OCI Network Security Consultant
Infosys
- Location
- Bengaluru East, Karnataka, India
- Job type
- Full-time
Required skills
- Python
- SIEM
- AWS
- automation tools
- Azure
- BGP
- cloud infrastructure
- compliance
- DNS
- firewall
- GCP
- Git
- incident response
- IP
- load balancing
- NAT
- network security
- Oracle
- Root Cause Analysis
- SSL
- TCP
- Terraform
- web security
- SOX
About the role
Infosys
Website:
infosys.com
Job details:
- Experience in Network/Security engineering.
- Hands on experience with Oracle Cloud Infrastructure networking and security services.
- Strong understanding of TCP/IP, BGP, routing, NAT, VPN, TLS/SSL, DNS, Firewall policies.
- Experience with OCI Load Balancers, WAF, Network Firewall, NSGs, DRG, Connectivity.
- Hands on with Terraform, Git, automation tools.
- Ability to troubleshoot complex cloud network performance issues.
- Solid understanding of IAM (policies, dynamic groups) for secure access
- OCI Networking Architecture & Operations
- Design, deploy, and manage Virtual Cloud Networks (VCNs), subnets, DRGs, LPGs, and network gateways (IGW, NGW, SGW).
- Configure routing, security lists, network security groups (NSGs), and VCN peering (local & remote).
- Manage site to site VPN, FastConnect, and hybrid network connectivity with on premises data centers.
- Implement load balancing (public, private) and troubleshooting L3/L4 traffic flows.
- Optimize network performance, resilience, and throughput across multi region architectures. 2. Cloud Security Architecture (Core Focus)
- Implement and manage OCI IAM, policies, dynamic groups, security zones, compartment strategies, and Zero Trust principles.
- Configure WAF, Cloud Guard, Vulnerability Scanning Service (VSS), Bastion, and KMS/Encryption for data protection.
- Enforce network segmentation, micro segmentation, and least privilege designs.
- Develop and maintain security baselines aligned with industry standards (NIST, CIS, ISO).
- Monitor security events, respond to incidents, and remediate vulnerabilities. 3. Firewall, Perimeter & VPN Security
- Configure and maintain next gen firewalls, IPS/IDS, and web security layers in OCI and hybrid environments.
- Manage IPSec VPN, SSL/TLS, certificate management, and encrypted tunnel performance.
- Create firewall rule sets, NAT policies, and security filters ensuring minimal attack surface. 4. Governance, Compliance & Audit Readiness
- Implement OCI native compliance tools and prepare environments for audits (SOX, HIPAA, PCI as applicable).
- Document network/security architectures, runbooks, and operational procedures.
- Perform regular risk assessments, security reviews, and threat modeling. 5. Automation & DevSecOps
- Automate infrastructure provisioning using Terraform, Resource Manager, or equivalent.
- Integrate security controls into CI/CD pipelines (policy checks, image scanning, configuration validation).
- Use scripting (Python/Shell) for network/security automation tasks. 6. Troubleshooting & Support
- Provide L3 support for cloud network and security issues.
- Analyze packet flows, logs, and telemetry using OCI Logging, Flow Logs, OCI Monitoring, and SIEM tools.
- Incident response and RCA (root cause analysis).
Preferred / Nice-to-Have
- Experience with Palo Alto / Fortinet / Check Point firewalls.
- Multi-cloud networking (AWS/Azure/GCP).
- Experience with SIEM, SOAR, packet captures, and threat analysis.
- Certifications: o OCI Architect Associate/Professional o OCI Security Professional o CCNA/CCNP Security o Security+ / CySA+
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