Senior Security Controls Assessor – Mission Assurance Lead

MANTECH; Miami (FL); On-site; USD 120,000 - 170,000; Full time

Job summary

MANTECH seeks a motivated, career- and customer-oriented Senior Security Controls Assessor to join our team in Doral, FL.

You will determine the effectiveness of security controls within information systems, lead Mission Assurance activities, and coordinate with stakeholders to identify mission-critical systems and cyber terrain. The role requires DoD 8570 Level III certifications and an active Secret clearance.

Qualifications

• Bachelor’s degree in cybersecurity or related field and 5+ years as a Security Control Assessor or similar.
• Master’s degree in related field and 3+ years of relevant experience.
• Associate degree and 7+ years of relevant experience.
• High school diploma and 9+ years of relevant experience.
• DoD 8570.01-M IAT Level III or IAM Level III certification (e.g., Security+ or SecurityX).
• Experience supporting Mission Assurance activities including mission dependency analysis and MRT-C/KT-C management.

Responsibilities

• Determines the effectiveness of security controls within IS, ensuring compliance and identifying vulnerabilities.
• Lead Mission Assurance activities to identify, assess, and reduce cyber-related risks to mission execution, critical capabilities, operational dependencies, and supporting information systems.
• Manage and maintain MADDS data to support leadership decision-making.
• Lead MRT-C and KT-C identification, mapping, validation, and risk mitigation across areas with stakeholders.
• Rate severity of weaknesses and oversee SAP, SCI, and RMF assessments per JSIG.
• Advise on security issues, evaluate authorization packages, and prepare SAR and POA&M for weaknesses.

Skills

Security Controls Assessment

RMF methodologies

Mission Assurance

Stakeholder coordination

Security risk analysis

Education

Bachelor’s degree in cybersecurity or related field

Master’s degree in related field

Associate degree + 7+ years experience

High school diploma + 9+ years experience

DoD 8570.01-M IAT Level III or IAM Level III certification

Tools

ServiceNow

Microsoft TechCenter

Jira

Job description

MANTECH seeks a motivated, career- and customer-oriented Senior Security Controls Assessor to join our team in Doral, FL.

You will determine the effectiveness of security controls within information systems, lead Mission Assurance activities, and coordinate with stakeholders to identify mission-critical systems and cyber terrain. The role requires DoD 8570 Level III certifications and an active Secret clearance.