Information Security Analyst - SME

Quantum Sky is searching for a Information Security Analyst - SME with Red Team experience to support a DoW customer at Quantico. This candidate will serve as a senior cybersecurity subject matter expert for complex RMF Step 6 assessments, advanced vulnerability analysis, security evaluation, and mission-impact risk assessment for assigned East Coast and tactical portfolios. Responsibilities: Lead complex security control assessments and provide expert interpretation of RMF, NIST, DoW, DoN, and USMC cybersecurity requirements. Perform advanced vulnerability analysis, security evaluation, secure code review, and authorized penetration testing; assess attack paths, exploitability, exposure, and mission consequences. Review assessment evidence and findings for technical sufficiency, reproducibility, and control mapping before release. Develop technically feasible mitigation strategies, POA&M recommendations, compensating-control options, and remediation validation approaches. Lead or support assessment planning, rules-of-engagement development, technical adjudication, exit briefs, and final report development. Support quarterly AO control-effectiveness reporting and translate technical conditions into decision-quality risk statements and recommendations. Provide technical leadership, mentoring, and reach-back support to Senior and Journeyman analysts across assigned portfolios. Contribute to ConMon SOP updates, lessons learned, evidence standards, and continuous-improvement activities. Required: DoD 8140 /cyberspace workforce qualification: IAT Level III or applicable CSSP/DCWF role. Certification: CISSP, CEH, or other Government-accepted certification meeting the required 8140 work role. 3+ years conducting DoW network assessments. 5+ years performing secure code reviews. 2+ years performing penetration testing. 3+ years performing security evaluations. 1+ year experience supporting DoW expeditionary network environments of similar size and complexity to the customer's Cyberspace Environment Ability to meet current DoW, DoN, and USMC privileged-access, background investigation, training, and least-privilege requirements. Deep RMF/NIST 800-53A experience; advanced penetration testing/vulnerability analysis; customer's tactical/expeditionary experience; strong AO-level communication. Required Training / Administrative Readiness: Complete and maintain required initial/annual NIPRNET account training, including Cyber Awareness, OPSEC, and Privacy/PII. Complete applicable SIPRNET training, including Derivative Classification and local SIPRNET user agreements; NATO Secret briefing if mission-required. Complete annual CUI training and local installation/security briefings. Maintain required CAC/DBIDS/site-access credentials and comply with DISS visit request requirements. Maintain valid passport/visa/driver documentation when required by the duty location or travel assignment. Performance Expectations: Produce complete, accurate, evidence-traceable assessment products in accordance with the SOW, approved QCP, Government formats, and established delivery timelines. Escalate critical/high or mission-impacting issues through Quantum Sky program leadership in accordance with the approved governance and escalation process. Protect classified information, CUI, Government property, credentials, and assessment data in accordance with contract and local security requirements. Operate within the non-personal-services construct; Government personnel provide requirements, priorities, surveillance, and acceptance, while Quantum Sky management directs contractor personnel. Clearance: Secret clearance required with the ability to upgrade to a Top Secret #J-18808-Ljbffr Quantum Sky