Information System Security Officer (ISSO) / Cyber Lead

USA VA Falls Church
Full-time
$164,382 - $218,500
Posted Nov 12, 2026

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Skills

Cybersecurity
SAP

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

Cyber and IT Risk Management

Job Qualifications:

Skills:

Cybersecurity Operating Model, Cybersecurity Strategy Development, Security Architecture Design, Security Risk Certifications:

None Experience:

15 + years of related experience US Citizenship Required:

Yes

Job Description:

Make meaningful contributions that fuel critical outcomes for some of the most complex government, defense, and intelligence projects. Join GDIT as the Information System Security Officer (ISSO) / Cyber Lead for a career where your growth is just as important as the mission you support.

MEANINGFUL WORK AND PERSONAL IMPACT:

As the Information System Security Officer (ISSO) / Cyber Lead, the work you’ll do at GDIT will be impactful to the mission of Department of War (DoW), Chief Information Officer (CIO) for Special Access Program(s) (SAPs) (DoW SAP CIO). The ISSO SME / Cybersecurity Lead is responsible for overseeing cybersecurity compliance, security operations, and risk management activities for mission-critical systems and cloud environments. This role leads the implementation of security controls, supports RMF accreditation activities, ensures compliance with DoW and federal cybersecurity requirements, and provides guidance on security architecture, continuous monitoring, incident response, and vulnerability management.

You will play a crucial role in leading a team to support in the following areas:

•Lead cybersecurity and information assurance activities across cloud and enterprise environments.

•Manage RMF packages, ATO processes, security control assessments, and compliance activities.

•Develop and maintain security policies, procedures, and system security documentation.

•Oversee continuous monitoring, vulnerability management, and security remediation efforts.

•Conduct security risk assessments and support audits and inspections.

•Monitor security events and coordinate incident response activities.

•Ensure compliance with RMF, JSIG, NIST 800-53, and DoW cybersecurity requirements.

•Advise engineering and operations teams on secure system and cloud architecture design.

•Coordinate with government stakeholders, Authorizing Officials, ISSMs, and security assessors.

•Provide cybersecurity leadership, guidance, and mentoring to project teams.

WHAT YOU’LL NEED TO SUCCEED:

•BS degree; may be substituted for additional years of experience

•15 years serving as an ISSO, ISSM, Security Lead, or Cybersecurity SME

•Security Clearance Level: Top Secret with SCI eligibility

•Required Certifications: CISSP, CAP, CCSP, Security , CASP , or equivalent certification

•Risk Management Framework (RMF) and Authorization to Operate (ATO) processes.

•JSIG, NIST 800-53, DoW cybersecurity policies, and security compliance requirements.

•Security architecture and secure cloud computing principles.

•Vulnerability management and remediation planning.

•Continuous monitoring and security operations.

•Incident response, threat analysis, and risk assessment.

•Security control implementation and assessment.

•System security documentation (SSP, POA&M, SAR, SCTM).

•Identity and Access Management (IAM) and access control technologies.

•SIEM, security monitoring, and audit log analysis.

•Strong leadership, communication, and stakeholder engagement skills

GDIT IS YOUR PLACE:

•Excellent customizable health benefits (Medical, Dental and Vision)

•401K with company match

•Educational Assistance and eLearning

•Internal mobility team dedicated to employee advancement

•Rewards and Recognition programs

•Innovative and collaborative environment encouraging highly motivated critical thinking

The likely salary range for this position is $164,382 - $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:

Travel Required:

Less than 10%

T elecommuting Options:

Onsite

Work Location:

USA VA Falls Church

Additional 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 at gdit.com/tc .

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans