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Information System Security Analyst
Company: General Dynamics IT Location: Home Office, Hom Employment Type: Full Time Date Posted: 05/07/2026 Job Categories:
Engineering, Information Technology
Job Description
Information System Security Analyst
Seize your opportunity to make a personal impact as an Information System Security Analyst 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 Analyst, you will help ensure today is safe and tomorrow is smarter. Our work depends on an Information System Security Analyst joining our team to analyze design, develop, implement, and support code for our government customer, the United States Postal Service.
MEANINGFUL WORK AND PERSONAL IMPACT
As an Information System Security Analyst, the work youll do at GDIT will be impactful to the mission of USPS. You will play a crucial role in ensuring that USPS information systems remain secure, compliant, and resilient by leading assessment and authorization activities across complex technical environments.
Lead security assessments for USPS applications and domains, including cloud systems, ensuring compliance with NIST RMF and organizational security standards
Collaborate with cross-functional teams, business units, and IT stakeholders to guide them through the USPS Assessment & Authorization (A&A) process and support the development of compliant architecture
Drive risk-based security outcomes by developing actionable security blueprints, security models, and recommendations that strengthen enterprise security posture
Utilize GRC tools, vulnerability scanning technologies, and security architecture best practices to evaluate risks, document findings, and support authorization decisions
WHAT YOULL NEED TO SUCCEED:
Education:
Bachelors 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:
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 A&A processes.
Ability to serve as subject matter expert (SME) for the USPS A&A process, including providing guidance to stakeholders, business units, and new A&A resources as necessary.
Strong organizational skills and ability to build and maintain schedules and step-by-step action plans.
Effective communication and collaboration skills to work with cross-functional teams, business units, stakeholders, and IT professionals, and brief executives.
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 last 3 years (unless they meet certain exceptions). Non-U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 90 days consecutively in the last 3 years.
Location:
Morrisville, NC
Falls Church, VA
Eagan, MN
Remote considered
GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off
Flexibility: Full-flex work week to own your priorities at work and at home
Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore a career in cyber at GDIT and youll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.