Information Systems Security Engineer (ISSE)

We are seeking a highly skilled and mission-driven Information Systems Security Engineer (ISSE) to support advanced cyber engineering activities for NNSA HQ OCIO Special Technologies. The ISSE will operate within an EOS-driven environment, contributing to quarterly Rocks, scorecard metrics, and team-aligned objectives. This role requires deep technical expertise, strong analytical capabilities, and the ability to design innovative cybersecurity solutions in collaboration with senior cyber-SMEs, including guidance from the program's Tier 3+ cybersecurity advisor.

The ISSE will solve complex cybersecurity challenges, develop technical solutions, support multi-lab assessments, and contribute to mission-critical security engineering for DOE/NNSA programs.

Requirements

Key Responsibilities

• Conduct advanced cyber engineering activities using modern toolsets and methodologies.
• Collaborate with SMEs and program managers to design innovative solutions for complex cybersecurity challenges, including critical infrastructure, ICS security, and information security.
• Develop and deliver cybersecurity training to domestic and international partners.
• Provide cybersecurity expertise as part of multidisciplinary and multi-lab teams supporting DOE/NNSA's DNN mission.
• Develop software and technical solutions in support of GMS missions and sponsor requirements.
• Engage frequently with cybersecurity experts to share knowledge, align on deliverables, and strengthen team outcomes.
• Independently design technical solutions; analyze sponsor requirements; implement software and perform technical analyses.
• Manage multiple concurrent tasks and stakeholder priorities to meet deadlines and program objectives.
• Demonstrate expertise with Splunk, RSA, Tenable Nessus, and SELinux.
• Apply strong understanding of ports, protocols, and services to support secure system and network design.
• Assist architects and system developers in implementing appropriate security functionality aligned with agency policy and enterprise solutions.
• Contribute to security planning, assessments, risk analysis, risk management, certification, and awareness activities.

Additional Responsibilities

• Support audits, reviews, and compliance activities; manage findings and drive favorable outcomes.
• Develop new policy, documentation, and training materials when required; negotiate adoption across contractor and federal stakeholders.
• Ensure alignment with EOS expectations, including quarterly Rocks, scorecard metrics, and team accountability.

Required Qualifications

• Experience performing cybersecurity engineering in federal or national security environments.
• Strong technical background with Splunk, RSA, Tenable Nessus, SELinux, and secure network/system design.
• Ability to design, document, and communicate complex cybersecurity solutions.
• Experience supporting multi-disciplinary teams and mission-driven cybersecurity programs.
• Strong understanding of ports, protocols, services, and secure system architecture.

Medical, dental, vision, and 401k benefits are included with this position.