Senior Enterprise Architect - Security

About the role

The Senior Enterprise Architect reports to the Head of Architecture and works closely with the Application Development, Infrastructure, Security, Data & Analytics, and PMO teams to provide overall architecture leadership across NiSource. This role requires deep technology experiences within Security to build out the architecture vision, strategy, and capability roadmap.

Responsibilities

• Provides senior level expertise on overall direction, guidance, definition, decisions, and priorities regarding the enterprise’s overall architecture to effectively support the organization business strategy.
• Interacts with business leaders, IT leaders, vendors and industry experts to translate business requirements, understand options to capabilities, and create architecture blueprints and high-level solution designs for the most complex architectural components of a program.
• Strategy – Interfaces across several business areas, acting as a visionary to proactively assist in defining direction for future projects. Help business leaders and their teams think through the technology, business and operational implications of their technology investment decisions.
• Execution – Reviews, advises, and designs standard software and hardware builds, system options, risks, costs versus benefits, and impact on the enterprise business process and goals. Be the architecture thought leader and trusted go-to partner for Product and Engineering leadership across the organization, recommending innovative solutions to improve live and new system architectures.
• Operations – Facilitates the establishment and implementation of standards and reference material that guides the design of technology solutions. Lead architectural collaboration and governing processes including Architecture Review Boards, Solution Architecture reviews, exception management, and related processes.
• Innovation - Responsible for researching, analyzing, designing, proposing, and delivering solutions that are appropriate for the business and technologies strategies. Tracks industry trends and maintains knowledge of new technologies to better serve the enterprise’s architecture needs.

Requirements

• Bachelor's Degree in related field or equivalent work experience
• 10+ years of relevant enterprise-wide architecture, including deep understanding of various aspects of Security capabilities listed: Vulnerability Management, Network Security, Identity Management, Firewall Management, End Point Protection, Risk Management, Incident Response, Penetration Testing, Security Information and Event Management (SIEM), Security Orchestration, Automation, and Response (SOAR), Data Loss Prevention, IPS/IDS, Cloud Services, IoT / OT Security, Data Encryption (In Motion and at Rest), Automation (DevSecOps)
• Experience within security architecture design, risk and asset management, policy and compliance, system evaluation and integration, incident response and monitoring
• Stay updated on emerging threats, hacker methodologies, and security standards
• Experience in directing and mentoring other architects in the team and across the organization
• Expertise in security frameworks such as NIST, ISO 27001, etc.
• Professional certifications like CISSP, CISM are highly valued
• Experience with on-premise solutions and cloud platforms on Azure, AWS
• Deep knowledge of API-first design patterns
• Technology skills across multiple IT domains (e.g. application, data, infrastructure, security)
• Strong consultative skills at a cross-functional level
• Strong skills in Word, Excel, PowerPoint, and LeanIX
• Knowledge of TOGAF, ITIL, and other architecture / business process frameworks
• Experience in application development, systems management, and/or project management is a plus

Qualifications

• Leadership competencies in: - Organizing and Setting Priorities - Managing and Measuring Work - Peer Relationships - Continuous Improvement - Motivating Others - Self-motivated; capable of managing multiple tasks

Skills

• Researching, analyzing, designing, proposing, and delivering solutions that are appropriate for the business and technologies strategies
• Tracking industry trends and maintaining knowledge of new technologies to better serve the enterprise’s architecture needs

Benefits

NiSource offers a comprehensive benefits package including health insurance, retirement plans, paid time off, and more. Specific details are available upon request.

Pay

$133,400.00 - $200,100.00*

Schedule

Full-time position with flexible working hours to meet the needs of the business.

Workplace Connection

Value inclusion within your day to day responsibilities by respecting others perspectives/convictions, engaging others opinions, creating a safe environment where people, ideas, and opinions are valued within your Team/Customers and external partners. Respect the unique lived experiences within your Team/Customers and external work partners by valuing different world views, challenges, and cultures that represents all walks of life and all backgrounds. Treat others with respect and consideration. Actively participate in creating and contributing to a positive work environment.

Equal Employment Opportunity

NiSource is committed to providing equal employment opportunities in each of its companies to all employees and applicants for employment without regard to race, color, religion, national origin or ancestry, veteran status, disability, gender, age, marital status, sexual orientation, gender identity, sex (including pregnancy, lactation, childbirth or related medical conditions), genetic information, citizenship status, or any protected group status as defined by law. Each employee is expected to abide by this principle.

ADA Accommodations

If you need a reasonable accommodation to participate in any part of the hiring process or to perform the essential functions of the position, please contact OneHR at OneHR@nisource.com or 1-888-640-3320.

Safety Statement

Promote a safe work environment by actively participating in all aspects of our employee safety program. Report any unsafe conditions and take actions to prevent personal injuries. Support our interdependent safety culture by ensuring the safety of your co-workers. Stay focused on the task at hand and promote productivity through good work habits.

Posting Start Date

2026-04-03

Posting End Date (if applicable)

Please note that the job posting will close on the day before the posting end date.