What is a Security Engineer at Duke Energy?

As a Security Engineer at Duke Energy, you are stepping into a role that goes far beyond traditional corporate IT defense. You are actively protecting the critical infrastructure that powers millions of homes, businesses, and essential services across the country. In the energy sector, cybersecurity is treated with the same rigor and urgency as physical safety, making this position a cornerstone of our operational stability and public trust.

Your work will directly impact our ability to secure complex environments that blend traditional Information Technology (IT) with Operational Technology (OT) and Industrial Control Systems (ICS). You will collaborate with cross-functional teams to design, implement, and monitor security controls that safeguard our grid, customer data, and enterprise networks from sophisticated, evolving threats, including state-sponsored actors and ransomware campaigns.

Expect a role that balances strategic planning with hands-on technical execution. You will be navigating a highly regulated environment, meaning your solutions must be both innovative and compliant with strict industry standards like NERC CIP. If you are passionate about defending critical infrastructure and thrive in a collaborative, mission-driven environment, this role offers unparalleled scale and real-world impact.

Common Interview Questions

The questions below represent the types of inquiries you will face, drawn directly from candidate experiences. While you should not memorize answers, use these to identify the patterns of what our panels care about most: your resume, your technical logic, and your communication style.

Resume and Experience Probing

These questions are tailored specifically to the technologies and projects you have claimed on your resume. The panel wants to verify your depth of knowledge.

• Can you walk us through the most complex security project you led at your previous company?
• You listed experience with [Specific Tool]. How did you configure its alerting thresholds to reduce false positives?
• What was your specific contribution to the incident response team mentioned on your resume?
• Tell us about a time a project on your resume did not go as planned. What did you learn?
• How have you kept your technical skills sharp since your last role?

Technical and Scenario-Based

These questions test your core cybersecurity knowledge and how you apply it to realistic situations.

• Walk me through what happens when you type a URL into a browser, focusing on the security implications at each step.
• We have a legacy system that cannot be patched but is critical to operations. How do you secure it?
• Explain how you would investigate a suspected phishing email that a user already clicked.
• What are the key differences in securing a cloud environment versus an on-premise data center?
• How do you stay updated on the latest cybersecurity threats and zero-day vulnerabilities?

Behavioral and Culture Fit

These questions assess your alignment with our collaborative, safety-oriented culture.

• Tell me about a time you had to explain a complex technical risk to a non-technical manager.
• Describe a situation where you disagreed with a colleague on a technical approach. How did you resolve it?
• How do you handle high-stress situations, such as a major security incident or outage?
• Give an example of a time you went out of your way to improve a process that wasn't strictly your responsibility.
• Why are you specifically interested in working in cybersecurity for the energy sector?

Getting Ready for Your Interviews

Thorough preparation requires understanding not just technical security concepts, but also how those concepts apply to a major utility provider. Your interviewers will be looking for a blend of technical competence, practical experience, and alignment with our core values.

Role-Related Knowledge – This evaluates your foundational understanding of cybersecurity principles, network architecture, and threat landscapes. Interviewers want to see that you can apply security frameworks to real-world infrastructure and understand the nuances of protecting both enterprise and industrial environments.

Past Experience Deep Dive – We heavily index on your actual work history. Interviewers will probe the specific projects, tools, and outcomes listed on your resume to verify your depth of involvement and understand how you translate theory into practice.

Problem-Solving Ability – This assesses how you structure your approach to security incidents, architectural flaws, or compliance challenges. You can demonstrate strength here by walking the panel through your logical troubleshooting steps and showing how you weigh risk against operational availability.

Culture Fit and Safety Mindset – At Duke Energy, safety is our highest priority, encompassing both physical safety and cyber hygiene. Interviewers evaluate your ability to work collaboratively, communicate effectively across different technical levels, and embody a proactive, safety-first mentality in everything you do.

Interview Process Overview

The interview process for a Security Engineer at Duke Energy is designed to be thorough but conversational. Candidates typically describe the atmosphere as relaxed and welcoming, though the technical probing can be detailed. You will generally start with a brief recruiter phone screen to validate your background, compensation expectations, and basic qualifications.

If selected to move forward, you will be invited to a panel interview, usually conducted virtually. This panel typically consists of three to four team members, including your potential manager and peer engineers. A unique hallmark of our culture is that meetings—including interviews—often begin with a "safety advisory" or "safety moment." After this brief introduction, the panel will take turns asking you questions, frequently focusing heavily on your resume, with other panelists jumping in for follow-up inquiries.

