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Sr Cybersecurity Engineer

Quantum Science Solutions

Posted today

Job Requirements

Arlington, VA
Top Secret/SCI Polygraph not specified
Senior Level Career (10+ yrs experience)
Salary not specified
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Job Description

Job Title: Senior Cybersecurity Engineer
Location: Arlington, VA (On-Site)
Clearance: Active TS/SCI Required
Company: Quantum Science Solutions (QSS)
Compensation: Open Rate

Position Overview
Quantum Science Solutions (QSS) is seeking a Senior Cybersecurity Engineer (Controls & Assessment Lead) to support a U.S. Government customer providing incident response services to civilian agencies and critical infrastructure organizations. This role focuses on leading security controls implementation, risk assessments, compliance activities, and security governance for technology integration initiatives.
The ideal candidate will have extensive experience with federal cybersecurity frameworks, risk management, security assessments, and Zero Trust architectures, ensuring innovative technologies can be securely integrated into operational environments.

Key Responsibilities
• Lead security controls assessments and implementation activities for technology integration initiatives
• Conduct risk assessments and security reviews of emerging technologies and pilot environments
• Ensure compliance with federal security requirements including NIST, FISMA, and FedRAMP
• Support RMF activities, authorization efforts, and security governance processes
• Define security boundaries, controls, and risk mitigation strategies for pilot and production environments
• Assess security readiness for operational deployment and scaling activities
• Develop security metrics, compliance documentation, and assessment reports
• Support continuous monitoring and security validation efforts
• Provide cybersecurity guidance to development, engineering, and operations teams

Mandatory Skills
• U.S. Citizenship
• Active TS/SCI Clearance
• Ability to obtain DHS Entry on Duty (EOD) Suitability
• 10+ years of cybersecurity engineering, security architecture, or related experience
• Expert knowledge of NIST 800-53, RMF, FISMA, and federal security frameworks
• Experience leading security assessments, authorization activities, and compliance reviews
• Strong understanding of risk management and security controls implementation
• Knowledge of Zero Trust architecture principles and implementation strategies
• Experience assessing the security of cloud, AI/ML, or emerging technologies
• Strong analytical, problem-solving, documentation, and communication skills

Preferred Skills
• Experience supporting CISA or other federal cybersecurity programs
• Experience with cloud security assessments and authorization processes
• Knowledge of critical infrastructure security requirements
• Experience with continuous monitoring and automated compliance tools
• Familiarity with DevSecOps and security automation practices
• Background in vulnerability assessments or penetration testing
• ITIL, PMP, or similar operations/project management certification

Education
• Bachelor's degree in Cybersecurity, Computer Science, or related field
• Master's degree preferred OR High School Diploma and 7+ years of directly relevant experience

Desired Certifications
• DoD 8140 IAT Level III
• Certified Authorization Professional (CAP)
• Certified in Risk and Information Systems Control (CRISC)

Why QSS?
At QSS, you'll help secure mission-critical technologies that support federal cyber defense and incident response operations. You'll work alongside cybersecurity leaders to ensure innovative solutions meet the highest security and compliance standards.

Benefits Include:
• Competitive compensation with annual performance bonuses
• Premium Medical, Dental, & Vision coverage
• Generous PTO plus Federal Holidays
• 401(k) with company match
• Professional development and certification support
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About Us
Quantum Science Solutions is traditional in the sense that it was built with core foundations based on honesty and integrity. We take great pride in all of our efforts and projects, we are proud to serve the front lines of cyber defense. We challenge our team members frequently and thrive on the motto “One for all, all for one”. Here at QSS, we invite individuals who think outside of the box and are mentally stimulated by complex problems in the fast paced world of cyber and technology. Our collaborative work environment allows you to think freely and develop iron clad solutions for our customers. At QSS, your ideas and designs are not only heard but are recognized and rewarded. We support you and will provide you with the resources needed to fuel innovations and creativity. Imagine, you are working on cyber integration concept and it turns into fully funded project by a federal agency. Join the QSS team where rather than making a difference, we are the difference

Quantum Science Solutions Jobs


Job Category
IT - Security
Clearance Level
Top Secret/SCI