Information System Security Officer (ISSO) with Security Clearance

Information System Security Officer (ISSO)

Onsite | Fort Belvoir, Virginia | Active Secret Clearance Required If you are looking for meaningful work, want to operate at a senior level in a highly visible DoD research environment, and value being part of a company that supports its people as much as its mission, we would love to talk. Why This Role Exists

This position serves as the Information System Security Officer supporting Federal and Department of Defense research and operational environments. The ISSO is responsible for overseeing security posture, managing risk, ensuring compliance, and leading vulnerability management activities that protect mission-critical systems supporting national defense initiatives. What You Will Do

• Serve as the Information System Security Officer for assigned systems within Federal and DoD research environments.
• Oversee and manage system security posture, ensuring compliance with applicable DoD cybersecurity policies and NIST guidance.
• Lead vulnerability management efforts, including identification, prioritization, mitigation tracking, and remediation validation.
• Conduct and review risk assessments to evaluate system security controls and residual risk.
• Support system authorization activities and maintain required security documentation.
• Guide incident response coordination, including containment, root cause analysis, corrective actions, and reporting.
• Evaluate emerging threats, malware trends, and evolving attack vectors impacting research and operational systems.
• Oversee development and implementation of protective controls including firewalls, endpoint security tools, and monitoring solutions.
• Draft and review security documentation, assessment reports, and technical findings for senior stakeholders.
• Support acquisition reviews, technical evaluations, and proposal assessments related to secure research and development initiatives.
• Track performance metrics, risk indicators, and project progress tied to cybersecurity initiatives.
• Communicate complex cybersecurity findings clearly to technical and non-technical leadership. What We Are Looking For Required
• Minimum of seven years of relevant experience in cybersecurity, engineering, scientific, or technical disciplines supporting DoD or Federal environments.
• Demonstrated experience identifying and addressing vulnerabilities in enterprise systems.
• Strong knowledge of security testing methodologies, threat detection, mitigation strategies, and risk management frameworks.
• Experience supporting incident response, vulnerability management, and system security oversight.
• Experience evaluating both qualitative and quantitative data to assess security posture and risk trends.
• Strong technical writing skills with the ability to clearly explain complex security issues.
• Understanding of DoD and Federal research and development processes, acquisitions, and project lifecycle management. Certification Requirement
• One certification from each of the following lists REQUIRED:
  
  

 ▪ DoD 8570 certifications such as CCNA-Security, CySA , GICSP, GSEC, Security CE, CND, or SSCP

 ▪ DLA Approved certifications may include AWS Certified Solutions Architect Associate (SAA-003 exam), AWS Certified Solutions Architect Professional, AWS Certified Security Specialty, Microsoft Certified Architect for SQL Server, or Microsoft Certified: Azure Administrator Associate (AZ-104 exam) Eligibility Requirements

• Active Secret clearance required.
• Must meet IAT II certification requirements.
• This role is restricted to U.S. person(s) as defined under the Immigration and Naturalization Act, 8 U.S.C. 1324b(a)(3). Location
• Onsite at Fort Belvoir, Virginia. Who We Are
  
  

At D&G Solutions, people come first; our teammates, customers, and the communities we serve. We are one of the fastest growing companies in the Washington, DC area and proud to be recognized nationally as a Best Place to Work. As an 8(a), Service Disabled Veteran Owned Small Business and Women Owned Small Business, we bring ownership, accountability, and care to everything we do. We also deeply believe in giving back and proudly support organizations such as Homes for Our Troops, SemperK9, and Wreaths Across America. Our teams are known for being welcoming, collaborative, and deeply committed to mission success. We believe great work happens when people feel supported, respected, and trusted, and we work hard to create that environment every day. What We Offer

Competitive salary | Comprehensive benefits | 401(k) | Bonus and profit sharing | Flexible hours | Education reimbursement | Generous paid time off Final Note

If you want to work for a company that cares about its people, contribute to a mission that truly matters, and be part of a team where you are valued for who you are as well as what you do, we would love to hear from you. ***Internal Gov Agency Title will be Cybersecurity Specialist***