The goal of this process is not to interrogate you, but to simulate how you would interact with the team on a daily basis. The panel wants to understand your communication style, your technical depth, and your ability to engage in collaborative problem-solving. At the end of the session, you will be given ample time to ask your own questions, which we highly encourage.

This visual timeline outlines the typical stages of our interview process, from the initial recruiter screen to the core panel interview and final offer stage. Use this to anticipate the pacing of your evaluations and prepare to engage multiple stakeholders simultaneously during the panel round. Note that while the process is generally streamlined, timelines can occasionally fluctuate based on internal hiring cycles.

Deep Dive into Evaluation Areas

To succeed in your interviews, you must be prepared to speak confidently across several key domains. Our panels use a mix of resume-based probing and scenario questions to gauge your readiness.

Resume and Experience Validation

We believe your past work is the best indicator of your future performance. Interviewers will go line-by-line through your resume, asking you to elaborate on specific projects, technologies, and outcomes you have listed. Strong performance here means being able to articulate not just what you did, but why you did it, the challenges you faced, and the impact it had on the business.

Be ready to go over:

• Project ownership – Explaining your specific role in team projects and deployments.
• Tool proficiency – Discussing your hands-on experience with SIEMs, firewalls, endpoint protection, or vulnerability scanners listed on your resume.
• Lessons learned – Reflecting on a project that failed or an incident that escalated, and how you adapted.

Example questions or scenarios:

• "Walk me through the architecture of the vulnerability management program you implemented at your last job."
• "You mentioned using Splunk for threat hunting. Can you describe a specific complex query you wrote to identify anomalous behavior?"
• "Tell us about a time you had to convince a reluctant IT team to patch a critical system."

Core Security Engineering and Architecture

As a Security Engineer, you must possess a rock-solid foundation in network security, system hardening, and threat mitigation. Interviewers evaluate your ability to design secure systems and identify flaws in existing architectures. A strong candidate will naturally balance security requirements with the need for operational uptime—a critical consideration in the utility sector.

Be ready to go over:

• Network security – Firewalls, IDS/IPS, segmentation, and zero-trust principles.
• Incident response – The lifecycle of an alert, from detection and triage to containment and eradication.
• Risk assessment – How to evaluate vulnerabilities based on exploitability and business impact.
• Advanced concepts (less common) –
  • OT/ICS security principles (e.g., Purdue Model).
  • NERC CIP compliance standards.
  • Cloud security architecture (AWS/Azure).

Example questions or scenarios:

• "If you see an alert for unexpected outbound traffic from a critical internal server, what are your first three steps?"
• "How would you design a secure network boundary between a corporate IT environment and an industrial control system network?"
• "Explain the difference between a vulnerability assessment and a penetration test, and when you would use each."

Behavioral and Team Collaboration

Working at Duke Energy requires a high degree of collaboration. You will often need to enforce security policies with teams whose primary goal is keeping systems running without interruption. Interviewers are looking for empathy, clear communication, and a team-oriented mindset.

Be ready to go over:

• Conflict resolution – Navigating disagreements over security policies or patching schedules.
• Communication – Explaining complex security risks to non-technical stakeholders.
• Adaptability – Handling shifting priorities during a live incident.

Example questions or scenarios:

• "Describe a time when you had to enforce a security policy that was highly unpopular with the end-users. How did you handle it?"
• "Tell me about a time you had to work with a difficult team member to resolve a critical issue."
• "How do you prioritize your tasks when you receive multiple high-severity alerts at the same time?"

Key Responsibilities

As a Security Engineer at Duke Energy, your day-to-day work revolves around proactive defense and continuous monitoring. You will be responsible for deploying, configuring, and tuning security tools that protect our enterprise and operational networks. This includes analyzing threat intelligence, managing vulnerabilities, and ensuring that our infrastructure meets strict regulatory compliance standards.

Collaboration is a massive part of this role. You will frequently partner with infrastructure engineers, application developers, and operational technology teams to integrate security controls without disrupting critical grid operations. When an incident occurs, you will act as a key technical responder, analyzing logs, containing threats, and developing remediation strategies.

