ISSO

Dynamic Talent Solutions, LLC; McLean (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Westway Services Group is seeking a highly qualified Information Systems Security Officer (ISSO) to support classified information systems in Aurora, Colorado. The ISSO will implement, maintain, and enforce cybersecurity policies in line with government directives and RMF processes.

Responsibilities include maintaining accreditation packages, conducting audits and vulnerability scans, and coordinating with ISSM, system admins, and program management to ensure continuous compliance and incident

Qualifications

• Active TS/SCI clearance with CI Polygraph.
• DoD 8570 IAT Level II certification (Security+ or higher).
• 3+ years of experience in cybersecurity, ISSO/ISSM support, or related field.
• Knowledge of NIST SP 800-53, RMF, ICD 503, and other applicable federal security frameworks.

Responsibilities

• Serve as the ISSO for classified information systems within a SCIF, ensuring compliance with NIST 800-53 and ICD 503 security standards.
• Implement, manage, and maintain security controls as outlined in the SSP and related documentation.
• Conduct system audits, vulnerability scans, and continuous monitoring activities.
• Develop, maintain, and update accreditation packages (RMF, A&A documentation).
• Ensure all users meet access authorization, need-to-know, and security training requirements.
• Monitor, investigate, and report security incidents and support incident response activities.
• Maintain system configuration management in compliance with security baselines.
• Support security inspections, assessments, and audits by government and customer security personnel.
• Provide cybersecurity awareness training and enforce user security responsibilities.
• Work closely with ISSM, System Administrators, and Program Management to ensure policy compliance.

Skills

TS/SCI clearance with CI Poly

DoD 8570 IAT Level II (Security+)

3+ years cybersecurity/ISSO

NIST SP 800-53/RMF/ICD 503 knowledge

Vulnerability scanning tools

HBSS and security tools

SIEM tools experience

Documentation and auditing

Team collaboration

Independent work

Tools

HBSS

SIEM

Job description

Our client Westway Services Groupis seeking a highly motivated Information Systems Security Officer (ISSO) to support classified information systems in Aurora Colorado. The ISSO will be responsible for

implementing, maintaining, and enforcing cybersecurity policies and procedures in accordance with

government directives, ensuring compliance with applicable security standards, and supporting day-to-

day cybersecurity operations. This position requires a proactive individual with strong technical and

security background, attention to detail, and the ability to work independently in a highly regulated

Responsibilities:

Serve as the ISSO for classified information systems within a SCIF, ensuring compliance with NIST 800-53, and ICD 503 security standards

Implement, manage, and maintain security controls as outlined in the System Security Plan (SSP)

and related documentation

Conduct system audits, vulnerability scans, and continuous monitoring activities

Develop, maintain, and update accreditation packages (RMF, A&A documentation)

Ensure all users meet access authorization, need-to-know, and security training requirements

before granting access to systems

Monitor, investigate, and report security incidents and support incident response activities

Maintain system configuration management in compliance with security baselines

Support security inspections, assessments, and audits by government and customer security

personnel

Provide cybersecurity awareness training and enforce user security responsibilities

Work closely with the Information System Security Manager (ISSM), System Administrators, and

Program Management to ensure compliance with applicable policies and directives

Required Skills:

Active TS/SCI clearance with a current CI Polygraph

DoD 8570 IAT Level II certification (Security+ or higher)

3+ years of experience in cybersecurity, ISSO/ISSM support, or related field

Knowledge of NIST SP 800-53, RMF, ICD 503, and other applicable federal security frameworks

Experience with vulnerability scanning tools, HBSS, and other security tools

Strong organizational and documentation skills

Ability to work in a team-oriented and mission-focused environment

Experience with Security Information and Event Management (SIEM) tools to monitor, analyze,

and report on system and network events in support of compliance, auditing, and incident

response requirements

Minimum Qualifications:

Active TS/SCI security clearance w/Polygraph is required

Minimum of 3 years of experience supporting classified systems within a SCIF environment

Possession of Security+ certification

Preferred Qualifications:

CISSP, CISM, or other advanced cybersecurity certifications