Information System Security Officer

RPMGlobal; Reston (VA); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Base-2 Solutions seeks an Information System Security Officer to guide system security across apps, databases, and infra to achieve and maintain Authority to Operate (ATO).

You will manage RMF-based activities, update SSPs and SCTMs, load STIG/ACAS artifacts, and coordinate with PAT, ISSMs, and SCAs to strengthen security posture.

Qualifications

• Bachelor's degree in CS, software engineering, or related field required.
• 9+ years of relevant experience with Bachelor's degree.
• Experience developing and enforcing security policies, standards, procedures.
• Proven risk assessments and vulnerability identification.
• Experience in mitigation strategy development and execution.
• Strong monitoring for security breaches and anomalies.
• Experience in incident response and corrective actions.

Responsibilities

• Collaborate with application leads, admins, developers, and testers to ensure security compliance and ATO.
• Follow RMF for full/ partial/ CONMON/ no test scenarios.
• Update Xacta documentation (SSP, SCTM, STP, POAM).
• Load artifacts: STIG checklists, ACAS scans.
• Help implement STIGs and mitigate findings.
• Answer questions to ensure secure development practices.
• Support security assessment events and respond to PAT, ISSM, and SCA inquiries.

Skills

RMF process

Xacta documentation

Security controls & STIGs

Vulnerability assessment

Incident response

Security policy development

Regulatory compliance

Security monitoring

Collaboration with ISSMs/SCA

Education

Bachelor's degree in computer science or related field

High School + 13 years experience

Associates + 11 years experience

Master's + 7 years experience

PhD + 5 years experience

Tools

Xacta

ACAS

STIG checklists

POAMs

Job description

Position Summary

Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate (ATO). The role includes following the Risk Management Framework (RMF) process for full test, partial test, continuous monitoring (CONMON), and no test scenarios, updating Xacta documentation such as System Security Plans (SSPs), Security Control Trace Matrices (SCTM), Security Test Plans (STPs), and Plans of Action and Milestones (POAMs), loading artifacts including STIG checklists and ACAS scans, implementing STIG checklists and mitigating scan findings, supporting security assessment events, and responding to inquiries from the Security Test and Evaluation (PAT) team, Information System Security Managers (ISSMs), and Security Control Assessors (SCAs).

Essential Duties and 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.

Required Qualifications

• Bachelor's degree in computer science, software engineering, or a field applicable to the position required.
• 9 or more years of relevant experience required with a Bachelor's degree.
• Additional experience may be considered in lieu of degree.
• Demonstrated experience in developing, implementing, 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.

Preferred Qualifications

• Comprehensive knowledge of relevant laws, regulations, and industry standards.
• Experience conducting audits and assessments to verify adherence to security requirements.

Required Education and Experience Equivalency

• High School with 13 years of experience.
• Associates with 11 years of experience.
• Bachelor's with 9 years of experience.
• Master's with 7 years of experience.
• PhD with 5 years of experience.

Required Certifications

• None specified.

Required Security Clearance

• Active Top Secret/SCI with CI Polygraph