Technical Writer

About the role

Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists with deep experience across commercial and defense technology, we are dedicated to improving the outdated and insecure technology used by America's service members.

Responsibilities

• Leading the development of high-quality technical documentation for complex software systems and space-ground architectures

• Creating and maintaining system documentation, user guides, API documentation, and operational procedures

• Translating technical requirements, architecture, and workflows into clear, concise written materials

• Establishing and enforcing documentation standards, processes, and style guidelines across programs

• Ensuring documentation aligns with government requirements, compliance frameworks, and contract deliverables

• Reviewing and editing technical content for clarity, accuracy, and consistency

• Partnering with engineers and program teams to gather and validate technical information

• Driving documentation best practices across engineering and program contributors

Requirements

• 5-10 years of experience in technical writing, ideally supporting software systems or highly technical programs

• Experience documenting software systems, APIs, or distributed architectures

• Understanding how to align documentation with government or regulated program requirements (e.g., compliance, deliverables, audits)

• Skills in translating complex technical concepts into clear, structured documentation for varied audiences

• Experience using version control and documentation management tools, and maintaining documentation throughout the software development lifecycle

• Highly detail-oriented with strong editing and proofreading skills

• Ability to manage multiple documentation efforts and priorities in a fast-paced environment

• Comfortable working cross-functionally and asking the right questions to get clarity

• The ability to obtain and maintain a U.S. TS/SCI security clearance

Qualifications

• U.S. citizen or national, U.S. lawful, permanent resident (green card holder), refugee under 8 U.S.C. 1157, or asylee under 8 U.S.C.1158, or eligible to obtain the required authorizations from the U.S. Department of State

Skills

• Technical Writing

• Software Systems Documentation

• Compliance and Regulatory Requirements

• Version Control and Documentation Management

• Collaboration and Cross-Functional Work

Benefits

• Competitive salary between $106K-$175K (DOE)

• Meaningful equity ownership

• Profit sharing

• Employer 401(k) contribution

• 100% employer-covered medical, dental, and vision insurance for you and your dependents

Pay

The base salary for this role is between $106K-$175K (DOE).

Schedule

This role is remote with approximately 25% travel required to support activities in secure facilities in alignment with program requirements.

Benefits

• Compensation includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.

Company Culture

Sphinx Defense is committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, and gender identity.

Clearance Eligibility

This position requires eligibility to obtain and maintain a U.S. security clearance. For more information about U.S. Security Clearances: click here. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. 1157, or (iv) Asylee under 8 U.S.C.1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.