Security Control Assessor, Lead

Booz Allen Hamilton; Maryland; On-site; USD 99,000 - 225,000; Full time

Job summary

Booz Allen Hamilton is seeking a Lead Security Control Assessor to direct the SCA workstream for CDAO systems and environments, advising the AO on control effectiveness and risk. You will govern assessment strategy, evidence standards, and SAR/SAP reviews.

Your role includes developing and governing RMF guidance, test procedures, and BOE documentation, while mentoring assessors and coordinating with stakeholders across the organization.

Qualifications

• 8+ years of experience with cybersecurity including substantial DoD or federal RMF, security assessment, security engineering, or authorization
• Experience with eMASS, analyzing STIG, SCAP, ACAS findings, POA&Ms, architecture, inherited controls, compensating controls, and technical evidence
• Experience leading security control assessments and producing or approving SSPs, SAPs, SARs, POA&Ms, risk assessments, and authorization packages
• Experience with administration of Windows, Linux, AWS Cloud, and containerization systems and software configuration
• Experience with technical writing, facilitation, quality-assurance, team leadership, and stakeholder-management capabilities
• Knowledge of NIST SP 800-53, NIST SP 800-37, DoD RMF, STIGs, vulnerability management, and security-control assessment methodology
• Ability to evaluate complex enterprises, cloud, hybrid, containerized, data, and AI-enabled architectures and communicate risks at the AO and executive levels
• Ability to lead cybersecurity testing events including automated scanning tools, manual STIGs/SRGs, and remediation tracking

Responsibilities

• Provide eMASS administration, analyze STIG, SCAP, ACAS findings, POA&Ms, architecture, inherited controls, compensating controls, and technical evidence
• Work with the project ISSM to understand customer RMF requirements for systems
• Lead independent security control assessments per RMF, NIST guidance, and DoD policy
• Brief findings and risk recommendations to the ISSM, AO, and stakeholders
• Develop RMF BOE documentation and input into AO databases (eMASS, SharePoint)
• Review and approve SAPs and SARs for technical accuracy and defensibility
• Coordinate with system owners, ISSMs/ISSOs, engineers, admins, leaders, and AO reps
• Review system boundaries, data flows, interfaces, and significant changes
• Oversee assessment execution for ATO, reauthorization, annual review, changes, and continuous monitoring
• Brief status, risks, remediation, and authorization recommendations to senior stakeholders
• Mentor assessors and ensure independence across the lifecycle
• Develop relationships with stakeholders across the organization
• You Have: 8+ years in cybersecurity including DoD/federal RMF and authorization

Skills

DoD RMF

Security assessment

Lead/mentoring

eMASS administration

STIG/SCAP/ACAS

Education

Bachelor's degree in Engineering or Cyber

Tools

eMASS

Windows

Linux

AWS Cloud

Containerization

Job description

Join a culture of empowerment and connectivity.

Develop your craft

Learn the skills you need to accelerate your career.

Discover benefits that support your life and work.

Innovate with intention

Build mission-ready tech that protects the nation.

The Lead Security Control Assessor directs the SCA workstream and provides independent cybersecurity assessment leadership for CDAO systems and environments to the ISSM. The Lead SCA owns assessment strategy, quality standards, stakeholder coordination, risk adjudication, and final review of Security Assessment Plans (SAPs) and Security Assessment Reports (SARs). The position advises technical leadership and Authorizing Official (AO) stakeholders on control effectiveness, authorization readiness, and residual cybersecurity risk.In this role you will be responsible for developing and governing the assessment approach, schedule, evidence standards, test procedures, and quality-control framework for the SCA team.

What You'll Work On:

Provide eMASS administration, analyze STIG, SCAP, ACAS findings, POA&Ms, architecture, inherited controls, compensating controls, and technical evidence.

Work with the project ISSM to understand customer cybersecurity RMF requirements applicable to the systems in their respective environments.

Lead independent security control assessments in accordance with DoD RMF, NIST guidance, applicable DoD cybersecurity policy, and organizational assessment procedures.

Brief findings and risk recommendations to the ISSM, AO representative, and AO-level stakeholders.

Develop all system applicable RMF Body of Evidence (BOE) documentation ensuring accuracy, relevance, and completion to meet requirements and input BOE documentation into AO approved databases such as eMASS or AO specific SharePoint site.

Review and approve SAPs and SARs for technical accuracy, evidence sufficiency, traceability, consistency, and defensibility before stakeholder delivery.

Coordinate with system owners, ISSMs and ISSOs, cybersecurity engineers, administrators, developers, program leadership, control providers, and AO representatives.

Review system boundaries, data flows, external interfaces, interconnections, inherited controls, common-control dependencies, and significant changes.

Oversee assessment execution for ATO, reauthorization, annual assessment, significant-change assessment, and continuous monitoring activities.

Brief assessment status, systemic risks, unresolved findings, remediation priorities, and authorization recommendations to senior stakeholders.

Mentor assessors, calibrate assessment judgments, and ensure independence and objectivity across the assessment lifecycle.

