Computer Security Specialist Job Description and Role Profile

The Computer Security Specialist plays a central role in protecting an organisation's information assets. Candidates with experience in threat analysis, incident management and security controls should apply. This role suits professionals who combine technical expertise with clear communication and a methodical approach to risk reduction.

Computer Security Specialist Job Profile

The Computer Security Specialist is responsible for identifying, analysing and reducing security risks across IT systems and networks. This role focuses on implementing security controls, monitoring for threats, and coordinating responses to security incidents to maintain confidentiality, integrity and availability of information.

The specialist works with technical teams and stakeholders to embed security best practice into operational processes and projects. The position requires both proactive risk mitigation and reactive incident handling, with clear documentation and regular reporting to senior IT and security stakeholders.

Computer Security Specialist Job Description

The Computer Security Specialist conducts security assessments, monitors system activity and leads technical incident response efforts. They analyse vulnerabilities and attack vectors, recommend corrective actions and oversee the application of security patches and configuration changes. Regular review of logs and alerts is expected to detect anomalous behaviour promptly.

The role involves developing and maintaining security policies, standards and procedures aligned to recognised security frameworks. The specialist collaborates with network, system and application teams to ensure secure design and deployment of systems, and contributes to security-focused projects and audits.

Effective communication with technical and non-technical stakeholders is required to explain risk, justify control measures and provide guidance on secure practices. The role may require out-of-hours incident handling and close liaison with external parties when third-party systems are involved.

Computer Security Specialist: Duties and Responsibilities

• Conduct regular vulnerability assessments and coordinate remediation activities.
• Monitor security logs and alerts to detect and investigate suspicious activity.
• Lead or support incident response, including containment, eradication and recovery actions.
• Perform root cause analysis and prepare technical incident reports for stakeholders.
• Develop, update and enforce information security policies, standards and procedures.
• Assess security risks for new systems, applications and infrastructure changes.
• Manage access controls and review user privileges to enforce the principle of least privilege.
• Coordinate patch management and configuration hardening activities across environments.
• Support security testing activities, including vulnerability scanning and penetration testing coordination.
• Provide technical guidance to project teams on secure design and implementation.
• Maintain security documentation, runbooks and incident playbooks for operational readiness.
• Conduct security awareness briefings and contribute to staff training programmes.
• Assist with compliance audits and support remediation of audit findings.
• Analyse threat intelligence and apply relevant findings to improve defences.

Computer Security Specialist: Requirements and Qualifications

• Degree in computer science, information technology or a related discipline, or equivalent practical experience.
• Proven experience working in information security, cyber security or a related IT role.
• Practical knowledge of network and host security concepts, protocols and controls.
• Experience with vulnerability assessment, incident response and forensic analysis methodologies.
• Familiarity with security standards and regulatory requirements relevant to the organisation.
• Strong analytical and problem solving skills with attention to detail.
• Ability to communicate technical issues clearly to both technical teams and business stakeholders.
• Experience preparing technical reports, security documentation and incident summaries.
• Competence in scripting or automation to support monitoring and response tasks.
• Ability to prioritise workloads and manage multiple security activities concurrently.
• High level of personal integrity and commitment to maintaining confidentiality.
• Willingness to participate in on-call rota or out-of-hours incident handling when required.