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

GDIT

$164K — $212K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of experience in cybersecurity or information security roles.
  • Expertise in Information Assurance and Information System Security.
  • Proficient in conducting Risk Assessments.
  • US Citizenship is required for security clearance purposes.
  • Must possess or be able to obtain Top Secret/SCI clearance with a Polygraph.

Responsibilities

  • Lead and conduct Accreditation and Authorization (A&A) reviews.
  • Document security control implementations and gather necessary artifacts for Risk Management Framework.
  • Write Systems Security Plans (SSP) and other A&A related documents based on project architecture.
  • Collaborate with project teams to prepare various operational and security guides.
  • Manage and document implementation of Plans of Actions and Milestones (POA&Ms).
  • Coordinate with contractors and customers to achieve A&A milestones.
  • Support and enhance the security program through audit liaison and compliance activities.

Benefits

  • Comprehensive medical, dental, and vision plans.
  • 401(k) plan with company matching contributions.
  • Flex work week options to promote work/life balance.
  • Generous paid time off policy including vacation and holidays.
  • Short and long-term disability and life insurance coverage.
Full Job Description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

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:

Information Assurance, Information System Security, Risk Assessments

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

*Position is currently located in Elkridge, MD and will relocate to another site in the National Capital Region in Summer 2026*

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 SYSTEMS ENGINEER/INFORMATION SYSTEMS A SECURITY ENGINEER (ISSE) 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

The likely salary range for this position is $164,382 - $212,750. 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:

None

Telecommuting Options:

Onsite

Work Location:

USA DC Washington

Additional Work Locations:

USA MD Elkridge

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.

Similar Jobs

More Jobs at GDIT

More Information Technology Jobs

Find similar Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI with Polygraph jobs: