CareerPlanSign in

Senior Information Security Engineer, Offensive Security

San Antonio, TX💼 Full-time🗓 2026-07-23 → 2026-09-26

Core

Conduct security assessments, red team operations, and network exploitation to identify vulnerabilities in client networks and systems.

Role type

Senior IC offensive security engineer (red teaming)

Builds

Security assessments and red team operations for clients

Domain

National security and defense

Deliverable

production ML models | product features | dashboards & analysis | client delivery | infrastructure

Required skills

network exploitation, penetration testing, red teaming, malware analysis, reverse engineering, exploit development, packet analysis, UNIX/Linux administration, Windows administration, script development, briefing and mentoring

Preferred skills

Active TS/SCI with poly, OCP/GXPN certifications, advanced operator certifications

Technologies

UNIX, Linux, Windows

Responsibilities

Execute offensive cyber operations to assess client networks, analyze computer networks and systems to identify security weaknesses, perform analysis of malware and security tools, provide written and oral briefings on assessment results, train and mentor junior operators, develop scripts and tools to improve operational efficiency

Seniority

Senior, hands-on IC

Sourced via greenhouse · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.