Dale Kallis

My path into IT and cybersecurity is not the typical one, but it is defined by a level of resilience and adaptability that I believe is genuinely rare at the entry level.

I began my career as a Financial Adviser at Liberty Group SA. Over four years, I mastered the art of translating complex information into clear, actionable guidance—often for clients in moments of deep uncertainty. This ability to communicate with empathy and clarity remains one of my greatest strengths.

In 2020, I transitioned into entrepreneurship, scaling a manufacturing operation from the ground up. However, by late 2023, I faced a complete business collapse. This experience forced me to start from scratch, driving for Bolt and reselling goods to survive. It was during this time that a chance conversation led me to the ISC2 cybersecurity certification.

Since then, I have dedicated myself to self-directed learning. I have spent months working through IT fundamentals, networking, and cybersecurity courses, spinning up virtual machines to move from theory into practice. I even attempted to launch a small cybersecurity business to fund my accredited exams.

What I offer is not just technical knowledge, but the character built through real-world adversity. I understand accountability, problem-solving under pressure, and the importance of building my own structure in ambiguous environments. I am ready to contribute from day one, learn faster than most, and earn the trust of your team.

Founder at Kallis Cyber Tech (2024-01 – Present)

Established a cybersecurity practice to build hands-on experience with enterprise-grade tools, focusing on threat detection, vulnerability management, and endpoint security aligned with the MITRE ATT&CK framework.

• SentinelOne EDR Operations: Utilized SentinelOne for deep endpoint visibility, leveraging behavioral AI to detect and quarantine malicious activity. Conducted forensic analysis using process trees to trace attack origins and applied rollback functionality to restore endpoints.
• Action1 Patch Management: Managed automated patch deployment for OS and third-party applications across endpoints, ensuring real-time software inventory and maintaining a hardened security baseline.
• Qualys Vulnerability Management: Performed comprehensive vulnerability scans and prioritized remediation based on risk scoring and exploitability. Generated compliance reports to track security posture improvements.
• MITRE ATT&CK & Threat Hunting: Mapped adversary TTPs to detection capabilities and proactively hunted for Indicators of Compromise (IoCs) using advanced query languages to identify hidden threats.

Cybersecurity Trainer at Dell (via Empresa Solutions) (2026-01 – 2026-01)

Delivered structured cybersecurity training to Dell staff through Empresa Solutions, covering the full spectrum of modern security operations and enterprise defense.

• Training & Curriculum Development: Developed and delivered technical training modules for Dell enterprise staff, facilitating hands-on labs and assessing knowledge retention on modern security stacks.
• Network Security Hardening: Instructed on network hardening, firewall configuration, and the implementation of IDS/IPS and ZTNA to secure distributed enterprise environments.
• IAM (Identity & Access Management): Covered the implementation of RBAC, MFA, and user lifecycle management within Active Directory and Azure AD to ensure least privilege access.
• Compliance & Governance: Guided staff through alignment with NIST CSF 2.0, ISO 27001, and regulatory requirements like GDPR and PCI-DSS to maintain enterprise-grade security standards.
• Incident Response & Forensics: Trained teams on the full IR lifecycle, from initial identification and containment to post-incident forensic analysis and recovery strategies.

National Senior Certificate