Senior Information Security Engineer, Offensive Security

Grvty; Sterling, Northern (VA, KY); Hybrid; USD 175,000 - 260,000; Full time

Job summary

GRVTY is seeking a Senior Information Security Engineer specializing in offensive security to conduct security assessments, red team operations, and network exploitation for client engagements. You will analyze networks and systems, study malware and tools, develop scripts to boost operational efficiency, and deliver clear briefings to clients and management.

Required: Active TS/SCI with poly and US citizenship; Bachelor’s degree or 5 years of direct experience; 3+ years in related work;

Qualifications

• Active TS/SCI with poly is required.
• Bachelor’s degree in CS or related field, or 5 years of direct work experience.
• Minimum 3 years of related work experience is required.
• 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.

Responsibilities

• 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.

Skills

Active TS/SCI with poly

US citizenship

Unix/Linux

Windows

Network protocols

Education

Bachelor Degree in Computer Science or related field

5 years of direct work experience

Tools

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

Pay Range

At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.We’re proud to offer a work environment that empowers our team to achieve a strong work-life balance. GRVTY provides competitive pay, comprehensive benefits, and meaningful opportunities for professional growth.Our benefits package is designed to support the well-being of our employees and their families, and includes coverage in areas such as healthcare, financial wellness, retirement planning, family assistance, continued education, and paid time off.

• The pay range for this position is: $175,000 - $260,000