Alexandru Casian
Cybersecurity Engineer
5+ years exp
SQL
PowerShell
Python
Active 8 days ago
+40 (743) 609322 Invite to interview
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Overview
Technical skills
Timeline
Roles
Overview
Cybersecurity professional focused on cloud and security assessment work, including penetration testing and security strategy for Kubernetes-based environments. Recent experience includes securing Azure and AWS with IAM, Zero Trust-aligned hardening, and Microsoft 365 protections, leading vulnerability management, and migrating SIEM capabilities to Microsoft Sentinel. Previously worked as a security consultant/pentester and as a cybersecurity project manager aligned with ASPICE and ISO 21434.
Technical skills
SQL
PowerShell• Middle • 5y+
Python• Middle • 5y+
Databases
Neo4j
DevOps
CI/CD
Rest API
SLI/SLO/SLA
Docker• 5y+
Kubernetes• 5y+
AWS
Azure
Azure DevOps
Harbor
Cybersecurity
BloodHound
Threat Modeling
Burp Suite• 5y+
Cobalt Strike• 5y+
Metasploit• 5y+
Nessus• 5y+
Nmap• 5y+
OWASP ZAP• 5y+
Microsoft Sentinel
Semgrep
Zero Trust
Timeline
Principal Security Engineer
•
Lead
Axway
•
Full-Time
Secured Azure and AWS cloud environments using IAM controls such as RBAC/PIM, network segmentation and Zero Trust-aligned hardening, including reducing excessive privileged access. Managed Microsoft 365 security with Conditional Access, MFA, Defender for Endpoint/Office 365 and DLP policies. Led vulnerability management across cloud workloads and drove SIEM migration to Microsoft Sentinel with detection rule migration and response playbooks. Provided Level 3 SOC and forensic support using Azure AD, AWS CloudTrail and M365 logs.
AWS
Azure
Microsoft Sentinel
Zero Trust
Security Chapter Lead
•
Lead
VOIS
•
Full-Time
Led the security stream of a global migration project to Oracle Kubernetes Engine (OKE) and defined a DevSecOps program embedding security into CI/CD workflows. Integrated SAST (Semgrep), DAST (Burp Suite), SCA, secrets scanning and container image scanning into pipelines using Azure DevOps/GitHub. Conducted threat modeling sessions across Kubernetes clusters, Harbor registries and ingress/egress patterns, and created CI/CD security gates to prevent vulnerable or non-compliant artifacts from being deployed. Executed 20+ penetration tests across enterprise networks and cloud infrastructures, including privilege escalation scenarios.
Azure DevOps
Semgrep
Burp Suite
Harbor
Neo4j
Metasploit
Nmap
Kubernetes
Security Expert
•
Middle
VOIS
•
Full-Time
Led security assessments for new Oracle Kubernetes Engine (OKE) clusters deployed on-prem to ensure compliance with organizational security policies and best practices. Designed security architecture for migration from on-prem VMs to Kubernetes containers in Oracle Cloud. Implemented Kubernetes security controls using RBAC and container runtime protections, and ensured secure migration through vulnerability assessments and encrypted data transfer. Produced security documentation including assessment reports, risk assessments and remediation plans for stakeholders.
Kubernetes
Security consultant/Pentester
•
Middle
WithSecure
•
Full-Time
Performed penetration testing across network protocols, web applications and REST/SQL-based systems, including assessments of virtualized and cloud environments. Used tools such as Burp Suite, OWASP ZAP, Nessus, Nmap, Metasploit and Cobalt Strike for vulnerability discovery and exploitation. Applied intermediate scripting skills in Python and PowerShell/Bash to support testing and analysis, and used container tooling concepts with Docker and Kubernetes where relevant to targets.
Burp Suitesince 2021
OWASP ZAP
Nessus
Nmapsince 2021
Metasploitsince 2021
Cobalt Strike
Python
PowerShell
Docker
Kubernetessince 2021
Cybersecurity project manager
•
Lead
Luxoft
•
Full-Time
Led a small team implementing cybersecurity procedures for Luxoft Automotive business processes aligned with ASPICE and ISO 21434. Coordinated with internal and external stakeholders to clarify and shape technical requirements and decomposed requirements into work items such as stories and WBS. Used workflow and collaboration tools including Jira and Confluence and supported modeling and description of business processes and customer journey maps. Produced reports with technical findings, risk ratings and prioritized remediation recommendations for both technical and non-technical audiences.
Jira
Confluence