Security Engineer (ISSE) (VA, Alexandria)

RiVidium is seeking a Security Engineer (ISSE) to support our planned MODES III team supporting Military Community and Family Policy (MC&FP). This role supports IT, Cybersecurity, and Data Operations ? Core Operations and helps deliver mission-focused outcomes for service members, families, and related stakeholders. Supports assigned PWS task area; provides subject matter expertise, operational execution, and measurable performance reporting aligned to task objectives. This position is contingent upon contract award.

Key Responsibilities

• Engineer and maintain security controls and security-focused technical solutions across the environment.
• Support secure configurations, control implementation, compliance activities, and technical remediation.
• Coordinate with RMF, cloud, and operations teams to strengthen system security posture.
• Contribute to monitoring, documentation, and risk reduction efforts.

Basic Qualifications

• Bachelor?s degree in a relevant discipline or equivalent professional experience.
• Relevant experience aligned to the role and labor category; openings may be filled at Mid (5-8 yrs), Senior (10-12 yrs).
• Ability to satisfy applicable Government personnel security requirements for the assigned role. For IT and cybersecurity workforce positions, applicable DoD 8140 training and certification requirements will apply upon award.
• Strong communication, teamwork, and documentation skills in a mission-focused delivery environment.
• Experience supporting cybersecurity operations, engineering, compliance, or analysis activities relevant to the role.

Preferred Qualifications

• Experience with NIST RMF, security controls, vulnerability management, and compliance documentation.
• Familiarity with eMASS, STIGs, POA&M management, and secure engineering practices.
• Experience aligning technical execution to DoD cybersecurity and continuous monitoring expectations.

Work Setting

This role is expected to support work in the Alexandria, Virginia area, with on-site support at the DoD Mark Center or other customer-approved locations as required. Hybrid support in the Alexandria, Virginia area is expected, with on-site support as required by the customer.