Senior Information System Security Officer with Security Clearance

Base-2 Solutions

Washington (District of Columbia)

On-site

USD 140,000 - 200,000

Full time

14 hours ago

Be an early applicant

Get more replies from employers

Send a job-specific resume in minutes.

Benefits offered by this job

Company-paid health premiums

Dental premiums paid (employee)

Vision premiums paid (employee)

401(k) with 8% total contributions

PTO up to 20 days

11 paid floating holidays

Flexible work schedules

Job summary

Base-2 Solutions seeks a Senior Information System Security Officer to ensure systems are security compliant and achieve ATO. You will follow RMF for testing and monitoring, update SSPs, SCTM, STPs, and POAMs, and load STIG/ACAS artifacts.

Collaborate with ISSEs, ISSMs, and SCAs to mitigate findings and support security assessments. The role requires deep expertise in RMF, security policy enforcement, and incident response, with a focus on risk mitigation and regulatory compliance across complex

Qualifications

Bachelor's degree in CS/SE or related field.
19+ years of relevant experience with Bachelor's degree.
Experience developing, implementing, and enforcing security policies and procedures.
Proven risk assessment experience and vulnerability identification.
Experience in mitigation strategy development.
Strong monitoring for security breaches and incidents.

Responsibilities

Ensure systems are security compliant and maintain ATO.
Follow RMF for full/partial/CONMON/no test scenarios.
Update Xacta docs: SSPs, SCTM, STPs, POAMs.
Load STIG/ACAS artifacts and mitigate findings.
Support security assessment events and respond to ST&E questions.
Coordinate with ISSMs and SCAs to enforce security controls.

Skills

Security policies

Risk assessments

RMF process

STIG/ACAS guidance

Xacta documentation

Incident response

Regulatory compliance

Monitoring for security breaches

Education

Bachelor's degree in computer science or software engineering

19+ years of relevant experience with Bachelor's degree

Experience in equivalency in lieu of degree

Tools

XACTA

STIG checklists

ACAS scans

Job description

Job Description Position Summary Base-2 Solutions is seeking a Senior 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 including System Security Plans (SSPs), Security Control Trace Matrices (SCTM), Security Test Plans (STPs), and Plans of Action and Milestones (POAMs). The specialist will load artifacts such as Security Technical Implementation Guide (STIG) checklists and ACAS scans, help implement STIG checklists, mitigate scan findings, support security assessment events, and respond to questions from the Security Test and Evaluation (ST&E) 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, continuous monitoring (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 the PAT team, ISSMs, and SCAs. Required Qualifications

Required Qualifications

Bachelor's degree in computer science, software engineering, or a field applicable to the position required.
19 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 23 years of experience.
Associate's with 21 years of experience.
Bachelor's with 19 years of experience.
Master's with 17 years of experience.
PhD with 15 years of experience.

Required Certifications

None specified.

Required Security Clearance

Active Top Secret/SCI with CI Polygraph Pay & Benefit Highlights Compensation
Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity).
Employee referral bonuses up to $10,000 per hired referral.
Additional bonus opportunities for exceptional performance and contributions to business development and company growth (role-dependent).

Health

100% company-paid medical premiums for employees and eligible dependents.
Choose from multiple plan options with CareFirst, Kaiser, and UnitedHealthcare, including PPO, POS, HMO, and HSA-compatible plans.
100% company-paid dental premiums for employees and eligible dependents.
100% company-paid vision premiums for employees and eligible dependents.

Income Protection