Cloud Information Systems Security Engineer-SME

Tetrad Digital Integrity LLC • Quantico, VA

3d

About The Position

Tetrad Digital Integrity (TDI) is a cybersecurity firm built for high-consequence environments where mission, complexity, and trust intersect. Our single focus has been delivering cyber solutions to effectively manage risk & the business of cyber for 25 years!
TDI is seeking Cloud Information System Security Engineers (ISSEs) to support the implementation of the NIST Risk Management Framework (RMF) and Security Assessment and Authorization (SAA) process in alignment with established cybersecurity standards. ISSEs will design, implement, and maintain secure information systems within government environments. Responsibilities include integrating cybersecurity controls into system architectures, supporting RMF and NIST compliance efforts, conducting vulnerability assessments, and developing security engineering solutions to safeguard sensitive data and critical infrastructure. These positions require an active Top-Secret clearance.
We have multiple ISSE opportunities available across several locations, including the National Capital Region (NCR), Huntsville, AL, Clarksburg, WV, and Quantico, VA.

Requirements

• Active Top-Secret clearance
• Bachelor’s degree in Computer Science, Information Technology, Business Management, or a related field required
• Minimum of 10 years of experience in the secure design, analysis, testing, and implementation of information security systems and products.
• Extensive experience applying security standards, methodologies, and best practices to ensure baseline security controls are properly implemented and documented.
• Proven experience developing and maintaining security test plans to identify, assess, and mitigate risks to information systems.
• CISSP or CEH certification required

Nice To Haves

• Cloud certification

Responsibilities

• Lead and mentor a team of security professionals supporting the full RMF lifecycle for federal IT systems.
• Oversee system categorization, security control selection, implementation, assessment, authorization, and continuous monitoring activities in alignment with NIST RMF requirements.
• Ensure the effective implementation and validation of technical, operational, and management security controls across system lifecycles.
• Prepare and maintain risk management and authorization documentation to support compliance and executive decision-making.
• Provide cybersecurity subject-matter expertise in risk analysis, incident response, remediation, audit support, and continuous process improvement.
• Track and communicate security status, risks, and compliance metrics to leadership and stakeholders while promoting security awareness and best practices.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior