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Sr. Penetration Tester – Offensive Security

Delta System & Software, Inc. United States

onsitefull-time
Posted Jan 23, 2026

Position: Sr. Pen/ Red Team Tester – Offensive Security (8 - 10 Years Experience)

Certifications: OSCP, OSEP, CRTL, CRTO, CRTE, CRTP, CARTE, CARTP, GRTP, GCPN etc.

Focus: Red/ Purple Teaming, Azure Red Teaming, Cloud Penetration Testing (Azure), Workstation Build (Win 10/11) Pene

Full Description

Position: Sr. Pen/ Red Team Tester – Offensive Security (8 - 10 Years Experience)

Certifications: OSCP, OSEP, CRTL, CRTO, CRTE, CRTP, CARTE, CARTP, GRTP, GCPN etc.

Focus: Red/ Purple Teaming, Azure Red Teaming, Cloud Penetration Testing (Azure), Workstation Build (Win 10/11) Penetration Testing.

Responsibilities: Perform hands-on security assessments, identify vulnerabilities, and produce actionable reports.

Requirements: 8+ years in offensive security with strong understanding of Active Directory attacks, Threat Emulation, Cyber Kill Chain, Azure Kill Chain, Adversary TTPs (MITRE ATT&CK) and other offensive security methodologies.

Tools: Experience with tools like NetExec, Bloodhound, Metasploit, etc. and scripting custom exploits.

Location: US (Client Location)

Shift: 8:00 AM - 6:00 PM EST

Position: Sr. Pen tester – Offensive Security (8 - 10 Years Experience)

Certifications: OSCP, OSWE, OSEP, BSCP, eWPTX, eCPPT, GWAPT, GPEN, GCPN, etc

Focus: Web, API, and Mobile Penetration Testing, Threat-Led Penetration Testing.

Responsibilities: Perform hands-on security assessments, identify vulnerabilities, and produce actionable reports.

Requirements: 8+ years in offensive security with deep expertise in advanced exploitation and architecture reviews.

Tools: Experience with tools like Burp Suite, MobSF, Postman, etc. and scripting custom exploits.

Location: US (Client Location)

Shift: 8:00 AM - 6:00 PM EST IST Show more Show less

Penetration TestingOffensive SecurityRed TeamingCloud Penetration TestingActive DirectoryThreat EmulationCyber Kill ChainAdversary TTPsMetasploitBurp SuiteAPI TestingMobile TestingScriptingVulnerability AssessmentSecurity AssessmentsArchitecture Reviews

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