Develop and maintain strong relationships with stakeholders across the organization

You Have:

8+ years of experience with cybersecurity including substantial DoD or federal RMF, security assessment, security engineering, or authorization

Experience with eMASS, analyzing STIG, SCAP, ACAS findings, POA&Ms, architecture, inherited controls, compensating controls, and technical evidence

Experience leading security control assessments and producing or approving SSPs, SAPs, SARs, POA&Ms, risk assessments, and authorization packages

Experience with administration of Windows, Linux, AWS Cloud, and containerization systems and software configuration

Experience with technical writing, facilitation, quality-assurance, team leadership, and stakeholder-management capabilities

Knowledge of NIST SP 800-53, NIST SP 800-37, DoD RMF, STIGs, vulnerability management, and security-control assessment methodology

Ability to evaluate complex enterprises, cloud, hybrid, containerized, data, and AI-enabled architectures and communicate risks at the AO and executive levels

Ability to lead, organize, and complete various cybersecurity testing events including using applicable automated security scanning tools, system required manual STIGs and SRGs and compiling, reviewing, and analyzing results and providing to the ISSM for review and finalization

TS/SCI clearance

Bachelor's degree in a technical field such as Engineering or Cyber

Nice If You Have:

Experience reviewing system connection requests for completion and ensure that requirements are met and make recommendations to the ISSM for approval

Experience performing dynamic security assessments triggered by system changes, threat changes, vulnerabilities, incidents, or mission conditions

Ability to communicate cybersecurity test result outcomes, risks, and suggest fixes to the project engineering team to fix or mitigate potential risks and document Plan of Action and Milestone (POA&M) development and tracking, driving remediation of vulnerabilities to a level acceptable to the Authorizing Official (AO)

Ability to adjudicate complex findings, evaluate compensating controls and mitigations, validate risk determinations, and advise on residual mission risk

Ability to lead quarterly Cyber Resilience and Continuous Monitoring reviews

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCIclearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $99,000.00 to $225,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Security Control Assessor, Lead

The Opportunity:

The Lead Security Control Assessor directs the SCA workstream and provides independent cybersecurity assessment leadership for CDAO systems and environments to the ISSM. The Lead SCA owns assessment strategy, quality standards, stakeholder coordination, risk adjudication, and final review of Security Assessment Plans (SAPs) and Security Assessment Reports (SARs). The position advises technical leadership and Authorizing Official (AO) stakeholders on control effectiveness, authorization readiness, and residual cybersecurity risk.In this role you will be responsible for developing and governing the assessment approach, schedule, evidence standards, test procedures, and quality-control framework for the SCA team.

What You'll Work On:

• Provide eMASS administration, analyze STIG, SCAP, ACAS findings, POA&Ms, architecture, inherited controls, compensating controls, and technical evidence.

• Work with the project ISSM to understand customer cybersecurity RMF requirements applicable to the systems in their respective environments.

• Lead independent security control assessments in accordance with DoD RMF, NIST guidance, applicable DoD cybersecurity policy, and organizational assessment procedures.

• Brief findings and risk recommendations to the ISSM, AO representative, and AO-level stakeholders.

• Develop all system applicable RMF Body of Evidence (BOE) documentation ensuring accuracy, relevance, and completion to meet requirements and input BOE documentation into AO approved databases such as eMASS or AO specific SharePoint site.

• Review and approve SAPs and SARs for technical accuracy, evidence sufficiency, traceability, consistency, and defensibility before stakeholder delivery.

• Coordinate with system owners, ISSMs and ISSOs, cybersecurity engineers, administrators, developers, program leadership, control providers, and AO representatives.

• Review system boundaries, data flows, external interfaces, interconnections, inherited controls, common-control dependencies, and significant changes.

• Oversee assessment execution for ATO, reauthorization, annual assessment, significant-change assessment, and continuous monitoring activities.

• Brief assessment status, systemic risks, unresolved findings, remediation priorities, and authorization recommendations to senior stakeholders.

• Mentor assessors, calibrate assessment judgments, and ensure independence and objectivity across the assessment lifecycle.

• Develop and maintain strong relationships with stakeholders across the organization

You Have:

• 8+ years of experience with cybersecurity including substantial DoD or federal RMF, security assessment, security engineering, or authorization

• Experience with eMASS, analyzing STIG, SCAP, ACAS findings, POA&Ms, architecture, inherited controls, compensating controls, and technical evidence

• Experience leading security control assessments and producing or approving SSPs, SAPs, SARs, POA&Ms, risk assessments, and authorization packages

• Experience with administration of Windows, Linux, AWS Cloud, and containerization systems and software configuration

• Experience with technical writing, facilitation, quality-assurance, team leadership, and stakeholder-management capabilities

• Knowledge of NIST SP 800-53, NIST SP 800-37, DoD RMF, STIGs, vulnerability management, and security-control assessment methodology

• Ability to evaluate complex enterprises, cloud, hybrid, containerized, data, and AI-enabled architectures and communicate risks at the AO and executive levels

• Ability to lead, organize, and complete various cybersecurity testing events including using applicable automated security scanning tools, system required manual STIGs and SRGs and compiling, reviewing, and analyzing results and providing to the ISSM for review and finalization

• TS/SCI clearance

• Bachelor's degree in a technical field such as Engineering or Cyber

Nice If You Have:

• Experience reviewing system connection requests for completion and ensure that requirements are met and make recommendations to the ISSM for approval

• Experience performing dynamic security assessments triggered by system changes, threat changes, vulnerabilities, incidents, or mission conditions

• Ability to communicate cybersecurity test result outcomes, risks, and suggest fixes to the project engineering team to fix or mitigate potential risks and document Plan of Action and Milestone (POA&M) development and tracking, driving remediation of vulnerabilities to a level acceptable to the Authorizing Official (AO)

• Ability to adjudicate complex findings, evaluate compensating controls and mitigations, validate risk determinations, and advise on residual mission risk

• Ability to lead quarterly Cyber Resilience and Continuous Monitoring reviews

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCIclearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $99,000.00 to $225,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.