Information System Security Officer (ISSO)

at Agile Defense

Huntsville, AL, onsite, senior, 8+ years

posted 08 Oct 2026

Apply for this role Sign in to track your application

Azure
FITSP-M
GSLC
FIPS-199
RMF
GCSA
CISSP-ISSMP
CNSS 1253
NIST SP 800-53
GICSP
GCIA
CISSP
NIST SP 800-37
GCIH
CISSO
GRC tools
AWS
CISM

About the role

Posted: 2026-10-08

About Agile Defense 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 #: 1926 Job Title: Information System Security Officer - Senior Clearance Level: Top Secret Clearance Required Required Certification(s): One of the following: CISM, CISSO, CISSP, CISSP-ISSMP, FITSP-M, GCIA, GCIH, GCSA, GICSP, or GSLC

Agile Defense is seeking an experienced Information System Security Officer (ISSO) to support the FBI under Objective 2: ISSO/ISSE Program Management. The ISSO will support the development, implementation, and ongoing refinement of a methodology for categorizing and organizing FBI information technology systems based on security, operational, and mission-related factors.

This role will help ensure systems are consistently grouped according to attributes such as classification level, FIPS-199 categorization, hosting environment, CNSS 1253 overlays, data types, and business function. The ISSO will also support labor mapping, chargeback/cost recovery reporting, and documentation requirements associated with the call order.

The ideal candidate will bring experience in federal cybersecurity compliance, risk management, RMF, GRC tools, and stakeholder coordination in a complex, mission-driven environment.

What you would do

- Support development and maintenance of a documented methodology to categorize FBI IT systems based on:

- Classification level

- FBI division supported

- National Security System designation

- FIPS-199 impact level

- Hosting location (on-premises, Azure, AWS)

- CNSS 1253 overlays

- Data types managed

- Mission/business function

- Other evolving policy or operational criteria

Read from jobs.lever.co, last seen 3d ago.

What they are looking for

- Bachelor’s degree in Cybersecurity, Information Assurance, Information Systems, Computer Science, Engineering, or related field; equivalent experience may be considered.

- 8 + years of experience in cybersecurity compliance, information assurance, ISSO support, or system security governance in a federal environment.

- One of the following certifications: CISM, CISSO, CISSP, CISSP-ISSMP, FITSP-M, GCIA, GCIH, GCSA, GICSP, or GSLC

- Active Top Secret clearance required.

- Experience supporting system categorization, security control compliance, and risk management under federal cybersecurity frameworks.

- Working knowledge of:

- FIPS-199

- NIST SP 800-37

- NIST SP 800-53

- CNSS 1253

- Federal RMF processes

- Experience with GRC tools and maintaining system/security data.

- Experience supporting reporting, documentation, and audit readiness.

- Strong written and verbal communication skills.

- Ability to manage multiple systems and priorities in a structured, deadline-driven environment.

- Experience supporting FBI, DOJ, IC, or other federal law enforcement or national security customers.

- Experience with classified systems and National Security Systems.

- Familiarity with Azure and AWS environments.

- Experience supporting labor/resource planning based on system complexity or compliance workload.

In addition, Agile Defense invests in its employees beyond just compensation. Agile’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Learning and Development opportunities as well as other optional benefit elections.

Our Core Values 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 6Hs, 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. Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do. Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated. Honest - Be Trustworthy.Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support. Humble - Be Grounded.Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task. Hungry - Be Eager.Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges. Hustle - Be Driven.Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities