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MuleSoft Developer

OneZero Solutions


Job Location:

Herndon, VA - USA

Yearly Salary: USD 90000 - 110000
Posted: 1 October 2026 (3 days ago)
Application Deadline: 29 December 2026
Vacancies: 1 Vacancy

Job Summary

We are an employee-centric company that truly values our team members and the contributions they make to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and on building teams that are and continue to be technically proficient across a broad range of cyber mission areas. OneZero full-time employees receive a highly competitive benefits package including health dental vision and life insurance a 401(k) with company matching paid time off and holidays an employee referral program and educational assistance. Additional details are available on our website: Title: MuleSoft Developer

Location: Herndon VA (3 days a week on site)

Clearance: Secret

OneZero Solutions is seeking an experienced MuleSoft Developer to join our team of qualified diverse individuals. This position is in Herndon VA. The qualified applicant will become part of Peratons Department of State (DOS) Consular Systems Modernization (CSM) Program for the Bureau of Diplomatic Technology (DT). This initiative is intended to modernize and consolidate the operational environment under a common technology framework to better support the services provided to CAs customers.

Roles and Responsibilities:

  • Use your technical proficiency with MuleSoft to design and develop business functionalities using inbuilt CRM/CX technologies and functionalities.
  • Understand Business Requirements perform impact analysis and assess technical challenges/feasibility in achieving required business outcome.
  • Work with stakeholders to design develop document and implement solutions on the MuleSoft platformand API development standards.
  • Identify ongoing risks and pain points throughout the project develop and implement mitigation measures.
  • Work with system architects and support team members to address security and compliance (e.g. section 508 FISMA) requirements related to the setup of MuleSoft and Salesforce platform sandbox and development environments.

Basic Qualifications:

  • Bachelors degree in Computer Science Information Systems CIS BIT Engineering or related field and 5 (five) years experience.
  • At least 4 years direct experience in software development lifecycle.
  • At least 3 years of experience in development of enterprise-level MuleSoft projects throughout implementation lifecycles with demonstrable success.
  • 2-4 years of hands-on experience with MuleSoft Anypoint Platform.
  • At least 3 years of experience with API lifecycles in all stages.
  • Experience with designing development and implementing workflows.
  • Experience and understanding business requirements working with stakeholders and implementing complex integrations.
  • Hands-on experience with implementing certificate-based security for Mule applications.
  • Experience in Agile environments and methodologies.
  • Must have an Active Secret (or higher) clearance. Interim clearances are acceptable.
  • Certified MuleSoft Developer Level I or II.

Preferred Qualifications:

  • Experience developing/deploying applications written in open languages and integration with Salesforce platform.
  • Knowledge of or previous experience designing enterprise secure services using REST based APIs including SOAP based APIs.

OneZero Solutions LLC is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age pregnancy genetic information disability status as a protected veteran or any other protected category under applicable federal state and local laws.

To request an accommodation please contact us at or call .


Required Experience:

IC