Information Systems Security Officer (ISSO) (Cyber Test Engineer

Ennoble First is seeking an Information Systems Security Officer (ISSO) to support the assessment, implementation, and sustainment of security controls for developmental and operational cybersecurity tools in a mission-critical environment. The ISSO evaluates security configurations, identifies risks, and provides actionable recommendations to ensure systems comply with federal security requirements and achieve and maintain Authorization to Operate (ATO). This role works closely with engineers, vendors, and government stakeholders to translate cybersecurity policy and risk into secure, operational solutions.

Primary Responsibilities

• Assess and document security configurations for developmental and operational systems and tools

• Conduct tools assessments and configuration analysis against vendor guidance, best practices, and government security requirements

• Support implementation, oversight, and sustainment of security controls in accordance with RMF

• Apply and evaluate controls from NIST 800-53, FedRAMP, ICD 503, RMF, and DoD Information Levels

• Support system authorization activities including initial ATOs and ongoing continuous monitoring

• Perform risk analysis and document findings, recommendations, and mitigation strategies

• Coordinate with engineers, SMEs, subcontractors, and vendors to assess security impacts of system changes

• Develop and deliver security documentation, briefings, and artifacts to support stakeholder decision-making

• 3+ years of experience as an Information System Security Officer (ISSO) or Information System Security Analyst (ISSA)

• Experience implementing and maintaining security controls for IT systems and cybersecurity tools

• Experience conducting configuration assessments and risk analysis

• Experience supporting RMF processes and security authorization activities

• Experience with eMASS or Xacta IA Manager

• Active TS/SCI clearance; willingness to take a polygraph exam

Education

• Associate’s degree and 5+ years of experience supporting IT projects and activities, or

• Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or

• Master’s degree and 1+ year of experience supporting IT projects and activities

Certifications

• Active DoD 8570 Information Assurance Technician (IAT) Level II certification (e.g., Security+ CE, CCNA-Security, CySA+, GICSP, GSEC, CND, or SSCP)

• Must obtain a DoD 8570 Cybersecurity Service Provider (CSSP) - Infrastructure Support certification (e.g., CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND) prior to start date

Desired Qualifications

• Experience with DoD STIGs, SCAP, ACAS, and configuration assessment tools

• Experience assessing security impacts of new COTS tools, upgrades, or configuration changes

• Experience drafting or reviewing CONOPS, system topologies, and vulnerability scan results

• Familiarity with tools such as Ansible, Terraform, Splunk, or STIG Viewer

• Knowledge of cloud-native security tools and Zero Trust concepts

• Strong written, verbal, and presentation skills

• Ability to work effectively in a fast-paced, collaborative environment

• AWS, Azure, or GCP certification

Salary range: $110,000 - $140,000

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 include responsibilities of the role, education, experience, knowledge, skills, 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.

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., 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.