirements

• Bachelor's Degree in Information Technology, Computer Science, Computer
  
  

Engineering, Cybersecurity, or a related field.

• Relevant experience in IT infrastructure, infrastructure security, cybersecurity
  
  

operations, network security, or systems administration.

• Hands-on experience in infrastructure security monitoring, vulnerability
  
  

management, patch management, and security hardening.

• Good understanding of enterprise IT infrastructure, including servers, operating
  
  

systems, networks, virtualization, cloud platforms, and endpoint environments.

• Experience with network security technologies, including firewalls, VPN, network
  
  

access controls, and network monitoring tools.

• Familiarity with security monitoring tools, security event analysis, and incident
  
  

response processes.

• Knowledge of access management, privileged access controls, endpoint
  
  

protection, and infrastructure security best practices.

• Understanding of vulnerability assessment processes, risk prioritization, and
  
  

remediation tracking.

• Familiarity with cloud security concepts and security controls across on-premise
  
  

and cloud environments.

• Understanding of IT security policies, compliance requirements, audit processes,
  
  

and risk management practices.

• Strong analytical, troubleshooting, and problem-solving skills.
• Good communication and documentation skills, with the ability to collaborate
  
  

effectively with cross-functional technical teams.

• Ability to manage multiple security issues and operational priorities in a fast
  
  

paced environment.

• Relevant certifications such as CompTIA Security+, CEH, CISSP, CISM,
  
  

CCNA/CCNP Security, Microsoft Security, AWS Security, or other infrastructure

security-related certifications are an advantage.

At MR DIY International, we're more than a global home improvement brand, we're a catalyst for ambitious talent ready to grow beyond borders.

With over 5,000+ stores across 15 countries globally, we offer unmatched international exposure to those looking to build a meaningful, global career.

From retail operations and merchandising to strategy, tech, and supply chain. Your work here shapes how millions of customers shop every day.

Our Culture Is Built On GIVE

Growth: Rapid development opportunities at every stage of your journey.

International Exposure: Cross-border collaborations and secondments.

Value Creation: Real ownership, real impact.

Empowerment: A culture that trusts you to lead and innovate.

If you're driven, adaptable, and eager to be part of a high-impact team, MR DIY International is where you build, lead, and thrive.