Aptnexus

Aptnexus

Senior Information Systems Security Officer

Rosslyn, VA · Senior · Contract

No sponsorship$120k-$150kDetected 2 days ago
AWSAzureCybersecuritySIEMLeadershipCISSPCompTIA

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33Unrated
Cap-exempt (no lottery)0
Sponsors this role0
Entry-level history0
PERM / green-card track0
Lottery odds (Level III)83
Fits your clock70

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About the role

  • Ensure applicable cybersecurity policies and controls are implemented for the agency's existing and new systems, maintaining an operational security posture consistent with current policy.
  • Serve as the principal advisor to the Authorizing Official (AO), System Owner (SO), and/or CISO on all matters (technical and otherwise) involving assigned system security.
  • Monitor open POA&Ms to ensure timely resolution.

Responsibilities

  • AptNexus is seeking an experienced Information Systems Security Officer (ISSO) to support our civilian agency customer.
  • Develop, update, and maintain Plan of Action & Milestones (POA&M) reports on a monthly basis and as directed, providing trending analysis and remediation recommendations.
  • Support the implementation and ongoing authorization of agency systems using NIST SP 800-137 Rev-2 (ISCM) guidance, supporting the Bureau's transition from time-based ATOs to Ongoing Authorization.
  • Maintain and support 100% of the agency's system ATOs in an active and compliant status at all times.
  • Support the agency in responding to audits, oversight reviews, and investigations from internal or external oversight organizations.
  • Support change management activities including risk analysis of existing and new systems and identifying security requirements for new systems (security by design).
  • In this role, you will provide assigned ISSO support for agency systems throughout their lifecycle, performing daily, weekly, and continuous systems monitoring duties in alignment with the NIST Risk Management Framework (RMF), Departmental/Treasury policy, and Agency-specific cybersecurity requirements.
  • Lead and coordinate the gathering of audit artifacts in response to Provided by Client (PBC) requests from the Office of Inspector General (OIG), GAO, and other internal and external oversight bodies; establish and maintain a PBC tracking matrix with artifact owners, due dates, and submission status to ensure complete and on-time responses.
  • Analyze audit findings, Notices of Findings and Recommendations (NFRs), and corrective action requests; assess root cause, scope, and systemic risk; and develop technically accurate, fully documented Plan of Action and Milestones (POA&M) entries and Corrective Action Plans (CAPs) with realistic milestone schedules and responsible party assignments.
  • Support pre-audit readiness reviews by assessing the completeness and accuracy of system security documentation, POA&M status, access control records, training completion records, and configuration baselines prior to scheduled audit engagements; identify and remediate documentation gaps before audit commencement.

Requirements

  • 5 to 10+ years of experience as an Information Systems Security Officer or Manager in a federal or federal contractor environment.
  • Experience with Governance, Risk, and Compliance (GRC) platforms, e.g., Xacta 360, CSAM, ServiceNow GRC, eMASS, etc.
  • Experience interpreting security and privacy findings from assessments, audits, vulnerability scans, and continuous monitoring tools.
  • Ability to obtain and maintain the required security clearance and pass suitability screening.
  • Support the development, maintenance, and reporting of Authority to Test (ATT) and Security Impact Analysis (SIA) documentation on a monthly basis or as required.
  • Utilize the Agency's Governance, Risk and Compliance (GRC) solution for development and maintenance of all required SA&A documentation.
  • Bachelor's degree in Computer Science, Information Technology, or a related discipline from an accredited institution.
  • Clearance: Active Secret Required Position Overview: AptNexus is seeking an experienced Information Systems Security Officer (ISSO) to support our civilian agency customer.

Compensation

  • $120,000 to $150,000 per year based on experience.

Benefits

  • Education & Certifications: Bachelor's degree in Computer Science, Information Technology, or a related discipline from an accredited institution.

Visa & Work Authorization

  • Ability to obtain and maintain the required security clearance and pass suitability screening
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