Information System Security Officer (ISSO) ***Top Secret Clearance***

Job description

Job Title: Information System Security Officer (ISSO)

Location: 100% Onsite: Boulder, CO

Salary: $130K-$150K Based on Years of Experience

Clearance Required: Active Top-Secret

Application Deadline: October 31, 2025



To apply, please follow these steps:

• Visit (url removed)


• Select the position you are interested in


• Review the job details, then click Apply Now


• Complete and submit your application

Job Description

This role is for a highly experienced Information System Security Officer (ISSO) focused on ensuring the security, compliance, and authorization of critical federal agency information systems.

You will be the technical and compliance authority responsible for implementing and managing the Risk Management Framework (RMF), maintaining system security documentation, and overseeing continuous monitoring activities across cloud and hybrid environments.

The ideal candidate will have 7 or more years of hands-on federal experience, a deep technical mastery of key security frameworks, and a proven ability to manage complex authorization processes.

Key Responsibilities:

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  Lead cybersecurity strategy development, integrating enterprise risk management with operational resilience and compliance for high-impact federal systems.

  
  


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  Direct all aspects of information assurance, including vulnerability management, POA&M resolution, and incident response for mission-critical environments.

  
  


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  Manage large-scale security compliance efforts including system authorizations (ATO), continuous monitoring

  
  


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  Categorize information systems and tailor security controls.

  
  


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  Develop and maintain security documentation (SSPs, CPs, CM, IR Plans, etc.)

  
  


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  Perform risk assessments.

  
  


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  Drive adoption and transition to NIST SP 800-53 Rev 5 across enterprise environments, ensuring timely updates and organizational alignment.

  
  


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  Work in multidisciplinary cybersecurity teams (SOC analysts, engineers) in daily operations, goal setting, mentoring, and performance optimization.

  
  


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  Oversee control inheritance, RMF lifecycle, and TIC 3.0 compliance across shared platforms and Landing Zones.

  
  


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  Other duties and responsibilities as assigned by your client task manager and IBSS manager.

  
  

Required Skills/Education/Certifications:

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  7+ years of experience in the Federal or defense sector.

  
  


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  Certification: CompTia Security+, or CISSP, or CISM, or CGRC, or other relevant certification

  
  


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  Deep understanding and practical experience with:

  
  
  
  
  
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    FISMA (Federal Information Security Modernization Act).

    
    
  
  
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    NIST SP 800-53

    
    
  
  
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    FedRAMP (Federal Risk and Authorization Management Program).

    
    
  
  
  
  


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  Proven ability to lead multidisciplinary security teams.

  
  


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  Expertise in cybersecurity strategy development and enterprise risk management.

  
  


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  Experience directing all aspects of information assurance (vulnerability management, POA&M resolution, incident response).

  
  


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  Experience managing large-scale security compliance efforts including:

  
  
  
  
  
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    System authorizations (ATO).

    
    
  
  
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    Continuous monitoring.

    
    
  
  
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    Security documentation (SSPs, CPs, CM, IR Plans, etc.).

    
    
  
  
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    Risk assessments.

    
    
  
  
  
  


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  Familiarity with collaborating on secure architectures and cloud migrations with cloud service providers (AWS, Azure).

  
  


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  Knowledge of Risk Management Framework (RMF) lifecycle and control inheritance.

  
  

Desired Skills/Education/Certifications:

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  Bachelors degree in IT or related field

  
  


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  Experience serving as a primary executive liaison with an agency like NOAA..

  
  


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  Experience with TIC 3.0 (Trusted Internet Connection 3.0) compliance.

  
  


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  Experience with implementing boundary protection for multi-classification systems.

  
  


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  Experience with shared platforms and Landing Zones.

  
  


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  Skills in mentoring and performance optimization for cybersecurity teams.

  
  

About IBSS Corp.

Since 1992, IBSS, a woman-owned small business, has provided transformational consulting services to the Federal defense, civilian, and commercial sectors.

Our services include cybersecurity and enterprise information technology, environmental science and engineering (including oceans, coasts, climate, and weather), and professional management services.

Our approach is to serve our employees by investing in their growth and development.

As a result, our employees bring greater capabilities and provide exceptional service to our clients.

In addition to creating career development opportunities for our employees, IBSS is passionate about giving back to the community and serving the environment.

We strive to leave something better behind for the next generation.

We measure our success by the positive impact we have on our employees, clients, partners, and the communities we serve.

Our tagline, Powered by Excellence, is a recognition of the employees that make up IBSS and ensures we deliver results with quality, applying industry best practices and certifications.

IBSS offers a competitive benefits package that includes medical, dental, vision, and prescription drug coverage with a company-paid deductible, paid time off, federal holidays, a matching 401K plan, tuition/professional development reimbursement, and Flex-Spending (FSA)/Dependent Care Account (DCA) options.

IBSS is an affirmative action and equal opportunity employer.

All qualified applicants will be considered for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.

Click (url removed) to see that the EEO is the law.

Please direct any inquiries to the HR Department email at (url removed).

If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to the Talent Acquisition department at (url removed)

Required Skill Profession

Other General