Senior Security Engineer

This is a unique opportunity to help secure a vital component of the nation's energy infrastructure. You will work on challenging, mission-critical cybersecurity initiatives with direct impact on operational resilience, public safety, and national security. The role offers significant technical ownership, exposure to cutting-edge security technologies, and the opportunity to protect some of the most critical systems in operation today. Position Overview We are seeking a highly skilled Security Engineer to help architect, implement, and defend our cybersecurity infrastructure. This is a hands‑on technical role focused on protecting us from sophisticated cyber threats. The ideal candidate will bring experience securing highly regulated, mission‑critical environments and possess a strong understanding of both Information Technology (IT) and Operational Technology (OT) security. This individual will play a key role in designing and maintaining a resilient security posture across enterprise and industrial control environments. Key Responsibilities Cybersecurity Architecture & Engineering Design, implement, and maintain cybersecurity solutions and programs across enterprise and operational technology environments. Modernize legacy security infrastructure and support the transition to a hardened, security‑first architecture. Evaluate, deploy, and optimize security technologies including endpoint protection, network security, identity management, product security, and monitoring solutions. Support the implementation of Zero Trust principles across systems and networks. Secure the convergence of Information Technology (IT) and Operational Technology (OT) environments. Implement security controls for Industrial Control Systems (ICS), SCADA networks, and other critical operational technologies. Conduct vulnerability assessments, risk analysis, and vulnerability tests within industrial environments while maintaining operational reliability. Support network segmentation, access control, and secure remote access strategies for operational systems. Compliance & Risk Management Assist in maintaining compliance with applicable cybersecurity regulations and frameworks, including NIST SP 800-53, NRC requirements, and other critical infrastructure standards. Perform security assessments, control validation, and documentation activities. Support audits and regulatory reviews by providing technical evidence and remediation plans. Participate in enterprise risk assessments and mitigation planning. Security Operations & Incident Response Monitor, investigate, and respond to cybersecurity incidents and threats. Looking for Red Team, offensive security experience. Participate in incident response planning, tabletop exercises, and forensic investigations. Develop and maintain detection rules, monitoring capabilities, and security automation processes. Collaborate with internal stakeholders to strengthen threat detection and response capabilities. Industry Experience (preferred) 5+ years of cybersecurity engineering experience, preferably within one or more of the following sectors: Energy Nuclear Aerospace Aviation Defense/Military Critical Infrastructure Technical Expertise (required) Hands‑on experience securing Industrial Control Systems (ICS), SCADA, or Operational Technology (OT) environments. Strong understanding of network security architecture, segmentation, firewalls, intrusion detection/prevention systems, and endpoint security. Experience implementing Zero Trust security architectures. Knowledge of encryption technologies, PKI, identity and access management, and privileged access controls. Familiarity with cybersecurity risk assessment methodologies such as SABSA, TOGAF, or equivalent frameworks. Experience with vulnerability management, threat detection, and incident response. Security Clearance (preferred, not yet required for first hire) Active security clearance required at the time of application. Ability to maintain clearance eligibility throughout employment. Preferred Qualifications Military service experience or experience supporting military, defense, or government programs. Certifications such as CISSP, GICSP, GIAC, CISM, Security+, or similar. Experience supporting Security Operations Centers (SOC) or threat hunting initiatives. Experience with cloud security & on‑prem platforms environments. Knowledge of physical security integration with cybersecurity controls. #J-18808-Ljbffr Nelson Connects