Cyber Purple Team Operator

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Cyber Purple Team Operator at Northern Trust—plan & execute threat actor simulations to strengthen security.

Mid-level role in Chicago with focus on MITRE ATT&CK, SIEM, EDR, and cloud environments.

About Northern Trust:

Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889.

Northern Trust is proud to provide innovative financial services and guidance to the world’s most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world’s most sophisticated clients using leading technology and exceptional service.

Position Overview:

The Purple Team operator will play a crucial role in our cybersecurity team by planning and executing threat actor emulations to assess Northern Trust’s exposure to the latest techniques, tactics and procedures. The ideal candidate will be responsible for developing, planning, and executing advanced intelligence‑lead adversary simulations to identify cybersecurity gaps to improve overall defenses and detections.  This role requires a deep understanding of threat actor tactics, techniques, and procedures (TTPs), and a passion for defending against evolving cyber threats.

Key Responsibilities:

• Perform intelligence led adversary simulation exercises.
• Provide recommendations to the security operations team for improving controls and defenses based on adversary simulation exercises.
• Assist Security Operations to continuously test and improve detection, logging, SIEM use cases, and incident response playbooks.
• Bridge the communication gap by translating technical findings into actionable risk metrics for executive shareholders
• Staying up-to date on the latest attack tactics, techniques, and procedures (TTPs) used by threat actors.
• Continuous improvement of the bank’s security posture by Identifying gaps in processes and technology and evaluating existing security controls.
• Develop reports that include technical findings, risk ratings, and strategic recommendations.
• Build and maintain custom tools and scripts to support adversary simulation.
• Lead post exploitation reviews to ensure the remediation efforts
• Maintaining and improving team’s tooling infrastructure
• Enhance log ingestion strategies

Qualification and Experience

• 3+ years in cybersecurity, with hands‑on experience in purple teaming, red teaming, or blue teaming.
• Strong understanding of MITRE ATT&CK framework.
• Experience with coding/scripting languages such as Python, PowerShell, or Bash.
• Strong understanding of cybersecurity principles, including SIEM, IDS/IPS, and endpoint detection and response (EDR) solutions.
• Experience with Offensive Security and Purple Team tools e.g. Cobalt Strike, Metasploit, Caldera, Mythic. or Breach and Attack Simulation tools.
• Practical experience using AI APIs to automate repetitive tasks or analyze large datasets.
• Experience attacking and defending Azure, AWS or other cloud environments.
• Understanding Active Directory, EntraID, and modern authentication protocols.
• Understanding of OSI model and other networking concepts – TCP/IP, DNS, TLS
• Custom payload development for EDR evasion.
• Certifications such as OSCP, OSEP, OSCE, CRTO, CRTP, GDAT, and GCDA are a plus.

Legal Notice

Applicants must be authorized to work in the U.S. without the need for employment‑based visa sponsorship now or in the future. Northern Trust will not sponsor applicants for U.S. work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment‑based visa)

Salary Range:

$99,600 - 169,200 USD

Salary range is a good faith estimate of base pay. Northern Trust provides a comprehensive benefits package including retirement benefits (401k and pension), health and welfare benefits (medical, dental, vision, spending accounts and disability), paid time off, parental and caregiver leave, life & accident insurance, and other voluntary and well‑being benefits. Northern Trust also provides a discretionary bonus program that may include an equity component.

Working with Us:

As a Northern Trust partner, greater achievements await. You will be part of a flexible and collaborative work culture in an organization where financial strength and stability is an asset that emboldens us to explore new ideas.

Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to assisting the communities we serve! Join a workplace with a greater purpose.

We’d love to learn more about how your interests and experience could be a fit with one of the world’s most admired and sustainable companies! Build your career with us and apply today. #MadeForGreater 

Reasonable accommodation

Northern Trust is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please email our HR Service Center at MyHRHelp@ntrs.com .

Closing:

We hope you’re excited about the role and the opportunity to work with us. We value an inclusive workplace and understand flexibility means different things to different people.

Apply today and talk to us about your flexible working requirements and together we can achieve greater.