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TDI is seeking a hands-on Information Systems Security Manager (ISSM) to support the Department of War cloud enterprise information systems at Impact Level 7 (IL7) in an on-site role in Northern VA. You’ll manage mission-critical workloads within modern cloud environments, driving ATO efforts and translating RMF, NIST SP 800-53, and Cloud SRG requirements into actionable security deliverables.
This is an on-site position supporting mission-critical Department of War programs. An active Top Secret clearance is required.
RESPONSIBILITIES:- Lead and support RMF activities throughout all phases (categorization, control selection, implementation, assessment, authorization, and continuous monitoring).
- Provide expert guidance on DoW cloud security policies, NIST SP 800-53 controls, CNSS policies, and DoW-specific frameworks such as Cloud Computing SRG and AI-specific guidance.
- Conduct security architecture reviews and security engineering analysis for cloud-native and containerized workloads.
- Evaluate security controls associated with Kubernetes, Docker, and container orchestration platforms.
- Assess security risks related to generative AI components, including large language models (LLMs) and AI/ML workloads, ensuring responsible and compliant use.
- Develop and maintain System Security Plans (SSPs), Security Assessment Reports (SARs), Plan of Action and Milestones (POA&Ms), and related RMF documentation.
- Perform threat modeling, vulnerability assessments, and risk analysis tailored to cloud environments and AI technologies.
- Interface with system architects, developers, and DevSecOps teams to integrate security throughout the Software Development Lifecycle (SDLC).
- Lead the compliance team through security control assessments (SCAs) and coordinate with third-party assessors.
- Monitor, track, and report on security compliance posture through Continuous Monitoring (ConMon) processes.
- Minimal travel will be required.
- Active Top Secret security clearance.
- Advanced proficiency for Information System Security Manager IAW DoD 8140.
- Bachelor’s degree in Cybersecurity, Computer Science, or Information Technology, and 8+ years of cybersecurity experience, including demonstrated experience supporting Risk Management Framework (RMF) activities for Department of War (DoW) systems.
- Experience leading the Assessment and Authorization processes from start to finish in classified DoW environments.
- Candidates should have practical, hands-on experience with at least one cloud platform, including AWS, Microsoft Azure, or Google Cloud Platform (GCP), with demonstrated experience in IAM, VPC/networking, Kubernetes, and cloud security services.
- Knowledge of containerized environments (e.g., Docker, Kubernetes) and container security best practices.
- Familiarity with Generative AI technologies, including LLMs and AI/ML security considerations.
- Deep understanding of NIST SP 800-53, DoD RMF, FedRAMP, and other relevant cybersecurity frameworks.
- Experience writing and maintaining RMF artifacts such as SSPs, POA&Ms, and SARs.
- Strong communication skills and ability to collaborate effectively with technical and non-technical stakeholders.
- Experience with security risk assessments in DoW environments
- Advanced cloud security certifications, such as Google Professional Cloud Security Engineer, Cloud Certified Security Professional or Azure equivalent.
- Experience integrating DevSecOps pipelines with RMF compliance processes.
- Familiarity with automation tools for RMF documentation and control testing (e.g., Xacta, eMASS, OpenRMF).
The anticipated salary range for this position is $165,000 - $215,000. This range is a good-faith estimate and not a guarantee of compensation. Final compensation will be based on factors including experience, education, skills, geographic location, internal equity, market data and applicable contract requirements, and may fall outside the posted range.
Skills Required
- Active Top Secret security clearance
- Advanced proficiency for Information System Security Manager under DoD 8140
- Bachelor's degree in Cybersecurity, Computer Science, or Information Technology
- 8+ years of cybersecurity experience
- Experience supporting RMF activities for Department of War systems
- Experience leading Assessment and Authorization processes in classified Department of War environments
- Hands-on experience with AWS, Microsoft Azure, or Google Cloud Platform
- Experience with IAM, VPC/networking, Kubernetes, and cloud security services
- Knowledge of Docker, Kubernetes, and container security best practices
- Familiarity with generative AI, LLMs, and AI/ML security considerations
- Deep understanding of NIST SP 800-53, DoD RMF, FedRAMP, and relevant cybersecurity frameworks
- Experience writing and maintaining SSPs, POA&Ms, SARs, and other RMF artifacts
- Strong communication and collaboration skills
- Experience with security risk assessments in Department of War environments
- Advanced cloud security certification, such as Google Professional Cloud Security Engineer, CCSP, or Azure equivalent
- Experience integrating DevSecOps pipelines with RMF compliance processes
- Familiarity with Xacta, eMASS, OpenRMF, or similar RMF automation tools
What We Do
For over 20 years, TDI’s one and only passion has been delivering cybersecurity solutions to effectively manage the business of cyber. At the global vanguard of innovation, we created Cybersecurity Performance Management (CPM) and the industry-leading CPM platform, CnSight®. Combining CnSight® with our remarkable historical experience and our exceptional capabilities of cyber operations and compliance, we offer Managed Cybersecurity Performance, a first of its kind managed CPM offering. TDI’s CPM solutions mitigate risk, reduce ransomware, provide continuous compliance, improve cyber-ROI, and provide comprehensive instantaneous visibility into how an organization is performing against its cyber strategy, particularly for Boards of Directors. CnSight® is the industry-leading Cybersecurity Performance Management (CPM) platform which mitigates risk, reduces ransomware, provides continuous compliance, improves cyber-ROI, and provides comprehensive instantaneous visibility into how an organization is performing against its cyber strategy, so executives and Boards may effectively manage the business of cybersecurity– the result: reduced stress, better performance, less cost, and a true understanding of cyber investment. With CnSight® at its core, TDI’s Managed Cybersecurity Performance offering ensures strategic cyber goals are met to protect an organization’s investments, assets and reputation by reducing the risk of ransomware, lowering cyber insurance premiums, improving ROI, reducing legal and fiduciary liability, delivering actionable reporting to the Board and C-Suite, providing on-call advice, ensuring continuous compliance and providing subject matter expertise on the organization’s behalf in meeting with the C-Suite and the Board, dealing with auditors, and supporting budget decisions – the result: reduced stress, better performance, less cost, and a true understanding of cyber investment.