You will also drive continuous improvement initiatives. This might involve automating repetitive security tasks, refining incident response playbooks, or leading security architecture reviews for new business projects. Your ultimate deliverable is a resilient environment that can withstand modern cyber threats while supporting the company's mission to deliver reliable energy.

Role Requirements & Qualifications

To be competitive for the Security Engineer position, you need a solid mix of technical acumen and the right soft skills to navigate a large, regulated enterprise.

• Must-have skills – Strong foundational knowledge of networking protocols (TCP/IP, DNS, HTTP), experience with enterprise security tools (SIEM, EDR, firewalls), and a clear understanding of vulnerability management and risk assessment. You must also have excellent analytical skills to triage alerts and investigate anomalies.
• Experience level – Typically, candidates have 3 to 5+ years of dedicated experience in cybersecurity, network engineering, or systems administration with a heavy security focus. A background in enterprise IT environments is essential.
• Soft skills – Exceptional verbal and written communication skills are required. You must be able to translate technical risks into business impacts and build consensus across disparate teams.
• Nice-to-have skills – Experience with Operational Technology (OT) or Industrial Control Systems (ICS) security is a massive differentiator. Familiarity with NERC CIP regulations, cloud security platforms, and scripting languages (Python, PowerShell) for automation will also make your profile stand out.

Frequently Asked Questions

Q: How difficult is the interview process? The difficulty is generally rated as average. The panel is not trying to trick you with obscure brainteasers; rather, they are focused on having a practical, thorough conversation about your actual experience and how it applies to our environment.

Q: What is the culture like during the interview? Candidates consistently report a relaxed, polite, and welcoming atmosphere. The panel wants to get to know you as a potential colleague. Expect a collaborative tone where back-and-forth dialogue is highly encouraged.

Q: Why do interviews start with a "safety advisory"? At Duke Energy, safety is foundational to our culture. It is standard practice to begin meetings with a brief "safety moment"—a short tip or reminder about physical or cybersecurity safety. It sets the tone for our operational priorities.

Q: How long does the process take from interview to offer? Timelines can vary. While the interview itself is often a single comprehensive panel round, the time to receive an offer can range from a few days to a few weeks, occasionally impacted by broader corporate hiring cycles or pauses.

Q: Do I need prior experience in the energy sector to be hired? No, prior energy or utility experience is not strictly required. While knowledge of OT/ICS environments is a great bonus, strong foundational IT security skills and a willingness to learn the nuances of critical infrastructure are what matter most.

Other General Tips

• Prepare your own Safety Moment: Because you know the interview will likely start with a safety advisory, preparing a brief, relevant safety tip (e.g., a quick reminder about MFA, or a physical safety tip like ergonomics) shows incredible cultural alignment and preparation.
• Know your resume flawlessly: The panel will use your resume as the primary roadmap for the interview. Be prepared to discuss the technical details, business impact, and your specific role for every single bullet point.
• Engage the entire panel: You will be speaking with 3 to 4 people. Make sure to make eye contact (even virtually) and direct your answers to the whole group, not just the person who asked the question.
• Ask thoughtful questions: When given the chance to ask questions at the end, use it to show your interest in the company's specific challenges. Ask about the integration of IT and OT, or how the team measures success.
• Emphasize availability alongside security: In the utility sector, bringing a system down for patching can be just as impactful as a cyber attack. Show that you understand how to balance security controls with operational uptime.

Summary & Next Steps

Securing a position as a Security Engineer at Duke Energy means stepping into a role of immense responsibility and impact. You are not just protecting data; you are ensuring the reliability of the power grid for millions of people. The interview process reflects this mission, focusing heavily on your practical experience, your ability to collaborate under pressure, and your alignment with our safety-first culture.

This compensation data reflects the typical salary range and potential components for a Security Engineer at Duke Energy. Use this information to understand the market value of the role and to confidently navigate compensation discussions during the recruiter screen or offer stage.

To succeed, focus your preparation on mastering the narrative of your own resume, brushing up on core network and incident response fundamentals, and practicing how to communicate technical concepts clearly. Approach the panel interview as a collaborative discussion rather than a test. We want to see how you think, how you solve problems, and how you will fit into our dedicated team.

For more insights, candidate experiences, and targeted practice, continue exploring resources on Dataford. You have the skills and the background to make a significant impact here—prepare diligently, speak confidently about your experiences, and show us your passion for defending critical infrastructure.