Senior Cybersecurity Architect

Placements24; United States; On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Competitive salary

Executive bonuses

Medical, dental, and vision

Retirement plan with company matching

Paid time off and holidays

Advanced training and conferences

Job summary

Placements24 is seeking a highly experienced Senior Cybersecurity Architect for an on‑site role in Randburg. You will design, implement, and manage robust security architectures across on‑prem, cloud, and hybrid environments, leading security reviews and mentoring teams.

The ideal candidate has deep threat modeling, risk assessment, and cloud security expertise, with strong communication and leadership skills.

Qualifications

• Bachelor's degree in Computer Science, Information Security, or related field; Master’s preferred.
• Minimum 8 years of cybersecurity experience with security architecture focus.
• Experience designing/implementing security solutions across Windows, Linux, cloud.
• Knowledge of networking, cryptography, authentication, authorization, security frameworks.
• Cloud security architectures (AWS, Azure, GCP) and microservices security.
• Familiar with WAFs, IDS/IPS, SIEM, EDR, vulnerability management tools.
• CISSP, CCSP, or SABSA certifications valued.

Responsibilities

• Design and implement secure, scalable cybersecurity architectures for on‑premises, cloud, and hybrid environments.
• Develop and maintain security blueprints, standards, and guidelines.
• Conduct threat modeling and risk assessments for systems and applications.
• Evaluate and recommend new security technologies to enhance posture.
• Collaborate with IT and business stakeholders to embed security in SDLC.
• Provide expert guidance on security best practices and architectural decisions.
• Lead security reviews and provide technical leadership to teams.
• Develop and maintain security policies, procedures, and documentation.
• Stay abreast of emerging threats and contribute to incident response planning.

Skills

Security architecture

Threat modeling

Risk assessment

Cloud security

Leadership

Education

Bachelor's degree in CS or related

Master's degree preferred

Tools

WAFs

IDS/IPS

SIEM

EDR

Vulnerability management

Job description

Our client, a leading financial technology firm located in Randburg, Gauteng , is seeking a highly experienced Senior Cybersecurity Architect. This critical role involves designing, implementing, and managing robust cybersecurity architectures that protect the company's complex IT infrastructure and sensitive client data. You will play a key part in defining the organization's security vision and strategy, ensuring it aligns with business objectives and industry best practices. The ideal candidate will possess extensive experience in security design, threat modeling, and risk assessment, with a proven ability to translate complex security requirements into actionable architectural plans. This is an on-site position, fostering close collaboration with development, infrastructure, and security operations teams in our Randburg headquarters.

Key Responsibilities

• Design and implement secure, scalable, and resilient cybersecurity architectures for on-premises, cloud, and hybrid environments.
• Develop and maintain security blueprints, standards, and guidelines.
• Conduct threat modeling and risk assessments for new and existing systems and applications.
• Evaluate and recommend new security technologies and solutions to enhance the organization's security posture.
• Collaborate with IT and business stakeholders to understand requirements and ensure security is integrated throughout the system development lifecycle.
• Provide expert guidance on security best practices and architectural decisions.
• Develop and maintain security policies, procedures, and documentation.
• Lead security reviews and provide technical leadership to the security and IT teams.
• Stay abreast of emerging cybersecurity threats, trends, and technologies.
• Contribute to incident response planning and execution.

Requirements

• Bachelor’s degree in Computer Science, Information Security, or a related field; Master’s degree or equivalent experience is preferred.
• Minimum of 8 years of experience in cybersecurity, with a significant focus on security architecture.
• Proven experience designing and implementing complex security solutions across various platforms (Windows, Linux, cloud).
• In-depth knowledge of networking protocols, cryptography, authentication, authorization, and security frameworks (e.g., NIST, ISO 27001).
• Experience with cloud security architectures (AWS, Azure, GCP) and microservices security.
• Familiarity with security tools such as WAFs, IDS/IPS, SIEM, EDR, and vulnerability management systems.
• Strong analytical, problem-solving, and strategic thinking skills.
• Excellent communication, presentation, and interpersonal skills.
• Ability to lead technical initiatives and mentor junior staff.
• Relevant certifications such as CISSP, CCSP, or SABSA are highly valued.

Benefits

• Highly competitive salary and executive bonuses.
• Comprehensive medical, dental, and vision coverage.
• Generous retirement plan with company matching.
• Paid time off and paid holidays.
• Opportunities for advanced training and industry conference participation.
• A challenging and rewarding role within a leading fintech company in Randburg .
• Access to cutting-edge security technologies and a stimulating work environment.