2 days ago

Information Systems Security Officer (ISSO)

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Source: Company careers pageValidated by: Fursa AI

Last checked: 22 hours agoStatus: Live

Job Summary

Ensure secure operation of assigned information systems by aligning with organizational policies and federal cybersecurity standards. Support authorization and assessment activities across RMF Steps 1–6, maintain continuous monitoring programs, and help manage system risk. Produce and validate security documentation (e.g., SSPPs, SARs, POA&Ms) and coordinate with technical teams, auditors, and external partners to respond to incidents and keep security controls effective throughout the system lifecycle.

Location: United States

Workplace: Onsite

Employment Type: Full time

Job Function: Security & Public Safety

Key Responsibilities

•Ensure compliance with cybersecurity standards and manage system risk for assigned information systems.
•Support authorization and assessment activities across RMF Steps 1–6 to keep systems compliant and resilient.
•Develop, maintain, and report on security documentation and artifacts (including SSPPs, SARs, POA&Ms, ISCPs, IRPs, and CMPs).
•Conduct security monitoring (log reviews, vulnerability/compliance scan result review) and support incident response and after-action documentation.
•Coordinate with stakeholders and external parties (e.g., auditors and assessors), and provide security requirements guidance and training as needed.

Key Requirements

•Ensure assigned systems comply with cybersecurity standards and agency frameworks, regulations, and guidance including NIST, FISMA, and FedRAMP.
•Conduct risk assessments and support development of mitigation plans.
•Assist in creating and validating System Security and Privacy Plans (SSPPs) and other required security documentation.
•Support the Assessment and Authorization (A&A) process and validate security controls implementation against RMF requirements.
•Conduct system monitoring by reviewing logs and identifying abnormal behavior or potential compromise, and support incident response activities.

Skills:Stakeholder communicationIncident supportDocumentation managementRisk managementAdvisory support

Tech Stack:NISTFISMAFedRAMPRMFSystem Security and Privacy Plans (SSPP)System Security Authorization Report (SAR)Plan of Actions and Milestones (POA&Ms)Incident Response Plan (IRP)Configuration and Change ManagementSSPA&AContinuous monitoring

Company Brief

NTT

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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NTT