AI Security Architect — DoD TS Clearance, Hybrid

Tier4 Group; Chambersburg (Franklin County); Hybrid; USD 150,000 - 190,000; Full time

Job summary

Tier4 Group seeks an AI Security Architect to guide security engineering for AI/ML systems, including LLMs and generative AI, on a hybrid schedule at Chambersburg, PA or Fort Meade, MD.

Requirements include DoD Top Secret clearance, 10+ years in security architecture, and DoD 8140 certs; a Bachelor's degree is required. You will translate RMF/NIST into practical controls and collaborate with mission partners and developers to secure data throughout training and inference.

Qualifications

• Bachelor's degree or equivalent professional experience.
• 10+ years of related experience.
• DoD 8140 Work Role 652 Security Architect Certification requirement (must have at least one of the following): Security X/CASP+CE, CCSP, Cloud+, CISSP, CSSLP, CISM, CISSP-ISSAP, CISSP-ISSIP, CSSLP, and GSEC.
• Must have and maintain a current DoD Top Secret clearance.
• Must reside within a commutable distance of Fort Meade, MD or Chambersburg, PA in order to work a hybrid onsite schedule (4 days onsite weekly).
• Demonstrated experience securing AI/ML technologies, including LLMs and generative AI.
• Demonstrated knowledge of RMF, NIST SP 800-37, NIST SP 800-53, and NIST AI RMF.
• Knowledge of AI-specific vulnerabilities and associated mitigation strategies.
• Experience designing or evaluating secure data architectures and pipelines supporting AI/ML workloads.
• Ability to translate cybersecurity requirements into implementable engineering solutions.
• Strong written and verbal communication skills with the ability to explain complex cybersecurity concepts to both technical and non-technical stakeholders.
• Ability to manage multiple concurrent projects in a high-tempo DoD environment.

Responsibilities

• Provide security architecture and engineering guidance for AI/ML systems, LLMs, generative AI, and associated supporting infrastructure.
• Apply the NIST AI Risk Management Framework (AI RMF) to AI/ML system design, integration, deployment, and operation.
• Identify and recommend mitigations for AI-specific security threats and vulnerabilities, including prompt injection, data poisoning, model evasion, and related attack vectors.
• Architect and review secure data pipelines used to collect, process, train, validate, and provide data to AI/ML models.
• Develop security approaches that protect mission data and CUI used during model training and inference.
• Evaluate AI/ML architectures and data flows to identify security weaknesses and recommend threat-informed engineering solutions.
• Translate DoD cybersecurity, RMF, and NIST requirements into practical security controls for AI-enabled systems.
• Collaborate with system owners, architects, developers, ISSMs, and ISSOs to integrate security into AI/ML capabilities from concept through production.
• Communicate AI security risks, recommended mitigations, and architectural alternatives to both technical teams and Government leadership.

Skills

Security Architecture

AI/ML Security

RMF

NIST SP 800-37

NIST SP 800-53

DoD Top Secret clearance

Education

Bachelor's degree

Job description

Tier4 Group seeks an AI Security Architect to guide security engineering for AI/ML systems, including LLMs and generative AI, on a hybrid schedule at Chambersburg, PA or Fort Meade, MD.

Requirements include DoD Top Secret clearance, 10+ years in security architecture, and DoD 8140 certs; a Bachelor's degree is required. You will translate RMF/NIST into practical controls and collaborate with mission partners and developers to secure data throughout training and inference.