Information System Security Officer; ISSO - Sr W/Top Secret Clearance
Listed on 2026-05-21
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IT/Tech
Cybersecurity, Information Security, IT Consultant
Responsibilities & Qualifications
We are seeking a Information System Security Officer (ISSO) – Sr
Required Qualifications Experience- Possesses at least 7 years’ experience serving as an Information Systems Security Officer (ISSO) or Information System Security Engineer
- Possesses at least 7 years’ experience serving as an Information Systems Security Officer (ISSO) or Information System Security Engineer at a cleared facility.
- Minimum of 9 years of work experience in a computer science or Cybersecurity related field
- Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, Splunk, IBM Guardium, HP Web Inspect, Network Mapper (NMAP), and/or similar applications
- Demonstrated experience supporting government agencies, customers, or contracts within federal environments. This includes the Intelligence Community (IC), Department of Defense (DoD), Federal Civil agencies, and military organizations. Prior experience supporting the same or similar contract, with an in-depth understanding of the customer environment, requirements, and operational landscape, is highly desirable.
- Bachelor’s and/or advanced degree in computer science, business management, or IT related discipline is preferred
- Possess at least one of the following certifications:
- Certified Information Systems Security Professional (CISSP)
- Global Information Security Professional (GISP)
- CompTIA Advanced Security Practitioner (CASP)
- or other certifications exemplifying skill sets such as those described in DoD Instruction 8570.1 Information Assurance Management (IAM) Level III proficiency.
- Active Top Secret
This contract supports the Security Assessment and Authorization (SAA) program and information system security responsibilities at a Federal Agency. Responsibilities of the contract as a whole include providing comprehensive Information Systems Security Officer (ISSO) and Information Systems Security Engineer (ISSE) support to address evolving cybersecurity needs by providing Information Security as a Service (ISaaS).
About the positionSupports the implementation of the NIST Risk Management Framework (RMF) and Security Assessment and Authorization (SAA) process to ensure alignment with established cybersecurity standards. The Information System Security Officers (ISSO) manage and enforce cybersecurity policies, procedures, and compliance requirements for government information systems. ISSOs monitor system security posture, conduct risk assessments, support accreditation activities, investigate security incidents, and ensure compliance with RMF, NIST, and federal security standards.
ISSOs coordinate with technical teams, leadership, and auditors to protect sensitive data, maintain operational security, and support continuous monitoring activities across enterprise environments.
- Serve as Task Lead
- Required to fill in as an ISSO for additional systems (as needed)
WORK ENVIRONMENT
The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
- Location:
Quantico, VA. - Type of environment:
Onsite - Noise level:
Medium - Work schedule:
Schedule is day shift Monday – Friday. May be requested to work evenings and weekends to meet program and contract needs. - Amount of Travel: 10%
U.S. Citizen
Top Secret Security Clearance Required
PHYSICAL DEMANDSThe physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to use hands to handle, feel, touch; reach with hands and arms;
talk and hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds. The…
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