Information Systems Security Officer (ISSO) -

Full-Visbility; Quantico (VA); On-site; USD 160,000 - 200,000; Full time

Job summary

Full Visibility is seeking an Information Systems Security Officer (ISSO) to join our team in Quantico, VA. Candidates must hold an active Top Secret clearance and be able to work on-site to support federal clients.

You will collaborate with customers to plan and implement security programs, assess RMF requirements, and guide action plans to protect mission-critical systems. Strong communication and presentation skills are essential for success.

Qualifications

• Active Top Secret clearance required.
• 9+ years information assurance or cybersecurity with HS diploma or GED; or 5+ years with Bachelor's degree.
• Experience developing security plans or ATO packages and assessing cybersecurity controls.
• Experience reviewing firewall logs and STIGs; RMF documentation.
• Ability to translate security concepts for clients and guide plan of action.

Responsibilities

• Collaborate with customers to ensure confidentiality, integrity, and availability of systems and data.
• Plan, analyze, develop, implement, maintain, and enhance information security programs and tools.
• Coordinate with ISSOs to meet interconnection, policy, and procedure requirements and keep documentation updated.
• Advise clients on encryption, vulnerability analysis, and security management standards to meet FISMA requirements.
• Translate security concepts for client decision-making and support mission-critical systems.

Skills

Top Secret clearance

5+ years information security

On-site work

Education

HS diploma or GED

Bachelor's degree in information systems or CS

Tools

Nessus Pro

Tenable.io

NMap

STIGs

Xacta

JCAM

ACAS

Job description

Information Systems Security Officer (ISSO) -

Quantico, United States | Posted on 08/20/2026

Full Visibility LLC is a federally certified Small Business that delivers innovative technical solutions to address the nation’s most critical and sensitive missions. Founded in 2006, our extensive technical capabilities and expertise support federal and state government agencies with over 100 cleared technical experts specializing in mission solution areas of Digital, AI & Analytics, Cyber, and Engineering.

With offices in the National Capital Region, Quantico, VA, and Huntsville, AL -- we deliver critical technical solutions to various federal government agencies and departments.

Job Description

Full Visibility is seeking an Information Systems Security Officer (ISSO) to work in Quantico, VA . Candidate must possess an active Top Secret clearance.

The ISSO will work closely with customers to ensure the confidentiality, integrity, and availability of systems, applications, networks, and data through the planning, analysis, development, implementation, maintenance, and enhancement of information systems security programs; infrastructure; application; Security Assessment and Authorization (SAA), IA policy directives (PD) and guides (PG); and IA Security tools, such as Tenable.io, Nessus Pro, NMap , etc. The candidate will coordinate with other ISSOs to ensure that their requirements for interconnection, policy, and procedures are met and all documentation is provided and updated as necessary. The ideal candidate will advise the customer on the use of methods such as encryption technology, vulnerability analysis, and security management standards to protect systems and applications to meet Federal Information Security Modernization Act (FISMA) requirements.

The successful candidate will work with our federal clients to discover their cyber risks, understand policies, and develop a mitigation plan. You’ll get technical, environmental, and personnel details from our clients and SMEs to assess the entire threat landscape. Then you’ll help your team guide your client through a plan of action with presentations, whitepapers, and milestones. You’ll work on translating security concepts for your client so they can make the best decisions to secure their mission‑critical systems. This is your opportunity to take an active role in information security while growing your skills in cybersecurity and risk mitigation. Work with us as we protect our client's cyber infrastructure.

Requirements

• TS/SCI clearance with a polygraph
  
• HS diploma or GED and 9+ years of experience with information assurance or cybersecurity, or bachelor's degree in information systems technology, CS, or Computer Engineering and 5+ years of experience with information assurance or cybersecurity .
  
• Experience supporting the development of security plans or packages for Assessment and Authorization(A&A) of IT systems Authority to Operate(ATO), including the implementation and assessment of cybersecurity controls.
  
• Experience reviewing and addressing firewall logs such as Cisco Stealthwatch.
• Experience with Security Technical Implementation Guides(STIGs).
  
• Ability to relate requirements and document requirements within the appropriate security document or within the RMF system, and coordinate with the program, other systems, and security personnel.
  
• Ability to create tactics, techniques, procedures, whitepapers, standard operating procedures, workflows, system data flows, and architectural diagrams.
  
• Ability to analyze RMF policies.
  
• Ability to work ON SITE in Quantico VA.
  

NICE TO HAVE:

• Experience with Xacta or JCAM
  
• Experience reviewing NESSUS or ACAS vulnerability scans and reviewing audit logs, including STIGs and Information Assurance Vulnerability Alerts(IAVA)
  
• Experience providing network or system administration or computer operations
  
• Experience with Windows and Linux systems
  
• Experience supporting the Intelligence Community
  
• Knowledge of Windows and Linux OS, and cloud architecture and virtualization
  
• Possession of excellent interpersonal and presentation skills
  
• Possession of excellent verbal and written communication skills
  
• CISSP, CISM, CAP, or CASP+ Certification
  

#CJ

This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: local market conditions, and candidate qualifications, such as skills, education, and experience. A reasonable salary range for this position is 160-200K.

About Full Visibility

Full Visibility LLC is a federally certified Small Business that delivers innovative technical solutions to address the nation’s most critical and sensitive missions. Founded in 2006, our extensive technical capabilities and expertise support federal and state government agencies with over 100 cleared technical experts specializing in mission solution areas of Digital, AI & Analytics, Cyber, and Engineering.

Our technologists are recognized as industry leaders with demonstrated expertise in innovating and transforming our client environments in support of national security and law enforcement. Headquartered in Tysons, VA – with locations in Chantilly, VA, Quantico, VA, and Huntsville, AL – we have specialized experience supporting sensitive missions and an understanding of the niche skillsets required to overcome challenges in these environments. Our clients benefit from an enthusiastic and reliable team of talent with high employee morale and retention based on our FULL EMPLOYEE approach where each employee’s professional and personal well-being is considered. Our focus on employee development, success, and morale is demonstrated by our consecutive top ranking as the Best Place to Work by the Washington Business Journal as a thirteen-time honoree. Full Visibility has also been included on the Inc. 5000 Fastest-Growing Private Companies in America list nine times since 2014.

Full Visibility currently has over 20 active contracts with 100 billable staff supporting 21 clients in the Intelligence and Law Enforcement communities. As part of our commitment to partnerships, we are teammates with 13 prime contract holders. Additionally, Full Visibility holds contracts on several vehicles, such as GSA Multiple Award Schedule (MAS), DISA SETI, DIA SITE III, HCaTS, as well as several classified vehicles. Our portfolio includes experience serving the Department of Defense, Department of Homeland Security, Department of Justice, and Department of Veterans Affairs, as well as commercial clients.

Full Visibility LLC is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran status, disability or genetic information or any other reason prohibited by law in employment.