[Remote] CMMC Lead Auditor - 3PAO

Note: The job is a remote job and is open to candidates in USA. X4 Engineering is seeking an experienced CMMC Third-Party Assessor (3PAO Auditor) to conduct independent cybersecurity maturity assessments for U.S. Department of Defense contractors and subcontractors. The role involves performing evaluations in alignment with CMMC Level 2 and Level 3 requirements, ensuring compliance with NIST SP 800-171 and related frameworks. Responsibilities • Conduct CMMC Level 2 and Level 3 assessments in accordance with Cyber AB and DoD standards • Evaluate organizations’ cybersecurity programs for compliance with NIST SP 800-171 and CMMC practices and processes • Review and validate documentation, evidence, and technical controls • Prepare detailed, accurate assessment reports and findings • Collaborate with clients to clarify assessment scope, timelines, and expectations while maintaining strict independence and objectivity • Participate in peer reviews, quality checks, and continuous improvement of audit methodologies • Stay current on evolving CMMC, NIST, DFARS, and related federal cybersecurity compliance updates Skills • Must be employed by or affiliated with an authorized Certified Third-Party Assessor Organization (C3PAO) • Active CMMC Certified Assessor (CCA) or Certified Professional (CCP) credential, or in-progress certification with the Cyber AB • Deep understanding of NIST SP 800-171, DFARS 252.204-7012, and CMMC model documentation • Demonstrated experience performing federal cybersecurity audits or assessments (e.g., CMMC, FedRAMP, ISO 27001, or similar) • U.S. Citizenship required (due to government contracting requirements) • Ability to obtain or maintain a DoD security clearance preferred • Excellent analytical, communication, and technical writing skills • Prior experience as a lead auditor within a C3PAO or related federal compliance program • Background in information security management, risk assessment, or DoD contractor compliance • Current certifications such as CISSP, CISA, CISM, or ISO 27001 Lead Auditor Benefits • Competitive salary • Benefits package • Professional development support • Flexible engagements available (project-based or hourly rate) Company Overview • X4 Engineering partner with businesses across the entire engineering spectrum, from early-stage R&D to commercial enterprises to provide world-class talent solutions. It was founded in 2008, and is headquartered in , with a workforce of 11-50 employees. Its website is Apply tot his job