cv

Basics

Name Stephen L. Lange
Label Security Architect
Email stvlange@gmail.com
Phone (630) 636-8150
Url https://stephenlange.org
Summary Highly accomplished Security Professional and Architect with extensive experience spanning architecture design, engineering, system administration, and team management. Proven leader in designing and delivering targeted, cost-effective IT security solutions that align complex business needs with strict budgetary and time constraints. Recognized for combining strategic decision-making with hands-on technical expertise to drive security maturity.

Work

  • 2014 - Present

    Chicago, US

    Director Principal Architect (Security)
    CME GROUP
    Led the design and delivery of integrated security solution architectures, standards, and reference architectures across global infrastructure. Provided high-level technical expertise and strategic leadership across multiple security domains to drive the evolution of infrastructure and information security. Acted as a key security liaison, ensuring timely delivery of solutions and alignment with business and regulatory requirements.
    • Architected & Delivered: Designed and implemented robust, integrated security solutions, reference architectures, and standards for complex infrastructure environments.
    • Strategic Planning: Drove infrastructure security strategy, roadmaps, and demand management, serving as a security subject matter expert and business liaison.
    • Technical Domain Expertise: Provided deep technical expertise across critical security domains, including networking, virtualization, Identity & Access Management (IAM), cloud computing, directory services, databases, and the security stack (IDS/IPS, SIEM).
    • Compliance & Mentorship: Applied knowledge of security and regulatory frameworks (NIST, CIS, RegSCI, HIPAA) to design, while providing security mentorship and design consultation to technical teams across the organization.
    • Cross-Functional Leadership: Collaborated with Global Information Security (GIS) and Technology leaders to facilitate successful, on-time delivery of security and business solutions.
  • 2012 - 2014

    Chicago, US

    Senior Security Architect
    TRANSUNION
    • Architected and implemented robust security systems following a defined methodology (planning, implementation, testing) to meet and exceed enterprise information security requirements.
    • Developed and standardized comprehensive security policies and procedures, serving as the definitive reference for security operations and governance across the organization.
    • Provided security mentorship and technical guidance to team members, elevating the overall skill level and architectural consistency of the security engineering team.
  • 2010 - 2012

    Aurora, US

    Security Administrator
    UNITE HERE HEALTH
    • Spearheaded threat identification, investigation, and risk abatement strategies to safeguard the Confidentiality, Integrity, and Availability (CIA) of critical systems and data.
    • Served as a principal advisor and auditor, directly responsible for maintaining and reporting on strict HIPAA security and privacy compliance posture across all enterprise systems.
  • 1995 - 2010

    Aurora, US

    Networking Services Supervisor
    UNITE HERE HEALTH
    • Managed and mentored an 8-person cross-functional team of Network Administrators and Help Desk personnel, overseeing operations for critical infrastructure, including Windows, AIX, and Linux systems.
    • Functioned as a hands-on technical supervisor, providing advanced expertise and direct support in both technical resolution and team development.
  • 1988 - 1994

    Elgin, US

    Squad Leader / Sergeant (E-5)
    Illinois Army National Guard
    • Promoted to Sergeant (E-5) / Squad Leader, overseeing the training, readiness, and successful execution of missions for a 10-person Light Infantry Squad (11B).
    • Demonstrated primary leadership capabilities by successfully completing the rigorous Army Primary Leadership Development Course (PLDC).
    • Managed and maintained sensitive equipment, ensuring 100% operational readiness across all personnel and assets.

Skills

Cloud Security Expertise (GCP/AWS)
Security Architecture & Strategy
Identity & Access Management (IAM)
Data & Infrastructure Security
Security Operations & Risk Management
Governance, Risk, and Compliance (GRC)
Security Stack Management
Cloud Infrastructure Automation Security Policies
Cross-Functional Leadership
Technical Supervision & Mentorship
Strategic Decision-Making
Resource Management

Publications

  • 2021.06.23
    Strategies for Combating Cloud Security Risks
    Hackernoon
    The article emphasizes combating cloud security risks by implementing Infrastructure as Code (IaC) via orchestration pipelines, alongside rigorous least-privilege IAM policies (using scoping and conditions).

Education

  • 1988 - 1992

    Normal, Illinois

    BS
    Illinois State University
    English

Volunteer

  • 2007 - 2019

    Oswego, Illinois

    Adult Leadership Volunteer
    Scouting America
    Volunteered as Den Leader, Cubmaster, Assistanct Cubmaster and Wood Badge Staff member in support of my son over the course of his Scouting journey, concluding when he reached the rank of Eagle Scout.

Languages

English
Fluent

References

Available Upon Request
Please email for references.