Job Description

The Senior VAPT Expert manages the end-to-end security assessment lifecycle. This involves conducting broad-spectrum Discovery Scans. They perform deep-dive Infrastructure Penetration Testing. And execute comprehensive Application Penetration Testing. The role also includes high-intensity Red Team/Assume Breach simulations. Beyond identifying vulnerabilities, the expert drives their closure. This ensures mitigation of identified risks across systems. Focus areas include IT and Telecom Core environments (HLR/VLR/OSS/BSS).

• Conduct continuous asset discovery, automated vulnerability scanning, false positive analysis, and manage remediation tracking with re-testing.
• Execute deep-dive manual infrastructure, web, and mobile application penetration tests, including segmentation testing.
• Plan and execute "Assume Breach" simulations, complex attack chains, and APT simulations using MITRE ATT&CK.
• Create custom C2 channels and bypass EDR, Antivirus, and WAF controls to demonstrate advanced adversary capabilities.
• Conduct specialized attacks against OSS/BSS, HLR, VLR, and MSC to identify risks to subscriber data and call routing.
• Monitor for "Shadow IT," exposed digital assets, and leaked credentials through automated reconnaissance.
• Proactively monitor forums and paste-sites for leaked Telecom data (CDRs, MSISDNs, IMEIs) and specific threats.
• Deliver executive-level reports, PoCs, and remediation roadmaps, while evaluating Blue Team detection and reaction times.

Must-Have:

• 2+ years in Offensive Security/Red Teaming, specifically within Telecommunications or ISP environments.
• OSCP certification (minimum) and expert knowledge of the MITRE ATT&CK framework and NIST security standards.
• Proficiency in Kerberoasting, Pass-the-Hash, Golden Ticket, PowerShell/Bash scripting, and EDR bypass.
• Foundational knowledge of SS7, GTP, Diameter, Network Segmentation, Active Directory, and NOC/SOC workflows.
• Hands-on experience with Burp Suite, Cobalt Strike/Sliver, Metasploit, Nessus, and ASM platforms.

Nice-to-Have:

• Advanced Offensive Certifications of OSEP, OSWE, or CRTP (Certified Red Team Professional).
• Expertise in automated tools and manual deep-web search techniques for reconnaissance.
• Experience coordinating foundational telecom knowledge with quarterly telecom exercises.

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If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

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