Senior Network Security Engineer & Architect
I am a dynamic and results-driven Senior Network Security Engineer with more than 10 years of experience designing, implementing, and securing enterprise networks across banking, manufacturing, and consulting industries.
Professional Expertise
I specialize in multi-vendor environments and modern network paradigms:
- Vendors: Cisco, Palo Alto, Fortinet, Aruba, F5.
- Focus Areas: Zero Trust Architecture, Network Automation, and Data Center Modernization (VXLAN, NDFC, SD-Access).
- Automation: Enhancing operational efficiency using Python and Bash.
Leadership & Methodology
Beyond technical implementation, I have a proven track record as a Network Security Team Lead. I am experienced in:
- Managing cross-functional and self-organizing engineering teams.
- ITSM & Change Management within Agile/Scrum frameworks.
- Improving SLA performance through DevSecOps collaboration.
“Building secure, automated and scalable network infrastructures — one architecture at a time.”
Tech Stack at a Glance
| Category | Technologies |
|---|---|
| Security | Cisco ISE, ClearPass, Firepower, FortiGate, Palo Alto NGFW |
| Delivery | F5 LTM/GTM |
| Monitoring | SolarWinds, OpManager |
Connect & Follow My Work
Feel free to reach out for professional inquiries or follow my technical deep dives:
- LinkedIn: Barash Helvadzhaoglu — Professional networking and career updates.
- Xing: Barash Helvadzhaoglu — Business networking in the DACH region.
- Substack: Technical Notes & Insights — Subscribe for in-depth network security and architecture articles.
- Email: info@barashhelvadzhaoglu.com