Demo

Information System Security Officers (ISSO)

Agile Defense, LLC
Washington, DC Full Time
POSTED ON 4/13/2026
AVAILABLE BEFORE 6/8/2026
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 #: 1503

Job Title: Information System Security Officers (ISSO)

Location: Hybrid, Washington, D.C. (3 days onsite, 2 remote days)

Clearance Level: Public Trust

Required Certification(s): CISSP or Security

SUMMARY: The Information System Security Officers (ISSO) bring valuable technical, policy, and business knowledge and advice to inform system security and risk management required to maintain the security posture of each IT system within defined portfolio.

JOB DUTIES AND RESPONSIBILITIES:

Serve as the primary liaison between the Cybersecurity Group, system owners, ECCP, and information owners on security and risk matters.

Ensure systems follow security policies, including vulnerability scanning, patching, and configuration management.

Verify compliance for commercial and opensource software through OCIO governance processes.

Support incident reporting and coordination with the SOC.

Determine system categorization and control selection under the Risk Management Framework.

Coordinate with stakeholders on ECCP controls and expansion of standard control providers.

Manage IPAs and PIAs.

Review security reports and participate in briefings with system owners and leadership.

Monitor overall security posture and prepare updated Security Posture Reports.

QUALIFICATIONS: Required Certifications:

CISSP or Security

Education, Background, and Years of Experience:

Bachelor of Science Degree

3 -5 years of experience as an ISSO/ISSM

ADDITIONAL SKILLS & QUALIFICATIONS: Required Skills:

3 - 5 years ISSO/ISSM support including

Maintain the security posture of assigned information systems and ensure compliance with federal security requirements (e.g., NIST, FISMA).

Support system authorization and accreditation activities, including preparing and maintaining A&A documentation.

Monitor system security controls and ensure they are implemented, operating, and effective.

Perform continuous monitoring activities and review security logs, scans, and reports.

Identify, track, and remediate vulnerabilities in coordination with engineering teams.

Conduct periodic security assessments and risk analysis.

Prepare and maintain system security plans, contingency plans, incident response plans, and related artifacts.

Ensure proper configuration management practices are followed for all system changes.

Support security incident response activities, including documenting and escalating events.

Work closely with system owners, developers, and administrators to ensure security is integrated throughout the system lifecycle.

Communicate security risks and recommendations to stakeholders and leadership.

Ensure users maintain proper security awareness and follow established policies and procedures.

Participate in audits and reviews, providing evidence, documentation, and responses as needed.

Track and report on Plan of Action & Milestones (POA&Ms).

Ensure compliance with policies related to access control, patch management, and security operations.

WORKING CONDITIONS: Environmental Conditions:

Hybrid position in Washington, D.C.

3 days onsite, 2 remote days

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.
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.
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
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
apply for this job

At Agile Defense, we know that our employees are our most important asset. We believe in our responsibility to our fellow employees, customers, company, and to our country. We promote teamwork, integrity, and creativity; we expect our fellow employees to also live these values.

Agile Defense, Inc. does not discriminate in practices or employment opportunities on the basis of an individual's race, color, national or ethnic origin, religion, age, sex, gender, sexual orientation, marital status, veteran status, disability, or any other proscribed category set forth in federal or state regulations.

 

Salary.com Estimation for Information System Security Officers (ISSO) in Washington, DC
$256,214 to $313,945
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Information System Security Officers (ISSO)?

Sign up to receive alerts about other jobs on the Information System Security Officers (ISSO) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$270,069 - $359,305
Income Estimation: 
$328,229 - $449,590
Income Estimation: 
$87,093 - $107,335
Income Estimation: 
$111,725 - $147,313
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Agile Defense, LLC

  • Agile Defense, LLC Washington, DC
  • 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 fut... more
  • 9 Days Ago

  • Agile Defense, LLC Mc Lean, VA
  • 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 chan... more
  • 9 Days Ago

  • Agile Defense, LLC Quantico, VA
  • 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 chan... more
  • 9 Days Ago

  • Agile Defense, LLC Reston, VA
  • 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 fut... more
  • 9 Days Ago


Not the job you're looking for? Here are some other Information System Security Officers (ISSO) jobs in the Washington, DC area that may be a better fit.

  • Agile Defense, LLC Washington, DC
  • 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 fut... more
  • 5 Days Ago

  • SMX Washington, DC
  • Law Enforcement Agency CIO's organization is looking to provide Information Security as a Service and needs ISSO to support cybersecurity stakeholders This... more
  • 2 Days Ago

AI Assistant is available now!

Feel free to start your new journey!