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Information System Security Officer (ISSO)

General Dynamics Information Technology
Falls Church, United Statesfull_timeVerifiedPosted 30 Oct 2025
💰 $147,443/yr($108,979/yr$147,443/yr)

About the role

Type of Requisition:

Pipeline

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

MBI (T2)

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Information Assurance, Security Architecture Design, Security Requirements

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

No

Job Description:

Seize your opportunity to make a personal impact as an Information System Security Officer supporting the United States Postal Service. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.

At GDIT, people are our differentiators. As an Information System Security Officer, you will help ensure today is safe and tomorrow is smarter. Our work depends on an Information System Security Officer joining our team to analyze design, develop, implement, and support code for our government customer, the United States Postal Service.

   

HOW AN INFORMATION SYSTEM SECURITY OFFICER WILL MAKE AN IMPACT

In this role, a typical day will include:

  • Being responsible for developing, implementing, and maintaining an organization's information security program.
  • They ensure the confidentiality, integrity, and availability of data by implementing security policies, conducting risk assessments, and guiding employees on best practices.
  • ISSOs also play a crucial role in monitoring networks, investigating breaches, and responding to security incidents.
  • Using strong analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts of information with attention to detail and accuracy.

WHAT YOU’LL NEED TO SUCCEED:

Education:

  • Bachelor's Degree in Computer Science or related technical discipline, preferred but not required.
  • NOTE: If resources do not have a relevant college degree, an additional 4 years of relevant work experience is required.

Required Experience:

  • 3+ years' experience as an Information System Security Officer
  • Ability to manage responsibility for security assessments of a variety of applications or domains, to include cloud computing, and to manage several project/initiatives of large size, complexity, and risk.
  • Demonstrated proficiency in implementing security controls, conducting risk assessments, and documenting compliance measures based on NIST RMF and ISO standards to meet organizational and regulatory requirements.
  • Demonstrated proficiency in successfully evaluating and supporting documentation, validation, and accreditation processes necessary to assure that new and existing information technology (IT) systems meet the organization's information assurance (IA) and security requirements.
  • Demonstrated proficiency in ensuring appropriate treatment of risk, compliance, and assurance from internal and external perspectives.
  • Demonstrated ability to support development of actionable security blueprints, principles, models, designs, standards, and guidelines to ensure enterprise IT architecture and support is consistent, usable, secure and adds value to the business.
  • Experience with network and vulnerability scanning tools and technologies to interrogate systems for configuration and status.
  • In-depth understanding of security architecture principles and best practices to design, implement, and maintain secure IT infrastructures in alignment with A&A policies.
  • Demonstrated proficiency in utilizing Governance, Risk, and Compliance (GRC) tools for managing Assessment & Authorization (A&A) processes.
  • Ability to serve as subject matter expert (SME) for the USPS A&A process.
  • Strong oral and written communication skills and ability to build & maintain schedules and step-by-step action plans.

Security Clearance Level:

  • Ability to obtain and maintain a Public Trust clearance and successfully pass a thorough Government background screening process requiring the completion of detailed forms and fingerprinting
  • This position has a U.S. residency requirement. The USPS security clearance process requires the selected candidate to have resided in the U.S. (including U.S. Territories) for the last five years as follows: U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 6 months consecutively in the l

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Company

General Dynamics Information Technology

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