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Information System Security Officer Lead

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: Agile Defense, Inc.
Full Time position
Listed on 2026-03-04
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1461

Job Title:

Lead ISSO

Location:

Reston, VA

Clearance Level: Secret (TS Eligible)

Summary

Agile Defense is seeking an experienced ISSO Lead with expertise in applying the Risk Management Framework (RMF) and NIST 800-series standards to protect multi-tenant cloud and hybrid-enterprise environments. Adept at conducting deep-dive vulnerability analyses and engineering remediation plans that satisfy rigorous FISMA requirements. Recognized for the ability to translate technical security gaps into clear, executive-level narratives that facilitate informed risk-management decisions.

Job Duties and Responsibilities

The ISSO Lead must also have extensive experience with security authorization processes, such as Authorization/Certification & Accreditation (A&A) and Authorization to Operate (ATO), along with the ability to develop associated documentation. A strong understanding of current security tools, multi-tenant cloud environments, hardware/software security implementation, communication protocols, and encryption techniques is essential. Furthermore, the role requires a proven ability to analyze security vulnerabilities, provide comprehensive assessments, and develop effective remediation instructions.

Excellent written and verbal communication skills are paramount, enabling the ISSO Lead to present complex security information clearly and effectively to diverse audiences. This experience should be complemented by demonstrated expert knowledge of federal cybersecurity standards and best practices, including FISMA, NIST, and the Risk Management Framework (RMF) methodology.

Qualifications Required Certifications
  • Active Certified Information Systems Security Professional (CISSP)
  • Active Certified Information Security Manager (CISM)
  • Other relevant certifications (e.g., CCSP, CEH) may be considered.
Education, Background, and Years of Experience

Bachelor’s degree in computer science, Engineering, STEM, Information Technology, or Cybersecurity

Additional

Skills & Qualifications Required Skills

A minimum of 8 years of experience in information security, with at least 5 years specifically in a lead ISSO or similar leadership capacity on large complex USG programs.

Preferred Skills
  • Active CISSP
  • Active Project Management Professional (PMP) certification
  • Active ISC2 Certified in Governance, Risk and Compliance (CGRC)
  • Knowledge of FedRAMP
  • Knowledge of A-123 audit Experience and Expertise with GRC tools such as CSAM
Working Conditions

Hybrid role in Reston, VA

Culture

Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.

What makes us Agile? We call it the 6

Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.

We also believe in supporting our employees by offering a competitive and comprehensive benefits package. To explore the benefits we offer, please visit our website under the Careers section.

Happy — Be Infectious.

Helpful — Be Supportive.

Honest — Be Trustworthy.

Humble — Be Grounded.

Hungry — Be Eager.

Hustle — Be Driven.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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