Security Analyst V

ONEOK • Tulsa, OK

1d • Onsite

About The Position

This role serves as a senior offensive security analyst focused on internal red teaming, attack simulation, and threat and detection engineering within the Security Assurance team. This role ensures our systems are evaluated against emerging adversary tactics through continuous validation and threat-informed operations.

Requirements

• Bachelor's Degree in information technology, other related field, or an equivalent combination of formal education and the following job related experience:
• 6+ years related work experience in information security
• 3+ years with significant duties in offensive security, read teaming, pentesting, or detection engineering
• Experience in a regulated sector.
• Familiarity with gas / utilities business processes

Nice To Haves

• Experience with Operational Technology (OT) environments, industrial control systems, and associated protocols and security technologies is preferred.
• OSCP - OffSec Certified Professional or other relevant OffSec certifications
• GPEN - GAIC Penetration Tester or other relevant GIAC certifications
• CISSP Certified Information Systems Security Professional

Responsibilities

• Lead adversary simulations, purple-team exercises, and red-team engagements based on real-world threat actor tactics, techniques, and procedures (TTPs).
• Partner with Security Operations Center, Engineering, and IT teams to translate offensive security findings into actionable detection content, control improvements, and architectural enhancements.
• Develop and validate threat detections based on emerging adversary tradecraft using SIEM, EDR, and security analytics platforms.
• Measure detection coverage through threat hunting and automated validation.
• Perform penetration testing, security architecture reviews, and application security assessments.
• Develop custom tooling, automation, attack emulation capabilities, and proof-of-concept exploits to emulate advanced adversary behavior and assess defensive effectiveness.
• Monitor emerging adversary behaviors and assess organizational exposure through continuous validation of internal and external attack surfaces.
• Serve as a technical leader within the Security Assurance team by mentoring team members, driving offensive security strategy, and communicating risk and remediation recommendations to technical and executive stakeholders.

Benefits

• ONEOK is an equal opportunity employer committed to diversity and inclusion.
• ONEOK is committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior