Information System Security Officer (ISSO)

Iomaxis Llc; Lorton (VA); On-site; USD 80,000 - 110,000; Full time

Job summary

An established industry player is seeking a dedicated Information System Security Officer to enhance mission-critical operations in Lorton, VA. This full-time position requires expertise in NIST 800-53 and the Risk Management Framework, along with a strong background in cybersecurity. You will play a pivotal role in supporting assessments, implementing security controls, and ensuring compliance with security requirements. Join a company committed to innovation and excellence, where your contributions will significantly impact critical missions and foster a diverse workplace that values inclusion.

Qualifications

• 8-10 years of experience in cybersecurity with a focus on NIST 800-53.
• 3-5 years of experience as an Information System Security Officer (ISSO).

Responsibilities

• Support CMFF program for IATT and ATO assessments.
• Implement NIST 800-53 security controls and maintain documentation.

Skills

NIST 800-53

Risk Management Framework

Cybersecurity

Security Controls Implementation

Education

Bachelor's Degree in Information Security or related field

Job description

Information System Security Officer (ISSO)

• Full-time
• Job - Category (Career Site): IT & Information Security

Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications, and security, leveraging decades of operational experience to deliver exceptional value to communities and the critical missions they support. Join us where we innovate, develop smarter solutions, technologies, services, and actionable capabilities for our clients—right when they need it most.

MAXISIQ is seeking an Information System Security Officer (ISSO) to support mission-critical operations in Lorton, VA, with travel to Huntsville, AL, and Aberdeen, MD. This is a full-time role, available upon award in early August 2025.

What You'll Be Doing

• Providing support to the CMFF program to achieve IATT and prepare for ATO assessment.
• Assisting in the authoring of RMF body of evidence plans and documents required for IATT and ATO.
• Advising on how to implement NIST 800-53 security controls.
• Assisting in preparation of IATT submission package.
• Assisting in the completion of key artifacts for assessment, including the System Security Plan, Security Controls Traceability Matrix, and POA&M.
• Participating in IATT and ATO assessment.
• Being responsible for reviewing and updating Risk Management Framework documentation.
• Creating and maintaining POA&Ms.
• Assessing system compliance against security requirements.
• Working with engineers to implement security controls.

Education

Clearance

• Secret

Experience

• Subject Matter expertise in NIST 800-53 and Risk Management Framework.
• 8-10 years in cybersecurity.
• 3-5 years as ISSO.

MAXISIQ is a technology engineering company recognized for innovative solutions and unparalleled engineering expertise across a wide variety of technologies. #CJ

At MAXISIQ, inclusion drives innovation. We are committed to creating a diverse and equitable workplace where all qualified applicants, including veterans and individuals with disabilities, receive consideration for employment.