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Technical Writer

McLean, VA

Join our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first! We are committed to recruiting, nurturing, and retaining top talent! We offer a competitive total compensation package that sets us apart from our competition. Core One is a team-oriented, dynamic, and growing company that values exceptional performance!

Clearance Required: Active TS/SCI with Polygraph

Summary

We are seeking a Technical Writer to develop, manage, and govern high-quality technical documentation across a complex, enterprise technology ecosystem. This role supports front-end, back-end, database, and security teams, ensuring all deliverables meet federal compliance (FedRAMP / RMF), audit readiness, and operational excellence standards.

The ideal candidate brings expertise in technical documentation, structured authoring, compliance artifacts (SSP, POA&M), and engineering documentation frameworks, with the ability to translate complex technical concepts into clear, actionable content for diverse stakeholders.

Key Responsibilities

  • Develop and maintain compliance artifacts: System Security Plans, Security Assessment Reports, and Plan of Action & Milestones
  • Ensure alignment with NIST SP 800-53 / RMF (800-37), FedRAMP Moderate/High baselines, and ICD 503
  • Support ATO lifecycle documentation and audit readiness
  • Produce high-quality developer-facing materials: API references, Integration guides, and SDK documentation
  • Collaborate with Back-End Developers to ensure accurate and up-to-date API contracts
  • Document Data dictionaries and metadata, Database schemas and relationships, and Data governance policies
  • Work with Database Engineers to ensure data lineage, classification, and handling requirements are clearly documented
  • Develop and maintain Standard Operating Procedures, change Enablement documentation and incident response runbooks
  • Align documentation with ITIL processes
  • Establish and enforce documentation standards and templates, version control and document lifecycle management and implement structured authoring and reuse strategies
  • Serve as the central documentation liaison across Engineering teams, Security and compliance teams and Product and program leadership
  • Participate in Agile/SAFe ceremonies to capture evolving requirements
  • Utilize documentation tools and platforms: Confluence, SharePoint, Git-based documentation (Markdown) and API tools (Swagger/OpenAPI)
  • Support automation of documentation workflows within CI/CD pipelines
  • Prepare and manage documentation for FedRAMP audits and 3PAO assessments and Internal compliance reviews
  • Ensure documentations are complete, accurate, and traceable and aligned with system configurations and controls
  • Mentor junior writers or contributors, promote a culture of documentation as a critical engineering discipline
  • Continuously improve documentation quality and usability

Qualifications 

  • Active TS/SCI with Polygraph
  • Bachelor's degree or higher in Technical Writing, English, IT or related field and 8+ years of technical writing experience in IT or cybersecurity environments
  • OR Masters and 6+ years of relevant experience OR PhD and 3+ years relevant experience 
  • Proven ability to document Complex systems and architectures and APIs and data models
  • Strong understanding of Software development lifecycle (SDLC) and Agile methodologies
  • Tools & Technologies: Confluence, SharePoint, Markdown, DITA, Swagger / OpenAPI, Git, Visio, Lucidchart, Jira, Azure DevOps

Desired Qualifications

  • Experience with FedRAMP, NIST RMF, ICD 503
  • Familiarity with DevSecOps environments
  • Experience documenting cloud-native architectures
  • Knowledge of structured authoring frameworks (DITA)
  • Experience with diagramming tools (Visio, Lucidchart)

Core One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

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