Marnie Hennessy
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Marnie Hennessy Email & Phone Number

Documentation Specialist and Technical Writer at Dexian
Location: Fairfax, Virginia, United States 10 work roles 2 schools
1 work email found @fcps.edu LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

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Current company
Role
Documentation Specialist and Technical Writer
Location
Fairfax, Virginia, United States
Company size

Who is Marnie Hennessy? Overview

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Quick answer

Marnie Hennessy is listed as Documentation Specialist and Technical Writer at Dexian, a company with 4427 employees, based in Fairfax, Virginia, United States. AeroLeads shows a work email signal at fcps.edu and a matched LinkedIn profile for Marnie Hennessy.

Marnie Hennessy previously worked as Senior Technical Writer at Metaphase Consulting and KM Training Specialist & Technical Writer at Jameson Cole Consulting, Llc. Marnie Hennessy holds Bachelor'S Degree, English Language And Literature, General, 4.0 from California State University, Chico.

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Email format at Dexian

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{first_initial}{last}@fcps.edu
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Profile bio

About Marnie Hennessy

A highly motivated Technical Writer, Trainer, and Educator with 15+ years’ experience in government, corporate, and educational settings. Excellent writing and proofreading skills to draft, review, and publish succinct technical documentation with a consistent voice that requires accuracy and a strong attention to detail. Extensive experience as a team player collaborating in an Agile environment, working with subject matter experts and leadership to create clear and meaningful documentation.

Current workplace

Marnie Hennessy's current company

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Dexian
Dexian
Documentation Specialist and Technical Writer
Fairfax, VA, US
Website
Employees
4427
AeroLeads page
10 roles · 30 years

Marnie Hennessy work experience

A career timeline built from the work history available for this profile.

Documentation Specialist And Technical Writer

Fairfax, VA, US

Senior Technical Writer

Current

Reston, Virginia

  • Co-authored 5 deliverables for a Financial Study documenting the budgeting lifecycle from initial customer request to funding execution
  • Conducted interviews with key stakeholders to identify funding processes and examine best practices and potential limitations
  • Identified client training materials, researched compliance with required agency training, documented communication pain points, and provided unbiased analysis and recommendations as applicable
  • Gathered and documented over 30 hours of subject matter expert (SME) testimony to ensure the information obtained from the technical specialists was clear, concise, and accurate
  • Created the financial study template to provide a repository for 14 deliverables ensuring standardized font type and size, header and footer formatting, APA Style Guide references, and specialized spelling and.
  • Evaluated contrasting statements gathered from multiple government offices related to the Financial Study analyzing gaps in communication or processes needing standardization
Apr 2024 - Present

Km Training Specialist & Technical Writer

* Public Trust security clearance* Contributed to a Jira Scrum board by identifying, prioritizing, and completing issues, while also assessing tasks needing to be added to the backlog for future sprints* Updated and expanded the Knowledge Management Style Guide used to standardize the client’s conventions for punctuation, capitalization, and grammar*.

Feb 2024 - Apr 2024

Technical Writer & Editor

Virginia, United States

* Edited and revised How-to Guides, updating content to adhere to KM and government Plain Language Guidelines* Successfully completed a Confluence “site crawl” on How-to Guides improving Page Tree navigation, and ensuring content compliance with Section 508 accessibility requirements* Collaborated with Subject Matter Experts (SMEs) to gather information.

Nov 2023 - Apr 2024

Freelance Content Writer & Editor

South Riding 20152

  • Advanced knowledge of effective technical writing, UX writing, fact-checking, copywriting or content writing using Microsoft Office Suite and Google Suite tools for drafting, formatting, proofreading, and publishing.
  • Created a Standard Operating Procedure (SOP) document that outlined step by step instructions for aquatic instructors to evaluate student placement, referencing purpose, scope, checklists, and flowcharts
  • Reviewed, formatted, edited, and updated employee user’s manual for 49 instructors, specifically the 46-page LetSwim, Inc. Lesson Curriculum Instructor’s Guide collaborating with 2 project managers to ensure all.
  • Developed new and edited copy for existing quick reference guides by updating graphics and writing clear, concise instructional text for instructors needing a more visual aid
  • Created and edited both electronic and paper/pencil marketing flyers using Canva and Photoshop to increase brand recognition and simplify the user-centered experience
  • Spearheaded a project with 2 subject matter experts who requested quality assurance testing of the company website to improve user experience (UX) by ensuring all user interface (UI) language followed Letswim, Inc.’s.
Jun 2023 - Nov 2023

