Himanshu Vashist
Security Engineer
Sector-59 Faridabad Haryana
Summary
Network Security Engineer with 3.5+ years of experience in network security, security operations, and enterprise infrastructure protection. Skilled in firewall management, SIEM, vulnerability assessment, VPN, IDS/IPS, Attack Surface Management (ASM), threat intelligence, signature-based detection, and ACL implementation. Experienced in client-facing deployments, secure infrastructure delivery, and managing enterprise and air-gapped environments with focus on security, availability, and operational excellence.
Overview
3
3
years of professional experience
3
3
Certifications
Work History
Security Engineer
Underscore Cybersecurity Pvt Ltd.
04.2026 - Current
- Managed Attack Surface Management (ASM) activities to identify, assess, and reduce internal exposure, and security risks across enterprise infrastructure.
- Performed vulnerability assessment, security validation, and controlled penetration testing activities to identify and remediate security weaknesses.
- Administered centralized event log aggregation and security monitoring platforms for log collection, retention, event analysis, and operational visibility.
- Worked with Linux-based security environments and leveraged open-source security tools for monitoring, analysis, automation, and system hardening.
- Configured and maintained critical network services, including NTP, DHCP, and DNS, to ensure reliable, synchronized, and secure infrastructure operations.
- Applied MITRE ATT&CK techniques to improve threat visibility, detection coverage, and secure Internet access controls.
- Configured, deployed, and optimized network threat detection and signature-based security controls, aligned with threat intelligence and adversary behavior frameworks.
- Supported deployment, integration, and operational management of enterprise security infrastructure across production and isolated environments.
Network Security Engineer
Softlabs Infotech Pvt Ltd.
11.2023 - 04.2026
- Established, configured, and maintained enterprise network security infrastructure to enhance security posture, enforce access controls, and ensure high availability across production environments.
- Designed, deployed, and monitored IPSec and SSL VPN solutions for secure remote connectivity across distributed environments.
- Configured and optimized Access Control Lists (ACLs), NAT, routing policies, and security rules to enforce organizational security standards.
- Administered and monitored SIEM platforms for log analysis, security event correlation, threat detection, and incident investigation.
- Managed and maintained Intrusion Prevention Systems (IPS) and Intrusion Detection Systems (IDS) to identify and mitigate network threats.
- Performed network packet analysis, troubleshooting, and performance optimization using Wireshark and diagnostic tools.
- Configured and supported Layer 2/Layer 3 networking devices, including routers, switches, VLANs, and network segmentation.
- Deployed and managed security solutions across enterprise and air-gapped network environments, while ensuring compliance, availability, and operational continuity.
- Performed security assessments and implemented remediation measures to reduce vulnerabilities, and improve overall security posture.
- Coordinated with client teams for implementation, troubleshooting, change management, and secure infrastructure delivery.
- Prepared and deployed production-ready server environments, ensuring secure, stable, and optimized operations.
Education
Bachelor of Science - Information Technology
Rawal Institute of Engineering & Technology
Faridabad, India 04.2001 -
CCNA- Global Certified - Network Associate
Cisco Certifications
04.2001 -
Forcepoint NGFW System Engineer -
Forcepoint
04.2001 -
AWS Certified Solution Architect-Associate -
AWS Cloud
04.2001 -
NPTEL Certification -
NPTEL
04.2001 -
Skills
Network Security
CCNA-Certified
- Firewall Administration
SIEM IDS IPS VPN
Switch Router
Linux Security Open-Source Security Tools
Secure Internet Access Network Segmentation
Server Deployment High Availability
Network Architecture Deployment & Integration
Production & Air-Gapped Environment Support
Network Diagram Documentation BOQ
Websites
Certification
CCNA – Cisco Certified Network Associate
Additional Highlights
- Strong understanding of OSI layers, TCP/IP headers, and 3-way handshake.
- Experience in managing NIPS, WAF, and Load Balancer configurations.
- Familiar with automation and scripting for operational efficiency.
- Ability to handle multiple priorities under pressure and tight timelines.
Timeline
Security Engineer
Underscore Cybersecurity Pvt Ltd.
04.2026 - Current
Network Security Engineer
Softlabs Infotech Pvt Ltd.
11.2023 - 04.2026
Bachelor of Science - Information Technology
Rawal Institute of Engineering & Technology
04.2001 -
CCNA- Global Certified - Network Associate
Cisco Certifications
04.2001 -
Forcepoint NGFW System Engineer -
Forcepoint
04.2001 -
AWS Certified Solution Architect-Associate -
AWS Cloud
04.2001 -
NPTEL Certification -
NPTEL
04.2001 -