Network Security

Department Icon IT / Software Development & Related
Posted: 1 week ago
2-5 years
Bangalore, India
IT / Software Development & Related
work from office
Full Time
Closes 2 Jan 2027

Posted: 1 week ago
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Job Description

  • Good understanding of TCP/IP, OSI model, DNS, DHCP, VPN, routing, switching, firewalls, and common ports/protocols.
  • Hands-on experience with tools such as Nmap, Nessus, Qualys, Nexpose, Metasploit, Wireshark, Netcat, Nikto, Hydra, and Kali Linux.
  • Ability to perform port scanning, service enumeration, vulnerability validation, and basic exploitation.
  • Knowledge of common network vulnerabilities such as weak SSL/TLS, default credentials, insecure protocols, SMB issues, outdated services, missing patches, and risky open ports.
  • Ability to validate scan findings manually and reduce false positives.
  • Basic understanding of CVE, CVSS, risk rating, impact, and remediation.
  • Should be able to prepare technical findings with evidence, impact, and remediation recommendations.
  • Should have thorough understanding on various Network security standards, frameworks and threat models.
Good to have: Basic scripting, firewall/configuration review exposure, AD basics, PCI DSS/ISO 27001 other compliance and benchmark exposure.

Certification: CEH/eJPT/Security+/PJPT/eCPPT certification.

Skills

Vulnerability ScanningNetwork Security Device ReviewSystem HardeningVulnerability ManagementNetwork Penetration TestingNetwork VAPTLinuxTCP/IPDNSVPNFirewallNmapWiresharkISO 27001Compliance

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About Company

SISA is a forensic-driven cybersecurity solutions company, specializing in payment security, compliance, and threat intelligence solutions globally.

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