Req ID: RQ219439
Type of Requisition: Regular
Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph
Public Trust/Other Required: None
Job Family: Cyber and IT Risk Management
Skills:
Accreditation Standards,Information Assurance,Information Technology Security,Risk Management Framework,Security Requirements
Experience:
10 + years of related experience
US Citizenship Required:
Yes
Job Description:
INFORMATION SYSTEMS SECURITY ENGINEER (ISSE)
YOUR IMPACT
Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day.
CIS is growing, and we invite both our experienced incumbents and new team members to be part of what's next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we'll strengthen continuity and drive the next generation of innovation.
MEANINGFUL WORK AND PERSONAL IMPACT
As an Information Systems Security Engineer (ISSE) supporting CIS, you will provide security engineering expertise across the design, development, accreditation, and transition of enterprise infrastructure and services. You will shape secure architecture, ensure proper implementation of security controls, and guide systems through the full lifecycle of engineering and authorization. Your work directly strengthens the security posture, resilience, and readiness of mission critical technologies.
KEY RESPONSIBILITIES:
Perform security engineering throughout the system lifecycle, including requirements analysis, security control selection, tailoring, and documentation
Develop security design inputs for engineered solutions, including architecture artifacts, auditing plans, monitoring strategies, and secure configuration baselines
Prepare RMF security documentation, including security plans, control implementation descriptions, test plans, and accreditation artifacts
Coordinate with engineering teams to integrate security into solution architectures, ensuring compliance with applicable security policies, frameworks, and control baselines
Support development and validation of system test plans, security assessments, and control verification activities for new technologies and major upgrades
Collaborate with operations, engineering, and project teams to guide secure implementation, identify risks, recommend mitigations, and ensure adherence to approved security controls
Review and refine security documentation, including diagrams, hardware/software inventories, control traceability, and lifecycle sustainment plans
Provide technical expertise during engineering reviews, transition planning, and pre-deployment activities to ensure secure configuration and accreditation readiness
Contribute to continuous improvement of security engineering standards, templates, and processes across the enterprise
WHAT YOU'LL NEED TO SUCCEED:
EDUCATION: Bachelor's degree in an IT-related field, or 10-12+ years of relevant IT experience in lieu of a degree
CERTIFICATION: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., CISSP, etc.)
CLEARANCE: Active TS/SCI clearance with a favorable polygraph
Hands-on experience applying the Risk Management Framework (RMF), including security control selection, tailoring, assessment, and documentation
Strong understanding of enterprise infrastructure components (server, network, storage, virtualization, cloud) and their security requirements
Experience developing security design artifacts, accreditation packages, test plans, and technical documentation
Ability to collaborate with engineering, operations, and cybersecurity teams to integrate security controls into system architectures
Strong analytical skills with the ability to identify risks, recommend mitigations, and validate secure configurations
Excellent communication and documentation skills, with the ability to translate technical security requirements into clear engineering guidance
US citizenship required
LOCATION: Onsite
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
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
CIS
The likely salary range for this position is $169,604 - $229,464. 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.
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 https://gdit.com/tc.
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
