Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Top Secret/SCI
Clearance Level Must Be Able to Obtain:
Top Secret SCI + Polygraph
Public Trust/Other Required:
None
Job Family:
Cyber and IT Risk Management
Job Qualifications:
Skills:
Computer Security, Information Systems, Information System Security
Certifications:
None
Experience:
5 + years of related experience
US Citizenship Required:
Yes
*Position is currently located in Elkridge, MD and will relocate to another site in the National Capital Region in 2026.*
As an Information System Security Officer (ISSO) at GDIT,you'llbe a key part of a focused team dedicated to securing our nation’s most critical systems. We need a detail-oriented professional with a strong technical background who can not only manage security policies but also get hands-on with the systems themselves.You'llbe the one translating complex security requirements into real-world solutions and ensuring our infrastructure is both compliant and resilient. Ifyou'reready to make a tangible impact by applying your skills to a mission-critical environment, this is the role for you.
HOW AN INFORMATION SYSTEM SECURITY OFFICER WILL MAKE AN IMPACT
Serve as a principal advisor on all matters, technical and otherwise, involving the security of Information Technology Division information systems.
Implement Risk Management Framework (RMF)in accordance withNIST SP 800-37. Ensure all security controls are robust and effective by independently conducting security control assessments, gathering comprehensive evidence, and ensuring systems are compliant with all standards.You'lltake ownership of the security package, ensuring all NIST SP 800-53 controls are applied.
Independentlyidentifysecurity vulnerabilitiesand propose alternative solutions that still achieve the required security intent, ensuring all NIST SP 800-53.
Directly assess system configurations and ensure compliance with security baselines like Security Technical Implementation Guides (STIGs).
Create, edit, andmaintaina wide range of security documentation from scratch, including System Security Plans (SSPs), and Plans of Actions and Milestones (POA&Ms).
Collaborate directly with engineering and development teams to implement your security designs and troubleshoot complex issues
Apply specific functional,workingand general industry knowledge.
Develop or contribute to solutions to a variety of problems of moderate scope and complexity.
Work independently with some guidance. May review or guide activities of more junior employees.
Provide leadership briefs, reports, and supporting documentationregardingthe status of applicable systems and their progression through the client’s RMF process.
Ensure all network, system, application, or service users have the requisite security clearances, authorization, need-to-know, and security responsibility awareness prior to granting access to ITD information systems.
Research and remediate security vulnerability findings for applicable systems within the ITD as documented in the Security Assessment Report (SAR) and its Plan of Actions and Milestones (POA&M).
Plan, implement,upgradeandmonitorsecurity measures for the protection of computer networks and information.
Ensureappropriate securitycontrols are in place that safeguard digital files and vital electronic infrastructure.
Oversee and support assigned IT environments, ensuring continuous improvement and rapid problem resolution.
WHAT YOU’LL NEED TO SUCCEED:
Required Education and Experience: Technical Training, Certification(s)or Degree + 8 years
Certification: 8570.01-M at the Information Assurance Technical (IAT) Level II
Security Clearance Level: TS/SCI clearance and ability to obtain andmaintaina CI Polygraph
Required Skills: Strong writtenand verbal communication, strong analytical, and critical thinking skills
Location: On Customer Site
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, and competitive pay and paid time off*
● Community: Award-winning culture of innovation and a military-friendly workplace
#VA_2026Alumni
#MD_2026Alumn
The likely salary range for this position is $127,500 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Scheduled Weekly Hours:
40
Travel Required:
None
Telecommuting Options:
Onsite
Work Location:
USA MD Elkridge
Additional Work Locations:
USA DC Washington
Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S. government, defense and intelligence community.
Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.
GDIT is part of General Dynamics, a global aerospace and defense company. We have shared our clients’ sense of purpose for over half a century and have a unique understanding of their missions, complex environments, and a rapidly changing world.
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
