Senior Security Control Assessor

ManTech; Florida; On-site; USD 110,000 - 160,000; Full time

Job summary

MANTECH is seeking a Senior Security Controls Assessor in Doral, FL, to evaluate security controls, support mission assurance activities, and manage RMF/JSIG based assessments. You will coordinate with stakeholders to map MRT-C/KT-C and produce authorization packages.

Qualifications include DoD 8570.01-M certification and 5+ years of relevant experience, with a Secret clearance required. Strong analytical, documentation and leadership skills are essential.

Qualifications

• Bachelor’s degree in cybersecurity, IT, mathematics or related field with 5+ years in security controls assessment
• DoD 8570.01-M IAT III or IAM III certification (Security+) or equivalent
• Experience supporting Mission Assurance activities and MRT-C/KT-C

Responsibilities

• Assess effectiveness of security controls in IS to ensure compliance and identify vulnerabilities
• Lead Mission Assurance activities to identify and reduce cyber risks to mission execution
• Maintain MADDS data and support leadership decisions
• Identify and map MRT-C and KT-C, coordinating with stakeholders
• Oversee RMF-based assessments and security packages; prepare SAR and POA&M

Skills

RMF

JSIG

Mission Assurance

Cyber risk analysis

Documentation

Education

Bachelor's degree in cybersecurity, information technology, mathematics or related field

Master's degree in a related field

Associate degree

High school diploma

Tools

ServiceNow

Microsoft TechCenter

Jira

MADDS

Job description

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

Responsibilities include but are not limited to:

• Determines the effectiveness of security controls within Information Systems (IS), ensuring compliance and identifying vulnerabilities.

• Lead Mission Assurance (MA) activities that identify, assess, and reduce cyber-related risks to mission execution, critical capabilities, operational dependencies, and supporting information systems.

• Manage and maintain Mission Assurance Decision Support System (MADDS) data, ensuring mission dependencies, critical assets, risk information, assessments, and mitigation actions are accurately documented, current, and available to support leadership decision-making.

• Lead the identification, mapping, validation, and lifecycle management of Mission-Relevant Terrain in Cyberspace (MRT-C) and Key Terrain-Cyber (KT-C). Coordinate with mission owners, system owners, network operators, cybersecurity personnel, and other stakeholders to identify mission-critical systems, services, applications, infrastructure, dependencies, and cyber terrain.

• Rates the severity of weaknesses and recommends corrective actions, while overseeing Collateral, SCI, and SAP activities for sensitive information security. Oversee IS security program policy, specifically SAP network infrastructure integration, and assesses Risk Management Framework (RMF) methodologies in accordance with the Joint SAP Implementation Guide (JSIG).

• Advises ISO, IDO, PSO, and DAO/AO on security issues, evaluates authorization packages, and recommends authorization. Ensures security assessments are completed, prepares Security Assessment. Reports (SAR), assesses proposed changes to Authorization Boundaries, and creates Plans of Action and Milestones (POA&M) for identified weaknesses.

Minimum Qualifications:

• Bachelor’s degree in cybersecurity, information technology, mathematics or a related field of study and Five (5) or more years of experience working as a Security Control Assessor or in a similar role.

• OR a master’s degree in a related field of study and three (3) or more years of relevant experience.

• OR an associates degree and seven (7) or more years of relevant experience

• OR a high school diploma and nine (9) or more years of relevant experience

• DoD 8570.01-M IAT Level III or DoD 8570.01-M IAM Level III certification, for example Security+ or SecurityX.

• Experience supporting Mission Assurance activities, including mission dependency analysis, mission-based risk assessments, and the identification or management of MRT-C and KT-C.

Preferred Qualifications:

• Master’s degree in Cybersecurity, Computer Engineering, Computer Science, or other closely related IT discipline.

• Experience with ServiceNow, Microsoft TechCenter, or Jira ticketing systems. Experience with military/diplomatic operations working within a J-6/G-6/S-6/A-6 Directorate or with Special Operations Forces (SOF) or the Department of State (DoS) leading and performing cybersecurity risk assessments for and across multiple commands, agencies, and regionally distributed locations in a Security Operations Center (SOC).

• Experience using MADDS and managing or maintaining Mission Assurance, MRT-C, KT-C, critical-asset, mission-dependency, or risk data within an authoritative system of record.

• Experience leading MRT-C and KT-C identification, mapping, validation, risk analysis, and mitigation activities across enterprise, joint, interagency, or geographically distributed environments.

Clearance Requirements:

• Must have an active Secret clearance

Physical Requirements:

• Must be able to remain in a stationary position 50%

• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer

• The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.