Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI with Polygraph

General Dynamics Information Technology (GDIT)

Washington (District of Columbia)

On-site

USD 164,000 - 207,000

Full time

6 days ago
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Benefits offered by this job

401K with company match
Health and wellness packages
Internal mobility team
Paid education and certifications
Cutting-edge technology learning
Vacation and holidays

Job summary

General Dynamics Information Technology (GDIT) is seeking a Cybersecurity Systems Engineer/ISSE to lead Accreditation and Authorization activities for government systems on a customer site in Washington, DC. You will document RMF artifacts, write SSPs/CONOPS, and coordinate with agencies to support ATO milestones.

Required TS/SCI clearance with polygraph eligibility and DoD IASAE II certification, plus 10 years of technical experience.

Qualifications

  • Technical Training, Certification(s) or Degree + 10 years.
  • Security Clearance TS/SCI and ability to obtain and maintain a Polygraph.

Responsibilities

  • Lead Accreditation and Authorization (A&A) reviews by Group level ISSMs and Security Controls Assessors (SCA).
  • Document security control implementations and gather artifacts supporting RMF and ICD 503 Security Accreditation for A&A efforts.
  • Write SSPs/CONOPS and other A&A related documents from information gathered with system owners, PMs, and engineering teams.
  • Develop Plans of Actions and Milestones (POA&Ms) and provide artifacts to support mitigations.
  • Coordinate with contractor and customer personnel to obtain A&A content and work with customer security organizations to achieve ATO.
  • Monitor A&A projects and discuss status at all levels; support audit liaison and RMF compliance.

Education

DoD IASAE Level II certification

Job description

Job Description:

Transform technology into opportunity as a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) you will help ensure today is safe and tomorrow is smarter.

HOW A CYBERSECURITY ENGINEER/INFORMATION SYSTEMS SECURITY ENGINEER WILL MAKE AN IMPACT:
  • Lead Accreditation and Authorization (A&A) reviews by Group level ISSMs and Security Controls Assessors (SCA)
  • Documents the various security control implementations as well as gather the artifacts that support the Risk Management Framework (RMF) and ICD 503 Security Accreditation for the various Assessment and Authorization (A&A) efforts
  • Document and obtain a general understanding of the architecture being developed or that was developed for each project in order to write the Systems Security Plans (SSP) / CONOPS
  • Gather the information by working with various systems owners, project managers, and engineering team members in order to write various additional A&A related documents such as Contingency Plan (CP), General User Guide (GUG), Privileged User Guide (PUG), Standard Operating Procedures (SOP' s), etc.
  • Document the Plans of Actions and Milestones (POA&Ms) implementation responses or mitigations, as well as provide all required artifacts (i.e evidence gathering from the system owners, PMs, and engineering teams)
  • Coordinating with various contractor and customer personnel to obtain the A&A content, as well as working with various customer security organizations to navigate the customer's A&A process in order to achieve Authority to Develop (A TD), Interim Authority to Test (IA TT), and Authority to Operate (ATO) for each of the primary and secondary assigned systems
  • Monitor each of the various A&A projects within the customer's A&A process and be able to fluently discuss the status at all levels
  • Support audit liaison activities, and compliance oversight activities to strengthen the security program and promote compliance with the Risk Management Framework (RMF)
  • Perform technical content reviews and edits as part of the document updates as part of the Annual ISCM and OA Strategy Plan Update
  • Conduct a technical review and update of the control volatility section of the plan considering emerging threats, changes to the agency security posture, the latest IC guidance, agency policy, federal laws, standards, and guidance, et., and based on information profile (e.g., High Value Asset (HVA), TS (SCI), Secret, etc.)
  • Provide audit liaison support for internal and external audits and data calls for external reporting. Document and provide concise and actionable recommendations and process improvements reports
WHAT YOU’LL NEED TO SUCCEED:
  • Required Education and Experience: Technical Training, Certification(s) or Degree + 10 years
  • Certifications: DoD Manual 8570.01-M at the Information Assurance System Architects & Engineer (IASAE) Level II role
  • Security Clearance Level: TS/SCI clearance and ability to obtain and maintain a Polygraph
  • Location: On Customer Site
GDIT IS YOUR PLACE:
  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you build your skills and 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 10 company-paid holidays

OWN YOUR OPPORTUNITY Explore a career in cyber at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.

#VA_2026Alumni

#MD_2026Alumni

#GDITEnhanced2026

#GDITCareers

#JET

The likely salary range for this position is $164,382 - $207,000. 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.

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 https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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