Senior Malware & Vulnerability Researcher

Omniscius; Arlington (VA); On-site; USD 110,000 - 170,000; Full time

Job summary

Omniscius is seeking a highly skilled Vulnerability/Malware Researcher (Reverse Engineer) in the United States to identify, analyze, and understand complex software vulnerabilities and malicious code affecting systems, products, and infrastructure.

The role involves in-depth malware analysis, reverse engineering, and collaboration across Incident Response, Threat Intelligence, and Engineering to support detection, response, and remediation efforts.

Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, Computer Engineering, or related field, or equivalent experience.
• 3–8 years of malware analysis, reverse engineering, vulnerability research, or offensive security.
• Strong understanding of OS internals (Windows and Linux).
• Experience reverse engineering compiled software with industry tools.
• Knowledge of assembly (x86/x64/ARM) and executable formats.
• Proficiency in at least one language such as Python, C, C++, Rust, or Go.
• Experience analyzing malware behavior via static and dynamic analysis.
• Understanding of software exploitation concepts and attack methodologies.

Responsibilities

• Perform static and dynamic analysis of malicious software including ransomware, trojans, rootkits, spyware, and APT malware.
• Reverse engineer malware samples to identify functionality, persistence, C2 communications, and attacker objectives.
• Develop detailed malware analysis reports and technical documentation.
• Research evolving malware techniques and adversary capabilities.
• Identify and analyze software, OS, firmware, and application vulnerabilities.
• Perform code analysis to discover security weaknesses and exploit paths.
• Validate security findings through PoC testing and exploit analysis.
• Collaborate with remediation teams to prioritize and mitigate identified risks.
• Investigate adversary TTPs and analyze exploit kits, attack frameworks, and intrusion methods.
• Support intelligence-driven security initiatives through research and threat assessments.
• Create and maintain IOCs, YARA rules, Sigma rules, and detection signatures.
• Develop detections for SOC use and assist threat hunting with indicators.
• Develop custom scripts and tooling to support malware analysis and vulnerability research.
• Present findings to security leadership and engineering stakeholders.

Skills

Malware analysis

Reverse engineering

Operating system internals

Programming languages

Exploit development concepts

Behavioral analysis of malware

Analytical problem solving

Education

Bachelor's degree in Computer Science or related field

Equivalent experience

Job description

Omniscius is seeking a highly skilled Vulnerability/Malware Researcher (Reverse Engineer) in the United States to identify, analyze, and understand complex software vulnerabilities and malicious code affecting systems, products, and infrastructure.

The role involves in-depth malware analysis, reverse engineering, and collaboration across Incident Response, Threat Intelligence, and Engineering to support detection, response, and remediation efforts.