TransUnion · 3 weeks ago
Cyber Defense Operations Center Senior Analyst
Chicago, IL
Full-time
Hybrid
Mid, Senior Level
$68K/yr - $112K/yr
3+ years expTransUnion is a company that fosters a collaborative and innovative environment. They are seeking a Senior Analyst for their Cyber Defense Operations Center (CDOC) to monitor and safeguard the company's global infrastructure against cyber threats, utilizing advanced technologies and threat intelligence.
Credit BureauFinancial ServicesInformation TechnologyLegal
Responsibilities
Perform in-depth analysis of security events, alerts, and incidents across diverse environments
Utilize threat intelligence and forensic techniques to identify emerging threats and adversary tactics
Develop and enhance SOC processes, playbooks, and automation workflows
Collaborate with engineering teams to improve detection capabilities and reduce false positives
Support compliance, governance, and audit requirements related to security operations
Participate in on-call rotations for escalated incidents and major security events
Foster a culture of continuous learning and share knowledge to peers and juniors
Qualification
Required
3+ years of experience in SOC operations, incident response, or cyber defense
Proficiency with SIEM platforms (Splunk preferred), EDR tools (CrowdStrike, Defender, Tanium), and CASB solutions (Netskope)
Strong understanding of network protocols (DNS, HTTP/S, SMTP) and packet analysis
Hands-on experience with Windows, Linux, and macOS security hardening
Deep understanding of MITRE ATT&CK framework, TTPs, and threat actor behaviors
Working knowledge of AWS, Azure, or GCP security fundamentals
Exposure to SOAR platforms and scripting (Python, PowerShell) for playbook development
Flexibility with working hours will be an advantage
Preferred
Certifications: CompTIA CySA+, GIAC GCIH, Certified Ethical Hacker (CEH), Cisco CyberOps Associate, Certified Cloud Security Professional (CCSP), Splunk Core Certified Power User or equivalent
Experience in threat hunting and proactive detection
Familiarity with zero-trust principles and modern security architectures
Benefits
Flexible time off for exempt associates
Paid time off for non-exempt associates
Up to 12 paid holidays per year
Health benefits (including medical, dental, and vision plan options and health spending accounts)
Mental health support
Disability benefits
Up to 12 weeks of paid parental leave
Adoption assistance
Fertility planning coverage
Legal benefits
Long-term care insurance
Commuter benefits
Tuition reimbursement
Charity gift matching
Employee stock purchase plan
401(k) retirement savings with employer match
Access to TransUnion’s Employee Resource Groups
Company
TransUnion
TransUnion provides total credit protection all in one place from credit alerts, credit reports and credit scores.
10001+ employees
H1B Sponsorship
TransUnion has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (145)
2024 (134)
2023 (180)
2022 (227)
2021 (159)
2020 (186)
Funding
Current Stage
Public CompanyTotal Funding
$1.41B2018-04-26Post Ipo Debt· $1.4B
2015-06-25IPO
2014-10-16Series Unknown· $7.25M
Leadership Team
Christopher Cartwright
President and Chief Executive Officer
David Oliveira
Senior Vice President of Media Vertical Partnerships
Recent News
2026-01-09
2026-01-07
2026-01-06
Company data provided by crunchbase