Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret/SCIClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:IT Infrastructure and OperationsJob Qualifications:Skills:Critical Systems, Security Controls, Security SystemCertifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:Senior Information System Security EngineerDeliver security related solutions for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a career in systems security, you’ll ensure information systems, networks and architectures are secure and ready to support mission critical requirements.At GDIT, people are our differentiator. As an Information System Security Engineer, you will help ensure today is safe and tomorrow is secure. Our work depends on Information Systems Security Engineers joining our team to protect data flows for a wide range of devices.HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL MAKE AN IMPACTProvides technical expertise to ensure systems meet Information Assurance (IA) requirements and are properly accredited.Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected.Assist IA team in established Authorization and Accreditation (A&A) process using a risk mitigation framework (RMF) across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO).Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively.Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs.Develop comprehensive system test plans (STP) to assess the security posture of the information systems.Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures.WHAT YOU’LL NEED TO SUCCEED:Education: Bachelor Degree in an area applicable to this positionRequired Experience: 8+ years of related experienceAdvanced Windows administration capabilities and Linux proficiencyPractical experience deploying, maintaining, and troubleshooting security toolsExperience with C2S Cloud, or DevOpsSecRequired Technical Skills: Must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary certifications.Security Clearance Level: TS/SCI and PolyExperience with: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)’s.Required Skills and Abilities: Excellent communication, problem solving, team playerExperience as an ISSO, ISSM, ISSE, or Security Controls Assessor. Experience with Special Access Programs (SAPs) and Intelligence Community.Location: On Customer SiteUS Citizenship RequiredGDIT IS YOUR PLACE:401K with company matchComprehensive health and wellness packagesInternal mobility team dedicated to helping you own your careerProfessional growth opportunities including paid education and certificationsCutting-edge technology you can learn fromRest and recharge with paid vacation and holidaysThe likely salary range for this position is $161,500 - $218,500. 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:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA VA RestonAdditional Work Locations: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. Our Identity Verification Process:As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work:We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 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 mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans