Cyber Security L3

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Join to apply for the Cyber Security L3 role at Intertec Systems

Certifications
CISSP, CISM, CISA, CompTIA Security+ or equivalent
Cisco CCNA Security or similar, CEH, GIAC, Microsoft SC-200
AI-related training or certification will be considered an added advantage

Experience
Minimum 8-10 years of hands-on experience in cybersecurity operations, SOC & NOC environments, and security infrastructure management

Responsibilities (includes All Tasks)

• Monitoring, analyzing, and responding to security incidents using SIEM and other security tools
• Maintaining endpoint and network security, managing access controls, supporting vulnerability and patch management, and ensuring compliance with ISO 27001 and other standards
• Regular system hardening, firmware updates, configuration backups, and documentation
• Audit readiness support, threat hunting, and collaboration with internal teams to maintain a secure IT environment

• Perform triage and investigation of security events and escalate to infosec lead when needed
• Conduct daily health checks on firewalls, endpoints, security appliances, and SIEM systems
• Support and manage endpoint protection platforms, email security, and web filtering systems
• Participate in threat hunting activities and analyse suspicious activities or anomalies
• Coordinate and support vulnerability assessments and ensure timely patch compliance
• Maintain system hardening, secure configurations, and adhere to CIS benchmark standards
• Ensure security controls and processes align with ISO 27001, NIST, and other relevant frameworks
• Assist in preparing and participating in internal and external ISO audits
• Prepare and maintain accurate and up-to-date security process and documentation, audit logs, SOPs, and reports
• Perform regular configuration backups and firmware updates for security infrastructure
• Administer and maintain IAM, MFA, and PAM systems to ensure secure access controls
• Collaborate with infrastructure and application teams to support secure system operations
• Respond to audit findings, implement remediation steps, and ensure closure of compliance gaps
• Contribute to security awareness by documenting incidents, lessons learned, and procedures
• Participate in 24/7 on-call rotation or scheduled maintenance windows when required

MANDATORY

• Experience working with enterprise firewalls such as Palo Alto, FortiGate, Cisco ASA/FTD
• Strong hands-on knowledge of SIEM tools (e.g., Splunk, QRadar, SolarWinds SEM) for log monitoring and threat detection
• Exposure to endpoint protection platforms such as CrowdStrike, SentinelOne, or Microsoft Defender, Forcepoint DLP
• Hands-on experience with VPN, NAC, and network security policies
• Hands-on experience with WAF F5 ASM, Barracuda
• Working knowledge of Vulnerability Management tools like Nessus or Qualys
• Proficiency in managing IAM, including MFA and PAM (CyberArk, Delinea/Centrify)
• Practical experience with PCI-DSS, ISO 27001 audits, security documentation, and compliance reporting
• Security hardening and application of CIS benchmarks
• Ability to perform firmware upgrades, backup configuration, and system maintenance
• Hands-on experience on email security gateways (e.g., Proofpoint, Forcepoint, Cisco ESA, Mimecast)
• Hands-on experience on Web proxy solutions (e.g., Forcepoint, Zscaler, Cisco WSA)

OPTIONAL

• Cloud Security Experience (Azure, AWS, or GCP)
• Antivirus Symantec
• Cloud firewall configurations
• IAM policies for cloud resources
• Monitoring and logging in cloud environments
• Basic scripting and automation for SIEM/SOAR workflows
• Experience in hybrid or multi-cloud security implementations
• Experience with AI-based implementation or support will be considered an added advantage

• Strong analytical and problem-solving ability
• Excellent written, verbal communication, and presentation skills
• Clear and accurate documentation skills
• Proven experience in team leadership and collaboration, with the ability to work effectively across departments
• High attention to detail and proactive security mindset

• Director

• Full-time

• Information Technology

• IT Services and IT Consulting

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