Michael Costelli
Madison,CT
Summary
Agile product owner with 4+ years of experience in Identity and Access Management for AT&T Chief Security Organization (CSO). Worked as a cybersecurity professional for large business online portals. Goal-oriented IT professional with significant success in planning, analyzing and implementing of security plans and initiatives.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Senior - Cybersecurity
AT&T Services, Inc.
04.2020 - 05.2024
- Product owner for Chief Security Organization (CSO) - Identity and Access Management (IAM) Product Team
- Specifically, product owner for Agile scrum team supporting identity and access management for AT&T large business web sites
- Responsible for ensuring the client vision is communicated to and delivered by cross functional development teams
- Managed projects related to improving overall cybersecurity infrastructure within the company.
- Evaluated emerging technologies for their security implications for the organization's networks.
- Maintained up-to-date knowledge of cyber-security trends by attending conferences, seminars and workshops.
- Collected and defined business requirements to create successful roadmaps and implementation plans.
- Provided technical advice and guidance to clients regarding their technology needs.
Senior – Technology Security
AT&T Services, Inc.
01.2018 - 04.2020
- Java architect for consumer AT&T online properties. Responsible for creating design documentation for high profile Identity and access management IT projects and reviewing with cross functional development teams at AT&T.
- Collaborated with internal teams to ensure successful integration of newly acquired systems into existing infrastructure.
- Designed detailed specifications documents outlining the scope of proposed projects.
- Developed strategies for implementing new technologies in order to improve security and minimize risk.
- Implemented security measures to protect corporate networks from malicious attacks or unauthorized access.
- Maintained up-to-date knowledge of the latest trends in technology solutions and industry best practices.
Senior Technical Architect
AT&T Services, Inc.
01.2016 - 01.2018
- Java architect / developer responsible for creating design documentation for high profile online billing projects for all of AT&T services.
- Created comprehensive documentation for all architecture designs and implementations.
- Developed technical architecture plans and documented them for implementation.
- Assured all IT project development worked as per design documentation
- Diagnosed complex problems related to application architecture.
- Provided guidance on software development projects and associated technologies.
Professional Technical Architect
AT&T Services, Inc.
12.2010 - 01.2016
- Java architect / developer responsible for creating design documentation and development for high profile online billing projects.
- Coordinated with teams across multiple departments to ensure successful integration between systems.
- Created detailed diagrams illustrating application, data, and system architectures.
- Designed efficient database structures for storing large amounts of data.
- Assisted in troubleshooting complex problems related to distributed systems architectures.
Senior IT Analyst
AT&T Services, Inc.
12.2005 - 12.2010
- Java developer responsible for developing online billing project initiatives per architects' design documentation
- Responsible for unit testing and hosting peer reviews for completed work.
- Trained users on proper usage of new technologies or applications deployed in the organization.
- Resolved escalated customer service requests related to IT operations.
- Troubleshot program and system malfunctions to restore normal functioning.
- Created technical documentation for IT systems and procedures.
Education
Bachelor of Arts (BA) - Psychology
University of Connecticut, Storrs
Master of Business Administration (MBA) - Concentration in Computer Science
University of New Haven
Skills
- Accountability
- Agile Development
- Amazon Web Services (AWS)
- API Concepts and Methodologies
- Application Design
- Architecture
- Azure Dev-Ops
- Business Case Development
- Business Oriented
- Business Process Modeling
- Commercial Acumen
- Cybersecurity
- SAML
- OIDC
- Data Visualization
- Design Thinking
- Detail-Oriented
- Eclipse IDE
- Enterprise Information Security Architecture
- Excel
- HTML
- Identity Access Management (IAM)
- Information Security Management
- IT Leadership
- IT Systems Management
- Jakarta Struts
- Core Java and Related Technology
- JavaScript
- Jira Align
- JSON
- Leadership
- Linux
- Make data driven decisions
- Microservices
- Network and Internet Security
- Oracle
- Oral Communications
- Perl
- PL/SQL
- PowerPoint
- Postman
- Product Management
- Project Management
- REST APIs
- Risk Assessments
- Risk Management
- SAFe (Scaled Agile Framework)
- SpringBoot
- SQL
- Unix Shell Scripting
- Written Communication
- XML
Prior Roles
- Agile senior java architect, 2+, Identity and Access Management for Chief Security Organization. Proficient in web security.
- Agile web developer/architect, 10+, Delivering design and implementation for AT&T’s online billing and payment website (“myAT&T”) for consumers to view and pay their AT&T bills online. Proficient in Java, JavaScript, UNIX and SQL.
- IT data analyst, AT&T, Services Inc. Proficient in Microsoft Excel.
Certification
- SAFE-Agile 5.0 Product Owner/Product Manager Certified.
Affiliations
- Golf
- Tennis
- Listening to music
- Reading American literature (favorite author - John Steinbeck)
- Family time
Accomplishments
- Graduated magnum cum laude from University of New Haven.
References
References available upon request.
Timeline
Senior - Cybersecurity
AT&T Services, Inc.
04.2020 - 05.2024
Senior – Technology Security
AT&T Services, Inc.
01.2018 - 04.2020
Senior Technical Architect
AT&T Services, Inc.
01.2016 - 01.2018
Professional Technical Architect
AT&T Services, Inc.
12.2010 - 01.2016
Senior IT Analyst
AT&T Services, Inc.
12.2005 - 12.2010
Bachelor of Arts (BA) - Psychology
University of Connecticut, Storrs
Master of Business Administration (MBA) - Concentration in Computer Science
University of New Haven