Cross Domain Solution (CDS) Engineer, Government Clearance Required

Clearance Level
Interim Secret
Cyber Engineering
Sterling, Virginia

REQ#: RQ108752

Travel Required: Less than 10%
Requisition Type: Regular

We are GDIT. We support and secure some of the most complex government, defense, and intelligence projects across the country. At GDIT, cyber security is not just a singular part of our mission—it connects every one of us because it’s embedded into every aspect of what we do.

GDIT is your place. You make it your own by bringing your ideas and unique perspective to our culture. By owning your opportunity at GDIT, you are helping us ensure today is safe and tomorrow is smarter. Our work depends on a CSfC Advocate Manager joining our team to support Department of State activities at Sterling, VA.

At GDIT, people are our differentiator. As a CDS Engineer supporting Department of State (DoS) Commercial Solutions for Classified (CSfC) deployment, you will be trusted to server the principal responsible for successful deployment, sustainment, use case development, and prepare systems engineering artifacts for DoS Cross Domain Solution (CDS) for CSfC services.  Reporting to the Cybersecurity Operations Lead, you will be responsible for strengthening the defensive posture and cyber defense operational readiness of a CSfC deployment and collaborating with DoS cybersecurity operations to assure the program defends and protects Government assets from external Cybersecurity attacks and Insider Threats that can potentially cause or create data, systems, networks, and personnel vulnerabilities.


  • Principal responsible for successful deployment and sustainment of Cross Domain Solution (CDS)
  • System Engineer primary duties will be to design, update, and manage a Cross Domain Solution (CDS) to support multiple Commercial Solutions for Classified (CSfC) connections and classification to support mission efforts and goals
  • Provide use case development support to junior systems engineering team members to enhance use case skills in the department.
  • Successful candidate will perform use case development and prepare systems engineering artifacts
  • Support the development and review of interface documents, system requirements, architectural documentation, system engineering estimates, and author and perform formal and informal engineering reviews.
  • Demonstrate flexibility to support various tasking on short notice.
  • Provide system/equipment/specialized training and technical guidance.
  • Provide guidance and work leadership to less-experienced staff.
  • Communicate effectively with customers and teammates clearly and concisely.
  • Maintain current knowledge of relevant CSfC technology and willingness to contribute to other software deployment and management.
  • Self-starter utilizing Linux and scripting expertise to support and field critical customer driven requirements, enabling secure data transfer
  • Utilize interpersonal skills to engage directly with the customer to provide advanced design, analysis and implementation of our software
  • Demonstrate competency working hands-on in Linux based environments, troubleshooting on-site technical issues, using and configuring the Forcepoint CDS solutions to deliver critical customer driver requirements
  • Leverage standard networking concepts to support the design and implementation of the CDS systems to include failover, COOP, and load balancing as well as interoperability with other components within the enterprise.
  • Work with the Assessment and Authorization (A&A) team to ensure the CDS maintains the Authority to Operate (ATO) and meets all FISMA obligations.


  • Degree in a Computer Science, Engineering or Information Technology related field is desired but not required. Bachelor's degree in Information Technology/Systems or experience.
  • 5 years of experience in information technology
  • 1+ years of ForcePoint design and administration
  • Demonstrate proven experience (with tangible outcomes and results), a can-do attitude, an ability to influence internal and external customers, and a leadership and communication style required to foster agreement and productive outcomes
  • Embrace and embody GDIT’s of Commitment, Impact, Integrity, Imagination, and Agility
  • Active Interim Secret Security clearance with ability to obtain TS/SCI
  • Strong experience in Linux and scripting
  • Interest or experience in cyber security to include practices/methodologies, associated technologies, application design and development and/or experience in an operational environment
  • Working knowledge of networking concepts (e.g. TCP/IP, firewalls, routers, etc.)
  • Working knowledge of programming logic and methodologies (e.g., regular expressions)
  • Experience with security design and architecture of Cross Domain solutions (CDS)
  • Knowledge of Virtual Desktop Infrastructure (VDI)
  • Working knowledge of virtualized, networked environments, specifically VMWare and HyperV based systems
  • Experience with security COTS product integration (e.g., firewall, web gateways, Data Loss Prevention)
  • Experience in collaborating with multiple technical teams to drive solutions that requirement driven including technical subject matter experts, including hardware and software designers, operations personnel, and test engineers and communicate potential security risks and mitigations
  • Experience using Microsoft Office including MS Visio, MS Word, MS Excel and other appropriate tools.
  • Strong English communication skills with ability to lead working groups, communicating clearly and succinctly in written and oral presentations
    • Ability to clearly present technical approaches and findings
    • Able to write and implement engineering plans within a project
  • Must also be able to obtain and maintain a TS/SCI Security Clearance
  • Must have the ability to be flexible to support various tasking on short notice
  • Possess an understanding of systems engineering process and principles
  • Proven track record of successfully applying system engineering principles to develop product solutions
  • Experience developing system engineering artifacts (e.g. specifications, Interface Control Documents, Use Cases, System Architecture Descriptions, Trade Studies, etc.)
  • Experience working in an integrated team environment with other systems, software and specialty engineers to develop solutions
  • Candidate needs to have extensive knowledge in the System Engineering process and advanced knowledge of ports, protocols and interfaces

Desired Skills:

  • Security Clearance of TS/SCI.
  • Formal training in ForcePoint
  • DODI 8570.1-M Compliance at IAT Level II or III; SANS GSEC, CISSP preferred
  • Technical knowledge of any of; Cisco ICE/UCS, ForcePoint (High Speed Guard), Splunk, InfoBlox, MetricStream, Radiant Logic, Tenable Security Center, Sciencelogic, SonarSource, Appscan HCL
  • Prepare documentation to support Assessment and Authorization (A&A) activities
  • Apply knowledge of current Information Assurance (IA) policies as a contributor to the architecture and design of secure solutions to customer needs and requirements
  • Department of State employee or contractor experience





About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.