Information System Security Officer with Security Clearance

MANTECH seeks a motivated, career and customer-oriented Information System Security Officer to join our team in San Diego, CA. This is an onsite position. Responsibilities include but are not limited to:

• Maintain Assessment & Authorization (A&A) documentation in accordance with JSIG, NIST SP 800-37, and NIST SP 800-53, including SSPs, Contingency Plans, and Incident Response procedures
• Track compliance deficiencies using Plans of Action and Milestones (POA&M) through mitigation or risk acceptance, delivering quarterly status updates to the ISSM and SCA
• Implement and execute the Continuous Monitoring strategy to ensure ongoing compliance with authorization packages
• Oversee audit log collection systems and perform weekly reviews to maintain system integrity
• Manage hardware and software inventories, ensuring all deployed assets remain actively vendor-supported
• Maintain security tools, patch management processes, and vulnerability management programs in coordination with the Cybersecurity team
• Assess proposed system configuration changes as part of the Change Control Board (CCB) to evaluate security impacts
• Facilitate annual security awareness and role-based training, personnel account verification, and general ISSM support Minimum Qualifications:
• Bachelor's degree preferably in IT, Cyber Security, Computer Science, Information Systems Management, Engineering, or similar field of study with 2+ years of information systems security experience, or an Associates degree with 6 additional years of relevant experience, or High School Diploma with 11+ years' experience in lieu of degree
• Security+ Certification
• 2+ years' experience with Risk Management Framework (RMF), ICD 503, NIST SP800-53, JSIG, or DJSIG
• Knowledge and experience with current authorization practices, specifically within the DoD Preferred Qualifications:
• Masters degree preferably in IT, Cyber Security, Computer Science, Information Systems Management, Engineering, or similar field of study
• Experience with security efforts related to modern Windows, Cloud computing, Linux, UNIX, Cisco, SQL or Oracle databases, and virtual computing
• Experience implementing and using various Cyber Security tools including vulnerability assessment, patch management, audit collection, audit review, audit management, and end point protection Clearance Requirements:
• Must have an active Top Secret clearance with the ability to obtain an SCI Physical Requirements:
• The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.