Senior ISSO: RMF, ATO & Xacta Lead

RPMGlobal; Annapolis (MD); On-site; USD 120,000 - 170,000; Full time

Job summary

Base-2 Solutions seeks an Information System Security Officer to oversee RMF compliance, maintain ATO, and coordinate with application leads, system administrators, database admins, developers, and testers to ensure secure, compliant systems.

The role requires an active TS/SCI with CI poly, strong policy development and incident response experience, and hands-on work updating SSPs and STIGs across multiple environments. Located in Annapolis, MD, on-site work is expected.

Qualifications

• Bachelor's degree in computer science, software engineering, or a related field.
• 9+ years of relevant experience with a Bachelor's degree.
• Experience developing and enforcing security policies, standards, and procedures to ensure regulatory compliance and protect organizational information assets.
• Proven track record in conducting risk assessments and identifying vulnerabilities in systems, networks, and applications.
• Experience in developing and overseeing implementation of mitigation strategies to reduce security risks.
• Strong background in monitoring systems and networks for security breaches and suspicious activity.
• Successful history of responding to security incidents, investigating root causes, and implementing corrective actions.

Responsibilities

• Work with application leads, system administrators, database administrators, developers, and testers to ensure systems are security compliant and achieve or maintain ATO.
• Follow the RMF process for full test, partial test, CONMON, and no test.
• Update Xacta documentation including SSPs, SCTM, STPs, and POAMs.
• Load artifacts such as STIG checklists and ACAS scans.
• Help implement STIG checklists and mitigate scan findings.
• Answer questions to ensure systems are developed with security compliance built in.
• Support security assessment events and respond to all questions from PAT team, ISSMs, and SCAs.

Skills

Risk assessment

Security monitoring

Incident response

Policy development

Security auditing

Cross-functional collaboration

Education

Bachelor's degree in computer science, software engineering, or related field

Bachelor's degree with 9+ years experience

High School + 13 years experience

Master's with 7 years experience

PhD with 5 years experience

Tools

Xacta

STIG checklists

ACAS

Job description

Base-2 Solutions seeks an Information System Security Officer to oversee RMF compliance, maintain ATO, and coordinate with application leads, system administrators, database admins, developers, and testers to ensure secure, compliant systems.

The role requires an active TS/SCI with CI poly, strong policy development and incident response experience, and hands-on work updating SSPs and STIGs across multiple environments. Located in Annapolis, MD, on-site work is expected.