Cyber Security Engineer - TS/SCI with Polygraph

General Dynamics Information Technology; Herndon (VA); On-site; USD 187,000 - 253,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health and wellness

Internal mobility team

Professional growth opportunities

Cutting-edge technology you can learn

Paid vacation and holidays

Job summary

General Dynamics Information Technology is seeking a Cybersecurity Engineer to strengthen cyber defense using AI and cutting-edge tech. You will join the CDS team to guide data transit assurance and security policy adherence on client projects.

The role requires TS/SCI with Polygraph, 15+ years of experience, and strong communication skills to work with a diverse set of stakeholders. Location is Herndon, VA, with onsite work expectations.

Qualifications

• Technical training, certification, or degree in Cyber Security, CS, IT, or equivalent experience.
• 15+ years of technical experience with cross-domain experience.
• Working knowledge of information security policies/regulations and CNSS/NSPM-12 guidance.

Responsibilities

• Daily support to CDS-related requests and TEMs.
• Lead efforts to create/update CDS inventory to meet compliance.
• Consult on technologies, threats, and vulnerabilities with project teams.
• Assist in implementing government policies and tailoring processes.
• Support file type review and risk assessment reporting.
• May serve as a team or task lead.

Skills

Cross Domain Solutions

Customer Outreach

Information Technology Security

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

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:

Cross Domain Solutions, Customer Outreach, Information Technology Security

Certifications:

None

Experience:

15 + years of related experience

US Citizenship Required:

Yes

Job Description:

Own your career as a Cybersecurity Engineer at GDIT. Here, you’ll have the opportunity to build strong lines of cyber defense using AI and other cutting‑edge technologies. Your work in cyber security at GDIT will have an impact on securing our clients’ missions and ensuring we anticipate the threats of tomorrow.

At GDIT, people are our differentiator. As a Cybersecurity Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a high‑caliber individual joining our team as a member of the client’s Cross Domain Systems (CDS) Team, specializing in providing guidance and support to the client’s data transit assurance program.

HOW A CYBERSECURITY INFOSEC ENGINEER WILL MAKE AN IMPACT

• As a Cybersecurity Engineer you will consult with customers/clients regarding CDS cybersecurity policies/procedures/governance, requirements, and threats/vulnerabilities. Using your knowledge of CDS and National/customer directives and guidance, you will develop and consult on possible solutions to mitigate known risks and issues related to the CDS operational baseline.
• In addition, you will establish/enhance relationships with the client’s CDS customer base to build upon the knowledge of the team and to build/compile a comprehensive database of customer Cross Domain Solutions.
• The successful candidate will have proven experience communicating effectively with a variety of business partners and customers and have a demonstrated capacity to develop effective interpersonal relationships; strong analytic and organization skills; self-starter attitude; the ability to work effectively and independently, with little direction; and the ability to prioritize and handle multiple tasks simultaneously.

PRINCIPAL DUTIES AND RESPONSIBILITIES

• Daily support to service requests and attendance at CDS-related technical exchange meetings (TEMs).
• Lead efforts to conduct data collection for the creation/updating of the CDS inventory for the customer to meet compliance requirements.
• Consult with projects and system owners on technologies, threats, and vulnerabilities and provide response support as appropriate.
• Assist in the implementation of required government policies and procedures (i.e., NSPM-12, CNSS, and other policies/procedures), and in making recommendations on process tailoring.
• Support the file type review process and risk assessment reporting.
• May serve as a team or task lead.

WHAT YOU’LL NEED TO SUCCEED:

• Education: Technical Training, Certification(s) and/or Degree (Cyber Security, Computer Science, Information Technology, etc.) or equivalent experience in lieu of a degree.
• Experience: 15+ years of technical experience with cross-domain experience.
• Required Technical Skills:
• Demonstrated experience with systems engineering and architecture.
• Demonstrated ability to provide triage effectively and independently, and problem resolution for technical issues.
• Demonstrated experience in Governance, Risk, and Compliance management.
• Demonstrated record of sound judgment and problem-solving skills necessary to make recommendations to customer management.
• Working knowledge of information security policies/regulations, NSM-8 and supporting Operational/Emergency Directives, CNSS, and other information as required.
• Excellent written and oral communication skills and a self-starter.
• Experience with JIRA and Confluence.
• Desired Skills and Abilities:
• Knowledge of file type risks and vulnerabilities.
• Experience supporting the customer’s Risk Management Framework.
• Knowledge of the NIST 500-53 RMF and CNSS CDS overlay.
• ISSM experience is a plus.
• Security Clearance Level: TS/SCI with Polygraph
• Location: Herndon, VA
• US Citizenship Required

GDIT IS YOUR PLACE

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career.
• Professional growth opportunities including paid education and certifications.
• Cutting‑edge technology you can learn from
• Rest and recharge with paid vacation and holidays.

#OpportunityOwned
#GDITCareers
#WeAreGDIT
#JET
#VA_2026Alumni
#GDITEnhanced2026

The likely salary range for this position is $187,179 - $253,000. 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:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA Herndon

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.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans