Software Architect

Modern Technology Solutions Inc•El Segundo, CA

10h•$116,000 - $159,000•Onsite

About The Position

Modern Technology Solutions, Inc. (MTSI) is seeking a Software Architect to join our team in El Segundo, CA or Colorado Springs, CO. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Space Force’s Space Systems Center (SSC). We support the Space Force’s acquisition of state-of-the-art satellite communications systems, providing global secure, survivable, and protected communications for our nation’s warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

Requirements

Ability to obtain and maintain a Secret clearance
Bachelor’s degree in engineering, computer science, mathematics, or equivalent field
5 years of applicable experience
Demonstrated experience designing and delivering large‑scale, production‑ready systems
Strong cloud and Kubernetes expertise, including ecosystem tooling and Infrastructure‑as‑Code (Terraform, Ansible, or similar)
Familiarity with GitOps, secure system design, supply‑chain security, and air‑gapped environments
Strong understanding of DevSecOps principles
Experience with messaging or event‑streaming platforms (e.g., Kafka).
Broad technical capability, able to reason across the stack and make sound architectural trade‑offs
Experience with Go, TypeScript, or Java; proficiency with Git workflows, code review, and CI/CD
Experience with AI‑assisted and agentic development tools, including safe integration practices
Effective technical communicator able to document and justify architectural decisions
Proficient in Microsoft Office products (Word, Excel, Powerpoint)

Nice To Haves

Active Secret (or higher) clearance
Experience supporting government or Department of War (DoW) systems
Experience with MILSATCOM, such as AEHF, EPS, WGS, Protected Tactical SATCOM and COMSATCOM
Experience with maintaining software requirements alongside systems engineers, and establishing requirements traceability to capabilities
Experience integrating DevSecOps principles into software architecture
Certifications such as INCOSE CSEP/ESEP

Responsibilities

Design and implement high‑quality software while maintaining architectural integrity across the stack.
Lead architectural decision‑making, setting technical direction and balancing key trade‑offs.
Own solutions end‑to‑end, from design through deployment and long‑term stewardship.
Work autonomously, showing initiative and strong problem‑solving capability.
Collaborate closely within a small, high‑impact team and contribute to shared delivery.
Operate effectively in a fast‑moving environment with evolving requirements.
Shape foundational architecture and establish best practices for long‑term success.
Adopt and explore emerging AI‑assisted development tools to enhance delivery and quality.