Lead Engineer - Legacy Software Baseline

VivSoft Technologies
San Antonio, TX
About VivSoft:
VivSoft is a mission-driven technology company specializing in Cloud, DevSecOps, Artificial Intelligence, and Digital Experience. We are a diverse team of innovators focused on creating open, scalable, and automated solutions that drive digital transformation in the federal space. Our work culture fosters collaboration, creativity, and continuous learning.

Job Summary:
We are seeking a highly experienced Lead Engineer to support the sustainment, enhancement, and transition of legacy software systems within a Department of Defense (DoD) customer program. This role involves maintaining operational readiness of existing systems, implementing updates, and supporting integration and transition efforts in a mission-critical environment.

Key Responsibilities:
  • Develop and sustain legacy software systems, including models, interfaces, and operational components.
  • Ensure continued operational support for all training, simulation, and stimulation artifacts.
  • Implement and manage software updates, including change requests (CRs), defect reports (DRs), GitLab ticket resolutions, user-driven priorities, urgent exercise-related fixes, operating system updates, and fielding modifications.
  • Design and architect legacy system fielding and integration support, including ASCCE and Federation components.
  • Provide engineering support for transitioning legacy system attributes marked for modernization or migration.
  • Collaborate with Government Program Managers and Contractor teams to ensure technical alignment and mission success.
  • Apply experience with cloud-based services (e.g., AWS, Microsoft Azure) and RESTful architectures to legacy environments.
  • Support simulation training and military mission planning efforts, particularly in coordination with Air Operations Centers (AOCs).
Required Qualifications:
  • Proven experience in developing and sustaining legacy systems within DoD environments.
  • At least 2 years of experience in military mission planning, operations, and wargaming.
  • At least 2 years of experience in simulation training, including work with Air Operations Centers (AOCs).
  • Experience with cloud platforms such as Amazon Web Services (AWS) or Microsoft Azure, and familiarity with RESTful architectures.
  • Strong understanding of legacy system integration, sustainment, and transition engineering.
  • Ability to manage and prioritize software maintenance tasks in a dynamic operational environment.
Benefits:
  • Comprehensive Medical, Dental, and Visions Plans (Healthcare benefits are 100% employer-paid for employees only)
  • Life Insurance
  • Paid Time Off (Flexible/Combined PTO, Bereavement Leave, 11 Company Paid Holidays)
  • 401K Retirement Plan with employer match
  • Professional Development Training Reimbursement
  • Flexible/remote work schedule.

Posted 2025-09-02

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