Senior Enterprise Architect – Security & Transformation

012 NiSource Corporate Services Co; Columbus (OH); On-site; USD 133,000 - 200,000; Full time

Job summary

NiSource is seeking a Senior Enterprise Architect to lead architecture across Application Development, Infrastructure, Security, Data & Analytics, and PMO. You will help define the vision, standards, and roadmaps, working with business and IT leaders to translate requirements into robust blueprints.

The role emphasizes security, governance, and cross-functional collaboration to enable strategic initiatives.

Qualifications

• Bachelor's Degree in related field or equivalent work experience; 10+ years of enterprise-wide architecture experience.
• Deep understanding of security capabilities including vulnerability management, identity, network security and SIEM.
• Experience in security frameworks such as NIST, ISO 27001; CISSP/CISM valued.
• Experience with on-premises and cloud platforms (Azure, AWS) and API-first design patterns.
• Knowledge of TOGAF, ITIL; strong cross-functional consulting skills and architecture governance.

Responsibilities

• Provide senior level guidance on enterprise architecture direction, decisions, and priorities.
• Translate business requirements into architecture blueprints and high-level designs.
• Lead Architecture Review Boards and governance processes across programs.
• Mentor other architects and drive collaboration across teams.
• Stay current on security threats and industry trends to evolve the architecture roadmap.

Skills

Security architecture

Enterprise architecture

Vulnerability & risk management

Leadership

Communication

Education

Bachelor's degree or equivalent in related field

Tools

LeanIX

Azure

AWS

TOGAF

ITIL

Job description

NiSource is seeking a Senior Enterprise Architect to lead architecture across Application Development, Infrastructure, Security, Data & Analytics, and PMO. You will help define the vision, standards, and roadmaps, working with business and IT leaders to translate requirements into robust blueprints.

The role emphasizes security, governance, and cross-functional collaboration to enable strategic initiatives.