Dignitas Technologies, a By Light company, offers a wide range of services in the military modeling, simulation, and training (MS&T) industry from research efforts advancing simulation technologies to large acquisition contracts. Dignitas specializes in system and software analysis, design, development, testing, fielding, and courseware for Live, Virtual, and Constructive (LVC) training applications. 

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

We are seeking a Senior Information Assurance Specialist to support secure enterprise and mission-critical environments within a high-security government program. The ideal candidate will have experience supporting cybersecurity compliance, vulnerability management, accreditation activities, and security control implementation across complex DoD environments.

This role requires strong knowledge of Information Assurance (IA), Risk Management Framework (RMF), STIG compliance, and cybersecurity best practices in classified environments.

• Support Information Assurance and cybersecurity operations for classified systems and networks
• Maintain compliance with DoD cybersecurity policies, RMF requirements, and security controls
• Assist with Authority to Operate (ATO) packages, system accreditation, and security documentation
• Conduct vulnerability assessments and coordinate remediation efforts
• Review and implement Security Technical Implementation Guides (STIGs)
• Monitor systems for security incidents, vulnerabilities, and compliance issues
• Support auditing, logging, incident response, and continuous monitoring activities
• Work closely with system administrators, network engineers, ISSOs, and program teams
• Ensure systems remain compliant with customer and regulatory requirements
• Participate in security assessments, inspections, and cybersecurity reviews
• Maintain documentation including SSPs, POA&Ms, SARs, and related artifacts
• Support patch management and configuration management processes

• Minimum10 years experience in network operations and information security.
• Demonstrated experience assessing security controls based on cybersecurity principles and tenets.(e.g., NIST SP 800-53, Cybersecurity Framework, etc.).
• In-depth understanding of relevance of NIST Security Controls and Control Implementation methodologies to the SA&SA process.
• Demonstrated experience with continuous monitoring/ongoing authorization.
• Bachelor's degree or equivalent experience. Meet DoDM 8140.03 IAT III/IAM II requirements.

Active DoD Secret Clearance required.