Senior Information Security Engineer, Offensive Security

Grvty; San Antonio (TX); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Grvty seeks a Senior Information Security Engineer specializing in offensive security to lead client assessments and red team engagements.

You will conduct network exploitation, malware analysis, and tool development, mentor junior operators, and present findings to clients and leadership.

This role requires TS/SCI with poly, US citizenship, and at least 3 years of relevant experience.

Qualifications

• Active TS/SCI with polygraph and US citizenship required.
• Bachelor degree or 5 years of direct work experience.
• Minimum of 3 years related work experience.
• Completion of formal offensive cyber operations training.
• Experience in network exploitation, penetration testing, or red team operations.
• Proficiency with UNIX/Linux and Windows operating systems.
• Strong understanding of network protocols and packet analysis.

Responsibilities

• Execute offensive cyber operations to assess client networks and identify vulnerabilities.
• Analyze networks and systems to identify security weaknesses.
• Perform analysis of malware and security tools to evaluate capabilities.
• Provide written and oral briefings on assessment results to clients and management.
• Train and mentor junior operators on tools, techniques, and tradecraft.
• Develop scripts and tools to improve operational efficiency.

Skills

Offensive security

Red team

Penetration testing

Network analysis

Malware analysis

Scripting

Unix/Linux

Windows

Security assessments

Education

Bachelor's degree in Computer Science or related field

Tools

OSCP

GXPN

UNIX/Linux

Windows

Job description

Senior Information Security Engineer, Offensive Security

Seeking experienced offensive security professionals to conduct security assessments, red team operations, and network exploitation activities in support of client security requirements.

What You'll be Owning

• Execute offensive cyber operations to assess client networks and identify vulnerabilities
• Analyze computer networks and systems to identify and assess security weaknesses
• Perform analysis of malware and security tools to evaluate capabilities
• Provide written and oral briefings on assessment results to clients and management
• Train and mentor junior operators on tools, techniques, and tradecraft
• Develop scripts and tools to improve operational efficiency

What You Must Have

• Must be able to obtain and maintain an Active TS/SCI with poly, US citizenship required
• Bachelor Degree in Computer Science or related field is required or 5 years of direct work experience
• Minimum of 3 years of related work experience is required
• Completion of formal offensive cyber operations training
• Experience conducting network exploitation, penetration testing, or red team operations
• Proficiency with UNIX/Linux and Windows operating systems
• Strong understanding of network protocols and packet analysis

What Would be Nice to Have

• Active TS/SCI with poly
• Advanced operator certifications or specialized training
• OSCP, GXPN, or similar offensive security certifications
• Experience with reverse engineering and exploit development
• Background in offensive cyber operations or advanced red teaming