Today
Top Secret/SCI
Unspecified
CI Polygraph
IT - Security
Chantilly, VA (On-Site/Office)
Information System Security Officer (Security Engineer)
Location: Chantilly, VA or Arnold, MO
Clearance Required: TS/SCI with CI Polygraph
Certification Required: DoD 8570 Compliant (Security+ or equivalent)
Employment Type: Full-Time
Travel: Minimal
Relocation Assistance: Yes
We are Ennoble First-the people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into an opportunity.
Position Summary
As a Security Engineer / ISSO supporting the FS2 Dissemination Task Order, you will play a critical role in authorizing, protecting, and maintaining the integrity of classified systems across multiple domains. This includes guiding Risk Management Framework (RMF) processes, ensuring NIST/ICD-503 compliance, remediating vulnerabilities, supporting assessments and audits, and maintaining A&A documentation in platforms like XACTA 360 and ServiceNow.
You will interface with stakeholders from Leidos, NGA, and DoD, ensuring that security controls are well-documented, traceable, and auditable. The ISSO operates across enclaves (Unclassified, Secret, TS/SCI) and supports continuous monitoring, incident response readiness, and adherence to NGA's cybersecurity policy.
Primary Responsibilities
Minimum Qualifications
Preferred Qualifications
Pay Range
$115,000 - $155,000
The Ennoble First pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
Ennoble First participates in E-Verify.
The information below will be listed on our website's careers landing page.
EEO is the Law | Pay Transparency Nondiscrimination
www.dhs.gov/E-Verify
E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.
Location: Chantilly, VA or Arnold, MO
Clearance Required: TS/SCI with CI Polygraph
Certification Required: DoD 8570 Compliant (Security+ or equivalent)
Employment Type: Full-Time
Travel: Minimal
Relocation Assistance: Yes
We are Ennoble First-the people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that's important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into an opportunity.
Position Summary
As a Security Engineer / ISSO supporting the FS2 Dissemination Task Order, you will play a critical role in authorizing, protecting, and maintaining the integrity of classified systems across multiple domains. This includes guiding Risk Management Framework (RMF) processes, ensuring NIST/ICD-503 compliance, remediating vulnerabilities, supporting assessments and audits, and maintaining A&A documentation in platforms like XACTA 360 and ServiceNow.
You will interface with stakeholders from Leidos, NGA, and DoD, ensuring that security controls are well-documented, traceable, and auditable. The ISSO operates across enclaves (Unclassified, Secret, TS/SCI) and supports continuous monitoring, incident response readiness, and adherence to NGA's cybersecurity policy.
Primary Responsibilities
- Develop risk mitigation strategies and maintain System Security Plans, POA&Ms, CONOPS, ITDRs.
- Maintain accurate documentation in ServiceNow, XACTA 360, and Leidos CIO tools.
- Lead vulnerability scanning and remediation across multiple classification levels using ACAS, Nessus, and SPLUNK.
- Coordinate A&A activities, liaise with NGA DAOs, and respond to all security-related orders, taskers, and patch compliance requirements.
- Support Zero Trust architecture implementation and measure its effectiveness.
- Interface with system admins, lab engineers, ISSMs, and Leidos security leadership on secure system design and audit readiness.
- Provide access approvals, security training, and audit trail management for identity and access mechanisms.
- Manage security profiles and ensure all required documentation is current and in compliance with ICD-503, NIST, and other federal standards.
Minimum Qualifications
- U.S. Citizen with an active TS/SCI clearance and CI Polygraph
- Bachelor's degree in Cybersecurity, Information Technology, or a related field
- 8-12 years of cybersecurity or ISSO-related experience
- DoD 8570 certification (Security+ or equivalent)
- Strong understanding and implementation experience of ICD-503, RMF, and NIST 800-53
- Experience with tools and platforms such as XACTA/XACTA 360, ACAS, Nessus, HBSS, and SPLUNK
- Experience supporting NGA or other Intelligence Community agencies
- Proficient technical writing and documentation skills
Preferred Qualifications
- 3+ years of vulnerability scanning and POA&M remediation experience
- CISSP, CEH, CISM, or other advanced security certifications
- Prior intelligence community or NGA program support
Pay Range
$115,000 - $155,000
The Ennoble First pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
Ennoble First participates in E-Verify.
The information below will be listed on our website's careers landing page.
EEO is the Law | Pay Transparency Nondiscrimination
www.dhs.gov/E-Verify
E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.
group id: 90783838
