Lead Red Team Engineer

TransUnion

Red Team Engineer conducting threat emulation exercises for TransUnion, simulating attacks and uncovering system vulnerabilities. Collaborating with teams and documenting findings in quantitative reports.

Posted 6/19/2026full-timeChicago • Colorado, Florida, Illinois, Pennsylvania, Virginia • 🇺🇸 United StatesSenior💰 $112,500 - $187,500 per yearWebsite

Tech Stack

Tools & technologies

CloudPython

About the role

Key responsibilities & impact

Conduct comprehensive threat emulation exercises, actively simulating cyber-attacks to uncover vulnerabilities in systems, networks, and applications.
Collaborate with cross-functional teams to perform purple team exercises that challenge the organization’s overall security posture.
Perform lateral movement within target environments to assess the effectiveness of internal network segmentation and access controls.
Demonstrate expertise in local privilege escalation techniques.
Emulate threat actors by replicating their techniques, tactics, and procedures to identify vulnerabilities and gaps in our defensive measures.
Develop and utilize custom scripts, tools, and frameworks to enhance red team operations and mimic real-world attacks.
Conduct reconnaissance activities to gather intelligence on potential targets and identify attack vectors.
Test the security of cloud-based environments and identify weaknesses in configurations, access controls, and data protection mechanisms.
Document and communicate findings, risks, and recommendations in clear and concise reports to stakeholders, including technical and non-technical audiences.

Requirements

What you’ll need

5+ years of active experience in conducting penetration tests and actively working as a red teamer; proven track record in performing red team operations and purple team operations.
Proficiency in ability to compromise a modern organization, escalate privileges, move laterally through complex networks, and achieve adversary goals.
Strong experience and expertise in phishing techniques, social engineering tactics, and other initial access methods.
Extensive experience in writing comprehensive and well-structured reports detailing findings, risks, and actionable recommendations.
Basic development experience (python/bash/git/etc) to create custom solutions for bleeding edge problems.

Benefits

Comp & perks

Enjoy day-one eligibility for medical, dental, and vision coverage, plus supplemental plan options.
Spousal, domestic partner, and other eligible dependent coverage is available on select plans.
Choose tax‑advantaged HSA and FSA accounts to make everyday care more affordable.
We’ve got your back with company‑paid basic life and AD&D, optional voluntary life and AD&D for you and your family, and short‑ and long‑term disability.
You can also opt into a legal plan, pet insurance, and travel accident coverage.
From adoption assistance and fertility planning coverage to caregiver support, we’re here for every chapter.
Access Dependent Care FSA for possibility of an employer match, a complimentary Care@Work membership, and up to 12 weeks of paid parental leave with eligibility for a thoughtful, gradual return.
Build toward what’s next with our 401(k) with employer match and Employee Stock Purchase Plan (ESPP).
Tap financial wellness resources, career coaching, and optional long‑term care insurance to plan confidently.
Grow and recharge with tuition reimbursement, flexible time off for exempt employees or paid time off for nonexempt employees, up to 12 paid holidays per year, commuter benefits, employee discounts, charitable gift matching, and paid volunteer time off, plus corporate volunteer events that make it easy to give back.
Access 24/7 support including professional therapy, coaching, and emotional well‑being programs alongside guided meditation and resources that support physical, mental, social, and financial wellness.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

penetration testingred team operationspurple team operationslocal privilege escalationlateral movementphishing techniquessocial engineering tacticscustom scriptingcloud security testingnetwork segmentation

Soft Skills

collaborationcommunicationreport writingrisk assessmentproblem-solving