Infrastructure Security Engineer

Net Connect Global; Bengaluru; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Net Connect Global is seeking an experienced Infrastructure Security Engineer to support enterprise infrastructure, network security, vulnerability management and IoT/OT environments. role involves administration, troubleshooting, automation and collaboration with global teams.

Candidates with a combination of Infrastructure + Network/Security + Vulnerability Management experience will be preferred; exposure to IoT/OT security is a strong advantage.

Qualifications

• Experience across infrastructure, network security and vulnerability management.

Responsibilities

• Lead and support PoC, RFP, and RFE across platforms.
• Perform end-to-end application administration, request management, and network integration.
• Configure, administer, and troubleshoot routers, switches, load balancers, proxies, firewalls, DMZ, IPs, ports, subnets, and MAC addresses.
• Work with authentication technologies including RBAC, Kerberos, SSO, LDAP and Active Directory.
• Perform Windows, Linux and Unix server administration and troubleshoot vendor platforms such as CA, BMC and IBM DataPower.
• Develop automation scripts using PowerShell, Python, Perl and Shell scripting.
• Support CI/CD, DevOps and Cloud infrastructure activities.
• Troubleshoot and support IoT/OT devices across Windows, Linux, Unix, Android and iOS.
• Collaborate with Security Design teams to implement security controls, standards and processes.
• Support system upgrades, production issues, security remediation and hygiene/compliance.
• Collaborate with partners, vendors, SMEs and global stakeholders to deliver secure solutions.

Skills

Infrastructure security

Network security

Vulnerability management

IoT/OT security

Windows administration

Linux administration

Unix administration

Automation scripting

DevOps / CI-CD

RBAC

Kerberos

SSO

LDAP

Active Directory

Cloud infrastructure

Tools

Tenable

Qualys

Rapid7

Nessus

Microsoft Defender

CrowdStrike

ServiceNow Vulnerability Response

Tanium

BigFix

SCCM

Jenkins

AWS

Azure

GCP

Kubernetes

Job description

Job Description

We are looking for an experienced Infrastructure Security Engineer to support enterprise infrastructure, network security, vulnerability management and IoT/OT environments. The role involves application and server administration, network troubleshooting, security controls, automation and collaboration with global technology and security teams.

Candidates with a combination of Infrastructure + Network/Security + Vulnerability Management experience will be preferred. Exposure to IoT/OT security is a strong advantage.

Key Responsibilities

• Lead and support infrastructure-related PoC, RFP and RFE initiatives across multiple technology platforms.
• Perform end-to-end application administration, request management and network integration.
• Configure, administer and troubleshoot routers, switches, load balancers, proxies, firewalls, DMZ, IPs, ports, subnets and MAC addresses.
• Work with authentication and access technologies including RBAC, Kerberos, SSO, LDAP and Active Directory.
• Perform Windows, Linux and Unix server administration and troubleshoot vendor platforms such as CA, BMC and IBM DataPower.
• Develop automation scripts using PowerShell, Python, Perl and Shell scripting.
• Support CI/CD, DevOps and Cloud infrastructure activities.
• Troubleshoot and support IoT/OT devices and systems across Windows, Linux, Unix, Android and iOS platforms.
• Work with Security Design teams to implement appropriate security controls, standards and processes.
• Support system upgrades, production issues, security remediation and infrastructure hygiene/compliance.
• Collaborate with technology partners, vendors, SMEs and global stakeholders to deliver secure and reliable solutions.

Vulnerability & Security Management

• Perform vulnerability scanning, assessment, remediation and continuous monitoring.
• Support patch management and vulnerability remediation across Windows/Linux and infrastructure platforms.
• Work with vulnerability and security tools such as:
  Tenable, Qualys, Rapid7, Nessus, Microsoft Defender and CrowdStrike.
• Exposure to ServiceNow Vulnerability Response, Tanium, BigFix or SCCM is preferred.
• Understanding of CVSS, EPSS, threat intelligence and vulnerability risk scoring.
• Implement configuration hardening and CIS benchmarks.
• Support security compliance and infrastructure hygiene initiatives.

Preferred Technical Skills

Infrastructure: Windows | Linux | Unix | Server Administration

Network & Security: Routers | Switches | Firewalls | Load Balancers | Proxies | DMZ | TCP/IP | IP | Ports | Subnets | LDAP | AD | SSO | Kerberos | RBAC

Security / Vulnerability: Tenable | Qualys | Rapid7 | Nessus | Defender | CrowdStrike | Vulnerability Management | Patch Management | CVSS | EPSS | CIS Benchmarks

Automation: PowerShell | Python | Perl | Shell Scripting

DevOps / Cloud: CI/CD | Jenkins | DevOps | AWS | Azure | GCP

ITSM / Patching: ServiceNow | Tanium | BigFix | SCCM

IoT/OT: IoT/OT Security | Device Troubleshooting | IoT Infrastructure | OT Systems

Containers: Kubernetes | Container Security