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What are the most popular job types at Onezero Solutions?

    What are the most popular jobs at Onezero Solutions?

    What are the most popular categories at Onezero Solutions?

    Infographic showing various Networking job openings at Onezero Solutions in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 66% Physical, 5% Hybrid, and 29% Remote job distribution.

    DHS Information System Security Officer II

    OneZero Solutions

    Washington, DC • On-site

    $100 - $130/hr

    Other

    Medical, Dental, Vision, Life, Retirement, PTO

    Re-posted 19 days ago

    Job description

    OneZero full-time employees receive an extremely competitive benefits package that includes health, dental, vision, life insurance plans, 401K with company matching, PTO and paid holidays, an employee referral program, and educational assistance. Additional details can be found on our website at: https://www.onezerollc.com/careers

    Position Title

    DHS Information System Security Officer II

    Location

    NCR

    Clearance

    TS/SCI

    Job Summary

    OneZero Solutions is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance and execute the Risk Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO) accreditations for DHS operational mission systems.

    Manage and mentor ISSO II (Journeyman) staff, providing career development opportunities.

    • Develop, implement, and maintain comprehensive security policies, procedures, and standards for DHS IT systems and networks.
    • Oversee the execution of security assessments, audits, and vulnerability management programs, identifying and mitigating risks.
    • Lead the investigation and response to security incidents, ensuring timely and effective containment and remediation.
    • Develop and manage security awareness and training programs for DHS personnel, fostering a culture of cybersecurity.
    • Partner with IT teams and system owners to integrate security controls into system development and implementation processes.
    • Stay at the forefront of evolving security threats, vulnerabilities, and industry best practices, ensuring the DHS maintains a proactive security posture.
    Qualified Parking Allowance

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

    Qualifications
    • 7+ 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.
    • Proven track record of success in leading and managing cyber security programs, demonstrating innovation, initiative, and problem‑solving skills.
    • In-depth understanding of information security principles and best practices, including network security, system security, encryption, incident response, and risk management.
    • Extensive experience with relevant security assessment methodologies and tools, including vulnerability scanning, penetration testing, and configuration review.
    • Thorough knowledge of security frameworks and standards, such as DoD STIG, NIST Cybersecurity Framework, FISMA, RMF, and DHS Supplemental IA controls and security policies.
    • Experience with OpenRMF is a strong plus.
    • Exceptional leadership and communication skills, with the ability to effectively communicate complex technical concepts to both technical and non-technical audiences.
    • Strong analytical and problem‑solving skills.
    • Ability to work independently and as part of a team in a fast-paced environment.
    Education

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

    Additional relevant experience may be considered in lieu of a degree.

    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 recruiting@onezerollc.com or call (202) 987-2580.

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