Senior Red Team Operator: Adversary Emulation

Brown Brothers Harriman & Co.; Boston (MA); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits

Job summary

Brown Brothers Harriman is seeking a highly skilled Senior Cyber Red Team Operator to join our growing Red Team and help strengthen the firm's ability to detect, respond to, and withstand sophisticated cyber threats.

In this role you will simulate real-world adversaries through advanced red team operations, adversarial emulation, penetration testing, and purple team exercises across enterprise infrastructure, cloud, applications, and identities.

Qualifications

• 8-10 years of experience in Information Security with offensive security focus.
• Experience planning and executing enterprise-scale red team engagements and multi-stage attack scenarios.
• Deep understanding of attacker methodologies, MITRE ATT&CK, privilege escalation, lateral movement, C2, persistence, and identity-based attacks.
• Hands-on experience testing Windows, Linux, AD, cloud, networks, and enterprise applications.
• Scripting and automation using Python, PowerShell, Bash, or similar languages.
• Ability to communicate complex concepts to technical and non-technical audiences.
• Bachelor's degree in relevant field or equivalent practical experience.
• Expertise with security assessment methodology, vulnerability management, OWASP, CVE ratings.
• Participation in Cyber Tabletop Exercises as SME for adversary behavior.

Responsibilities

• Understand and implement BBH Red Team Operating Standard and ROE per regulatory guidelines.
• Conduct risk assessments of vulnerabilities and write reports to facilitate mitigations.
• Lead and execute red team engagements, adversary emulation, and offensive security assessments.
• Simulate threat actor TTPs to validate vulnerabilities through controlled exploitation.
• Manage testing engagements from planning through final reporting.
• Lead purple team exercises to validate security controls and improve visibility.
• Research emerging threats and evolving offensive security techniques.
• Deliver technical reports and executive risk summaries.
• Mentor team members and contribute to Red Team methodologies.

Skills

Red Team Ops

Offensive Security

Adversary Emulation

Penetration Testing

MITRE ATT&CK

Cloud Security

Scripting (Python)

Communication

Education

Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or equivalent

Tools

Core Impact

AttackForge

Python

PowerShell

Bash

Job description

Brown Brothers Harriman is seeking a highly skilled Senior Cyber Red Team Operator to join our growing Red Team and help strengthen the firm's ability to detect, respond to, and withstand sophisticated cyber threats.

In this role you will simulate real-world adversaries through advanced red team operations, adversarial emulation, penetration testing, and purple team exercises across enterprise infrastructure, cloud, applications, and identities.