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 Senior 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

Support the development and maintain compliance artifacts: System Security Plans, Security Assessment Reports, and Plan of Action & Milestones
Support alignment with NIST SP 800-53 / RMF (800-37), FedRAMP Moderate/High baselines, and ICD 503
Support ATO lifecycle documentation and audit readiness
Support and ensure the production of 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 in collaboration with respective Team SME's
Align documentation with ITIL processes in coordination with Team SME's
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
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
Support the preparation and manage documentation for FedRAMP audits and 3PAO assessments and Internal compliance reviews
Ensure and support 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
5+ years relevant experience OR Masters and 3+ years of relevant experience OR PhD and 3+ years relevant experience of technical writing experience in IT or cybersecurity environments
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

Familiarity with FedRAMP, NIST RMF, ICD 503
Familiarity with DevSecOps environments
Knowledge of structured authoring frameworks (DITA)

Salary Range: $150,000 - $175,000

The pay range reflected above is a general guideline for this position and labor category and is not a guarantee of a specific salary or offer. Final compensation is determined based on factors including, but not limited to, relevant experience, education, certifications, security clearance level, contract requirements, geographic location, and internal pay equity, and may reflect market data specific to the awarded contract.

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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