Stefan Andrianu – Technical Writing Services

B2B Technical Writer

Words that
work in complex
systems.

9+ years turning technical complexity into clear, compliant, and actionable documentation — across biotech, financial services, aerospace, and enterprise IT.

9+ Years Experience
700+ Users Served
5+ Industries

Technical Writer

Stefan
Andrianu

ISO 27001  ·  GxP  ·  SOX NIS2  ·  GDPR  ·  ITIL Bucharest, Romania  ·  Remote
Technical Documentation SOPs & Work Instructions ISRM Compliance API Documentation Risk Assessment Knowledge Management GxP Documentation Security Awareness Technical Documentation SOPs & Work Instructions ISRM Compliance API Documentation Risk Assessment Knowledge Management GxP Documentation Security Awareness

What I deliver for your organisation

From policy documentation and risk assessments to API references and training content — precision writing aligned with your regulatory and operational requirements.

01

Technical Documentation

SOPs, work instructions, policies, and runbooks written to your style guide and document lifecycle standards (DDLC/SDLC). Compliant, consistent, and audit-ready.

02

ISRM & Compliance Writing

Information security documentation aligned with ISO 27001, NIS2, SOX, GxP, and GDPR frameworks. Third-party risk assessments and vendor questionnaire analysis.

03

API & Software Docs

Developer-facing documentation for APIs, integrations, and enterprise software platforms. Structured using DITA and single-sourcing principles for multi-format output.

04

Knowledge Management

Confluence space organisation, content taxonomy, and information architecture. Content libraries built for discoverability and long-term maintainability.

05

Training & Awareness

Course materials, onboarding guides, and security awareness campaigns. Managed phishing simulation programmes for organisations with 700+ staff.

06

Editorial & Strategy

Newsletters, stakeholder communications, and EA documentation strategy. Editing, reviewing, and elevating existing technical content to meet enterprise standards.

Industries & domains

Deep experience across regulated industries where documentation accuracy is not optional — it's critical.

Veeva Vault ServiceNow OneTrust GitHub JIRA Confluence oXygen XML MadCap Flare SharePoint DITA HTML/CSS SAP
Biotechnology & GxP
Current GxP GMP ISO 27001
Financial Services
Enterprise Architecture API Docs SOX
Enterprise Software (IBM)
ADDI Mainframe DITA
Telecommunications
Nokia SRAN 4G/5G Hardware
Aerospace (Airbus)
AMM AWM ASD STE
Information Security
Active GDPR NIS2 TPRA

How I work

A structured, collaborative approach that keeps documentation aligned with your organisation's goals and standards at every stage.

01

Discovery

Stakeholder interviews, SME sessions, and requirements analysis to fully understand the subject matter, audience, and compliance context.

02

Structure

Information architecture, outline planning, and document template design — before a single word of content is written.

03

Authoring

Precise, jargon-free writing aligned to your style guide, regulatory framework, and target audience's technical level.

04

Review & Delivery

Structured review cycles with stakeholders, revision tracking, approval workflows, and final delivery in your required format.

Compliance frameworks: ISO 27001 GxP / GMP SOX NIS2 GDPR ITIL ASD STE
SCA

Stefan Cosmin Andrianu

A Bucharest-based B2B Technical Writer and ISRM Representative with over 9 years of experience documenting complex systems across five industries.

Currently working at Galapagos NV, Stefan specialises in compliance-driven documentation, information security risk management, and knowledge architecture for global organisations. Holds a Master's degree in Air Transport Engineering and a Bachelor's in Systems Engineering.

Location Bucharest, Romania
Languages English (C2), Romanian
Education MSc Air Transport Eng.
Availability Freelance / Contract

Let's work together

Whether you need a single document reviewed or a documentation system built from scratch — get in touch and let's discuss your project.