We are seeking a highly skilled and motivated Lead Red Team Specialist to join our innovative Offensive Security Team. This is a technical individual contributor role perfect for someone who thrives on ownership, collaborative problem-solving, and challenging technical environments. If you enjoy staying ahead of emerging threats and improving security postures, this opportunity is for you. This is a hybrid role located in Pheonix, AZ, Denver, CO, Houston, TX or Urbandale, IA.

Lead Red Team Specialist

We will count on you to:

Design and execute advanced adversary emulation operations tailored to industry verticals, geolocations, and emerging threats.

Conduct Red/Purple team assessments, identify security gaps, and recommend effective remediation strategies.

Develop proof-of-concept tools, tactics, techniques, and procedures based on threat actor research.

Build, maintain, and secure scalable test infrastructure to support operational objectives.

Document operational activities clearly and communicate findings effectively to technical and non-technical audiences, including supporting complex incident investigations.

What you need to have:

Undergraduate degree in Computer Science, Information Systems, or related field, or equivalent experience.

8+ years of experience in red team assessments, offensive cyber operations, or penetration testing.

Strong critical thinking, analytical skills, and the ability to learn and adapt quickly.

Proven experience working with security operations, incident response, or detection engineering teams.

Deep knowledge of attack techniques, threat actors, and current industry trends.

Proficiency in coding, scripting, and building/red team infrastructure.

Ability to operate independently in a fast-paced, evolving environment.

What makes you stand out:

Industry certifications such as OSCP, OSCE, OSWE, GPEN, GCIH, GWAPT, or GXPN.

Experience with large-scale IT implementations and operations.

Expertise in domains like network architecture, operating systems, cloud computing, web application testing, or social engineering.

Demonstrated ability to replicate threat actor tactics and develop innovative operational tools.

Why join our team:

We help you be your best through professional development opportunities, interesting work and supportive leaders.

We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.

Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit marshmclennan.com, or follow on LinkedIn and X.

Marsh McLennan is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting reasonableaccommodations@mmc.com.

Marsh McLennan is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh McLennan colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.

The applicable base salary range for this role is $140,000 to $280,000.

The base pay offered will be determined on factors such as experience, skills, training, location, certifications, education, and any applicable minimum wage requirements. Decisions will be determined on a case-by-case basis. In addition to the base salary, this position may be eligible for performance-based incentives.

We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.