Haystack
← Back to Jobs
Employee
Technology
SO

Software Developer (Expert) with Security Clearance

SOSiChantilly, VA🇺🇸United StatesPosted Sep 30, 2026

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Chantilly, VA, United States
Posted
2 days ago

Job Description

Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide. Job Description *Position is contingent upon contract award* SOSi is seeking a Software Developer to support our government customer in Chantilly, VA. Essential Job Duties

  • Serves as a key technical resource providing expert-level guidance on software architecture, performance optimization, and advanced engineering techniques.
  • Lead technical strategy across development teams.
  • Establish coding standards and best practices.
  • Drive innovation in development toolchains, frameworks, and methodologies. Qualifications
  • Active in scope TS/SCI w/ Poly.
  • Minimum 15+ years of relevant experience.
  • Expertise in enterprise system design and implementation.
  • Experience in integrating complex systems across multiple environments including the Sponsor's commercial cloud environments. Additional Information Work Environment
  • Normal office conditions.
Working at SOSi All interested individuals will receive consideration and will not be discriminated against for any reason.

Similar jobs