Durga Tejaswi Gunnala
Cleveland,OH
Summary
Cybersecurity professional with proven track record of safeguarding critical information systems and reducing potential threats. Known for collaborative problem-solving and delivering results in dynamic settings. Reliable and adaptable, with specialized skills in threat detection, vulnerability assessment, and compliance.
Overview
1
1
year of professional experience
1
1
Certification
Work History
Software & Cybersecurity Analyst
HCL Technologies
Hyderabad, India
09.2021 - 08.2022
- Resolved P1–P3 ServiceNow security/network incidents for healthcare clients, ensuring SLA compliance.
- Configured and troubleshot Palo Alto, Cisco, and Fortinet firewalls (policies, NAT, VPN, routing).
- Implemented least-privilege firewall rules with approvals, rollback plans, and post-change validation.
- Conducted firewall policy hygiene by removing stale rules, standardizing naming, and adding expiry reviews.
- Authored knowledge base/run-books and collaborated with cross-functional teams to reduce repeat incidents.
Education
Master of Science - Information Systems
Trine University
05.2024
Skills
- Cybersecurity & Network Security: Firewalls (Palo Alto, Cisco ASA, Fortinet), VPN, IDS/IPS, IAM, SIEM, Vulnerability Management
- Programming & Automation: Python, PowerShell, SQL, C, C; automation of reporting & testing workflows
- Cloud Security: AWS, GCP, Azure – IAM, VPC Service Controls, Cloud Armor, Cloud Security Command Center
- Tools & Platforms: ServiceNow, Splunk, Power BI
- Risk assessment
- Incident response
- Digital forensics
- Network security
- Vulnerability assessment
- Incident response management
- Penetration testing
- Data encryption
Accomplishments
- Achieved faster incident resolution through effectively helping with P1–P3 ServiceNow security/network tickets.
- Supervised a small team of 3 junior analysts, providing guidance on firewall troubleshooting and incident handling.
- Documented and resolved firewall misconfiguration issues, which led to improved network stability and a 20% reduction in repeat incidents.
Certification
- Technical support fundamentals (Google)
- SQL for Data Science (Coursera)
- Introduction to Cybersecurity (Coursera)
- Introduction to Python (Coursera)
- Java and C++ Programming (Training Certificate)
Timeline
Software & Cybersecurity Analyst
HCL Technologies
09.2021 - 08.2022
Master of Science - Information Systems
Trine University