EPAM Systems

Senior Security Penetration Tester

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SeniorZdalnieFull-time

#475999·Dodano 8 dni temu·3

Źródło: EPAM Systems

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Tech Stack / Keywords

OT/ICSPython C/C++LLMIDA ProGhidraAFL++Burp SuiteModbus/TCPOWASP Top 10

Podsumowanie oferty

Conduct penetration tests of OT/ICS environments, research vulnerabilities and write exploits, and assess LLM applications and agentic AI systems. The role also contributes to zero-day research and offensive tooling, with work spanning industrial environments, embedded devices, web applications and enterprise software.

Wymagania

Bachelor’s degree in Computer Science, Information Security, Electrical/Control Engineering or a related field, or equivalent practical experience.
5+ years of hands-on penetration testing and offensive security experience, including significant depth in at least two of OT/ICS security, exploit development/vulnerability research, and AI/LLM security.
Background in OT/ICS penetration testing in real industrial environments or high-fidelity labs, with a strong grasp of safety-first testing practices.
Demonstrated exploit-writing ability, evidenced by original vulnerability research such as CVE credits, published advisories or exploits, conference talks, or high-level bug bounty/CTF results.
Hands-on experience testing LLM applications or agentic AI systems, and understanding how models, retrieval, tools and permissions combine to create attack surfaces.
Strong programming skills in Python and C/C++, working knowledge of x86/x64 and ARM assembly, and experience with Bash/PowerShell.
Proficiency with reverse engineering and debugging tools such as IDA Pro, Ghidra, Binary Ninja, WinDbg and GDB with pwndbg/GEF.
Competency with fuzzers (AFL++, libFuzzer, boofuzz) and offensive tooling (Burp Suite, Metasploit, Nmap), as well as Wireshark with ICS dissectors and C2 frameworks such as Cobalt Strike or Sliver.
Familiarity with OWASP Top 10, CVE/CWE, OSSTMM, NIST, MITRE ATT&CK, ISA/IEC 62443 and MITRE ATLAS.
Excellent written and spoken English; able to convey complex technical concepts to technical and non-technical audiences.

Nice to have:

Knowledge of Rust or Go.
Relevant offensive security certifications.

Obowiązki

Plan and execute safety-first penetration tests of OT/ICS environments, including passive asset discovery, Purdue-model segmentation testing and IT-to-OT pivot analysis.
Assess PLCs, RTUs, HMIs, SCADA servers, historians and engineering workstations across vendors and SCADA platforms.
Test industrial protocols, including Modbus/TCP, DNP3, EtherNet/IP/CIP, S7comm, OPC UA, BACnet and IEC 60870-5-104/61850, for authentication, integrity and logic-manipulation weaknesses.
Build and use lab or digital-twin replicas to validate attack paths before production testing, following client-approved rules of engagement, change windows and safety constraints.
Map findings to ISA/IEC 62443, NIST SP 800-82 and MITRE ATT&CK for ICS, and provide remediation guidance suited to plant operations.
Research vulnerabilities in binaries, firmware, embedded/IoT devices, web applications and enterprise software using reverse engineering, source code review and fuzzing.
Write proof-of-concept and weaponized exploits for memory corruption, logic flaws and authentication bypass.
Attack LLM applications and agentic AI systems, assessing how models, retrieval, tools and permissions combine to create attack surfaces.
Contribute original research to the client’s zero-day program and help build AI-driven tooling for offensive capability.
Deliver client engagements end to end and communicate findings to engineers and executives.

Benefity

Career development programs.
Thought leadership, mentoring, soft skills and well-being programs.
Certification opportunities, including Anthropic, Gemini, GCP, Azure and AWS.
English classes.
Employee Stock Purchase Plan participation with a 15% discount.
Health insurance, multisport and shopping vouchers.
Referral bonuses up to $2,000.
Free snacks and coffee.
Corporate, social and well-being events.

Pakiet relokacyjny

Kursy językowe

Udziały pracownicze

Ubezpieczenie

Karta sportowa

Premie

Darmowe przekąski

Napoje w biurze

Spotkania integracyjne

Inne informacje

Must be based in Europe and eligible to work through EPAM.
Must be able to overlap with US business hours for client meetings.
Occasional travel, such as for on-site OT assessments, may be required.

EPAM Systems

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