Overview

DecisionPoint seeks a Senior Information System Security Officer (ISSO) to support cybersecurity governance, RMF documentation, and compliance activities for enterprise systems supporting a federal and DoD-aligned mission environment. This senior-level role ensures all cybersecurity documentation, controls validation, compliance artifacts, and audit deliverables meet federal, DoD, and program-specific requirements.

The Senior ISSO is a key member of the Governance, Risk, and Compliance (GRC) team and collaborates closely with security engineers, cloud teams, ISSMs, PMO staff, and mission stakeholders to sustain Authorization to Operate (ATO), maintain continuous monitoring, and ensure readiness for audits and assessments.

This position is fully remote.

Duties & Responsibilities

The Senior Information System Security Officer (ISSO) will:

• Manage RMF documentation including SSPs, POA&Ms, RARs, SARs, and control implementation records.

• Review and validate security controls across systems, cloud platforms, integrations, and mission applications.

• Develop and maintain compliance artifacts, evidence packages, remediation documentation, and audit responses.

• Perform continuous monitoring activities including log review, vulnerability tracking, and configuration oversight.

• Coordinate with security engineers and cloud teams to validate technical remediation actions and cybersecurity enhancements.

• Support ATO sustainment activities including internal assessments, external audits, and assessment preparation.

• Maintain detailed security documentation and ensure accuracy, traceability, and compliance alignment.

• Analyze security findings, risk reports, and vulnerability data to support corrective action plans.

• Provide detailed reporting on cybersecurity posture, compliance readiness, and outstanding risks.

• Collaborate with system owners, cloud engineers, and PMO staff to ensure security controls are implemented correctly.

• Support incident response activities by gathering evidence, documenting impacts, and tracking corrective actions.

• Conduct cybersecurity briefings, training sessions, and compliance updates for mission stakeholders.

• Assist in developing cybersecurity policies, procedures, and governance frameworks to improve security posture.

Qualifications

Clearance Requirement

Must hold an active Top Secret clearance, supported by a Tier 5 background investigation.

Education (Required)

Bachelors degree in Cybersecurity, Information Technology, Information Assurance, or a related field.

Experience (Required)

• Minimum 10 years of experience in cybersecurity, information assurance, or compliance roles.

• Experience managing RMF documentation, ATO packages, and compliance evidence for federal or DoD systems.

• Experience assessing and validating cybersecurity controls, technical implementations, and remediation actions.

• Experience preparing and supporting audits, inspections, and compliance reviews.

• Experience collaborating with engineering and operations teams to close POA&M items or security findings.

Technical Knowledge (Required)

• Strong understanding of RMF, NIST SP 800-53, DoD cybersecurity requirements, and ATO processes.

• Knowledge of STIGs, vulnerability management, patching, and configuration baselines.

• Familiarity with continuous monitoring activities including scanning, log review, and incident tracking.

• Proficiency in documenting, assessing, and validating security controls and compliance artifacts.

Technical Knowledge (Preferred)

• Knowledge of cloud authorization requirements and cloud-specific RMF packages.

• Experience using eMASS or similar compliance management tools.

• Familiarity with Zero Trust principles and modern cybersecurity architectures.

Certifications

Required:

• Security+

Preferred:

• CAP

• CASP+

• CISSP

• Other governance, risk, and compliance 6focused certifications

Skills

• Excellent written and verbal communication skills for producing high-quality security documentation.

• Strong analytical skills for assessing control implementations and evaluating cybersecurity risks.

• High attention to detail and precision in compliance artifacts, audit packages, and RMF deliverables.

• Ability to coordinate cross-functional cybersecurity activities and track remediation progress.

• Strong organizational skills with the ability to manage multiple RMF and compliance initiatives simultaneously.