DHS Information Systems Security Officer (ISSO) Senior

onezerollc; Washington (District of Columbia); On-site; USD 180,000 - 230,000; Full time

Benefits offered by this job

Parking stipend/parking allowance

Job summary

OneZero Solutions, LLC is seeking a Senior DHS Information Systems Security Officer (ISSO) to lead security policy development, risk assessments, and RMF/ATO processes for DHS IT systems. You will collaborate with IT teams, monitor incidents, and drive security training across DHS programs.

Qualifications include 12+ years as an ISSO in government, strong knowledge of NIST RMF, and relevant certifications. TS/SCI clearance desired; parking assistance may be provided where applicable.

Qualifications

• 12+ years ISSO experience in DoD/Federal Government.
• IC or law enforcement experience is a plus.
• Strong knowledge of security principles, encryption, and incident response.
• Familiar with NIST CSF, FISMA, RMF, and DoD IA controls.
• OpenRMF experience is a strong plus.
• Excellent analytical and written/verbal communication.

Responsibilities

• Assist in development, implementation, and maintenance of security policies for DHS IT systems.
• Conduct security assessments and audits, identify vulnerabilities, and propose corrective actions.
• Monitor security events and incidents, investigate and mitigate risks.
• Manage security awareness and training programs for DHS personnel.
• Collaborate with IT teams to integrate security controls into development processes.
• Stay current with evolving threats and industry best practices.
• Document security policies, procedures, and activities.

Skills

ISSO experience

Security principles

Vulnerability assessment

Incident response

RMF

NIST standards

OpenRMF

Analytical skills

Communication

Teamwork

Education

Bachelor's degree

CRISC

GISP

CASP

CISSP

Tools

Vulnerability scanning tools

Penetration testing tools

Configuration review tools

Job description

We are an employee-centric company that truly appreciates our team members and their value to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and fostering teams that are and continue to be technically proficient and technically capable across a comprehensive range of cyber mission areas. OneZero full-time employees receive an extremely competitive benefits package that includes health/dental/vision/life insurance plans, 401K with company matching, PTO & paid holidays, employee referral program, and educational assistance. Additional details can be found on our website at: https://www.onezerollc.com/careers/

Position Title:

DHS Information Systems Security Officer (ISSO) Senior

Location:

NCR

Clearance:

TS/SCI

OneZero Solutions is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance, execution of the Risk Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO) security authorizations, and deliver cyber security compliance for DHS operational mission systems. We are looking for personnel to support our DHS customer in achieving its mission of providing division-wide cyber security support for operational mission systems and assisting programs as they navigate the ATO process. The result of these efforts will be that the systems meet all the requirements for ATO approval before they are officially submitted to the Office of Chief Information Officer (OCIO).

Qualified Parking Allowance: Employer may provide a monthly stipend or cover the cost of parking for employees who commute to government site by car.

Job Summary

• Assist in the development, implementation, and maintenance of security policies, procedures, and standards for DHS IT systems and networks.
• Conduct and participate in security assessments and audits, identifying vulnerabilities and recommending corrective actions.
• Monitor security events and incidents, investigating suspicious activity and taking appropriate action to mitigate risks.
• Manage security awareness and training programs for DHS personnel.
• Collaborate with IT teams and system owners to integrate security controls into system development and implementation processes.
• Stay current with evolving security threats, vulnerabilities, and industry best practices.
• Document security policies, procedures, and activities.

Qualifications

• 12+ years of direct experience serving as an Information Systems Security Officer (ISSO) within the DoD/Federal Government. Experience within the Intelligence Community and Law Enforcement is a strong plus.
• Demonstrated understanding of information security principles and best practices, including network security, system security, encryption, and incident response.
• Proficiency in various security assessment methodologies and tools, including vulnerability scanning, penetration testing, and configuration review.
• Experience with relevant security frameworks and standards, such as NIST Cybersecurity Framework, FISMA, RMF, and DoD IA controls.
• Experience with OpenRMF is a strong plus
• Excellent analytical and problem-solving skills.
• Strong written and verbal communication skills.
• Ability to work independently and as part of a team.

Education

Bachelor's degree and/or CRISC, GISP, CASP, CISSP, or other advanced security-related certifications

OneZero Solutions, LLC is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access www.onezerollc.com/careers as a result of your disability.

To request an accommodation, please contact us at [e-mail] or call [phone].