Literary Team Leader & Educator

Fairfax County, Virginia, United States

  • Awarded certificate of recognition by school-based leadership as an exemplar of Collaborative Team Leadership for being 1 of 3 groups out of 130 to lead a curriculum team through the Development Lifecycle of a new.
  • Mentored new staff professionals and modeled best practices managing multiple projects under tight deadlines across a variety of product categories and audiences with limited guidance and direction
  • Developed extensive technical documentation instructions on how to write effectively by utilizing templates, and establishing the editorial standards of submissions, (e.g., order, conciseness, style, and terminology)
  • Collaborated with the FCPS Language Arts Senior Leadership on researching, writing, editing, and reviewing a proposal for an academic map of new concept-based curriculum, overseeing the Development Lifecycle from.
  • Demonstrated success in creating highly engaging, interactive training videos with embedded multiple-choice questions, voiceovers and audio that define and drive user-centered experiences using Snagit, PowerPoint, and.
  • Developed and executed county-wide comprehensive training and change management plan for 400 educators, providing procedural videos, screenshots, and organized links to expert knowledge, techniques, and solutions
2018 - Nov 2023

High School & Middle School Language Arts Teacher

Fairfax County, Virginia, United States

  • Performs ongoing data analysis from E-learning assessments to determine effectiveness of training, progression of skills, and the need to reevaluate trainings to maximize improvements and outcomes resulting in the.
  • Improves overall student literacy with a 92% pass rate measured by the Virginia state Standards of Learning (SOL) test
  • Researched, wrote, formatted, proofread, and edited all content for two non-fiction book units (Endurance: Shackleton’s Incredible Adventure by Alfred Lansing, 1959 and The Finest Hours by Casey Sherman, Michael J..
  • Translated and re-formatted Washington Irving’s “Legend of Sleepy Hollow,” The Sketch Book of Geoffrey Crayon, Gent., 1820, transforming old world English into more easily understandable language using advanced.
  • Led 5 live online classrooms daily for 30 individuals per class within the LMS by planning curriculum, and maintaining original instructional materials to facilitate a virtual instructor-led (VILT), and in-person.
  • Provides a positive environment focused on excellent written and verbal communication skills
2003 - Nov 2023

Reading Teacher

Franklin-Simpson Middle School; Franklin, Ky

Franklin, Kentucky, United States

  • Provided a positive, differentiated, and productive environment for advanced academic, general education, special education, honors, and English as a second language learners
  • Modeled strategies for writing and editing essays using proper grammar, capitalization, and punctuation
  • Created curriculum focused on improving reading comprehension
  • Provided additional reading support based on student need
  • Implemented reading units focused on critical and creative thinking skills
2002 - 2003 ~1 yr

E-Business Writer

Allen, Texas, United States

  • Wrote the monthly E-Business Information Capital Newsletter, Sixty Seconds, for Booz Allen & Hamilton’s use
  • Abstracted and copyedited internal practice group’s E-Business related articles and PowerPoints for the e-newsletter
  • Formatted information related to new business contracts and contributed them to the e-newsletter
2000 - 2001 ~1 yr

Technical Writer, Trainer & Kol2.0 Administrator

Mclean, Virginia, United States

  • Spearheaded national & international professional development trainings for firm-wide Intranet rollout at Booz Allen & Hamilton offices for various in-house practice groups
  • Wrote and edited end user documentation for Knowledge On-Line (KOL), Booz Allen & Hamilton’s intranet, a knowledge repository intended to promote and share knowledge sources and results from project groups
  • Designed on-line help pages for KOLaborate, the threaded discussion board feature in KOL
  • Provided training of KOLaborate for project and practice groups nationally and internationally
  • Created graphics and some HTML pages for KOLaborate using Photoshop and various HTML editors
  • Performed system and user acceptance testing for code developers
1996 - 1999 ~3 yrs
2 education records

Marnie Hennessy education

Bachelor'S Degree, History, 4.0

Activities and Societies: Phi Kappa Phi Inducted into Phi Kappa Phi, the nationwide all-discipline honor society. Membership is by.

FAQ

Frequently asked questions about Marnie Hennessy

Quick answers generated from the profile data available on this page.

What company does Marnie Hennessy work for?

Marnie Hennessy works for Dexian.

What is Marnie Hennessy's role at Dexian?

Marnie Hennessy is listed as Documentation Specialist and Technical Writer at Dexian.

What is Marnie Hennessy's email address?

AeroLeads has found 1 work email signal at @fcps.edu for Marnie Hennessy at Dexian.

Where is Marnie Hennessy based?

Marnie Hennessy is based in Fairfax, Virginia, United States while working with Dexian.

What companies has Marnie Hennessy worked for?

Marnie Hennessy has worked for Dexian, Metaphase Consulting, Jameson Cole Consulting, Llc, Letswim Inc., and Fairfax County Public Schools.

How can I contact Marnie Hennessy?

You can use AeroLeads to view verified contact signals for Marnie Hennessy at Dexian, including work email, phone, and LinkedIn data when available.

What schools did Marnie Hennessy attend?

Marnie Hennessy holds Bachelor'S Degree, English Language And Literature, General, 4.0 from California State University, Chico.

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