What are the responsibilities and job description for the Cybersecurity Engineer position at Modern Technology Solutions, Inc. (MTSI)?
Modern Technology Solutions, Inc. (MTSI) is seeking a Cybersecurity Engineer to join our team in Springfield, VA. Qualified candidates must be U.S. citizens with a TS/SCI clearance and CI Polygraph.
Responsibilities
Responsibilities
- Support daily cybersecurity operations for AI/ML T&E environments, tools, applications, and operational evaluation platforms.
- Maintain compliance with RMF and ATO requirements through management of security documentation, control tracking, and operational security processes.
- Support development, maintenance, and update of ATO packages, RMF artifacts, SSPs, and security compliance documentation.
- Track and manage POA&Ms, vulnerability findings, remediation activities, and security action items.
- Execute or coordinate required vulnerability scanning and security assessment activities across operational environments.
- Facilitate secure deployment and integration of AI/ML tools, models, datasets, and evaluation pipelines across NGA operational domains including COE, SECNET, and SBU.
- Support secure operations across multiple classification levels including UNCLASSIFIED, SECRET, and TS/SCI environments.
- Identify, assess, escalate, and support remediation of cybersecurity risks impacting operational T&E activities.
- Support implementation of security practices within DevSecOps workflows, operational pipelines, and AI/ML evaluation environments.
- Collaborate with ISSMs, engineers, developers, and mission stakeholders to support secure and compliant operational execution.
- Maintain audit-ready cybersecurity documentation and support operational readiness activities.
- Experience supporting cybersecurity operations, RMF compliance, vulnerability management, or security documentation activities.
- Familiarity with RMF, ATO processes, POA&M tracking, and operational cybersecurity practices.
- Understanding of cybersecurity concepts related to operational systems, cloud environments, or enterprise infrastructure.
- Ability to support secure operational environments and work collaboratively within multidisciplinary technical teams.
- Strong analytical, organizational, and communication skills.
- Experience supporting DoD, NGA, or Intelligence Community programs.
- Familiarity with DevSecOps workflows, cloud security, and operational AI/ML environments.
- Experience supporting vulnerability scanning, compliance assessments, or operational security monitoring activities.
- Familiarity with NGA operational domains, classified environments, and secure system integration processes.
- Security certifications such as Security , CySA , SSCP, or equivalent
- Bachelor’s Degree in IT or STEM related field, or additional relevant experience in lieu of a degree.
- Security certifications such as CISSP, CASP , Security , CySA , SSCP, CCSP, or equivalent.
- Active TS/SCI clearance and the ability to pass a CI polygraph within 30 days.