Senior Information Systems Security Engineer

Data Intelligence, LLC is a leading provider of cutting-edge IT and cybersecurity solutions for federal agencies. We specialize in supporting mission-critical systems with a focus on security, innovation, and compliance. We are currently seeking a dedicated Senior Information Systems Security Engineer (ISSE) to support a premier federal client in Clarksburg, VA. This hybrid position offers the opportunity to contribute to national security initiatives in a dynamic and collaborative environment and contingent upon contract award.

Position Overview

The Senior ISSE will support the client, implementing security engineering across 30+ mission-critical systems and services. This includes ensuring that new and modified systems meet stringent security controls, working closely with Information System Security Officers (ISSOs), System Security Analysts (SSAs), and development teams.

Key Responsibilities

• Collaborate with ISSOs, SSAs, and system owners to understand and address mission-based information protection requirements.
• Define and allocate system security requirements using best practices and NIST RMF guidelines.
• Design system security architecture in coordination with enterprise architects and development teams.
• Evaluate system design proposals to ensure effective allocation of security functions and compliance with client policy.
• Support boundary determination for security authorization using client and NIST standards.
• Develop detailed security design documentation, including life-cycle considerations and component/interface specifications.
• Map system security requirements to design elements to ensure complete coverage.
• Assess systems for effectiveness in meeting confidentiality, integrity, availability, authentication, and non-repudiation goals.

Required Qualifications

• Master's Degree in any discipline, but a degree in Cybersecurity, Computer Science, Information Systems, Engineering, or a related technical field is preferred
• 10+ years of progressive experience in cybersecurity engineering, systems security, or related IT security disciplines
• Demonstrated hands-on experience with secure system design, implementation, and assessment across enterprise-level environments
• Extensive knowledge of NIST Risk Management Framework (RMF) and NIST SP 800-53 security and privacy controls
• Practical experience implementing security for cloud-based environments, including Amazon Web Services (AWS) and Microsoft Azure
• Familiarity with automation, DevSecOps, and security integration in CI/CD pipelines
• Strong understanding of enterprise network infrastructure, application security, and system architecture
• Proven ability to analyze complex security requirements and translate them into technical solutions
• Excellent written and verbal communication skills, including the ability to create clear documentation and briefings for both technical and non-technical audiences
• Ability to work collaboratively in a cross-functional team and interface with government and contractor stakeholders

Required Security Clearance

• Active Top Secret security clearance

Preferred Certifications

• Certified Information Systems Security Professional (CISSP)
• Cloud Security Certifications, such as:

• • AWS Certified Security - Specialty
  • Microsoft Azure Security Engineer Associate
  • Certified Cloud Security Professional (CCSP)

Why Join Data Intelligence, LLC?

• Collaborate on cutting-edge technologies in support of national security missions.
• Thrive in a mission-driven, team-oriented environment.
• Receive competitive compensation and a comprehensive benefits package.
• Access career advancement and professional development opportunities.

Data Intelligence, LLC is an Equal Opportunity Employer. We value diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.