Senior ISSO – RMF/ATO Leader (TS/SCI) On-Site DC

Base-2 Solutions; Washington (District of Columbia); On-site; USD 120,000 - 170,000; Full time

Job summary

Base-2 Solutions is seeking an Information System Security Officer to ensure security compliance across applications, systems, and databases, working with leads, admins, developers, and testers to achieve Authority to Operate (ATO). The role will implement RMF processes, maintain SSPs, SCTMs, STPs, and POAMs, and load STIG and ACAS artifacts.

The candidate will respond to PAT team, ISSMs, and SCAs, plus oversee security assessments and mitigation strategies, while ensuring compliance in a

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.
• 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.

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

RMF process

Vulnerability management

Risk assessment

Security policy enforcement

Incident response

Stakeholder communication

Education

Bachelor's degree in CS/SE or related

High School + 13 years

Associates + 11 years

Bachelor's + 9 years

Master's + 7 years

PhD + 5 years

Tools

Xacta

STIG

ACAS

SSP

POAMs

Job description

Base-2 Solutions is seeking an Information System Security Officer to ensure security compliance across applications, systems, and databases, working with leads, admins, developers, and testers to achieve Authority to Operate (ATO). The role will implement RMF processes, maintain SSPs, SCTMs, STPs, and POAMs, and load STIG and ACAS artifacts.

The candidate will respond to PAT team, ISSMs, and SCAs, plus oversee security assessments and mitigation strategies, while ensuring compliance in a