About this opportunity
Modern Technology Solutions Inc lists this Software Architect opportunity in el segundo, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
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 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.
Key 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.
Location: On‑site
Travel Requirements: Minimal
Working Hours: Standard
Required Qualifications
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).
Preferred Skills and Experience
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.
Compensation
The pay range for this position in California is $127,000/year to $159,000/year and for Colorado is $116,000/year to $145,000/year; however, base pay offered may vary depending on established government contract ranges, job‑related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applicants should apply via MTSI’s internal or external careers site.
Equal Employment Opportunity
MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.
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Worksite address
el segundo, CA, 90245, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.