Security Control Assessor

m9solutions

Alexandria, VA - Secret clearance required · Alexandria

Posted Aug 19, 2026

Full-time
On-site
M9 Team Member

Job description

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include IT Talent Solutions, Data Delivery & Analytics, Cyber Security, Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting.

M9 Solutions is seeking a Security Control Assessor to work on-site in support of a government contract for a client located in Alexandria, VA. An active Secret clearance is required.

Responsibilities

Provide the client with tailored documentation to support their security authorization.
Independent assessor for Risk Management Framework Steps 0 to 7.
Plan and execute security control assessments for various information systems within the organization.
Develop and maintain assessment procedures and methodologies aligned with NIST guidelines and other relevant frameworks.
Analyze and evaluate the effectiveness of implemented security controls.
Identify vulnerabilities, weaknesses, and potential risks in information systems and infrastructure.
Prepare detailed Security Assessment Reports (SARs) documenting findings and recommendations.
Collaborate with system owners, ISSOs, and other stakeholders throughout the assessment process.
Verify the implementation of remediation actions and conduct follow-up assessments as needed.
Provide expert advice on the development and maintenance of System Security Plans (SSPs) and Plans of Action and Milestones (POA&Ms).
Stay current with evolving cybersecurity threats, technologies, and best practices.
Validate security control implementation and provide test results.
Examine security control weaknesses and determine if they are producing the desired intent.

Required Skills and Qualifications

Secret security clearance.
Bachelor’s degree or equivalent years of relevant experience.
5+ years of relevant experience.
CCNA Security, CySA+, GICSP, GSEC, Security + CE, CND, or SSCP certification.
Intimate understanding of NIST RMF implementation guidance.
Hands-on experience with using eMASS or similar Information Assurance tools.
Experience in analyzing vulnerability scans and STIG implementations.
Hands-on experience in assessing RMF Step 4 and performing continuous monitoring.
Deep understanding of Vulnerability Management practices.

GH 1013

Full-Time Employee Compensation

M9 Solutions’ pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include, but are not limited to, responsibilities of the position, education, experience, knowledge, skills, abilities, as well as internal equity, location, alignment with market data, applicable bargaining agreement (if any), or other law.
M9 Benefits - https://m9solutions.com/why-join-m9/#our-benefits

Salary Range

$137,000—$152,000 USD

M9 Solutions, LLC (M9) is a Federal sub-contractor and we comply with all applicable federal laws prohibiting discrimination in employment, including Title VII of the Civil Rights Act of 1964. We also adhere to the affirmative action requirements of the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA) and Section 503 of the Rehabilitation Act, ensuring equal opportunity for veterans and individuals with disabilities. Please click here to complete M9's Voluntary Self-Identification Form and then email it to hr@m9solutions.com. If you need accommodation during the application process or encounter difficulties using our website, please contact our Human Resources Department at hr@m9solutions.com or 703-936-0880

M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents.

With 15+ years of proven delivery and growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and value diverse perspectives in driving the vision of the company.