NiSource

Sr. Cybersecurity Engineer

LocationMerrillville, IN
Job TypeFull-time
Salary$110,200-$165,300

About This Job


Description


Sr. Cybersecurity Engineer


Full Time Perm


Way of Work: Hybrid


Location: Columbus, OH

Salary: $110,200.00 - $165,300.00, plus 10% annual bonus

At NiSource, our Enterprise Security department excels in engineering sophisticated defenses, architecting resilient systems, and proactively defending the vital cyber infrastructure that is crucial to our business operations. As a Sr. Cybersecurity Engineer you will play a pivotal role in ensuring the security, reliability, and robustness of our information assets against a backdrop of evolving cyber threats.

This team collaborates with application, infrastructure, and enterprise architecture teams to enforce security controls at the network level. The team is also responsible for ensuring robust firewall policies, secure application delivery, and cloud-native threat protection through modern tooling and scripting.

The Sr. Cybersecurity Engineer reports to the Manager of Cybersecurity Network and works closely with the Firewall, Cloud Security, and DevSecOps teams to implement and manage secure network architectures across on-prem, OT, and cloud environments.

This role will be responsible for designing, deploying, and maintaining network security infrastructure with a focus on next-generation firewalls, web application firewalls, and Python-based automation frameworks.

Your responsibilities may include, but are not limited to:

Configure and manage F5 Cloud WAF policies, logging, and incident response workflows

Design and optimize Palo Alto firewall rule sets, NAT policies, and security profiles
Automate firewall and security operations using Python and API-based integrations
Perform network traffic analysis, threat detection, and rule tuning for perimeter and internal firewalls
Support security projects across IT and OT networks (including SCADA, IOT, and Purdue Model environments)
Assist in vulnerability mitigation efforts by reviewing rule coverage and implementing compensating controls
Document network security designs, rule justification matrices, and change management processes
Participate in incident response activities and support forensic data collection from firewall and WAF logs
Work with auditors and risk teams to support NIST, TSA, NERC CIP, and SOC2 compliance requirements
Evaluate and onboard new tools and techniques to improve network visibility and automation

You must possess the below minimum qualifications to be initially considered for this position. Preferred qualifications are in addition to the minimum requirements and are considered a plus factor in identifying top candidates.


Minimum Qualifications

Bachelor’s Degree or equivalent work experience
5+ years of experience with firewall administration, including Palo Alto Networks firewalls
2+ years of hands-on experience with F5 Cloud WAF or equivalent WAF technologies
Proficiency in Python for scripting and security automation
Experience in supporting security controls aligned with NIST, TSA Security Directives, or NERC CIP


Preferred Qualifications

Experience with Arista DMF, Corelight/Zeek, and segmentation of OT networks

Familiarity with Prisma Access, SASE architecture, and GlobalProtect VPN
Palo Alto Networks PCNSE or F5 Certification (401/101) preferred
Security+ or CISSP certification is a plus
CCIE


Disclaimer

This description is not designed to be a complete list of all duties and responsibilities required of the position.

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Work Authorization

Authorized to work in the United States without requiring sponsorship.

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.

By applying, you may be considered for other job opportunities.

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.


Salary Range*:


$110,200.00 - $165,300.00

The salary offered to a candidate is based on several factors including but not limited to the candidate’s skills, job-related knowledge, and relevant experience, as well as internal pay equity.*


Posting Start Date:


2025-06-02


Posting End Date (if applicable):

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

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