Security Design & Implementation Expert

stc; Riyadh; On-site; SAR 120,000 - 180,000; Full time

Job summary

STC is seeking a seasoned cybersecurity professional to design and maintain security architecture across our networks and systems. The role focuses on proactive threat detection, incident response, and adherence to regulatory requirements and best practices.

You will contribute to SOC design, work with vendors on deployments, and implement layered security controls including SIEM/EDR/IDS/IPS to safeguard critical assets and data.

Qualifications

• Educational level required: Bachelor's Degree.
• Minimum 3–6 years of relevant experience.
• Most preferred fields: Network Security, Information Technology, or related field.

Responsibilities

• Design network security frameworks to protect infrastructure and data.
• Develop and maintain specialized network and cybersecurity architecture.
• Establish device-level security guidelines including access controls and encryption.
• Support design and ongoing enhancement of the Mission-Critical SOC.
• Coordinate vendor activities for SOC deployment and security upgrades.
• Implement and monitor security solutions (firewalls, IDS, antivirus).
• Integrate threat detection tools (SIEM, EDR, IDS/IPS) for real-time monitoring.
• Develop and maintain vulnerability assessment plans across systems, networks, and apps.
• Improve penetration testing and vulnerability management methodologies; develop incident response playbooks.

Skills

Cybersecurity architecture

Network security

Threat detection

Incident response

Security operations

Vendor coordination

Education

Bachelor's Degree in IT / related field

Tools

SIEM

EDR

IDS/IPS

Job description

Job Purpose

The role holder is responsible for designing specialized's cybersecurity and network security architecture, frameworks, and protocols to safeguard infrastructure, systems, and data from cyber threats. ensures proactive detection, prevention, and response measures are implemented in alignment with regulatory requirements and industry best practices. The role holder shall carry out his duties in accordance with the stipulated business policies and procedures.

Key Functional Accountability

• Design network security frameworks to protect infrastructure, technology assets, and data, in line with cybersecurity strategies and industry regulations.
• Develop and maintain specialized's network and cybersecurity architecture to safeguard digital environments and ensure resilience against cyber threats.
• Establish device-level security guidelines for Mission-Critical and Business-Critical, including access controls, encryption standards, and authentication protocols.
• Support the design, implementation, and continuous enhancement of the Mission-Critical Security Operations Center (SOC) to enable proactive threat detection, incident response, and mitigation.
• Coordinate vendor activities related to SOC deployment and cybersecurity system upgrades, ensuring compliance with specialized's technical and security requirements.
• Implement and monitor preventative security solutions such as firewalls, intrusion detection systems, and antivirus tools to protect the organization from external threats.
• Support the integration of advanced threat detection tools (e.g., SIEM, EDR, IDS/IPS) to enable real-time security monitoring and response capabilities.
• Develop and maintain vulnerability assessment plans across specialized's systems, networks, and applications to detect and resolve potential weaknesses.
• Improve and adapt penetration testing and vulnerability management methodologies in response to emerging cybersecurity challenges. -Develop and maintain incident response playbooks and communication protocols to minimize damage from security breaches and report Mission-Critical -related breaches to the MCC as required.

Job Requirement

Educational Level: Bachelor's Degree

Minimum Years of Relevant Experience: 3-6 Years

Most Preferred Education Field: Network Security, Information Technology, or any related field