Lead/Senior Security System Engineer - Network Cloud

EPAM Systems; Bengaluru; On-site; INR 2,400,000 - 4,000,000; Full time

Benefits offered by this job

Health benefits

Retirement benefits

Paid time off

Learning opportunities

Job summary

EPAM Systems is seeking a Lead/Senior Security System Engineer in Bengaluru to design, implement, and operate secure network segmentation across regional and Global networks. You will work with Check Point gateways, Palo Alto firewalls, Zscaler (IaaS/Private Access), and Cloudflare for DDoS protection.

The role blends architecture, hands-on engineering, and L3/L4 leadership, including automation with Terraform and Ansible, and policy-driven connectivity within strict regulatory requirements.

Qualifications

• Strong background in network security architecture and engineering.
• 0,
• Experience with multiple security vendors and firewall clusters.

Responsibilities

• Design trust zones, inter-zone controls, and micro-segmentation for regional and Global networks.
• Lead L3/L4 incident response and coordinate RCAs.

Skills

Network security architecture

Firewall design

Zero-trust access

SIEM tooling

Automation & IaC

Education

Bachelor's degree in CS or related

Tools

Check Point gateways

Palo Alto firewalls

Zscaler IaaS

Zscaler Private Access

Cloudflare

Terraform

Ansible

Job description

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.We are seeking a Lead/Senior Security System Engineer to design, implement, and operate secure, compliant network segmentation between regional environments and Global networks, using a standardised control stack of Check Point Security Gateways, Palo Alto Networks next-generation firewalls, Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Cloudflare for DDoS mitigation, WAF, and application protection. This role blends architecture, hands-on engineering, automation, and L3/L4 operational leadership to deliver policy-driven connectivity under strict regulatory and operational requirements.ResponsibilitiesDefine trust zones, routing boundaries, and inter-zone controls for regional and Global Network, covering north-south and east-west paths, micro-segmentation for sensitive tiers, and explicit cross-border allow-listsProduce HLD/LLD, threat models, and control mappings aligned to internal standards and regional regulation to enable secure communicationDesign and operate dual-vendor firewall perimeters, with clear control allocation, HA/cluster design, deterministic failover, NAT domain strategy, and SSL/TLS inspection governance tuned for jurisdictionEngineer ZIA for identity-aware egress controls, SSL inspection with jurisdiction-aware bypasses, inline CASB/DLP, and sanctioned SaaS governanceImplement ZPA for per-application zero-trust access, with connector placement, posture checks, conditional access, and app segmentation replacing legacy VPN where feasibleDesign and deliver Site-to-Site VPN, Cloud Interconnect/Partner Interconnect equivalents, and dual-tunnel HA per site with BGP for failover between on-prem and hub VPCDeploy Cloudflare Magic Transit/Magic WAN, WAF Management, and rate limiting for internet-facing services, with layered defence integration with on-prem perimetersEngineer SD-WAN/MPLS/SASE paths with policy-based routing, strong encryption, and defined key custody/rotation by jurisdictionTranslate regulatory and internal control requirements into enforceable technical controls for logging, data residency, TLS inspection scope, and lawful intercept considerationsNormalise telemetry from security platforms into SIEM with regional data handling rules, and build detections for cross-border anomalies, DDoS events, and policy driftLead L3/L4 incidents, coordinate issue containment, and drive RCAs with corrective actions codifiedManage firewall, Zscaler, and Cloudflare policy through automation tools and vendor APIs, with CI/CD implementation including policy linting, unit tests, and path simulationRequirements6-15 years of overall IT experience, with a strong background in network security architecture and engineeringExpertise in Check Point Security Gateways, Palo Alto Networks next-generation firewalls, and firewall cluster/HA designProficiency in Zscaler Internet Access and Zscaler Private Access for zero-trust and identity-aware access controlKnowledge of Cloudflare Magic Transit, Magic WAN, and WAF for DDoS mitigation and application protectionFamiliarity with cloud hybrid connectivity, including Site-to-Site VPN, Cloud Interconnect, and BGP routingUnderstanding of SD-WAN, MPLS, and SASE architectures with policy-based routing and strong encryption protocolsSkills in Microsoft Sentinel and SIEM platforms for telemetry normalisation, detection engineering, and incident responseCompetency in automation and policy-as-code using Terraform, Ansible, and vendor REST APIsQualifications in regulatory compliance and audit readiness, including control matrices and CIS BenchmarksWe offerOpportunity to work on technical challenges that may impact across geographiesVast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certificationsOpportunity to share your ideas on international platformsSponsored Tech Talks & HackathonsUnlimited access to LinkedIn learning solutionsPossibility to relocate to any EPAM office for short and long-term projectsFocused individual developmentBenefit package:Health benefitsRetirement benefitsPaid time offFlexible benefitsForums to explore beyond work passion (CSR, photography, painting, sports, etc.)