Information System Security Officer (ISSO) - TS/SCI with Polygraph

VulnU; McLean, Northern (VA, KY); Hybrid; USD 143,000 - 162,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health plan

Paid education and certifications

Job summary

GDIT is seeking an Information Systems Security Officer (ISSO) to support customer activities on-site in McLean, VA. The role focuses on information assurance, RMF, and cloud security with AWS expertise and a TS/SCI with Poly requirement.

Ideal candidates have 8+ years of experience, strong written and verbal communication, and relevant certifications such as CISSP, CISM, CEH, CCP, Azure/GCP knowledge. On-site location with comprehensive total rewards and career growth opportunities.

Qualifications

• 8+ years of related experience required.
• Strong knowledge of AWS infrastructure and cloud security.
• Familiarity with NIST 800-53, RMF, ICD 503, CNSSI 1253.

Responsibilities

• Provide information assurance for systems and programs.
• Coordinate and implement cyber security policies and processes.
• Maintain security posture using RMF and ensure security controls are followed.
• Prepare SSPs, C&A packages, architecture diagrams, and contingency/incident plans.
• Support risk management reviews and vulnerability assessments.

Skills

AWS

Cybersecurity

POA&M

RMF

Education

Bachelor's degree

Job description

# Information System Security Officer (ISSO) - TS/SCI with PolygraphGDIT · gdit.comCategory: GRC & ComplianceLocation: USA VA McLeanSalary: $142,792 – $161,788Clearance: TS/SCI + Poly## Quality of lifeWhat the posting states. Hover or tap a perk to see the line it came from.* Retirement match* Paid parental leaveType of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Cyber and IT Risk ManagementJob Qualifications:Skills:Amazon Web Services (AWS), Cybersecurity, Plan of Action and Milestones (POA&M), Risk Management FrameworkCertifications:NoneExperience:8 + years of related experienceUS Citizenship Required:YesJob Description:Seize your opportunity to make a personal impact as an Information Systems Security Officer supporting customer activities. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career.At GDIT, people are our differentiator. As an ISSO, you will help ensure today is safe and tomorrow is smarter. Our work depends on an ISSO joining our highly skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber security risk management “as a service” platform across multiple fabrics and centers. We have responsibility to ensure operational IT capabilities provide the client with necessary timeliness, accuracy and security of information demanded from all our highly professional roles. Be the change, lead our change – join us!HOW AN ISSO WILL MAKE AN IMPACTProvide information assurance support to system(s) and programDemonstrated experience with coordinating and implementing cyber security policies, standards and processesMaintain operational security posture for system(s) through customized Risk Management Framework (RMF) to ensure established security processes and procedures are followedStrong knowledge of AWS infrastructure, Commercial cloud and cloud securityEvaluate security solutions to ensure security requirements are met for processing classified informationProvide configuration management and documentation for system software, hardware, networks, enclaves, etc.Prepare and review system documentation to include Systems Security Plans (SSPs), Certification and Accreditation (C&A) packages, architecture diagrams, contingency plan, incident response plan, and other documentationSupport programmatic and organization project and risk management review boardsPerform vulnerability scanning, risk assessment analysis using NIST 800-53 and prepare responses to Plan of Action and Milestones (POA&Ms)Understanding of NIST 800-53, NIST 800-37, RMF, ICD 503, CNSSI 1253Strong written and oral communication skills to write technical analysis reports and security plansWHAT YOU’LL NEED TO SUCCEED:Education: Bachelors (Computer engineering, Computer Science, Electrical Engineering, Information systems, Information Technology, Cybersecurity, or a closely related discipline)Required Experience: 8 yrsPreferred Technical Skills:Demonstrated experience with coordinating and implementing cyber security policies, standards and processesStrong knowledge of AWS infrastructure, Commercial cloud and cloud securityUnderstanding of NIST 800-53, NIST 800-37, RMF, ICD 503, CNSSI 1253Strong written and oral communication skills to write technical analysis reports and security plansSecurity Clearance Level: TS/SCI with active polygraphPreferred Certifications:CompTIA SecurityCertified Information System Security Processional (CISSP)Certified Information Security Manager (CISM)Certified Ethical Hacker (CEH)AWS Certified Cloud Practitioner (CCP)Microsoft AzureGoogle Cloud Platform (GCP)Location: McLean, VA - On Customer SiteGDIT 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 holidays#OpportunityOwned #GDITCareers #WeAreGDIT #JET#GDITEnhanced2026#VA\\_2026Alumni The likely salary range for this position is $142,792 - $161,788. 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:Less than 10%Telecommuting Options:OnsiteWork Location:USA VA McLeanAdditional 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.